Mount for fluidically connecting a receiver to a refrigerant circuit and assembly comprising the mount, check valve elements and an expansion valve insert

Abstract

The present invention relates to a mount (1) for fluidically connecting a receiver (100) to a refrigerant circuit (R). The mount (1) comprises a first channel (2), a second channel (15), a third channel (14), a fourth channel (12) and a fifth channel (13). The first channel (2), the fourth channel (12) and the fifth channel (13) are configured to be receive respective check valve elements (101, 102, 103, 104). Further, the second channel (15) is configured to receive an expansion valve insert (107). When being equipped with respective valve elements and used as an assembly according to the invention, respective fluid channels (2, 12, 13, 14, 15) of the mount (1) are configured to be opened or closed depending on the direction of fluid flow, thereby allowing fluid to pass from a first port (3) to a second port (4), for example via the receiver (100), or vice versa. In particular to save manufacturing time and to reduce the number of brazings, the mount (1) is formed in one piece.

Description

[0001]

[0002] Mount for fl uidically connecting a receiver to a refrigerant circuit and assembly comprising the mount, check valve elements and an expansion valve insert

[0003] The present invention relates to a mount for fluidically connecting a receiver, for example comprising a filter dryer, to a refrigerant circuit. Further, the present invention relates to an assembly comprising the mount, check valve elements and an expansion valve insert.

[0004] Numerous refrigerant circuits for heating and cooling of residential area via temperature control of water are known in the art. These refrigerant circuits typically comprise several components such as an evaporator, a compressor, a condenser, valve elements, a receiver, a filter dryer, a control unit and the like.

[0005] A variety of connecting means are known to connect the individual components of the refrigerant circuit to one another. In this regard, it is known to improve compactness of refrigerant circuits, in particular arrangement of valve elements required in such a refrigerant circuit, by means of appropriate arrangements of the individual components. As refrigerant circuits are mass produced and prices have to be competitive, optimization in manufacturing as well as savings in the required space of the components and savings in material required for manufacturing are crucial factors in order to provide competitive products.

[0006] Other important factors may involve the time needed for assembly of refrigerant circuits, which may partially be carried out on site. Here, the number of components that have to be assembled significantly increase installation times of refrigerant circuits. The same applies in the case of repairs and maintenance, where more individual components also require more time for disassembly and reassembly. Furthermore, a larger number of individual components makes it more

[0007] August 20, 2025 D 200 P 2642 WO difficult to ensure adequate sealing, which is why a reduction in the number of individual components and sealing surfaces is also an important factor.

[0008] Hence, although there are numerous refrigerant circuits and individual components on the market, there is still need for improvement.

[0009] Therefore, it is an object of the present invention to provide a mount that takes into account and improves the aforementioned factors which are essential for refrigerant circuits. In this respect, it is more particularly an object of the present invention to provide a mount which is configured to allow to reduce the number of individual components of refrigerant circuits, thereby both saving manufacturing time and reducing the number of brazings between individual components, and which is configured to allow to reduce the size of said refrigerant circuits.

[0010] The object of the present invention is solved by a mount according to claim 1 as well as an assembly according to claim 12 comprising said mount, check valve elements and an expansion valve insert.

[0011] The mount according to the invention is configured for fluidically connecting a receiver, for example a receiver comprising a filter dryer, to a refrigerant circuit. In other words, the mount may be integrated into a refrigerant circuit thereby providing means for incorporation of a receiver in the refrigerant circuit. In one aspect, the receiver which may be coupled to the mount may comprise a filter dryer. The receiver may thus be configured to retain moisture in the receiver. Further, the receiver may be configured to operate as a strainer, for example to collect particles and chips or shavings, which may accumulate in the refrigerant circuit when being used.

[0012] The refrigerant circuit itself may comprise several individual components such as an evaporator, a compressor, a condenser, valve elements, a receiver, a filter

[0013] August 20, 2025 D 200 P 2642 WO dryer, a control unit and the like. Depending on the direction of fluid flow inside the refrigerant circuit, the mount may for example be configured to be connected to a condenser, for example an outlet tube of the condenser, and an evaporator, for example an inlet tube of the evaporator.

[0014] In this regard, the mount comprises a first channel, i.e. a first fluid channel. The first channel comprises a first port and a second port. The first port may for example be connected to the aforementioned outlet tube of the condenser, wherein the second port may be connected to the aforementioned inlet tube of the evaporator. The first port is formed along a first port axis, which may be a first longitudinal central axis running through the first port. The second port is formed along a second port axis, which may be a second longitudinal central axis running through the second port.

[0015] The first port is configured to supply fluid from a refrigerant circuit to the first channel of the mount, for example from a heat exchanger which may be a condenser for example a micro plate heat exchanger (MPHE). The second port is configured to discharge fluid from the first channel of the mount to the refrigerant circuit, for example to a heat exchanger which may be an evaporator. However, and as will be described further below, depending on the direction of flow of fluid, the second port may also be used to supply fluid from the refrigerant circuit to the first channel of the mount, wherein the first port may also be used to discharge fluid from the first channel of the mount to the refrigerant circuit.

[0016] Further, the first channel of the mount comprises a first valve seat configured to receive a first check valve element. In other words, the first valve seat of the first channel may be configured to interact with a first check valve element which may be installed inside the first channel of the mount. Furthermore, the first channel of the mount comprises a second valve seat configured to receive a second check valve element. In other words, the second valve seat of the first channel may be

[0017] August 20, 2025 D 200 P 2642 WO configured to interact with a second check valve element which may be installed inside the first channel of the mount.

[0018] The first valve seat and the second valve seat are arranged inside the first channel in opposite orientation with respect to a fluid flow. In this regard, the first valve seat may be oriented so that when a first check valve element is used therewith, a fluid flow being supplied via the first port may act on the first check valve element in a valve closing direction. In other words, if the fluid entering the first port may be sufficiently high in pressure, the first check valve element may close the first check valve thereby blocking a direct flow past the first check valve element, i.e. a flow only flowing through the first channel. Since the second valve seat is arranged in opposite orientation to the first valve seat, a second check valve element which may be used with the second valve seat may close when the fluid entering the second port may be sufficiently high in pressure.

[0019] In addition, the first valve seat and the second valve seat are separated by an intersecting section located therebetween, i.e. between the first valve seat and the second valve seat which are both arranged in the first channel. In other words, the intersecting section may thus be a section of the first channel which may be arranged between the first valve seat and the second valve seat. When the first check valve element may be closed, fluid flow past the first check valve element only flowing through the first channel from the first port into the intersecting section may be prevented. When the second check valve element may be closed, fluid flow past the second check valve element only flowing through the first channel from the second port into the intersecting section may be prevented.

[0020] Furthermore, the mount comprises a second channel, i.e. a second fluid channel, arranged along a second axis which may be a second longitudinal central axis running through the second channel. Further, the second channel is configured to connect the intersecting section to a third port. In other words, the second channel

[0021] August 20, 2025 D 200 P 2642 WO may be connected to the first channel in an area where the intersecting section of the first channel is located in order to connect said intersection section to a further port, namely the third port. In this regard, the third port is configured to receive an expansion valve insert. In one aspect, the expansion valve insert may comprise an expansion valve element and an expansion valve sleeve providing an expansion valve seat. In this regard, the expansion valve insert may be part of an expansion valve which may further comprise an actuator as well as an electrical connection. Thus, although the third port may not yet be coupled to an expansion valve comprising the expansion valve insert and for example an actuator, the expansion valve may for example be connected to the third port when the mount is being used in a refrigerant circuit.

[0022] In addition, the mount comprises a third channel, i.e. a third fluid channel, arranged along a third axis which may for example be a third longitudinal central axis with respect to the third channel. Further, the third channel may be configured to connect the second channel to a fourth port of the mount. In other words, the third channel may be connected to the second channel, thereby allowing the fourth port provided at one end of the third channel to be connected to the second channel. As aforementioned, the second channel is connected to the first channel. Thus, in yet other words, the third channel may be configured to connect a filter dryer as part of a receiver connected to the fourth port to the first channel.

[0023] Further, the second channel is configured so that an expansion valve insert, for example the expansion valve sleeve of the expansion valve insert, which is receivable in the third port as aforementioned, extends from the third port closer to the intersecting section than the connection between the second channel and the third channel. Therefore, the second channel, which is connected to the third channel, does not comprise the expansion valve insert, although the second channel is configured to receive the corresponding expansion valve insert, for example when being used as part of an assembly as described further below.

[0024] August 20, 2025 D 200 P 2642 WO

[0025] Furthermore, the mount comprises a fourth channel, i.e. a fourth fluid channel, and a fifth channel, i.e. a fifth fluid channel. The fourth channel and the fifth channel are each configured to connect the first channel to the fourth port of the mount. In one aspect, the fourth channel and the fifth channel may connect a receiver, which may be connected to the fourth port, to the first channel of the mount. Hence, the first channel is not only fluidically connected to the second channel as aforementioned but also to the fourth channel and to the fifth channel.

[0026] The fourth channel is configured to receive a third check valve element. The fifth channel is configured to receive a fourth check valve element. The first check valve element, the second check valve element, the third check valve element and the fourth check valve element may be spring-biased check valve elements. Depending on the pressure across the respective check valves, the check valve elements may either open or close.

[0027] Consequently, the mount is not only configured to receive an expansion valve insert but also a first check valve element, a second check valve element, a third check valve element and a fourth check valve element. However, neither the expansion valve insert nor the check valve elements form part of the mount. Nevertheless, the mount may provide valve seats for respective check valve elements, which may for example be screwed into the mount or otherwise integrated into the mount when needed. For example, the mount may be provided as a separate component to be used in a refrigerant circuit, and wherein the mount may be equipped with valve elements before being used. Therefore, the mount may provide a mount for several valve elements.

[0028] Further, the mount is formed in one piece. In other words, the mount may be provided as a single part. Consequently, no parts of the mount can be detached from it, e.g. unscrewed. Instead, the mount can only be dismantled by destructive

[0029] August 20, 2025 D 200 P 2642 WO measures. In this regard, the mount may for example be formed by casting. For example, the mount may be casted from aluminum material. The channels of the mount may thus only define different sections of one single main body defining the mount. The mount may thus provide respective ports to connect for example a receiver, an expansion valve, a condenser and an evaporator of a refrigerant circuit. In other words, the mount as one single piece may be configured to connect a receiver, an expansion valve, a condenser and an evaporator and to receive the respective check valve elements.

[0030] Providing the mount in one piece facilitates the use of the mount when being integrated into a refrigerant circuit. In addition, the size of the refrigerant circuit may be substantially reduced due to the more compact arrangement in the one-piece mount. Furthermore, the manufacturing costs may be reduced, and the time required for maintenance may also be reduced considerably. As such, a one-piece mount may enable production in fewer manufacturing steps and may thus allow manufacturing costs to be reduced. Further, as there are less connector elements needed to fluidically connect the several induvial components, their sealing may additionally be improved.

[0031] In one aspect, the mount may be made of aluminum material. In one aspect, the mount may have a weight of between 50 g and 1000 g, preferably of about 250 g, while allowing a fluid flow of 100 l / h, i.e. 0.1 m3 / h. In one additional or alternative aspect, outer dimensions of the mount may be between 40 mm and 200 mm in length, between 50 mm and 500 mm in width and between 40 mm and 200 mm in height. Preferably, the length may be 150 mm, the width may be 60 mm and the height may be 67 mm.

[0032] In one embodiment, the first port axis and the second port axis may be parallelly arranged. Consequently, the first port axis and the second port axis may, for example, both be arranged parallel to the floor but offset in space. The first port may

[0033] August 20, 2025 D 200 P 2642 WO thus open from the first channel in a first direction and the second port may open from the first channel in a second direction, wherein the first direction and the second direction may point in opposite directions, and wherein the first port may be offset relative to the second port in a direction perpendicular to the first direction and perpendicular to the second direction. In this regard, for example, the first port may be positioned higher than the second port when viewed from the floor in a vertical direction. However, the first port and the second port may also both point in the same direction but may be arranged offset to one another. However, an arrangement of the first port and the second port in which the first port and the second port may point in opposite directions is preferred because this may avoid redirection of fluid and thus energy losses.

[0034] Alternatively, the first port axis and the second port axis may be coaxially arranged, wherein the first port axis and the second port axis may together form a first axis. The first axis may for example be a longitudinal central axis of the first channel. In this regard, the first check valve element and the second check valve element may be coaxially arranged with respect to the first axis. A coaxial arrangement of the first port axis and the second port axis may contribute to a substantially symmetrical arrangement of the mount so that the mount does not specify a predefined installation direction. In other words, and as aforementioned, a coaxial arrangement of the ports may simplify use of the first port as an inlet port or as an outlet port of the mount. Likewise, use of the second port as an inlet port or an outlet port may be facilitated. This considerably simplifies installation and manufacturing of the mount.

[0035] According to a further embodiment, a first socket for releasably receiving the third check valve element and providing a third valve seat for the third check valve element and a second socket for releasably receiving the fourth check valve element and providing a fourth valve seat for the fourth check valve element may be arranged on an outer surface of the mount. In other words, the first socket and

[0036] August 20, 2025 D 200 P 2642 WO the second socket may extend up to the outer surface of the mount. Further, the first socket and the second socket may each provide for a valve seat, namely the first socket may provide for the first valve seat and the second socket may provide for the second valve seat. Due to the arrangement of the sockets, the first socket and the second socket of the mount may be directly accessible from outside the mount. This may for example simplify assembly of the mount with respective valve elements or maintenance.

[0037] Additionally or alternatively, the first socket and the second socket may be configured to fully recess the third check valve element and the fourth check valve element. In other words, the third first socket and the second socket may allow that the respective third check valve element and the fourth check valve element do not protrude out of the mount. In one aspect, when the third check valve element and the fourth check valve element may be inserted into the corresponding socket, the corresponding check valve element may be flush with the outer surface of the mount. In yet other words, the first socket and the second socket may be configured to fully receive the corresponding valve elements. In this regard, the first socket and the second socket may extend into the mount. The first socket and the second socket may thus provide respective receptacles inside the mount in which corresponding valve elements may be received. In one aspect, the first socket and the second socket may comprise respective threads into which the corresponding valve elements may be screwed. Fully assembling the mount with respective valve elements may thus be easily performed. In addition, the corresponding valve elements, i.e. the third check valve element and the fourth check valve element, may be easily unscrewed and checked during maintenance. Further, the first socket and the second socket and thereby the mount may provide a corresponding connection means for the third check valve element and the fourth check valve element.

[0038] August 20, 2025 D 200 P 2642 WO

[0039] According to a further aspect, the first socket and the second socket may be arranged on the same side of the mount as the third port. In other words, a first direction along a first socket axis of the first socket, a second direction along a second socket axis of the second socket and a third direction along a third port axis may at least partially point in the same direction. In other words, the first direction, the second direction and the third direction may have a common component of direction. This means that even if the first socket, the second socket and the third port may not all be orientated in the same way, all of them are accessible from the same side of the mount. In the event of a check valve element replacement, or in the event of maintenance or installation of the mount, providing the first socket, the second socket and the third port on the same side, may considerably reduce complexity and thus time and costs.

[0040] In one embodiment, the first socket may extend along a first socket axis. Further, the second socket may extend along a second socket axis. In addition, the first socket axis and the second socket axis may be parallelly arranged. Furthermore, the first socket axis and the second socket axis may be angled with respect to the second axis. In other words, the first socket and the second socket may be inserted into the mount at an angle to the second channel. The angle between the first socket axis or the second socket axis and the second axis may be between 5° and 25°, preferably 13.5°. Providing the first socket and the second socket at an angle with respect to the second axis of the second channel may allow to provide a mount to be as compact as possible as less space may be needed in the width of the mount, for example. In addition, corresponding arrangement of the sockets may facilitate ideal interaction of the corresponding third check valve elements and fourth check valve elements with the fourth channel and the fifth channel.

[0041] In one embodiment, the second axis of the second channel may intersect the first channel. In this regard, the second axis may be arranged above the first port axis

[0042] August 20, 2025 D 200 P 2642 WO and / or the second port axis and perpendicular to the first port axis and / or the second port axis. Preferably, the second axis may be arranged above the first axis and perpendicular to the first axis. Further, the second axis of the second channel may intersect the third axis of the third channel. As the second axis may intersect the first channel and the third axis, the second channel may connect the third channel with the first channel. Further, the first port axis and the second port axis may be preferably arranged in line so that the first port axis and the second port axis may together provide the first axis of the first channel. In this regard, the second axis may thus preferably be arranged above the first axis and perpendicularly arranged thereto. If the first axis, the second axis and the third axis each represent corresponding central longitudinal axes of the respective channels, the aforementioned arrangement of the axes and channels may ensure that fluid redirections, i.e. a change in fluid flow direction, may essentially only occur in the intersections of the respective channels, which means that further redirections may be mostly avoided.

[0043] According to a further aspect of the invention, the third axis may be perpendicularly oriented with respect to the first port axis and / or with respect to the second port axis. Preferably the third axis may be perpendicularly oriented with respect to the first axis provided by the first port axis and the second port axis. Additionally or alternatively, the third axis of the third channel may be oriented perpendicularly with respect to the second axis of the second channel. Depending on the overall orientation of the mount, the third channel may therefore be a riser in relation to the first channel and the second channel, although the third channel may not be used as such. In other words, the third channel may be arranged in line with the direction of gravity, wherein fluid inside the third channel may flow downstream when the mount is being used. Nevertheless, a respective arrangement of the axes and corresponding channels used for example to connect a receiver or an expansion valve to the mount may allow space-saving branching of the various channels of the mount.

[0044] August 20, 2025 D 200 P 2642 WO

[0045] In one embodiment, the first valve seat and the second valve seat may be symmetrically arranged with respect to a plane of symmetry. Additionally or alternatively the third valve seat and the fourth valve seat may be symmetrically arranged with respect to the plane of symmetry. Preferably the first valve seat and the second valve seat as well as the third valve seat and the fourth valve seat are arranged symmetrically with respect to the plane of symmetry. Further, the plane of symmetry may be defined by a first span vector running along the second axis and a second span vector running along the third axis. In other words, the plane of symmetry may be spanned by the corresponding first and second span vectors. However, these span vectors are only used as auxiliary means in order to define the plane of symmetry. Further, the plane of symmetry may intersect the intersecting section arranged between the first valve seat and the second valve seat. The corresponding symmetrical arrangement of the valve seats improves installation of the mount with a refrigerant circuit independent of the direction of fluid flow. As aforementioned, the first port for example may thus be either an inlet port or an outlet port. Further, due to the symmetry, the respective valve seats may be functionally the same, thus indicating that check valve elements to be used with the valve seats may also be the same. Therefore, when the mount is used as part of an assembly, the number of different components may be reduced which may reduce costs and complexity. Further, check valve elements may be interchanged. For example, the second check valve element may be used with the first valve seat instead of being used with the second valve seat.

[0046] In a further embodiment, the first valve seat may be arranged closer to the intersecting section than a connection of the fourth channel to the first channel. Further, the second valve seat may be arranged closer to the intersecting section than a connection of the fifth channel to the first channel. Therefore, when check valve elements to be used with the respective valve seats may close against the valve seats, the first channel may still be fluidically connected to the fourth

[0047] August 20, 2025 D 200 P 2642 WO channel and / or the fifth channel respectively. In other words, fluid connection between the first port and the second port may still be allowed via the fourth channel and the fifth channel. In addition, this is a further measure to reduce the size of the mount, i.e. to make the mount as compact as possible.

[0048] According to one embodiment, the third port may comprise a first thread configured for releasable attachment of the expansion valve insert to the mount. In other words, the expansion valve insert may be releasably attached to the mount and may thus be easily installed, maintained or exchanged. Further, additionally or alternatively, the fourth port may comprise a second thread which may be configured for releasable attachment of the receiver to the mount. In one aspect, the first thread and the second thread may be provided by inner threads. In one aspect, the first port and / or the second port may comprise further threads, for example inner threads, for connection, for example to components of a refrigerant circuit. Consequently, the expansion valve insert as well as the receiver may be screwed into the mount. In this way, a connection by threads ensures easy provision of sealing surfaces. Moreover, it enables simple assembly and disassembly of respective components, which in turn may thus be carried out in a self-explanatory manner without any difficult measures.

[0049] Furthermore, in one embodiment, the fourth channel and the fifth channel may form at least partially a common channel between the fourth port and a region of the fourth channel configured to receive the third check valve element and a region of the fifth channel configured to receive the fourth check valve element. In other words, fluid which may flow separately into the fourth channel and the fifth channel may mix and flow out of the fourth port. Although, this type of fluid flow, i.e. a case in which fluid flows separately into the fourth channel and the fifth channel towards the fourth port may typically not occur when the mount is being used, this may be used to better understand the arrangement of the channels. Providing a common channel instead of providing two separate channels may

[0050] August 20, 2025 D 200 P 2642 WO thus further allow to reduce the size of the mount and still making use of different connection to the first channel. In this regard, the common channel may preferably surround the third channel. In other words, an outer lateral surface defining the third channel may be used as a lateral surface of the common channel thereby further reducing the amount of material needed as well as the size of the mount.

[0051] According to a further aspect of the invention, the object may also be solved by an assembly comprising the mount according to the aforementioned aspects as well as corresponding check valve elements, i.e. i.e. first to fourth check valve elements, and an expansion valve insert as described in the following.

[0052] A first check valve element and a second check valve element may be arranged inside the first channel of the mount. More precisely, the first check valve element may be arranged with respect to the first valve seat and the second check valve element may be arranged with respect to the second valve seat. Depending on a state of the first check valve element and a state of the second check valve element, a fluid flow may either pass the first check valve element and / or the second check valve element or the fluid flow may be blocked by the first check valve element and / or the second check valve element. Hence, the first check valve element and the second check valve element may be configured to allow or block a fluid flow between the first port and the second port of the mount. In other words, depending on the state of the first check valve element and the second check valve element a fluid may flow through the first channel from the first port to the second port or vice versa. However, a fluid flow directly from the first port to the second port of the first channel may only be a hypothetical scenario for an application of the assembly in a refrigerant circuit, as normally, as described below, a fluid may not flow past the first check valve element and the second check valve element directly, i.e. only using the first channel, from the first port to the second port.

[0053] August 20, 2025 D 200 P 2642 WO

[0054] In this regard, it should also be noted that the first check valve element and the second check valve element may be arranged in opposite orientation with respect to a fluid flow and may be separated by an intersecting section located therebetween.

[0055] Further, the assembly may comprise an expansion valve insert arranged with respect to the second channel and the third port of the mount. In other words, the expansion valve insert may be received via the third port in the second channel. In this regard, an expansion valve comprising the expansion valve insert may be coupled, for example screwed, to the third port. The expansion valve insert may extend into the second channel. In one aspect, the expansion valve insert may provide for example an expansion valve seat and an expansion valve element. Further, the expansion valve insert may be configured to allow or block a fluid flow between the fourth port and the intersecting section of the mount, i.e. via the third channel and the second channel. In this regard, the third channel may be configured to allow fluid to enter the second channel, wherein the second channel may be blocked towards the intersecting section of the mount depending on whether the expansion valve element is opened or closed.

[0056] The assembly may further comprise a third check valve element arranged with respect to the fourth channel. Furthermore, the assembly may comprise a fourth check valve element arranged with respect to the fifth channel. The third check valve element may thus be configured to allow or block a fluid flow via the fourth channel between the first channel and the fourth port of the mount. Further, the fourth check valve element may be configured to allow or block a fluid flow via the fifth channel between the first channel and the fourth port of the mount. Additionally, the fourth port may be configured for releasable attachment of a receiver to the mount. In this regard, the fourth port may comprise a second thread which may be configured for releasable attachment of a receiver to the mount.

[0057] August 20, 2025 D 200 P 2642 WO

[0058] The assembly may thus comprise the mount according to the aforementioned aspects as well as the expansion valve insert, the first check valve element, the second check valve element, the third check valve element and the fourth check valve element. In this state, the assembly may be connected to the other components of a refrigerant circuit, for example to an evaporator, a condenser and a receiver. However, an alternative assembly which may comprise only the mount and the first check valve element and the second check valve element may also at first be provided instead. When this alternative assembly may be used with a refrigerant circuit, a third check valve element and a fourth check valve element may be screwed into the respective sockets in addition to the evaporator, the condenser and the receiver and an expansion valve insert which may be connected to the mount.

[0059] The assembly may thus allow for a compact arrangement of several valve elements in one mutual component, namely the mount. This reduces complexity of the arrangement of the several components of a refrigerant circuit and allows for the aforementioned advantages.

[0060] In one aspect, the assembly may further comprise the receiver coupled to the fourth port of the mount. In one aspect, the receiver may comprise a filter dryer. The filter dryer may be arranged inside the receiver. The receiver may for example be screwed to the fourth port of the mount. By coupling the receiver to the fourth port, the receiver may be directly connected to the fourth channel and the fifth channel of the mount. In other words, fluid may directly flow out of the fourth channel and the fifth channel into the receiver. In yet other words, the fourth channel, the fifth channel and the receiver may form a common volume. Further, the receiver may be connected to the third channel via the filter dryer. Hence, in order for fluid to pass from the receiver into the third channel of the mount, fluid may have to pass from the receiver through the filter dryer. The receiver may thus provide a connection between the third channel, the fourth channel and the fifth

[0061] August 20, 2025 D 200 P 2642 WO channel. Connection of the receiver to the assembly may allow to directly install the assembly into the refrigerant circuit.

[0062] In one embodiment, the assembly may be configured such that when fluid flows into the first channel via the first port, the fluid may act in a closing direction of the first check valve element and in an opening direction of the third check valve element. In other words, if the pressure of the fluid is sufficiently high, the first check valve element may be closed, thereby closing the first channel towards the intersecting section, wherein the third check valve element may be opened, thereby allowing the fluid to pass into the fourth channel.

[0063] However, and as will be described below, the fluid may also flow into the first channel via the second port. Due to their configuration, the assembly and the mount may be integrated into a refrigerant circuit independently of the direction of fluid flow according to one aspect of the invention. Describing the assembly together with an imaginary fluid flow into the first port therefore serves to understand the function of the individual components of the assembly and defines their relative layout and configuration.

[0064] Further, when the fluid may flow into the first port, the third check valve element may be configured to open the first channel to allow fluid to flow from the first channel via the fourth channel into the receiver. If the fourth channel may form a common channel with the fifth channel in some regions as described above, the fluid may also flow into the receiver out of the common channel formed by the fourth channel and the fifth channel. The assembly may then further be configured such that fluid inside the receiver may act in a closing direction of the fourth check valve element via the fifth channel.

[0065] Furthermore, the receiver may further be configured to allow fluid inside the receiver to flow into the third channel towards the expansion valve insert. In one

[0066] August 20, 2025 D 200 P 2642 WO aspect, in which the receiver comprises a filter dryer, the fluid may flow from the receiver via the filter dryer into the third channel. In other words, the fluid may have to pass the filter dryer in order to be able to enter the third channel. The fluid may then flow from the third channel into the second channel. Further, the expansion valve insert may be received in the second channel. Therefore, the expansion valve insert may be configured to open the second channel towards the intersecting section thereby connecting the intersecting section to the receiver. In other words, when the expansion valve insert may be open, the fluid may flow from the receiver, for example via the filter dryer, trough the third channel and the second channel into the intersecting section.

[0067] Thus, when fluid flows into the intersecting section, the fluid may act on the first check valve element and the second check valve element comprising oppositely oriented opening directions. In other words, and as described above, the first check valve element may move from the first valve seat towards the first port in order to open, wherein the second check valve element may move from the second valve seat towards the second port in order to open. Consequently, fluid may continue to flow via the first port into the first channel and may act on the first check valve element in order to close the first check valve element, wherein the first check valve element may at the same time experience an oppositely directed force from fluid in the intersecting section acting towards the opening direction of the first check valve element. However, as the pressure of the fluid inside the intersecting section may be lower compared to the pressure of the fluid being supplied via the first port, the first check valve element may remain closed.

[0068] Still, the fluid inside the intersecting section of the mount may also act towards the opening direction of the second check valve element. Therefore, the second check valve element may be configured to open the first channel towards the second port of the mount. The fluid may then be discharged into the refrigerant circuit via the second port of the mount. Consequently, the pressure difference across

[0069] August 20, 2025 D 200 P 2642 WO the check valves may determine whether the check valves are opened or closed. The pressure difference may be maintained by the expansion valve insert and may be created by a compressor of the refrigerant circuit.

[0070] However, if the fluid flow is reversed, i.e. when fluid may be supplied to the assembly via the second port, fluid may act in a closing direction of the second check valve element, wherein the fourth check valve element may open the first channel towards the fourth port. Fluid which may then, for example from the receiver, flow into the third channel and the second channel may flow depending on whether the expansion valve element may be opened or closed into the intersecting section of the mount. From the intersecting section the fluid may then flow past the first check valve element and may be discharged from the first port into the refrigerant circuit. Consequently, the assembly may also be used for a reversed fluid flow, in which the fluid flows into the second port. Reversing the fluid flow is used, for example, to prevent or reduce icing on the evaporator or in order to switch the mode of operation of the refrigerant circuit, for example from cooling to heating mode or vice versa. In order to reverse the fluid flow, the mount or the assembly comprising the mount does not require any further adjustments or amendments. Instead, only the fluid, i.e. the refrigerant, needs to be reversed.

[0071] According to a further embodiment, the first check valve element, the second check valve element, the third check valve element and the fourth check valve element may be functionally identical. Consequently, a pressure difference to open or close each one of the check valves, i.e. the respective first, second, third and fourth valve elements of the check valves, may be the same for all check valve elements. Thus, in one aspect, the first check valve element, the second check valve element, the third check valve element and the fourth check valve element may thus be provided by the same elements. Further, the check valve elements may at least partially be interchanged. For example, the third check valve element may be screwed out of the first socket and may be screwed into

[0072] August 20, 2025 D 200 P 2642 WO the second socket of the mount. The same applies for the fourth check valve element which may be screwed out the second socked and may be screwed into the first socket of the mount. If the third check valve element and the fourth check valve element were swapped accordingly, the assembly would continue to function as normal, i.e. without impairment or improvement. The same applies, for example, to a swap between the first check valve element and the second check valve element.

[0073] In summary, the mount and the assembly comprising the mount allow installation, for example of a receiver, in a refrigerant circuit. The one-piece mount allows for reduced complexity by minimizing the number of components. In addition, the mount enables an extremely compact and space-saving configuration of the valve arrangement required to install, for example a receiver between an evaporator and a condenser within a refrigerant circuit.

[0074] Additional features, advantages and possible applications of the invention result from the following description of exemplary embodiments and the drawings. All the features described and / or illustrated graphically here form the subject matter of the invention, either alone or in any desired combination, regardless of how they are combined in the claims or in their references back to preceding claims.

[0075] Preferred embodiments of the invention will now be described with reference to the drawings, in which:

[0076] Fig. 1 shows an exemplary perspective view of a mount to which a fourth check valve element, a receiver, and an expansion valve are attached;

[0077] Fig. 2A shows an exemplary perspective view of an assembly comprising a receiver and an expansion valve;

[0078] August 20, 2025 D 200 P 2642 WO

[0079] Fig. 2B shows a front view of the assembly shown in Fig. 2A;

[0080] Fig. 2C shows a sectional view along line L-L shown in Fig. 2B;

[0081] Fig. 2D shows a sectional view along line N-N shown in Fig. 2B;

[0082] Fig. 2E shows a sectional view along line M-M shown in Fig. 2B;

[0083] Fig. 2F shows a sectional view along line B-B shown in Fig. 2B;

[0084] Fig. 2G shows a side view of the assembly shown in Fig. 2A;

[0085] Fig. 2H shows a sectional view along line K-K shown in Fig. 2G; and

[0086] Fig. 3 shows an exemplary circuit diagram of a refrigerant circuit with a functionally integrated assembly.

[0087] In Figs. 1 to 3 same elements, i.e. elements that perform a similar function or serve a similar purpose, may have the same reference numbers.

[0088] Fig. 1 shows a mount 1 according to the invention. The mount 1 comprises a first channel 2 having a first port 3. An outer thread 200 of a connector element 201 , which may for example be a wire nut, provided with respect the first port 3 may be used to connect the mount 1 to a refrigerant circuit R, for example as shown in Fig. 3. In this regard, the first port 3 may for example be connected to an outlet tube of a condenser 202 used in the refrigerant circuit R to heat up cool air. The connector element 201 however is a separate component with respect to the mount 1 and neither forms part of the mount 1 nor of an assembly comprising the mount 1 according to the invention. Moreover, the connector element 201 is

[0089] August 20, 2025 D 200 P 2642 WO merely shown to indicate possible connection means for connecting the mount 1 to further components of a refrigerant circuit R.

[0090] The first port 3 is formed along a first port axis X1 and is configured to supply fluid into the first channel 2 or to discharge fluid. In this regard, it should be noted that due to the relative arrangement and configuration of the mount 1 , the mount 1 can be used independent of a direction of fluid flow. The mount 1 is formed in one- piece. In this regard, the mount may for example be formed by casting. For example, the mount may be casted from aluminum material.

[0091] In Fig. 1 , a second port 4 of the first channel 2 of the mount 1 is substantially covered by an expansion valve 203 which is connected to a third port 5 of the mount 1 . The second port 4 is formed along a second port axis X2. Also, the third port 5 is mainly covered by the expansion valve 203. The second channel 2 extends between the first port 3 and the second port 4. Further, the mount 1 comprises a fourth port 6.

[0092] In Fig.1 , a receiver 100 is connected to the fourth port 6 of the mount 1. The expansion valve 203 and the receiver 100 may be connected to the corresponding ports via a thread, i.e. screwed on. In addition, a first check valve element 101 and a second check valve element 102 may be received in the first channel 2 as for example shown in Fig. 2H. The first check valve element 101 and the second check valve element 102 are configured to block or allow fluid flow.

[0093] Considering that the expansion valve 203 is connected to the third port 5 of the mount 1 , which may be better seen in Fig. 2F, it may be noted that a first socket 7 for releasably receiving a third check valve element 103 and a second socket 8 for releasably receiving a fourth check valve element 104 are arranged on the same side of the mount 1 as the third port 5 covered by the expansion valve 203 in Fig. 1. In Fig. 1 , the fourth check valve element 104 is received in the second

[0094] August 20, 2025 D 200 P 2642 WO socket 8. However, no third check valve element 103 is yet received in the first socket 7.

[0095] Therefore, as can be noted from Fig. 1 , the first socket 7 comprises a first socket inner thread 9 into which the third check valve element 103 may be screwed. The second socket 8 comprises a second socket inner thread 10, similar to the first socket inner thread 9, into which the fourth check valve element 104 is screwed. A third check valve element 103 screwed into the first socket 7 is shown in Fig. 2A.

[0096] When the third check valve element 103 is screwed into the first socket 7, the third check valve element 103, like the fourth check valve element 104 in the second socket 8, can be fully recessed in the first socket 7. In other words, the third check valve element 103 and the second check valve element 104 may not protrude from the mount 1 , when they are fully received in the respective socket. In this regard, the first socket 7 and the second socket 8 are arranged on an outer surface 11 of the mount 1 and extend into the mount 1 .

[0097] In this regard, the first socket 7 extends along a first socket axis S1 and the second socket 8 extends along a second socket axis S2. When the third check valve element 103 is inserted into the first socket 7, the third check valve element 103 is moved along the first socket axis S1 . Likewise, the fourth check valve element 104 is moved along the second socket axis S2 of the second socket 8. The first socket 7 with the first socket axis S1 is for example shown in Fig. 2D, wherein the second socket 8 with the second socket axis S2 is for example shown in Fig. 2C. The first socket axis S1 and the second socket axis S2 are parallelly arranged.

[0098] The third check valve element 103 and the fourth check valve element 104 to be screwed into the first socket 7 and the second socket 8 respectively, may each comprise a recess 105, for example a hexagon socket or a hexalobular internal,

[0099] August 20, 2025 D 200 P 2642 WO i.e. a torx socket, to be used with a corresponding tool in order to connect, i.e. screw, the third check valve element 103 and the fourth check valve element 104 to the mount 1 .

[0100] The expansion valve 203 as shown comprises an actuator 204 and an electrical connection 205 for connection of the expansion valve 203 to a control unit 206 of the refrigerant circuit R, which is exemplary shown in Fig. 3 and may receive and evaluate various data, for example sensor data from temperature sensors TS and the like, from a refrigerant circuit R and derive control operations accordingly.

[0101] When fluid flows via the first port 3 into the mount 1 for example, the third check valve element 103 may open a fourth channel 12 as for example depicted in Fig. 2D. Likewise, when fluid flows into the mount 1 via the second port 4, for example shown in Fig. 2B, the fourth check valve element 104 may open a fifth channel 13 as for example depicted in Fig. 2C. The fourth channel 12 and the fifth channel 13 are partially arranged around a third channel 14. In other words, the common channel provided by a region of the fourth channel 12 and the fifth cannel 13 surrounds the third channel 14. In this regard, the fourth channel 12 and the fifth channel 13 partially form a common channel as can be noted from Fig. 2E.

[0102] The fourth channel 12 and the fifth channel 13 connect the first channel 2 of the mount 1 to the fourth port 6. When a receiver 100 is connected to the fourth port 6, for example screwed to the fourth port 6, the fourth channel 12 provided with the third check valve element 103 and the fifth channel 13 provided with the fourth check valve element 104 each provide potential fluid connection between the first channel 2 and the receiver 100.

[0103] Refrigerant which flows for example into the first port 3 and from there via the third check valve element 103 and the fourth channel 12 into the receiver 100 may accumulate in the receiver 100. From the receiver 100, the fluid may then flow

[0104] August 20, 2025 D 200 P 2642 WO through a filter dryer 106 back into the mount 1. More precisely, the fluid which may accumulate in the receiver 100 may flow via the filter dryer 106 into the third channel 14 of the mount 1 .

[0105] The third channel 14 extends along a third axis Z. In other words, the third channel 14 is arranged along the third axis Z. Further, as can be noted from Fig. 2F, the third channel 14 connects the fourth port 6, here the receiver 100 connected to the fourth port 6, to a second channel 15. The second channel 15 extends along the second axis Y. In other words, the second channel 15 is arranged along the second axis Y. Further, the second axis Y is arranged perpendicularly with respect to the third axis Z.

[0106] Furthermore, the first socket axis S1 of the first socket 7 and the second socket axis S2 of the second socket 8 as aforementioned are arranged angled with respect to the second axis Y along which the second channel 15 is arranged. An angle a between the second socket axis S2 and the second axis Y is shown in Fig. 2F and may be about 13.5°.

[0107] In addition, the second channel 15 comprising the third port 5 is connected to the first channel 2. More precisely, the second channel 15 of the mount 1 is connected to an intersecting section 16. However, an expansion valve insert 107 may block the fluid flow from the second channel 15 to the intersecting section 16. In this regard, the expansion valve insert 107 comprises an expansion valve sleeve 108 and an expansion valve element 109, wherein the expansion valve sleeve 108 provides an expansion valve seat 110 for the expansion valve element 109. Therefore, the expansion valve sleeve 108 is configured to interact with the expansion valve element 109.

[0108] The third port 5 of the second channel 15, to which the expansion valve insert 107 is connected, comprises a first thread 17. Here, the first thread 17 is an inner

[0109] August 20, 2025 D 200 P 2642 WO thread so that the expansion insert 106 may be partially received inside the mount 1 when the expansion valve 203 is screwed to the first thread 17. In addition, the first thread 17 allows for a releasable attachment of the expansion valve insert 107 and the expansion valve 203 to the mount 1.

[0110] From Fig. 2F it may also be noted that the fourth port 6 comprises a second thread 18. The second thread 18 is also an inner thread and configured for releasable attachment of the receiver 100 to the mount 1 , i.e. to the fourth port 6 of the mount 1 . The elements of the corresponding receiver 100 or the expansion valve insert 107 may be equipped with a sealing element 111 , for example an O-ring, which, by screwing in the corresponding first thread 17 or second thread 18 of the mount 1 may provide for a sealing.

[0111] As can be noted from Fig. 2B, the first port axis X1 and the second port axis X2 are coaxially arranged and together form a first axis X depicted in Fig. 2H. In other words, in the Figures the first channel 2 extends along the first axis X. Further, the first check valve element 101 , which is arranged with respect to a first valve seat 19 arranged inside the first channel 2, and the second check valve element 102, which is arranged with respect to a second valve seat 20 arranged inside the first channel 2, are coaxially arranged with respect to the first axis X of the first channel 2.

[0112] Further, the first axis X of the first channel 2 and the second axis Y of the second channel 15 are perpendicularly arranged. Furthermore, the second axis Y of the second channel 15 is arranged above the first axis X of the first channel 2. The second axis Y of the second channel 15 intersects the first channel 2 and the second axis Y of the second channel 15 intersects the third axis Z of the third channel 14. The third axis Z is arranged offset with respect to the intersecting section 16 in which the second axis Y and the first axis X intersect.

[0113] August 20, 2025 D 200 P 2642 WO

[0114] When the fluid flows from the second channel 15 into the intersecting section 16, i.e. when the expansion valve element 109 is opened to allow fluid to pass, so that fluid may pass from the second channel 15 into the intersecting section 16, the fluid may act against the second check valve element 102. The fluid may then pass towards the second port 4 and may be discharged from the mount 1 and may flow towards further components, for example the evaporator 207 of the refrigerant circuit R. However, as aforementioned, the fluid flow may also be reversed in which case fluid may be supplied to the mount 1 and the corresponding assembly comprising the mount 1 via the second port 4.

[0115] As it may be noted from Fig. 2H, the first valve seat 19 and the second valve seat 20 provided in the first channel 2 of the mount 1 are arranged in opposite orientation with respect to a fluid flow. Further, in the Figures, the first valve seat 19 and the second valve seat 20 are symmetrically arranged with respect to a plane of symmetry. The plane of symmetry may be defined by the sectional plane indicated by line B-B shown in Fig. 2B. The plane of symmetry provided by the sectional plane indicated by line B-B is also defined by a first span vector running along the second axis Y and a second span vector running along the third axis Z. In other words, the plane of symmetry is also spanned by the corresponding first and second span vectors.

[0116] Furthermore, a third valve seat 21 for the third check valve element 103 provided by the first socket 7 and a fourth valve seat 22 for the fourth check valve element 104 provided by the second socket 8 are also symmetrically arranged with respect to the plane of symmetry. Therefore, all valve seats 19, 20, 21 and 22 of the mount 1 are symmetrically arranged with respect to the plane of symmetry. Further, all valve seats 19, 20, 21 and 22 for the respective first check valve element 101 , the second check valve element 102, the third check valve element 103 and the fourth check valve element 104 are provided by the mount 1 .

[0117] August 20, 2025 D 200 P 2642 WO

[0118] Further, Fig. 2H indicates that the first valve seat 19 is arranged closer to the intersecting section 16 than a connection of the fourth channel 12 to the first channel 2. Likewise, the second valve seat 20 is arranged closer to the intersecting section 16 than a connection of the fifth channel 13 to the first channel 2. This particular arrangement may allow fluid to flow into the corresponding fourth channel 12 or fifth channel 13 while still be acting on the corresponding first or second check valve element 101 , 102.

[0119] When the mount 1 or the assembly comprising the mount 1 as well as the first check valve element 101 , the second check valve element 102, the third check valve element 103 and the fourth check valve element 104 as well as the expansion valve insert 107 are used to be integrated into a refrigerant circuit R as for example shown in Fig. 3, the first port 3 may be connected to an outlet tube of a condenser 202 as aforementioned. Further, the second port 4 may be connected to an inlet tube of an evaporator 207 as aforementioned. The third port 5 may be connected to an expansion valve 203 and the fourth port 6 may be connected to a receiver 100. The receiver 100 may comprise a filter dryer 106.

[0120] Further components of the refrigerant circuit R may be a compressor 208, temperature sensors TS, an inverter cooling 209 as well as a high pressure sensor HP, a low pressure sensor LP, a low pressure switch LPS, a high pressure switch HPS, service ports SP and a four-way reversing valve 210 of a gas reversing module GRM.

[0121] The solid lines in Fig. 3 represent fluid lines, i.e. for example tubes and channels through which the fluid is passed. In contrast, the dashed lines shown in Fig. 3 represent data connections, including wireless data connections, between the corresponding components of the refrigerant circuit R and the control unit 206. The control unit 206 may thus be used to monitor and control the fluid flow in the refrigerant circuit R. In this regard, for example, the temperature sensor TS may

[0122] August 20, 2025 D 200 P 2642 WO send a temperature signal to the control unit 206 and the control unit 206 may send a corresponding control signal to the actuator 204 of the expansion valve 203, thereby controlling the fluid flow inside the refrigerant circuit R.

[0123] The refrigerant circuit R may be used in a heating mode or in a cooling mode. In the heating mode, the refrigerant circuit R is configured to heat up cool water, which passes into the condenser 202 (shown in Fig. 3 by an arrow into the condenser 202), and to provide warm or heated water, which passes out of the condenser 202 (shown in Fig. 3 by an arrow out of the condenser 202). In other words, the refrigerant circuit R shown in Fig. 3 may provide fluid via the condenser 202 into the assembly comprising the mount 1 according to the invention in order to heat up cool water. The warm or heated water may be used to heat, e.g. a house. The refrigerant circuit R shown in Fig. 3 may thus be used in a heating mode. However, the refrigerant circuit R could instead also be used in a cooling mode. When reversing the fluid flow in order to switch from a heating mode to cooling mode, the condenser 202 becomes evaporator and the evaporator 207 becomes condenser.

[0124] In summary, the mount 1 may thus be used to connect multiple check valves to a refrigerant circuit R in a compact manner, allowing a receiver 100 to be installed between a condenser 202 and an evaporator 207 and reducing the size of the refrigerant circuit R. The one-piece mount 1 further allows to reduce the number of components that would be required if the check valves were individually integrated into the refrigerant circuit R. As the mount 1 is provided in one piece, the mount 1 can be manufactured in one step. The mount 1 therefore allows for considerable improvements and allows to save costs and time for example during manufacturing and installation.

[0125] August 20, 2025 D 200 P 2642 WO

[0126] List of reference signs

[0127] 1 mount

[0128] 2 first channel

[0129] 3 first port

[0130] 4 second port

[0131] 5 third port

[0132] 6 fourth port

[0133] 7 first socket

[0134] 8 second socket

[0135] 9 first socket inner thread

[0136] 10 second socket inner thread

[0137] 11 outer surface

[0138] 12 fourth channel

[0139] 13 fifth channel

[0140] 14 third channel

[0141] 15 second channel

[0142] 16 intersecting section

[0143] 17 first thread

[0144] 18 second thread

[0145] 19 first valve seat

[0146] 20 second valve seat

[0147] 21 third valve seat

[0148] 22 fourth valve seat

[0149] 100 receiver

[0150] 101 first check valve element

[0151] 102 second check valve element

[0152] 103 third check valve element

[0153] 104 fourth check valve element

[0154] August 20, 2025 D 200 P 2642 WO

[0155] 105 recess 106 filter dryer 107 expansion valve insert 108 expansion valve sleeve 109 expansion valve element 110 expansion valve seat

[0156] 111 sealing element

[0157] 200 outer thread 201 connector element 202 condenser 203 expansion valve 204 actuator 205 electrical connection

[0158] 206 control unit 207 evaporator

[0159] 208 compressor 209 inverter cooling 210 four-way reversing valve a angle (between the second socket axis and the second axis) GRM gas reversing module

[0160] HP high pressure sensor HPS high pressure switch LP low pressure sensor LPS low pressure switch R refrigerant circuit S1 first socket axis S2 second socket axis

[0161] SP service port

[0162] August 20, 2025 D 200 P 2642 WO

[0163] TS temperature sensor

[0164] X1 first port axis

[0165] Y1 second port axis

[0166] X first axis Y second axis

[0167] Z third axis

[0168] August 20, 2025 D 200 P 2642 WO

Claims

1. Claims:

1. A mount (1 ) for fluidically connecting a receiver (100), for example comprising a filter dryer (106), to a refrigerant circuit (R), wherein the mount (1 ) comprises: a first channel (2) comprising a first port (3) formed along a first port axis (X1 ) and a second port (4) formed along a second port axis (X2), wherein the first port (3) is configured to supply fluid from the refrigerant circuit (R) to the first channel (2) of the mount (1 ), wherein the second port (4) is configured to discharge fluid from the first channel (2) of the mount (1 ) to the refrigerant circuit (R), wherein the first channel (2) comprises a first valve seat (19) configured to receive a first check valve element (101 ) and a second valve seat (20) configured to receive a second check valve element (102), wherein the first valve seat (19) and the second valve seat (20) are arranged in opposite orientation with respect to a fluid flow and separated by an intersecting section (16) located therebetween; a second channel (15) arranged along a second axis (Y) and configured to connect the intersecting section (16) to a third port (5), wherein the third port (5) is configured to receive an expansion valve insert (107); a third channel (14) arranged along a third axis (Z) and configured to connect the second channel (15) to a fourth port (6), wherein the second channel (15) is configured so that an expansion valve insert (107), which is receivable in the third port (5), extends from the third port (5) closer to the intersecting section (16) than the connection between the second channel (15) and the third channel (14); a fourth channel (12) and a fifth channel (13) each configured to connect the first channel (2) to the fourth port (6), wherein the fourth channel (12) isAugust 20, 2025 D 200 P 2642 WOconfigured to receive a third check valve element (103), wherein the fifth channel (13) is configured to receive a fourth check valve element (104); and wherein the mount (1 ) is formed in one piece.

2. The mount (1 ) according to claim 1 ,• wherein the first port axis (X1 ) and the second port axis (X2) are parallelly arranged, or• wherein the first port axis (X1 ) and the second port axis (X2) are coaxially arranged and together form a first axis (X), and wherein the first check valve element (101 ) and the second check valve element (102) are coaxially arranged with respect to the first axis (X).

3. The mount (1 ) according to any one of the preceding claims, wherein a first socket (7) for releasably receiving the third check valve element (103) and providing a third valve seat (21 ) for the third check valve element (103) and a second socket (8) for releasably receiving the fourth check valve element (104) and providing a fourth valve seat (22) for the fourth check valve element (104) are arranged on an outer surface (11 ) of the mount (1 ), and / or wherein the first socket (7) and the second socket (8) are configured to fully recess the third check valve element (103) and the fourth check valve element (104).

4. The mount (1 ) according to claim 3, wherein the first socket (7) and the second socket (8) are arranged on the same side of the mount (1 ) as the third port (5).

5. The mount (1 ) according to claim 3 or 5, wherein the first socket (7) extends along a first socket axis (S1 ), wherein the second socket (8) extends along a second socket axis (S2), and wherein the first socket axis (S1 ) and the second socket axis (S2) are parallelly arranged and angled with respect to the second axis (Y).August 20, 2025 D 200 P 2642 WO6. The mount (1 ) according to any one of the preceding claims, wherein the second axis (Y) of the second channel (15) intersects the first channel (2), and wherein the second axis (Y) intersects the third axis (Z) of the third channel (14).

7. The mount (1 ) according to any one of the preceding claims, wherein the third axis (Z) is perpendicularly oriented with respect to the first port axis (X1 ) and / or with respect to the second port axis (X2) and / or with respect to the second axis (Y), preferably with respect to the first axis (X) and the second axis (Y).

8. The mount (1 ) according to any one of the preceding claims, wherein the mount (1 ) comprises a plane of symmetry which is defined by a first span vector running along the second axis (Y) and a second span vector running along the third axis (Z), wherein the plane of symmetry intersects the intersecting section (16), and wherein the first valve seat (19) and the second valve seat (20) are symmetrically arranged with respect to the plane of symmetry, and / or wherein the third valve seat (21 ) and the fourth valve seat (22) are symmetrically arranged with respect to the plane of symmetry.

9. The mount (1 ) according to any one of the preceding claims, wherein the first valve seat (19) is arranged closer to the intersecting section (16) than a connection of the fourth channel (12) to the first channel (2), and wherein the second valve seat (20) is arranged closer to the intersecting section (16) than a connection of the fifth channel (13) to the first channel (2).

10. The mount (1 ) according to any one of the preceding claims, wherein the third port (5) comprises a first thread (17) configured for releasable attachment of the expansion valve insert (107) to the mount (1 ), and / or wherein the fourth port (6) comprises a second thread (18) configured for releasable attachment of the receiver (100) to the mount (1 ).August 20, 2025 D 200 P 2642 WO11 . The mount (1 ) according to any one of the preceding claims, wherein the fourth channel (12) and the fifth channel (13) form at least partially a common channel (13, 14) between the fourth port (6) and a region of the fourth channel(12) configured to receive the third check valve element (103) and a region of the fifth channel (13) configured to receive the fourth check valve element (104), and wherein the common channel (13, 14) preferably surrounds the third channel (14).

12. An assembly comprising the mount (1 ) according to any one of claims 1 to 11 , a first check valve element (101 ) and a second check valve element (102) arranged inside the first channel (2) of the mount (1 ) and configured to allow or block a fluid flow between the first port (3) and the second port (4) of the mount (1 ), an expansion valve insert (107) arranged with respect to the second channel (15) and the third port (5) of the mount (1 ) and configured to allow or block a fluid flow between the fourth port (6) and the intersecting section (16) of the mount (1 ), and a third check valve element (103) arranged with respect to the fourth channel (12) and a fourth check valve element (104) arranged with respect to the fifth channel(13), wherein the third check valve element (103) is configured to allow or block a fluid flow via the fourth channel (12) between the first channel (2) and the fourth port (6) of the mount (1 ), wherein the fourth check valve element (104) is configured to allow or block a fluid flow via the fifth channel (13) between the first channel (2) and the fourth port (6) of the mount (1 ), and wherein the fourth port (6) is configured for releasable attachment of a receiver (100) to the mount (1 ).August 20, 2025 D 200 P 2642 WO13. The assembly according to claim 12, wherein the assembly further comprises the receiver (100), for example comprising a filter dryer (106), coupled to the fourth port (6) of the mount (1 ).

14. The assembly according to claim 13, wherein the assembly is configured such that when fluid flows into the first channel (2) via the first port (3), the fluid acts in a closing direction of the first check valve element (101 ) and in an opening direction of the third check valve element (103), wherein the third check valve element (103) is configured to open the first channel (2) to allow fluid to flow from the first channel (2) via the fourth channel (12) into the receiver (100), wherein the assembly is then further configured such that fluid inside the receiver (100) acts in a closing direction of the fourth check valve element (104) via the fifth channel (13), wherein the receiver (100) is further configured to allow fluid inside the receiver (100) to flow, for example via the filter dryer (106), into the third channel (14) towards the expansion valve insert (107), wherein the expansion valve insert (107) is configured to open the second channel (15) to towards the intersecting section (16) thereby connecting the intersecting section (16) to the receiver (100), wherein when fluid flows into the intersecting section (16), the fluid acts on the first check valve element (101 ) and the second check valve element (102) comprising oppositely oriented opening directions, and wherein the second check valve element (102) is configured to open the first channel (2) towards the second port (4) of the mount (1 ).

15. The assembly according to any one of claims 12 to 14, wherein the first check valve element (101 ), the second check valve element (102), the third check valve element (103) and the fourth check valve element (104) are functionally identical.August 20, 2025 D 200 P 2642 WO

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