A liquid reservoir desiccator bottle assembly

Abstract

A desiccator bottle assembly (100) includes a plug opening (10) and a screw opening (40) formed on a desiccator bottle cap (20) to receive a plug (30) and a screw (50), respectively. The plug (30) is formed with a plug cutout (32) having a first thread (32a). The screw opening (40) partially overlaps the plug opening (10) and extends to a screw receiving hole (42). The screw receiving hole (42) is complementary to the plug cutout (32) and is formed with a second thread (42a). The screw (50) having an external thread (52) formed thereon is partially disposed on the plug cutout (32) to engage the first thread (32a) and partially disposed on the screw opening (40) to engage the second thread (42a). Thus, the screw (50) secures the plug (30) when the screw (50) is inserted into the screw opening (40).

Description

TECHNICAL FIELD

[0001] The present invention relates to a receiver drier bottle assembly for a condenser, particularly for a vehicle heating, ventilation and air conditioning system. BACKGROUND

[0002] A conventional air conditioning system, such as for a vehicle cabin, includes a condenser, an evaporator, an expansion device, a compressor and a heater. Conventionally, the air conditioning system is also provided with a receiver drier disposed in a high pressure portion of the air conditioning system / air conditioning loop. The receiver drier is usually located between the condenser and the expansion valve in the air conditioning loop. Conventionally, the receiver drier is provided along the length of the outlet side of the condenser, particularly along the outlet collector of a pair of collectors of the condenser. The receiver drier includes a tubular housing in the form of a sealed container, referred to as a receiver drier bottle, having an inlet and an outlet. The inlet receives liquid refrigerant from a first passageway defining a condensing portion of the condenser, along with some uncondensed refrigerant, debris and incompressible moisture, if any, via a first portion of the outlet collector. The outlet delivers liquid refrigerant, free of incompressible moisture and debris, to a second passageway defining a sub-cooling portion of the condenser, or to the remainder of the refrigerant circuit, via a second portion of the outlet collector.

[0003] As shown in Figure 1a and 1b The condenser can be connected to the inlet and outlet of the receiver drier by connecting tubes forming fluid communication between the receiver drier and the outlet side of the condenser. Conventionally, the receiver drier bottle assembly 1 includes a cap 2 closing one end of the receiver drier bottle "b" and a connecting block 3 mounted on the cap 2. The connecting block 3 is mounted on the cap 2 using bolts or screws 4. The connecting block 3 forms a connection and fluid communication between the connecting tubes and the interior of the receiver drier bottle "b". The connecting block 3 includes a plug portion 3a and a flange portion 3b for making the connection between the connecting block 3 and the cap 2. The plug portion 3a is inserted into a counterbore 2c extending from a plug opening 2a formed on the cap 2 and the flange portion 3b rests on the cap 2. In particular, the majority of the connecting block 3 is disposed outside of the receiver drier bottle "b".

[0004] The flange portion 3b includes a bolt receiving hole 3c and a counterbore 3d. The bolt receiving hole 3c is aligned with a corresponding complementary hole 2b formed on the lid 2 and a bolt 4 passes through the bolt receiving hole 3c and the hole 2b aligned with each other to mount the flange portion 3b to the lid 2. The counterbore 3d forms a connection and fluid communication between the connecting tube "p" and the interior of the desiccator bottle "b". In particular, a large diameter bore 3e of the counterbore 3d receives the connecting tube "p" while a small diameter bore 3f of the counterbore 3d extends through the insert portion 3a and is in fluid communication with the interior of the desiccator bottle "b". However, with this configuration of the connecting block 3, a major portion of the connecting block 3, i.e. the flange portion 3b is disposed outside the lid 2 and occupies a major portion of the area of the lid 2. Therefore, the space on the lid 2 for mounting other elements on the lid 2 is limited. Further, the flange portion 3b mounted on the lid 2 intrudes into the operating space of the adjacent elements mounted on the lid 2 thereby causing packaging issues. Further, this configuration of the connecting block 3 increases the overall mass of the connecting tube-lid assembly of the desiccator bottle assembly 1 and involves significant machining thereby increasing the overall cost. Further, this configuration involves aligning the lid and the connecting block which results in inconvenience in assembly. Further, due to this configuration of the connecting tube-lid assembly of the desiccator bottle assembly, the connecting tube "p" is relatively far from the screw axis of the bolt 4 thereby causing mechanical failure due to relatively high torque exerted by the connecting tube "p" on the connecting block 3. Further, to mount the connecting block 3 on the lid, two separate holes, one hole 2b and one counterbore 2c need to be formed on the lid 2 thereby causing stress concentration and weakening of the lid 2. SUMMARY

[0005] Therefore, there is a need for a desiccator bottle assembly which eliminates the problems faced by the conventional desiccator bottle assembly. In particular, there is a need for a desiccator bottle assembly wherein the connecting block forming the connecting tube-lid assembly addresses the problem of mechanical failure by reducing the torque exerted by the connecting tube on the connecting block. Further, there is a need for a relatively inexpensive desiccator bottle assembly as the connecting block forming the connecting tube-lid assembly involves relatively less material and less machining as compared to the conventional connecting block. Further, there is a need for a desiccator bottle assembly wherein the connecting block mounted on the lid of the desiccator bottle has a compact configuration thereby enabling additional elements to be mounted on the lid. Further, there is a need for a desiccator bottle assembly which is simple in construction and easy to assemble.

[0006] An object of the present application is to provide a desiccator bottle assembly which eliminates the problems faced by the conventional desiccator bottle assembly.

[0007] Another object of the present application is to provide a desiccator bottle assembly wherein the connecting block forming the connecting tube-lid assembly addresses the problem of mechanical failure by reducing the torque exerted by the connecting tube on the connecting block.

[0008] It is another object of the present application to provide a storage desiccator bottle assembly which is relatively inexpensive since the connecting block forming the connecting tube-cap assembly involves relatively less material and less machining as compared to conventional connecting blocks.

[0009] It is yet another object of the present application to provide a storage desiccator bottle assembly wherein the connecting block mounted on the cap of the storage desiccator bottle has a compact configuration thereby enabling mounting of additional elements on the cap.

[0010] It is another object of the present application to provide a storage desiccator bottle assembly wherein the connecting block mounted on the cap of the storage desiccator bottle has a compact configuration thereby not interfering with the operation of other adjacent elements mounted on the cap.

[0011] In this specification, some elements or parameters can be numbered, for example, a first element and a second element. In this case, unless otherwise stated, this numbering is only used to distinguish and name similar but not identical elements. No priority concept should be inferred from such numbering, as these terms can be switched without departing from the present application. In addition, this numbering does not imply any order of installation or use of the elements of the present application.

[0012] According to one embodiment of the present application, a storage desiccator bottle assembly, hereinafter referred to as "assembly", is disclosed. The storage desiccator bottle assembly includes a plug opening and a screw opening formed on the cap, and a plug and a screw received in the plug opening and the screw opening. The plug is formed with a plug cutout having a first thread. The screw opening partially overlaps the plug opening and extends to a screw receiving hole. The screw receiving hole is complementary to the plug cutout and is formed with a second thread. The screw having an external thread thereon is partially disposed on the plug cutout to engage the first thread and partially disposed on the screw receiving hole to engage the second thread. Thus, the plug is secured when the screw is inserted through the screw opening into the screw receiving hole.

[0013] Preferably, the plug is flush with the outer surface of the storage desiccator bottle cap when the plug is inserted into the plug opening.

[0014] Alternatively, at least a portion of the plug remains above the outer surface of the storage desiccator bottle cap when the plug is inserted into the plug opening.

[0015] Otherwise, the plug is below the outer surface of the storage desiccator bottle cap when the plug is inserted into the plug opening.

[0016] Typically, the plug includes a head portion and a conduit portion formed by impact extrusion.

[0017] According to one embodiment, the base of the plug cutout and the bottom of the support of the screw on the base are flat surfaces.

[0018] Alternatively, the bottom of the screw is conical and is supported on a base of the plug cutout complementary to the conical bottom of the screw.

[0019] Preferably, the bottom of the screw is hemispherical and is supported on a base of the plug cutout complementary to the hemispherical bottom of the screw.

[0020] Typically, the desiccator bottle assembly includes a plurality of screws which are inserted through respective screw openings provided along the periphery of the plug opening into the plurality of screw receiving holes to secure different sides of the plug. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, details and advantages of the present application will become apparent from the following detailed description. A more complete understanding of the present application and its many attendant advantages will be achieved by reference to the following detailed description when considered in connection with the accompanying drawings, wherein:

[0022] Figure 1a A perspective view of a conventional desiccator assembly is shown, also showing an enlarged view of its cover block assembly;

[0023] Figure 1b A cross-sectional view of the conventional desiccator assembly of Figure 1a is shown, depicting its internal details;

[0024] Figure 2a A perspective view of the present desiccator assembly according to an embodiment of the present application is shown, also showing an enlarged view of its cover plug assembly;

[0025] Figure 2b A cross-sectional view of the present desiccator assembly of Figure 2a is shown, depicting its internal details; and

[0026] Figure 2c Another isometric cross-sectional view of the present desiccator assembly of Figure 2a is shown. DETAILED DESCRIPTION

[0027] The present invention relates to a reservoir dryer bottle assembly for a condenser of a heating, ventilation and air conditioning system of a vehicle, wherein the reservoir dryer bottle assembly includes a plug opening formed on a reservoir dryer bottle cap, a plug housed in the plug opening, a threaded opening formed on the reservoir dryer bottle cap and a screw. The plug is formed with a plug cutout having a first thread. The screw opening partially overlapping the plug opening and complementary to the plug cutout includes a second thread. The screw having an external thread formed thereon is partially disposed on the plug cutout to engage the first thread and partially disposed on the screw opening to engage the second thread. Thus, when the screw is inserted into the screw opening, the screw fixes the plug with respect to the reservoir dryer bottle. However, the present invention is not limited to the reservoir dryer bottle assembly and can also be applied in any vehicle and non-vehicle applications wherein a connector block forms a connection and fluid communication between elements disposed on different sides of a cap of either element without protruding and without occupying much space of the cap.

[0028] The conventional reservoir dryer bottle assembly 1 includes a cap-connector pipe assembly, wherein the cap-connector pipe assembly includes a connector block 3 mounted on a cap 2 of a reservoir dryer bottle "b". The connector block 3 includes a plug portion 3a and a flange portion 3b. The plug portion 3a is received in the cap 2. The flange portion 3b is disposed outside the cap 2 and is mounted on the cap 2 by means of a bolt 4. The flange portion 3b occupies a large portion of the area of the cap 2. Thus, the space on the cap 2 for mounting other elements on the cap 2 is limited. Further, the flange portion 3b of the connector block 3 mounted on the cap 2 intrudes into the operational space of the adjacent elements mounted on the cap 2, thereby causing packaging issues. Further, this construction of the connector block 3 increases the overall mass of the connector pipe-cap assembly of the reservoir dryer bottle assembly 1 and involves significant machining, thereby increasing the cost. Further, this construction involves aligning the cap and the connector block, which causes inconvenience in assembly. Further, due to this construction of the connector pipe-cap assembly of the reservoir dryer bottle assembly, the connector pipe "p" is relatively far from the helical axis of the bolt 4, thereby causing mechanical failure due to relatively high torque exerted by the connector pipe "p" on the connector block 3. Further, in order to mount the connector block 3 on the cap, two separate holes, one hole 2b and one counter bore 2c, are required to be formed on the cap 2, thereby causing stress concentration and weakening of the cap 2.

[0029] The present invention envisages a reservoir dryer bottle assembly which eliminates the problems faced by the conventional reservoir dryer bottle assembly. The reservoir dryer bottle assembly of the present invention includes a plug received within the cap of the reservoir dryer instead of a connector block mounted on the cap, thus having a compact construction. In particular, the connector block is flush with the outer surface of the reservoir dryer bottle cap when inserted into the plug opening. This allows mounting of other elements on the cap and does not interfere with the operation of other adjacent elements mounted on the cap.

[0030] A receiver drier bottle includes a tubular housing whose ends are closed by respective caps to define an enclosed space. The receiver drier includes a filter element and a desiccant material disposed within the enclosed space. The filter element traps debris that can have entered the air conditioning loop, while the desiccant material traps moisture carried by condensate received from the condenser and prevents the moisture from reaching and damaging other critical elements, such as the compressor disposed downstream of the condenser and the receiver drier in the air conditioning loop.

[0031] Figure 2a A perspective view of a receiver drier bottle assembly 100, hereinafter referred to as assembly 100, according to an embodiment of the present application is shown. Figure 2b A cross-sectional view of the assembly 100 is shown, describing its internal details. Figure 2c Another isometric cross-sectional view of the receiver drier assembly is shown. The assembly 100 includes a plug opening 10 formed on a receiver drier bottle cap 20, hereinafter referred to as cap 20, a plug 30, a screw opening 40 also formed on the cap 20 and a screw 50.

[0032] The cap 20 is either integrally formed to the tubular housing of the receiver drier or threadably engaged to the end of the tubular housing of the receiver drier. An inlet pipe for the condensed refrigerant into the receiver drier bottle and an outlet pipe for the condensed refrigerant out of the receiver drier bottle are both connected to the cap 20. The plug opening 10 is formed on the cap 20. The screw opening 40 is also formed on the cap 20. The screw opening 40 at least partially overlaps the plug opening 10. In addition to the plug opening 10 for connecting the inlet pipe or the outlet pipe to the cap 20 and the screw opening 40 for mounting the plug 30 to the cap 20, other elements are also mounted on the cap 20. In particular, the cap 20 includes other holes formed thereon to enable mounting of other elements on the cap 20. Given the limited space on the cap 20, all elements mounted thereon need to have a compact structure so as to enable mounting of other elements without interfering with adjacent elements. The plug opening 10 extends to a first counterbore 12 formed on the cap 20. The first counterbore 12 formed on the cap 20 includes a larger diameter 12a and a smaller diameter 12b.

[0033] The plug 30 is received in the first recess 12 through the plug opening 10. Preferably, the top of the plug 30 is flush with the outer surface of the cap 20 when the plug 30 is inserted into the first recess 12 through the plug opening 10. The plug opening 10 includes a bevel along its periphery. Further, the plug 30 includes a bevel along the periphery of the plug head to facilitate removal of the plug 30 from the plug opening 10. Alternatively, at least a portion of the plug 30 remains above the outer surface of the cap 20 when the plug 30 is inserted into the recess 12 through the plug opening 10. More particularly, the plug 30 extends slightly above the outer surface of the cap 20 when the plug 30 is inserted into the first recess 12 through the plug opening 10. In yet another embodiment of the present application, the plug 30 is below the outer surface of the cap 20 when the plug 30 is inserted into the first recess 12 through the plug opening 10. The plug 30 includes a head portion 30a and a conduit portion 30b formed by impact extrusion. The conduit portion 30b includes an external groove that houses a sealing element, particularly an O-ring, to construct a leak-proof joint between the plug 30 and the first recess 12. The conduit portion 30b of the plug 30 forms a connection with the smaller diameter 12b of the first recess 12. More particularly, the plug 30 includes a second recess 36. The second recess 36 forms a connection and fluid communication between the connecting tube "P" and the interior of the desiccator bottle "B". The second recess 36 includes a large diameter bore 36a and a small diameter through bore 36b. In particular, the large diameter bore 36a formed on the head portion 30a of the second recess 36 receives the connecting tube "P", while the small diameter bore 36b of the second recess 36 extends into and is in fluid communication with the interior of the desiccator bottle "B". The plug 30 is formed with a plug cutout 32 having a first thread 32a formed on the sidewall of the plug cutout 32.

[0034] The screw opening 40 partially overlaps the plug opening 10. The screw opening 40 extends to a screw receiving hole 42 that is complementary to the plug cutout 32. The screw receiving hole 42 includes a second thread 42a formed on its sidewall. The second thread 42a formed on the sidewall of the screw receiving hole 42 is complementary to the first thread 32a formed on the sidewall of the plug cutout 32. The screw receiving hole 42 is defined between the sidewall of the plug cutout 32 and the complementary sidewall of the screw opening 40. The screw opening 40 is provided with a bevel along its periphery to facilitate removal of the screw 50 from the screw opening 40.

[0035] The screw 50 engages the first and second threads 32a and 42a on the sidewalls of the plug cutout 32 and the screw receiving hole 42, respectively, to secure the plug 30 relative to the cover 20. When the screw 50 is received within the screw receiving hole 42 through the screw opening 40, the top of the screw 50 is flush with the outer surface of the cover 20. The screw 50 engages the first and second threads 32a and 42a on the sidewalls of the plug cutout 32 and the screw receiving hole 42, respectively, to define a deployed configuration of the screw 50. When the screw 50 is in the deployed configuration, the screw head is flat and does not protrude outside of the cover 20. The screw head is provided with a chamfer along the perimeter of the screw head to facilitate removal of the screw 50 from the screw opening 40. Typically, the screw 50 is an Allen screw that is deployed and un-deployed using an Allen wrench that interacts with the corresponding hole. However, the present application is not limited to any particular configuration of the screw and the manner in which the screw 50 is deployed and un-deployed, so long as the screw 50 remains within the screw receiving hole 42 formed on the cover 20 in the deployed configuration of the screw 50. The screw 50, on which the external threads 52 are formed, is disposed partially on the plug cutout 32 to engage the first threads 32a and partially on the screw receiving hole 42 to engage the second threads 42a. Thus, when the screw 50 is inserted into the screw receiving hole 42 through the screw opening 40, the screw 50 secures the plug 30 relative to the cover 20. Instead of a single screw for mounting or securing the plug 30 relative to the cover 20, a plurality of screws 50 can be inserted into the screw receiving hole 42 through the corresponding screw openings 40 disposed along the perimeter of the plug opening 10 to secure different sides of the plug 30. However, instead of the screw 50 engaging the first and second threads 32a and 42a formed on the sidewalls of the plug cutout 32 and the screw receiving hole 42, respectively, to secure the plug 30 relative to the cover 20, another engagement element that engages the sidewalls of the plug cutout 32 and the screw receiving hole 42 can be used to secure the plug 30 relative to the cover 20. More particularly, the present application is not limited to any particular configuration of the engagement element, the number and location of the engagement element that engages the sidewalls of the plug cutout 32 and the screw receiving hole 42 to secure the plug 30 relative to the cover 20.

[0036] The screw opening 40 overlaps the plug opening 10. The screw opening extends to a screw receiving hole 42, wherein the screw receiving hole 42 at least partially overlaps the first counterbore 12. Thus, the plug 30 is received in the plug opening 10 with the connection pipe "P" received in the large diameter bore 36a of the plug 30 proximate to the mounting axis of the screw 50 received in the screw receiving hole 42 through the screw opening 40 to mount the plug 30 to the cover 20. In this way, the moment of force, particularly the twisting torque acting on the plug 30 or the cover 20 is reduced. Thus, the problem of mechanical failure due to the torque exerted on the plug 30 by the connection pipe "P" is reduced or prevented. Also, with this configuration of the assembly 100, the stress concentration on the cover 20 is relatively reduced compared to the cover of a conventional assembly, in which two separate holes are required to mount the connection block to the cover. Further, with this configuration, the plug 30 and the screw 50 used to mount the plug 30 to the cover 20 are disposed proximate to each other, thereby occupying a relatively smaller space of the cover 20 compared to a conventional assembly. Thus, depending on the user environment, space can be available to mount additional elements on the cover 20. Further, since the plug of the present invention is compact relative to a conventional connection block assembly, a weight reduction and cost reduction is achieved. Further, the plug requires relatively less machining and is easier to machine compared to a conventional connection block, thereby further reducing the overall cost. Further, the plug of the present invention requires a relatively smaller screw to mount the plug to the cover, thereby reducing the cost of the screw.

[0037] Typically, the bottom 50a of the screw 50 rests partially on the base 32b of the plug cutout 32 and partially on the base 42b of the screw receiving hole 42. The base 32b of the plug cutout 32 and the bottom 50a of the screw 50 supported on the base 32b of the plug cutout 32 are flat surfaces. More specifically, the bottom 50a of the screw 50 rests on complementary flat surfaces formed by the base 32b of the plug cutout 32 and the base 42b of the hole 42. Alternatively, the bottom 50a of the screw 50 is tapered and supported on the base 32b of the plug cutout 32 that is complementary to the tapered bottom 50a of the screw 50. More specifically, the bottom 50a of the screw 50 rests on complementary tapered surfaces formed by the base 32b of the plug cutout 32 and the base 42b of the hole 42 disposed adjacent to each other. Preferably, the bottom 50a of the screw 50 is hemispherical and supported on the base 32b of the plug cutout 32 that is complementary to the hemispherical bottom 50a of the screw 50. More specifically, the bottom 50a of the screw 50 rests on complementary hemispherical surfaces formed by the base 32b of the plug cutout 32 and the base 42b of the hole 42 disposed adjacent to each other. With this configuration, additional material is available to strengthen the connection between the base 32b of the plug cutout 32 and the sidewall of the cutout 32, thereby increasing the axial load carrying capacity of the base 32b of the plug cutout 32 due to the axial load acting on the base 32b. As a result, the chances of mechanical failure of the plug 30 are reduced and its useful life is increased.

[0038] Many modifications and improvements can be made to the reservoir dryer bottle assembly as described above by those skilled in the art, and such modifications and improvements will be considered within the scope of the present application as long as the reservoir dryer bottle assembly includes a plug opening, a plug, a threaded opening, and a thread. The plug is received in the plug opening. The plug is formed with a plug cutout having a first thread. The screw opening partially overlaps the plug opening and is complementary to the plug cutout. The screw opening has a second thread. A screw having an external thread formed thereon is partially disposed on the plug cutout to engage the first thread and partially disposed on the screw opening to engage the second thread. Thus, the screw secures the plug when inserted in the screw opening.

[0039] In any event, the present application is not, and is not to be considered to be limited to the embodiments specifically described herein. The present application is to be accorded the full scope consistent with the claims, wherein reference to an element in the singular is not intended to mean "one and only one" unless specifically so stated, but instead "one or more." All structural and functional equivalents to the elements of the various embodiments described throughout this disclosure that operate differently and that that are otherwise well known in the art are incorporated by reference. Moreover, it is recognized that the designs shown with the drawings in the attached figures, which are provided to provide an understanding of the present application, constitute embodiments of the application. Reliance on the accuracy of the drawings is not required since specific structural and functional details disclosed with the drawings are not to be interpreted as limiting, but rather so as to provide a complete description of the application. Therefore, the foregoing description is not intended to be exhaustive or to limit the application to the precise forms disclosed.

Claims

1. A liquid storage dryer bottle assembly (100), comprising: A plug opening (10) is formed on the cap (20) of the liquid storage dryer bottle; A plug (30) adapted to be received in the plug opening (10), the plug (30) having a plug cutout (32) having a first thread (32a); A screw opening (40) partially overlaps with the plug opening (10) and extends to a screw receiving hole (42), which is complementary to the plug cutout (32) and forms a second thread (42a); and A screw (50) having an external thread (52) is partially disposed on a plug opening (32) to engage with the first thread (32a) and partially disposed on a screw receiving hole (42) to engage with the second thread (42a). When the screw (50) is inserted into the screw receiving hole (42) through the screw opening (40), the screw (50) secures the plug (30).

2. The liquid nitrogen dewar bottle assembly (100) of claim 1, wherein, When the plug (30) is inserted into the plug opening (10), the plug (30) is flush with the outer surface of the liquid storage dryer cap (20).

3. The liquid nitrogen dewar bottle assembly (100) according to any of the preceding claims, wherein, When the plug (30) is inserted into the plug opening (10), at least a portion of the plug remains above the outer surface of the liquid storage dryer cap (20).

4. The receiver bottle assembly (100) according to claim 1 or 2, wherein When the plug (30) is inserted into the plug opening (10), the plug is located below the outer surface of the liquid storage dryer cap (20).

5. The receiver bottle assembly (100) according to claim 1 or 2, wherein The plug (30) includes a head portion (30a) and a conduit portion (30b) formed by impact compression.

6. The receiver bottle assembly (100) of claim 1 or 2, wherein, The base (32b) of the plug cutout (32) and the bottom (50a) of the screw (50) supported on the base (32b) are flat surfaces.

7. The receiver bottle assembly (100) of claim 6, wherein, The bottom (50a) of the screw (50) is tapered and is supported on the base (32b) of the plug cutout (32), which is complementary to the tapered bottom (50a) of the screw (50).

8. The liquid storage dryer bottle assembly (100) according to claim 6, wherein the bottom (50a) of the screw (50) is hemispherical and is supported on the base (32b) of the plug cutout (32) which is complementary to the hemispherical bottom (50a) of the screw (50).

9. The liquid storage dryer bottle assembly (100) according to claim 1 or 2, comprising a plurality of screws (50) inserted through corresponding screw openings (40) arranged along the periphery of the plug opening (10) into a plurality of screw receiving holes (42) to secure different sides of the plug (30).

10. A condenser assembly comprising a liquid receiver-drier bottle assembly according to any one of the preceding claims.

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