150results about "Aeration devices" patented technology

The present disclosure relates to a quick fill device for use with a valve assembly, and related methods of filling a pressure vessel. A valve assembly that can be secured to a pressure vessel includes a vessel, a fill valve, and an overfill valve. A preferred example of the device includes a body, a valve trigger pin, a vent trigger pin, and a handle. A valve engagement end of the body can be releasably secured within the vessel. At this point, moving the handle to an open position causes the valve trigger pin to force the fill valve to an open configuration, and causes the vent trigger pin to force the overfill valve to a fluid venting configuration. A rigid fill tube is in fluid supply communication with a fuel supply port of the body. The fill tube and the handle can be elongate, and extend in a common direction.

A fluid control system with a fast fill valve (200) for expedited filling and draining of closed-loop systems allowing for temporarily opening the loop to allow filling without a separate vacuum process The valve operates in two positions: an open position for rapid, unidirectional fluid ingress and passive air egress and a closed position for a secure, sealed state during normal operation. Some examples include vacuum assisted air egress in parallel with filling.

Air valves for cases are shown and described. In one embodiment, an air valve includes an insert, a receiver, and spacer. In other examples, embodiments include a case having an air valve. Examples of an air valve system may include an insert assembly, a receiver assembly, and a sealing assembly. The result is a cost effective, reliable, easy to use, air venting system.

To provide an oilproof assembly which enables reduction of maintenance costs and extends a useful life, and to provide an oilproof vent valve and a device with an oil tank.SOLUTION: An oilproof assembly includes: a valve body 1 which is provided with a cavity located in the center and penetrating through both ends of the valve body, and includes a first end and a second end, and in which an oil passage port allowing communication between the cavity and the outside is provided at the first end and the cavity communicates with an external ventilation passage at the second end; a first filter element 2 provided in the cavity at the first end; a stopper member 3 provided in the cavity at the second end and provided with a through hole for ventilation; and an elastic member 4 provided between the first filter element and the stopper member. The elastic member is configured to apply a thrust to the filter element after the first filter element absorbs oil to swell, so that at least part of the oil absorbed in the first filter element can be extruded by the thrust of the elastic member.SELECTED DRAWING: Figure 5

The utility model discloses an ultrathin low-air-resistance massage supporting valve body which comprises an outer shell, a PCB fixed in the outer shell and a plurality of massage electromagnetic valves fixed on the PCB. The massage electromagnetic valve comprises an electromagnetic valve shell, a first connecting port, a second connecting port, a third connecting port and a fourth connecting port are formed in the electromagnetic valve shell, a first gas circuit and a second gas circuit are further arranged in the electromagnetic valve shell, the first connecting port is communicated with the second connecting port through the first gas circuit, and the third connecting port is communicated with the fourth connecting port through the second gas circuit. The first gas path and the second gas path are both arranged to be straight channels and are spliced in a straight-through mode, gas resistance is effectively reduced, the utilization rate of gas is improved, the flow loss is minimum in the using scene, the size is small, the space occupancy rate is reduced, the weight is light, and the cost is low. And the combined massage supporting valve body is thinner.

Degassing unit (10) for a housing (4), with a base body (1) which can be connected in a fluid-tight manner to an edge of a housing opening (44) of the housing (4), having an outer surface (18) and an inner surface (17), and which has at least one gas passage opening (15) which is closed with a membrane (6) stretched across a surface transverse to an axial direction (L), wherein the base body (1) is operatively connected to an actuator (2) which has an emergency degassing mandrel (19) extending in the axial direction (L) to the membrane (6) and whose tip (191) or at least a cutting edge (192) is arranged at a predetermined distance from a membrane surface (61, 62) in a rest state, wherein the emergency degassing mandrel (19) is movable towards the membrane when the actuator (2) is activated, so that the tip (191) or cutting edge (192) can pierce or cut the membrane (6), wherein the actuator (2) is arranged on the base body (1) or can be arranged on the housing (4), characterized in that a cover (5) is arranged on the outside (18) of the base body (1), which covers the gas passage opening (15) and which is connected to the base body (1) via a fastening mechanism, wherein the actuator (2) has an actuating element (21) which is designed to release the fastening mechanism.

The utility model belongs to the technical field of air circulation control, in particular to a push-pull air tap, which comprises an air tap, a colloid mounting ring, a connecting strap and a sealing cover, the colloid mounting ring is arranged on the periphery of the air tap, the connecting strap is arranged on the outer side of the air tap, and the sealing cover is arranged at the side end of the connecting strap. By arranging the displacement adjusting frame, the positioning frame, the sealing gasket, the flexible connecting strip and the push-pull block, when gas needs to be supplemented, the push-pull block is pulled out, and the flexible connecting strip drives the sealing gasket to be tightly attached to the bottom of the positioning frame. At the moment, inflation equipment is aligned with the air tap, and the air can lift the sealing gasket and enter the air containing structure. If gas needs to be exhausted, the push-pull block is pressed, the push-pull block enables the sleeve to penetrate through the through groove in the middle of the positioning frame through connection of the sleeve and the flexible connecting strip, so that the sealing gasket is pushed inwards and does not make contact with the bottom of the positioning frame, at the moment, the one-way through opening is changed into the two-way through opening, and the gas in the gas containing structure is rapidly exhausted from the gas nozzle.

The invention relates to a pressure-independent control valve comprising a fluid inlet; a fluid outlet; a fluid path between the fluid inlet and the fluid outlet; a pressure differential control, wherein the pressure differential control comprises a chamber in fluid communication with the fluid path; and a drain. The drain comprises a drain outlet in fluid communication with the chamber and a drain closure to open and close the drain outlet. Fluid can drain from the valve when the drain outlet is open. The drain closure is movable between an open position to open the valve and a closed position to close the valve. The invention further relates to a fluid system comprising the valve with the drain, and to a method of draining the valve via the drain.

Ventilation unit (100) for the supply and exhaust of an interior space (210), in particular for the supply and exhaust of an interior space (210) of a gearbox or oil reservoir, comprising a base body (10), a valve (30), a sealing element (20) and at least one mounting element (18), wherein the base body (10) has a fluid-permeable flow opening (22) for ventilating the interior (210) with a filter area (24) which at least partially fills the flow opening (22) and is substantially fluid-tight connected to the base body (10), wherein the sealing element (20) surrounds the flow opening (22), wherein the valve (30) has a valve body (32) which is arranged on an inner surface (14) facing the interior (210) on the base body (10) in a way that allows for tight closure, wherein a closing element (36) of the valve (30) in the intended installation position (80) keeps a flow path (60) to the flow opening (22) open and closes the flow path (60) to the flow opening (22) from a tilting angle (72) relative to a direction of gravity (70), characterized in that the valve (30) has the closing element (36) and a spring element (38) in an interior (34) of the valve body (32), and that the closing element (36) is in an open position (40) in the direction of gravity (70) due to its own weight in the intended installation position (80) against a preload of the spring element (38), and that the closing element (36) is in a closed position (42) from the tilting angle (72) relative to the direction of gravity (70) against its own weight with the preload of the spring element (38).

A sleeve signalling system enables robust, mechanical and highly visible binary signalling. The system comprises an elongated signalling element comprising a signal marking, and a sleeve disposed over the signalling element. The sleeve is slidable along the elongated signalling element between a first position that covers the signal marking and a second position that uncovers the signal marking.

An explosion-proof valve and a box are provided in the application. The explosion-proof valve is configured for installing in the box, and includes a valve body (110) including a breathing passage (150), a press cover (120) and a breathing mechanism (130). The valve body is connected to the valve body, and there is a gap between the press cover and the valve body. The breathing mechanism is movably connected to the press cover, and a breathing switch (140) is formed between the breathing mechanism and the valve body. When the breathing mechanism abuts against the valve body, the breathing switch is closed, and an inside of the box is not in communication with an outside of the box. When the breathing mechanism is separated from the valve body, the breathing switch is opened, and the inside of the box is communicated with the outside of the box.

In the provided ventilation structure, a ventilation member is provided with: an inner member that contains an elastic material and has an open pipe structure; and an outer member having a closed pipe structure. The inner member is fixed to the outer member in a state in which the inner member is inserted into the outer member and an air passage is secured between the inner member and the outer member. The ventilation member is fixed to the housing in a state in which the protrusion of the housing is inserted into the interior of the inner member from the opening on one side of the inner member and the inner peripheral surface of the inner member is in contact with the outer peripheral surface of the protrusion. The outer peripheral surface of the protrusion of the housing has a recessed portion or a roughened surface portion that has been roughened. The retreating part is located at a position away from the front end of the protrusion. The inner peripheral surface of the inner member is in contact with the rough surface portion or deforms in a direction approaching the axis of the ventilation member at the retreated portion. This configuration facilitates preventing the vent member from falling off from the protrusion of the housing.

The invention relates to a mounting system (1) for attaching an insert part in a wall opening, in particular a housing comprising - an interface (4) arranged or arrangable in a wall section (40), in particular a housing, which has an interface opening (44) arranged around a through-axis (A), which is circumferentially encompassed by an edge contour (41) with radially inwardly projecting retaining projections (42) and gaps (43) in between, - a fixing insert (3) which has an insertion section (31) which can be inserted in an insertion direction (R) in a first rotational position (P1) from an outside through the interface opening (44) and is provided circumferentially with radially attached fixing elements (32) extending in the circumferential direction and with a cylindrical central through screw-in opening (33) with an internal thread (34) and is limited at its rear end section with respect to the insertion direction (R) by a stop arrangement (30) surrounding the screw-in opening (33) and projecting radially beyond the interface opening (44) at least in sections, and - an insert part which is designed as a screw-in part (2) which can be screwed into the internal thread (34) and has a screw fitting (20) which transitions at its rear section in the insertion direction (R) into a contact flange (21) which completely encompasses the stop arrangement (30) in the assembled state and is brought into contact with the outside of the wall section (40) with its contact side, in which an annular space (24) is formed which completely surrounds the screw fitting (20) and is bounded by an inner wall surface of the contact flange (21).

A souvenir apparatus is provided for capturing and retaining air from a particular location. The apparatus includes a vessel containing a vacuum and an activating arrangement configured to allow air to be sucked into the vessel from the location where the device is activated. The activating arrangement can be provided with audible and / or visible indicators to show that the apparatus has been activated. A cover can optionally be affixed to the top of the apparatus as a decorative feature and / or to provide an air-tight seal after activation. Adhesive labels and / or writeable surfaces can be provided on the apparatus to indicate the location, date, and / or other information pertaining to where / when the apparatus was activated.

Venting and separating device (100) for a housing (50) of a battery, in particular a traction battery of a motor vehicle, comprising a base body (10) with a circumferential rim (12) which is intended for coupling to the housing (50), wherein the base body (10) has at least one inlet opening (14) and at least one outlet opening (18), wherein the at least one inlet opening (14) can be brought into fluid contact with an interior (58) of the housing (50) when mounted as intended, and the at least one outlet opening (18) is in fluid contact with an environment (80), wherein the base body (10) has at least one first separating grid (20) with first grid openings (22) extending over the inlet opening (14) and, in a venting flow direction (24) downstream of the first separating grid (20) extending over the outlet opening (18), has a second separating grid (30) with second grid openings (32), wherein the venting separator device (100) has at least one overpressure valve (40) which is configured to open a bypass fluid flow path (26) from the interior (58) of the housing (50) to the environment (80) when a predetermined overpressure in the housing (50) is exceeded, wherein the bypass fluid flow path (26) bypasses at least one of the separator grids (20, 30), and wherein the pressure relief valve (40) is formed by the fact that the base body (10) in an assembly state can be pressed against the housing (50) in a sealing manner via at least one pre-tensioned spring element (42), wherein, when the predetermined overpressure in the housing (50) is exceeded, the base body (10) can be lifted off the housing (50) against the pre-tensioned spring element (42) by opening the bypass fluid flow path (26).

A float (60) and an air release valve (10) incorporating same. The air release valve (10), includes a main valve body (12), defining a valve chamber (14) having a first opening (16) and a second opening (18). The valve (10) further comprises a cage (24) held relative to main valve body (12), the cage (24) including a lower cage ring (28) with an opening. The float (60) takes the form of a lower float and comprises a lower portion (62) defining a first internal cavity (64) and an open end (66) and a neck portion (68) defining a second internal cavity (70). The neck portion (68) has an outer dimension which is smaller than an outer dimension of the lower portion (62). The neck portion (68) is configured, in use, to extend through the opening of the lower cage ring (28).

Automatic air vent (100, 400, 500, 600) for use in a gas separator of a heat pump system, wherein the automatic vent (100, 400, 500, 600) has at least two vent valves (110, 200, 410, 510, 610) and a float (120, 420, 520, 620), wherein each vent valve (110, 200, 410, 510, 610) has a lever arm (111, 411, 511) with a contact medium, wherein the float (120, 420, 520, 620) has a respective contact area (121, 321, 421, 521, 621) which is designed to contact the contact medium of each vent valve (110, 200, 410, 510, 610), wherein the float (120, 420, 520, 620) contacts each vent valve (110, 200, 410, 510, 610) in such a way that, when it rests on a liquid, it opens a vent valve (110, 200, 410, 510, 610) depending on the liquid level, and wherein the automatic vent (100, 400, 500, 600) is designed to open at least two vent valves (110, 200, 410, 510, 610) at different fill levels.

To provide a high-speed filling valve for greatly speeding up procedures for filling and testing a closed-loop fluid system.SOLUTION: A fluid control system having a fast fill valve for expedited filling and draining of a closed loop system, allowing the loop to be temporarily opened to allow filling without a separate vacuum process. The valve operates in two positions, an open position for rapid, one way fluid ingress and resistanceless air egress, and a closed position for positive sealing during normal operation. Some embodiments include vacuum-assisted air egress concurrent with filling.SELECTED DRAWING: Figure 1

The application discloses a pressure-adjustable grease filling automatic cut-off system and a pressure regulating method thereof, and the system comprises an automatic cut-off valve, an overflow valve, a ball valve and a pressure gauge, the automatic cut-off valve is axially provided with a main joint, a lower cylinder body and a cylinder body end cover, coaxially provided with a piston rod and a piston in the inside, and is provided with a lower compression spring, a plurality of sealing rings, a breathing plug and a pressure regulating knob, the piston rod is provided with a fluid passage and a stroke limiting structure; the pressure is regulated by obtaining the parameters of the cylinder body, the piston rod and the compression spring, substituting into a formula to calculate the corresponding relationship between the pressure and the knob displacement, and adjusting the knob to complete the pressure setting. The application realizes the double functions of pressure adjustment and automatic cut-off, the pressure in the grease barrel can be accurately set according to the grease supplementing demand through the pressure regulating knob, when the pressure in the barrel reaches the set value, the piston moves to the limiting position and cuts off the fluid passage, and the grease supplementing is automatically closed, so that the grease barrel is fully supplemented with grease, and the barrel body is prevented from being broken due to excessive pressure.

A pressure-equalizing device including a lattice-like cage with a gas passage opening through which gas can flow in a throughflow direction and which connects an inside and an outside of the device in a flow-conducting manner. The gas passage opening has an end face which faces toward the outside and which is covered by a gas-permeable membrane. The gas-permeable membrane is assigned a pressure-relief valve in a functional parallel configuration. The gas-permeable membrane and the pressure-relief valve jointly spatially separate the inside and the outside from one another. The gas-permeable membrane has a circular functional surface delimited by a first outside diameter. A sealing lip sealingly contacts a sealing surface of the cage with elastic preloading, and is configured to lift off the sealing surface and be brought into an open position to provide a flow-conducting connection between the inside and the outside for emergency degassing of the inside.

Described and illustrated is a air vent valve (1) for the use in a (bio)pharmaceutical process, comprising: a first housing (2), a first interior chamber (5) arranged within the first housing, a first inlet (3) for conveying air and / or liquid medium to the first interior chamber (5), a first outlet (4) for conveying air away from the first interior chamber (5), and a first floating member (6) for sealing the first outlet (4), wherein the first inlet (3) and the first outlet (3) are respectively connected via a fluidic connection with the first interior chamber (5), and wherein the first floating member (6) is arranged movable within the first interior chamber (5). To improve air vent valves, preferably to provide a less complex air vent valve, the describe air vent valve it is proposed.

A multi-directional vent limiter includes a vent body including a lower vent body and an upper vent body. The lower vent body defines an inner chamber and an inlet port in communication with the inner chamber, and the upper vent body defines a first vent hole and a second vent hole. The upper vent body is rotatably disposed on the lower vent body, such that the first vent hole and the second vent hole are in communication with the inner chamber. The multi-directional vent limiter further includes a plug configured to be selectively insertable into one of the first vent hole and the second vent hole so as to hermetically seal one of the first vent hole and the second vent hole and allow another of the first vent hole and the second vent hole open to vent.

Embodiments of the present disclosure relate to a quick fill valve for a closed loop fluid system. A fluid control system with a quick fill valve for accelerating filling and discharging of a closed loop system to allow temporary opening of the loop to allow filling without a separate vacuum process. The valve operates in two positions: an open position for rapid, unidirectional fluid intake and passive air exhaust; and a closed position for a safe, sealed condition during normal operation. Some embodiments include vacuum-assisted air evacuation in parallel with filling.

The utility model provides an air valve and an air cushion, which relates to the technical field of air cushion air valves, and comprises a valve body, a valve core, a cover body and a pressure relief structure, a valve body channel is formed in the valve body, and a first valve port and a second valve port which are communicated with the valve body channel are further formed in the valve body; a valve element channel axially penetrating through the first end of the valve element and the second end of the valve element is arranged in the valve element, and a sealing component used for opening or closing the valve element channel is installed in the valve element channel. The first end of the valve element is inserted into the first valve port, and the outer circumferential face of the valve element is in threaded connection with the inner circumferential face of the first valve port. The cover body covers a port of the second end of the valve element. The pressure relief structure comprises at least one pressure relief groove formed in the peripheral face of the first end of the valve element, and the pressure relief groove extends in the axial direction of the valve element and partitions a threaded groove formed in the peripheral face of the first end of the valve element. The air cushion air valve at least solves the technical problem that normal use of an air cushion is affected due to the fact that an existing air cushion air valve is prone to being ejected to fly under high pressure.

A ventilation component 1a includes an internal member 10, a gas-permeable membrane 20, and an external member 30. The internal member 10 includes an elastic material and has an open tubular structure. The gas-permeable membrane 20 covers one opening 13 of the internal member 10. The external member 30 has a closed tubular structure. The internal member 10 is fixed to the external member 30 to form a first contact portion 5c with a portion of an inner circumferential surface of the external member 30. The first contact portion 5c is placed between a center C10 and the one opening 13. An inner diameter of the external member 30 is larger than an outer diameter of the internal member 10 between the first contact portion 5c and the other opening 14. The external member 30 includes the protruding portion 31p forming the first contact portion 5c. A gap 30g is present by the protruding portion 31p.