74results about "Spring arrangements" patented technology

The invention discloses a valve assembly, a liquid storage device, a refrigerator door and a refrigerator. The valve assembly comprises a valve body, a valve element and an elastic piece. The valve body is provided with a valve cavity, an inlet end and an outlet end, and the inlet end and the outlet end communicate with the valve cavity. The valve element comprises a flow guide part and a sealing part. The flow guide part is slidably arranged in the valve cavity, and a flow guide channel is formed between the flow guide part and the valve body. The sealing part is fixedly arranged on the flow guide part and abuts against or is separated from the inlet end of the valve body so as to close or open the flow guide channel. Wherein an installation part is arranged on the inner wall of the valve body, the flow guide part is provided with an installation matching part corresponding to the installation part, the installation part can slide relative to the installation matching part so that an installation cavity isolated from the flow guide channel can be formed between the flow guide part and the valve body, and the elastic piece is arranged in the installation cavity and connected between the valve element and the valve body. According to the valve assembly, the elastic piece can be prevented from being eroded by fluid in the flow channel of the valve assembly, so that the service life of the elastic piece is prolonged, and cost is saved.

A 3-way solenoid valve, a vehicle brake system including the 3-way solenoid valve, and a controlling method for the same are disclosed. The present disclosure in at least one embodiment provides a brake system for a vehicle, including one or more wheel cylinders configured to apply braking pressure to each of wheels of a vehicle by using hydraulic pressure, one or more of the 3-way solenoid valve configured to increase or decrease the hydraulic pressure supplied to the one or more wheel cylinders, and a braking device configured to supply the hydraulic pressure to the one or more wheel cylinders by using a stepping force applied to a brake pedal or driving of a hydraulic pump.

A pressure relief valve includes a valve body having an inner wall defining a cylindrical bore. The inner wall includes a threaded region having a plurality of threads. The valve includes a pressure control calibration spring including a calibration portion and a force application portion. The calibration portion is threaded into the threads of the threaded region. The valve body includes an aperture in fluid communication with the cylindrical bore. An inner perimeter of the aperture defines a valve seat. A valve member is receivable on the valve seat. The force application portion urges the valve member into engagement with the valve seat and has a pitch that is greater than a pitch of the calibration portion. Rotation of the calibration portion in the threads of the threaded region of the valve body adjusts the spring force applied to the valve member by the force application portion.

A spring return cartridge for a rotary actuated valve includes a torsion spring having a spring load intermediate portion extending between a first end and a second end, and a spring carrier covered by the torsion spring. The spring carrier includes a first portion rotatably fixed to the first end of the torsion spring and a second portion rotatably coupled to the second end of the torsion spring. The second portion of the torsion spring is rotatable relative to the spring carrier and relative to the first end of the torsion spring between a first rotational limit position and a second rotational limit position. The intermediate portion of the torsion spring biases the second end of the torsion spring to the first rotational limit position and maintains a spring loaded state at the first rotational limit position.

The electromagnetic valve comprises a valve body, a coil assembly and a magnetic conductor, at least part of the magnetic conductor is located between the coil assembly and the valve body; the electromagnetic valve comprises a connecting piece connecting the magnetic conductor and the valve body; the coil assembly comprises a first recess, the first recess forms a first opening on the lower wall of the coil assembly, the first recess forms a second opening on the side wall of the coil assembly, and the first opening is directed to the upper wall of the magnetic conductor; the electromagnetic valve has a containing part, the wall forming the containing part comprises the inner wall of the first recess and the upper wall of the magnetic conductor, and the coil assembly and the magnetic conductor have at least two relative installation positions, in at least one of the relative installation positions, the limiting end of the connecting piece is located in the containing part, which is beneficial to reduce the volume of the electromagnetic valve and realize miniaturization of the electromagnetic valve.

To improve durability and production economics, the present disclosure provides a fuel gas blocking device doubling as a flow passage, the device including a supply body part having a flow passage formed therein to supply a fuel gas and provided with a supply port having a sealing step formed therein on one side thereof, a solenoid body of which a front end is hermetically fastened to the supply port and a rear end extends rearward such that a coil part is provided on an outer side thereof, and in which a hollow is formed in a longitudinal direction, and a flow passage cover in which a first flow passage is formed in the longitudinal direction is provided at a rear end of the hollow, a flow passage plunger inserted into a front end of the hollow, selectively moving rearward when power is supplied to the coil part, and having a second flow passage formed therein in the longitudinal direction, a spring that is provided between the flow passage cover and the flow passage plunger and provides an elastic restoring force in a direction in which the flow passage plunger moves forward, and a gap poppet part that is provided at a front end of the flow passage plunger and selectively seals the sealing step when moving forward.

A plug assembly that is configured to secure a plug tip to a valve stem, These configurations may include a clamp that secures to an end of the valve stem. The clamp encloses at least part of the plug tip. In one implementation, the design may include a spring assembly that generates a pre-load on the top of the plug tip, as well. The clamp is useful because it accommodates plug tips made from ceramics and like, brittle materials. Its features can prevent certain mechanical failure, for example, cracks or breaks that can occur during manufacture or assembly. As an added benefit, the device can maintain alignment of the plug tip with the valve stem. This feature can ensure proper engagement with a seat in a flow control, like a control valve.

The invention relates to a pressure relief valve with a valve seat (2) and a valve disc (4) which can be moved into a first position in which it is in contact with the valve seat (2) and the pressure relief valve is closed, and into a second position in which the pressure relief valve is open, characterized in that the pressure relief valve has at least one locking element (14), at least one spring element (16) and at least one recess (18), wherein the at least one locking element (14) is held in the at least one recess (18) by the at least one spring element (16) when the valve disc (4) is in the first position and is moved out of the at least one recess (18) against a force applied by the spring element (16) when the valve disc (4) is moved from the first position to the second position.

An orthoplanar spring for a hydraulic tensioner which has a flat, closed position, in which a flat center portion of the orthoplanar spring seals the inlet hole between the oil supply and the high pressure chamber of the tensioner and an open deformed position in which the flat center portion of the orthoplanar spring moves a distance to unseal the inlet hole such that fluid flows from the inlet supply through the openings in the orthoplanar spring and around the flat center portion to the high pressure chamber.

A check valve having a valve that is movable by incoming water in the flow direction, from a closed position, where it bears against a first valve seat, against a restoring force into an open position, where it is raised from the first valve seat, and having a pressure relief valve with a closing member that is movable by pressure of the water flowing back against the flow direction, from a closed position, in which it bears against a second valve seat, against a restoring force into an open position where it is raised from the second valve seat. The restoring force acting on the closing member is greater than the restoring force acting on the valve body. The closing member has a closing member core made of a first material, and at least in the partial region thereof that abuts the second valve seat in the closed position, has a film or a layer made of a second relatively softer and / or elastic material.

Provided is a thermostat device that can minimize the spread of legs of a housing and that can inhibit deterioration in mountability. This thermostat device is provided with: a housing 1 having a valve seat formed thereinside; a thermo-element 17 having one end inserted inside the housing 1; a valve body 15 that is seated on or separated from the valve seat by the extension / contraction motion of the thermo-element 17; a coil spring 16 that biases the valve body 15 toward the valve seat; and a frame 19 that supports one end of the coil spring 16. The housing 1 has a hollow body part 20 which has an opening 20c at one end thereof and which has the valve seat formed thereinside; a pair of legs 21, 21 which stand from the opening edge of the body part 20 and which have the frame 19 hooked on the leading ends thereof; and ribs 22 which are provided at the opening edge and which are contiguous to respective two sides of roots of the legs 21. The outer surface of each of the legs 21 is formed in an arc-shape, and the outer surface of each of the ribs 22 is curved or inclined so as to extend from the outer surface of the corresponding leg 21 toward the inner side of a circle which connects the outer surfaces of the pair of legs 21, 21. (Translation by WIPO)

A purge valve with an integrated safety function, suitable for an air-drying device. In the purge valve a purge-valve body forms a first exhaust passage for connecting an inlet line to an outlet line. A purge-valve piston is arranged inside the purge-valve body to control a flow of exhaust air through the first exhaust passage upon reception of a purge signal. The purge-valve piston comprises a through opening being configured to form a second exhaust passage for connecting the inlet line to the outlet line. A valve member is arranged in the through opening and is configured to control a flow of exhaust air through the second exhaust passage. The valve member is configured to be actuated by pressurized air when a pressure value in the inlet line exceeds a threshold actuation pressure.

The present invention provides a sealing plate (2) movable in a plane (P) between a sealing position for blocking the flow of a fluid and a flow position for allowing the flow of said fluid; a body (5) including a first half (6) and a second half (7) respectively arranged on either side of said plane (P); a clamping / disengaging system (10) for clamping and disengaging at least one clamping element (11) relative to said sealing plate (2); The present invention relates to an in-line sealing device (1) including: According to the present invention, the clamping / separating system (10) includes a first thrust ring (13), a second thrust ring (14), and at least one assembly (15) elastically deformable by compression, the assembly (15) including a coil spring (16) and a guide shaft (17), the at least one assembly (15) being disposed between the first thrust ring (13) and the second thrust ring (14).

To prevent a gear side end part of a coil spring from being completely detached from a gear side spring locking part in the middle of assembling to a rotating member.SOLUTION: One embodiment is a throttle device including a rotating member coupled to a throttle shaft and rotated by a drive source, and a coil spring interposed between a throttle body and the rotating member and biasing a throttle valve toward a default position. The coil spring has a first spring portion, a second spring portion, and an intermediate hook connecting the first and second spring portions. The intermediate hook can be engaged with a first stopper provided on the rotating member and a second stopper provided on the throttle body, the rotating member has a holding hole at least partially surrounding the first end portion of the first spring portion locked to the first spring locking portion, the first spring locking portion has a locking groove, and the first end portion is fitted to the locking groove.SELECTED DRAWING: Figure 15

The air suspension rigidity electromagnetic valve comprises a valve body, a valve element and an electromagnetic driving assembly, the valve element can be axially and movably installed in the valve body, a conical valve seat is arranged at the bottom in the valve body, an exhaust port is formed in the side wall of the valve body, the conical valve seat is communicated with a plurality of air inlets, a first through hole is formed in a yoke, and a second through hole is formed in the yoke. A coil assembly is arranged in the first through hole, a magnetic circuit optimization structure is arranged on the outer surface of the stop iron and comprises a groove and / or a spiral groove, the armature and the auxiliary stop iron are arranged in a first step of the stop iron, a film is arranged between the armature and the inner wall of the first step, the ejector rod penetrates through an inner hole of the auxiliary stop iron, and one end of the ejector rod is connected with the armature. The ejector rod is sleeved with a spring, one end of the valve element is connected with the third step of the auxiliary stop iron in a matched mode, and the end face of the other end of the valve element is wrapped with a sealing gasket in a plastic mode and forms a sealing face. The electromagnetic performance and reliability are remarkably improved, the service life is remarkably prolonged, and meanwhile the process difficulty and cost are reduced.

A valve device for a vibration damper comprises at least one valve drive which includes at least one coil, at least one ferromagnetic armature which can be actuated by the coil, and at least one housing part, in particular a pole tube, wherein the armature and the housing part have a common longitudinal axis, and the armature is arranged axially displaceably in the housing part, wherein the armature is adapted to interact with a valve slide of the valve device for throughflow control and / or for pressure control of the damper fluid. The valve device comprises at least one preloading element which is fastened in and / or to the housing part, and at least one spring element which is supported on the preloading element and interacts with the armature in such a way that, upon actuation of the armature, the spring element applies a spring force counter to a displacement direction of the armature or in a displacement direction of the armature.

A valve capable of maintaining a stable fixed state between a retainer and a casing for a long period of time and a method of assembling the valve are provided. A valve 1 includes: a casing 21; a valve body 22 that is operable inside the casing 21; a biasing member 29 that biases the valve body 22; and a retainer 23 that holds the biasing member 29, wherein the retainer 23 is provided with a flange portion 23d caulked and fixed to the casing 21 by a caulking end 21c provided at one axial end of the casing 21, and wherein an elastic member 200 is sandwiched between the flange portion 23d and the casing 21 to be axially elastically deformable.

A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.

Embodiments of this application relate to the technical field of power batteries, and disclose a two-way vent valve, a battery, and an electrical device. The two-way vent valve includes: a valve seat, where the valve seat is configured to form a gas duct, and the gas duct includes a first end and a second end; a two-way valve assembly, where the two-way valve assembly is movably disposed in the gas duct, and is configured to open or close the gas duct through movement relative to the gas duct; and a first elastic component, configured to exert a force on the two-way valve assembly to close the air duct, and, when an air pressure difference between the first end and the second end of the gas duct is greater than a first threshold, the two-way valve assembly is configured to overcome the force of the first elastic component to open the gas duct. In this way, the two-way vent valve according to the embodiments of this application implements two-way controllable exchange of gas between the two ends of the valve. When being used in a battery or a device that uses the battery, the two-way vent valve can reduce the impact caused by moisture outside the battery and reduce risks of condensation.

A check valve comprising a valve body including a body housing including an outer circumferential wall extending between an inlet port and an outlet port to define a valve cavity therebetween. The check valve further includes an annular valve seat insert seated in a body seat surface surrounding the inlet port and a bushing disposed in the valve cavity and defining a central bore, the bushing including an outboard end surface in axial engagement with the valve seat insert. A valve element extends through the bushing central bore and movable between a closed position in which the valve element seals against the valve seat insert to prevent flow between the inlet port and the outlet port, and an open position in which fluid flow is permitted from the inlet port to the outlet port. The body seat surface and the bushing outboard end surface together define an annular seal cavity sized to retain the valve seat insert, and the annular seal cavity is partially defined by a tapered portion of the body seat surface and a radial portion of the body seat surface opposite the bushing outboard end surface.

This valve device includes: a housing including a valve port located on one side in an axial direction and through which gas flows, and a valve chamber connected to the valve port; a guide disposed in the valve chamber and including a guide body that is cylindrical and a plurality of supports that extend outward from an outer peripheral surface of the guide body and abut an inner peripheral surface of the valve chamber; and a valve body inserted into the guide body and configured to open and close the valve port. One end of the guide body is spaced apart from the housing in the axial direction.

A flow restrictor valve (600). The flow restrictor valve comprising: a plunger (610) configured to be held in an open position by a compression spring (620). The open position configured to allow a liquid or gas to flow through the flow restrictor valve (600) and a closed position in which a flow of the liquid or gas generates a velocity sufficient to cause the compression spring (620) to compress and engage an outer edge (676) of the plunger (610) with a seat (650) of a retaining member (603) to restrict the flow of the liquid or gas through the flow restrictor valve (600).

This invention relates to apparatus, systems, and methods for a valve assembly (140) for a medical device (100). The valve (300) has a cap (302), a rod (308) movable within a valve body (330), and a spring member (306) between the cap and the valve body to move the valve within the valve body. The valve rod (308) and / or the spring member (306) are made of a biodegradable material, which may be a metal. The biodegradable material has a higher degradation rate than conventional metal valve components to reduce the environmental impact of valve disposal.

The invention relates to a valve device for a fuel tank, comprising a housing having a tank connection for connecting the valve device to a discharge line to or from a fuel tank and a filter connection for connecting the valve device to a discharge line to or from an activated carbon filter, the tank connection and the filter connection being in fluid communication with one another within the housing via a discharge channel, a valve arranged within the housing for opening and at least partially closing the discharge channel, the valve having a valve element mounted so as to be movable within the housing along a longitudinal axis of the housing between an open position and a closed position, an actuating element accessible from outside the valve device, which is mounted so as to be movable within the housing along the longitudinal axis and is coupled to the movement of the valve element such that a movement of the actuating element in a closing direction causes a movement of the valve element in the closing direction, a valve element return element designed to move the valve element in an opening direction, and arranged between the valve element and the housing outside the discharge channel.

The pilot type atmosphere relief valve is characterized by further comprising a self-tightening sealing ring which is arranged among a valve cover, a valve body and a valve cover pressing plate and is self-adaptive according to pressure; an inclined face is arranged on one side of the lower end of the self-tightening sealing ring in an inclined mode, and an inclined face matched with the inclined face is arranged on the valve cover. The self-tightening sealing ring is additionally arranged among the valve cover, the valve body and the valve cover pressing plate, when upward pressure is exerted on the valve cover by a medium, the valve cover exerts extrusion force on the self-tightening sealing ring through cooperation of the inclined faces, the self-tightening sealing ring deforms after being pressed to be tightly attached to the valve cover, the valve body and the valve cover pressing plate, and therefore the valve cover is tightly pressed. And the self-tightening sealing ring is a graphite ring, so that the self-tightening sealing ring is convenient to disassemble and assemble by means of the self-lubricating property of the graphite ring, and the problem of jamming is not easy to occur.

The invention relates to a non-return valve (10) for a H2 high-pressure system (100), in particular for a dispenser (110) of the H2 high-pressure system (100), wherein the non-return valve (10) comprises a main body (20) having an inlet interface (22) for connecting the non-return valve (10) with a refueling infrastructure (150) and an outlet interface (24) for connecting the non-return valve (10) with a high-pressure system (100), wherein the main body (20) comprises a flow channel (26) interconnecting the inlet interface (22) and the outlet interface (24) for fluid exchange, wherein a piston (30) is arranged in the main body (20) and movable between an open position and a closed position to open and close the flow channel (26) relative to a sealing seat (28) of the main body (20), wherein the flow channel (26) is arranged at least partially around the piston (30); a piston holder (32) with a piston spring (34), wherein the piston holder (32) and the piston spring (34) are arranged at least partially within the piston, wherein the piston spring (34) is configured for pressing the piston (30) into the closed position, wherein the piston holder (32) is fixed on the inside of the main body (20).

According to the component structure with the guiding and flow limiting functions, a supporting seat in a valve body is provided with a guiding valve mechanism composed of a flow guiding nut, a water sealing pad, a kinetic energy membrane, a guide hole pressing screw rod and a pressing spring, and a plurality of flow guiding grooves are evenly formed in the circumferential side of an annular flange of the flow guiding nut; a plurality of guide rib columns are further uniformly distributed on the lower side of the annular flange, and the flow guide grooves can further buffer instant impact pressure generated when fluid flows through the circular water sealing opening from the water inlet cavity when the flow guide nut moves downwards to close the circular water sealing opening, so that the flow guide nut descends to achieve the further slow descending effect; therefore, the occurrence of a water hammer effect is greatly slowed down or balanced; meanwhile, in the moving process of the flow guide nut, the guide rib columns can be kept movably connected with the inner wall of the circular water sealing opening in a matched mode, the auxiliary guiding effect on the movement of the flow guide nut is achieved, shaking caused by the fact that the flow guide nut shifts in the axial movement direction can be prevented, and the movement stability of the flow guide nut is guaranteed.

The present invention relates to an in-line seal (1) comprising: • a sealing plate (2) movable in a plane (P) between a sealing position stopping a fluid flow and a flow position allowing the fluid flow; • a body (5) comprising a first half-body (6) and a second half-body (7) arranged respectively on either side of the plane (P); and • a clamping / separating system (10) for clamping, and conversely, for separating at least one clamping piece (11) with respect to the sealing plate (2). According to the invention, the clamping / separating system (10) comprises a first thrust ring (13), a second thrust ring (14), at least one assembly (15) that is elastically deformable by compressing comprising a helical spring (16) and a guide shaft (17), the at least one assembly (15) being arranged between the first thrust ring (13) and the second thrust ring (14).

The invention relates to the technical field of gate valves, and discloses a vacuum gate valve which comprises a valve body, a fixing frame, a supporting frame, a valve plate, an opening assembly and a driving mechanism. The fixing frame is arranged in the valve body, the supporting frame is movably connected into the fixing frame, and the valve plates are connected to the two sides of the fixing frame through elastic pieces. The opening assemblies are fixed to the two sides of the supporting frame and make contact with the valve plates, the valve plates are provided with first positions and second positions which are distributed up and down, the distance L1 between the two opposite first positions is larger than the distance L2 between the two opposite second positions, and when the supporting frame moves downwards, the opening assemblies move to the second positions from the first positions to gradually open the two valve plates; when the supporting frame moves upwards, the opening assembly returns to the first position from the second position, the valve plate retracts under the action of the elastic piece, and when the opening assembly is located at the second position, the supporting frame can drive the fixing frame to move upwards together. The structure is simple, and the valve body is convenient to open and close.

This ensures that the pressure equalization port functions reliably, resulting in a check valve with a good valve closing response. [Solution] A check valve comprising a cylindrical valve body 12 having an inlet 15 at one end and a bottom wall 14 at the other end, with an outlet 16 in the circumferential wall 13, and a valve element 18 housed within the valve body so as to be movable in the axial direction of the valve body and movable between a closed position in which it abuts against a valve seat 15a formed in the inlet to close the inlet, and an open position in which it is separated from the valve seat to open the inlet, wherein the circumferential wall or bottom wall is provided with a plurality of pressure equalization holes 17 arranged at positions spaced apart from each other in the circumferential direction, allowing fluid to flow from outside the valve body to the back side of the valve element when the valve is closed. Preferably, the check valve has three or more pressure equalization holes, and the pressure equalization holes are formed such that at least one pressure equalization hole is positioned higher than the central axis in any rotational state when the check valve is rotated 360° around the central axis of the valve body.