Abstract: A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and an axial flow passage in communication with the inlet end and the outlet end of the fluid passage. A valve stem is pivotally mounted at a stem pivot spaced radially from the fluid passage. The valve stem is actuable to slide the sleeve between an open position with the downstream end spaced from the valve seat and a closed position with the downstream end borne against the valve seat to selectively control fluid flow through the flow passage to the outlet end.

Abstract: A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and an axial flow passage in communication with the inlet end and the outlet end of the fluid passage. A valve stem is pivotally mounted at a stem pivot spaced radially from the fluid passage. The valve stem is actuable to slide the sleeve between an open position with the downstream end spaced from the valve seat and a closed position with the downstream end borne against the valve seat to selectively control fluid flow through the flow passage to the outlet end.

Abstract: A severe service control valve is disclosed and which comprises a valve body having an inlet, an outlet, and a flow passage extending between the inlet and the outlet, an elongated valve contour disposed within the valve body, a tubular valve sleeve disposed within the valve body and having an end sized to be received over the valve contour, the valve sleeve having a sidewall surrounding a bore, an outer surface and an inner surface, with at least a portion of the bore disposed along the flow passage. The valve sleeve is shiftably mounted within the valve body for movement between a first position and a second position, the valve sleeve cooperating with the valve contour to close the flow passage when the valve sleeve is in the first position.

Abstract: A water outlet valve structure for a water bag mouthpiece, which includes a mouthpiece, a threaded base disposed on one end of said mouthpiece, a blocking member disposed at one end of said threaded base, and a sleeve base disposed at one end of said blocking member; wherein said blocking member having a push bottom on one side, such that the sleeve base can displace when operating the push bottom from the outside in order to control the water releasing and water stopping functions. By means of the above structure, the user can easily use the mouthpiece to drink water from the water bag, and the mouthpiece can be fixed onto the water outlet valve more securely.

Abstract: A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and an axial flow passage in communication with the inlet end and the outlet end of the fluid passage. A valve stem is pivotally mounted at a stem pivot spaced radially from the fluid passage. The valve stem is actuable to slide the sleeve between an open position with the downstream end spaced from the valve seat and a closed position with the downstream end borne against the valve seat to selectively control fluid flow through the flow passage to the outlet end.

Abstract: A load bearing valve body has an annular collector groove supplied by radial ports connected to an inlet in the end of the valve body. An annular sleeve type armature has a plurality of arcuate slots located thereon to axially valve the collector groove upon solenoid energization.

Abstract: A downhole choke in the form of a sliding sleeve valve operable in a plurality of positions including fully open, fully closed, and positions in between, is disclosed. It features a hydraulic control system that, in one embodiment, provides the motive force to move the sliding sleeve a predetermined amount for a given applied control pressure. Further increments in applied pressure result in further predetermined movements of the sliding sleeve. In another embodiment, the sliding sleeve lands in a series of grooves in the surrounding housing depending on the degree of pressure applied to the control system.

Abstract: An improved water outlet valve structure of a water bag mouthpiece, which includes: a nozzle which is composed of a supporting frame and a soft suction portion wrapping around the supporting frame; a threaded base which has a base, a threaded connecting section extended from one end of the base, and a connecting section extended from the other end of the base; an extended section coupled to the connecting section and disposed on one end of said mouthpiece; a sleeve with notches provided around its periphery; an annular section disposed in said sleeve; and a receiving section which is mounted in-between said connecting section and said extended section of the threaded connecting section. By means of the above structures, a user can easily operate the functions of water releasing and water stopping via the mouthpiece of the water bag and the present invention can be securely fixed to the duct of the water bag for the user's convenience.

Abstract: A safety valve has a lock open feature that is actuated by expanding or penetrating the flow tube to disconnect the link between the piston in the hydraulic control system and the flow tube. In normal operation, downward movement of the piston moves the flow tube against a power spring. When the flow tube is expanded, penetrated, or otherwise altered, the piston no longer acts on the flow tube and the flow tube can be simply pushed down and locked in position with the flapper wide open.

Abstract: A sleeve valve (3) for fluid flow between a hydrocarbon reservoir (4) and a well (5) comprises a first sleeve (2, 102) and a second sleeve (7, 107) which are relatively movable between a first positions in which at least one opening (1, 101) in the first sleeve (2, 102) is aligned or misaligned with at least one opening (8, 108) in the second sleeve in order to admit or shut off the fluid flow. The first sleeve (2, 102) is provided with a radially (R) movable sealing element (9) that has a sealing surface (11) adapted to rest against the second sleeve (7, 107) around the second sleeve opening (8, 108), and at least one tension element (60, 61, 62, 70) presses the sealing element (9) with its sealing surface (11) against the second sleeve (7, 107).

Abstract: The present invention provides for dynamic sealing in a flow control device. In an embodiment, the flow control device comprises a closure sleeve adapted to slide over the tubing hole. The closure sleeve has a front edge having a wave-like surface. One or more seals are mounted downstream of the tubing hole. The one or more seals cooperate in a fluid-tight manner with the closure sleeve. A protective sleeve is mounted in alignment with the closure sleeve and proximate to the one or more seals. The protective sleeve has a top edge adapted for mating engagement with the wave-like surface of the front edge of the closure sleeve. A return mechanism is provided for automatically returning the protective sleeve to a covering position in which the protective sleeve covers the first seal when the first seal is not covered by the closure sleeve.

Abstract: A valve for controlling fluid flow. The valve include a support element providing a flow path, at least a portion of the flow path extending along an axis of flow through the valve. A flexible element is compressible against the support element to interrupt the flow path and restrict fluid flow through the valve. An actuating element is movable along the axis of flow to engage and deform the flexible element against the support element.

Abstract: A mouthpiece for a hydration system designed for drinking liquids from that system. The mouthpiece comprises a body having an internal conduit passing through it, the internal conduit having a broad portion provided with a broad opening and a narrow portion provided with a narrow opening, a piston member having a distal portion and a proximal portion, the piston member provided with a passageway passing through it, the passageway having a first opening at the proximal portion and a second opening between the proximal portion and the distal portion. At least a portion of the piston member is inserted in the conduit fitting inside the broad portion while the distal portion of the piston member is adapted to fit inside the narrow portion. The piston member is adapted to coaxially move within the body. The mouthpiece further provided with an O-ring closely encircling the distal portion of the piston member.

Abstract: A three piece, sliding ring valve for use in a plasticating screw and barrel arrangement has an extended life. The sliding ring has apertures for passing molten resin therethrough. The sliding ring also has annular contact surfaces for spreading the force driving the screw, thereby decreasing the pressure between the sliding ring and the valve retainer. The result is less valve wear and longer life.

Abstract: Apparatus for treating water utilizes a single flow control valve that has only one moving part to divert treated water from several water treatment units to backwash another water treatment unit.

Abstract: A sleeve valve device for fluid flow between a hydrocarbon reservoir and a well in the hydrocarbon reservoir comprises a fixed outer sleeve (1) and an inner sleeve (2) which is rotatable in order to bring apertures (3, 4) in the outer sleeve and the inner sleeve into and out of correspondence with each other, for adjustment of the fluid flow through the apertures. The inner sleeve comprises at least one external bulb (5) with a surface (6) which, in an unassembled, unloaded condition of the outer sleeve (1) and the inner sleeve (2), is at a distance (11) from the inner sleeve's centre line (9) which is greater than the outer sleeve's internal radius (r2).

Abstract: According to one embodiment of the invention, a combination air vent/probe port includes an outer body adapted to couple to a conduit, the outer body formed with a longitudinal bore defining an inner wall, the longitudinal bore having a seating surface. The combination air vent/probe port also includes an inner sleeve adapted to adjustably engage the outer body, the inner sleeve having an outer diameter and formed with an inner chamber. Furthermore, a resilient member is disposed within the inner chamber, the resilient member operable to allow a probe to be inserted therethrough when the inner sleeve is adjustably engaged with the outer body and an end of the inner sleeve is engaged with the seating surface.

Abstract: A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and an axial flow passage in communication with the inlet end and the outlet end of the fluid passage. A valve stem is pivotally mounted at a stem pivot spaced radially from the fluid passage. The valve stem is actuable to slide the sleeve between an open position with the downstream end spaced from the valve seat and a closed position with the downstream end borne against the valve seat to selectively control fluid flow through the flow passage to the outlet end.

Abstract: A three piece, sliding ring valve for use in a plasticating screw and barrel arrangement has an extended life. The sliding ring has apertures for passing molten resin therethrough. The sliding ring also has annular contact surfaces for spreading the force driving the screw, thereby decreasing the pressure between the sliding ring and the valve retainer. The result is less valve wear and longer life.

Abstract: A coaxial valve includes an actuating drive, a valve housing (11), a valve sleeve (12) that is longitudinally slidable in the valve housing (11) between open and closed positions, and a closing body (13) arranged coaxially at one end of the valve sleeve (12). In the closed position, the valve sleeve seals against the closing body. In the open position, the valve sleeve is spaced from the closing body, to open a valve opening cross-section (V). The actuating drive includes an electric servomotor (21) with a linear actuator (22), and a transmission mechanism (30) for transmitting the linear movement of the actuator to the valve sleeve. The transmission mechanism includes a rocker lever with a first end articulately connected to the linear actuator, a second end articulately connected to the valve housing, and a middle section articulately connected to the valve sleeve.

Abstract: A compact automatic valve has a cylindrical body with a sleeve inserted to move in the cylindrical body in the axial direction. A first diaphragm, having an annular joint section and an annular protrusion arranged in the outer circumferential section, is joined to one end of the sleeve. A second diaphragm, having an annular joint section and an annular protrusion arranged in the outer circumferential section, is joined to the other end of the sleeve. A first cylindrical diaphragm presser, joined to one end of the cylindrical body, presses the annular protrusion of the first diaphragm and a second cylindrical diaphragm presser, joined to the other end of the cylindrical body, presses the annular protrusion of the second diaphragm. Both the first cylindrical diaphragm presser and the second cylindrical diaphragm presser have a fluid communicating port.

Abstract: A flow rate control device (18) placed at the bottom of an oil well in production comprises holes (24) formed in the production tubing (16), a closure sleeve (26) suitable for sliding over the holes (24) for controlling the flow rate, and a protective sleeve (34). The protective sleeve (34) is urged by a return spring (36) into a position in which it covers a sealing gasket (32). During closure of the device (18), the two sleeves come into edge-to-edge abutment and the closure sleeve (26) pushes the protective sleeve (34) back against the return spring (36). The sealing gasket (32) is never in direct contact with the fluid in the well. Preferably, the closure sleeve (26) is mounted on the outside of the production tubing (16).

Abstract: An adjusting device for a pneumatic drive, particularly a pneumatic drive of a medical or dental instrument, for example, a handpiece or angle piece, which delivers its energy by vibration and in which the vibrations are produced by a pneumatic drive, wherein an air flow is controlled by having an air supply line and an air discharge line end at a distance from each other at a surface and by providing a counter-surface which is movable relative to the surface and, which, in dependence of its position relative to the surface, forms a flow path with a defined flow resistance between the air supply line and the air discharge line.

Abstract: A solenoid actuated valve includes a valve body and a sleeve armature slidably mounted on the valve body for movement between a flow preventing position and positions away from the flow preventing position. In one embodiment, the sleeve armature and the valve body are configured and arranged to define flow diverters in fluid flow paths to provide flow balance. The movement of the sleeve armature between closed and open positions is controlled by first and second solenoid coils, and, the sleeve armature is maintained in the position to which it has been driven by residual magnetism. In another embodiment, a solenoid actuated valve includes a bias structure for urging the sleeve armature toward the closed position. The solenoid actuated fluid flow control valve is described with reference to an application for inflating inflatable restraints for an occupant of a vehicle.

Abstract: The present invention relates to a spray device which comprises a nozzle for ejecting a jet of fluid. According to the invention, the spray device comprises a nozzle holder which is adapted to be gripped manually when using the spray device and which is movable relative to the nozzle essentially in parallel with the direction of the jet of fluid. The spray device further comprises a valve which is connected in front of the nozzle and is adapted to open when moving the nozzle holder in the direction of the jet of fluid relative to the nozzle. The nozzle is biased in the direction of the jet of fluid relative to the nozzle holder and the relative position of the nozzle holder to the nozzle is affected by the reaction power of the jet of fluid.

Abstract: A hydrant valve assembly including a spool member having at least one spool seal which is at times under extremely high pressure tending to cause the seal to be displaced from an associated recess, the spool member forming venting passages in the seal recess to alleviate seal pressure, the invention also including a new wet pipe design and a new collar design.

Abstract: A Sleeve Valve for regulating the water level in ponds, lagoons and other wetlands which includes an outer tubular section of plastic pipe with a plurality of vertically spaced openings and an inner tubular section of plastic pipe that is disposed telescopically within, and rotatable relative to, the outer tubular pipe. This inner tubular pipe includes a plurality of vertically spaced openings that are positionally staggered about a circumference and arranged for selective alignment with one of the openings in the outer pipe. Each of the openings in the outer pipe are sealed against the outer wall of the inner pipe until rotation of the inner pipe causes alignment of a selected opening in the outer pipe with a corresponding opening in the inner pipe, thereby allowing water to pass only through such corresponding aligned openings. The water level is regulated by selecting and aligning corresponding openings in the outer and inner pipes at the water level desired.

Abstract: A safety relief valve assembly for use in a fluid displacement apparatus of an automotive air conditioning system includes a valve mechanism which releases gas when the pressure in the fluid displacement apparatus increases above a predetermined pressure level. A control device is detachably mounted on the valve mechanism to direct the flow of the gas in a predetermined direction. An elastic member is forcibly disposed between the valve mechanism and the control device. The elastic member has a groove facing the valve mechanism. The groove and the valve mechanism collectively form a passage for directing excessively pressurized gas away from the hot components in the vehicle engine compartment.

Abstract: A combination carrying handle and control valve for firefighting apparatus suspends a portable reservoir. A handle is formed by a tubular wall having an inlet end and an outlet end and forming a flow passage between the ends; and a coupling is fastened to the inlet end and another coupling is fastened to the outlet end for connecting the handle to a source of liquid under pressure and to an accessory, respectively. A manually operated flow control valve is mounted in the handle for controlling the flow of liquid. The handle is part of a tank that may contain a liquid additive, and an eductor is connected between the flow passage and the tank interior for drawing the additive from the tank.

Abstract: A valve has an elongated body open-ended, with a bore with a center line extending from one end of the body to the other. The bore is interrupted by a fluid tight partition, on both sides of which, ports extend through the wall of the body. An elliptical seat is formed on the outer surface of the body between the ports, the seat or channel being diagonal as viewed in side elevation with respect to the bore center line. A sleeve is rotatably mounted on the body. The sleeve has a smoothly cylindrical bore extending from an inlet end to a diagonal, radially outwardly extending annular shelf, between the first cylindrical bore and a second bore that is radially larger than the first bore. Channel-defining ribs extend parallel to the center line, from the shelf to a point short of the outlet end of the sleeve. The ribs have a radially inner face formed on the same radius as or slightly larger radius than the first bore.

Abstract: A plug assembly (2) which can be used in a drain, sink or bath (5). The plug (2) is of the pop up type being spring biassed into an open position. The plug (2) includes inter-engaging means for engagement of the plug (2) with a waste pipe (3) and means to permit the movement of the plug (2) relative to the pipe (3), both of which are circumferentially situated so that there is no impediment to fluid moving through the plug (2) and into the pipe (3). The means to bias the plug (2) to the open position includes a spring (18) which is arranged between the exterior of the plug (2) side and the interior of the waste pipe (3), and shoulders (6, 19) formed in each, such that said fluid flowing through the pipe (3) does not contact the spring (18). The plug (2) can be manually operated or operated remotely.

Abstract: A laparoscopic cannula gasket apparatus for sealing around an instrument within a cannula includes a first member having an internal passageway, an elastic sleeve member within the passageway, a structure for securing a first segment of the sleeve member to the passageway, a second member rotatably connected to the first member, a structure for securing a second segment of the sleeve member to the second member, the first and second segments of the sleeve member being spaced apart so that a portion of the sleeve member extends between the first and second segments, such that rotating the second member relative to the first member stretches the portion of the sleeve member between the first and second segments to progressively form an annular diaphragm extending radially inward from the passageway to make sealing contact with the instrument.

Abstract: An apparatus and method for producing through a casing without perforation are disclosed. The casing can be rotated while it is cemented and includes a multiplicity of sliding sleeve valves. Each of the valves selectively covers a plurality of pistons, each of which preferably has a rupture disc mounted therein. A pressure-regulating device is provided in association with each rupture disc to ensure retention of sufficient internal pressure in the tubing such that all discs eventually burst without any short circuiting through the discs which ruptured earlier. The outward movement of the pistons acts to assist in fracturing the formation. Thereafter, the pressure used to rupture the discs aids in further channeling the fluid energy of the fluid rupturing the discs, as well as putting additional pressure on the movable pistons to further stress fracture the formation.As the piston is pumped outward, the grease that is held captive within the piston assembly is forced outward through a bladder.

Abstract: A valve assembly for controlling fluid flow to a tube connected to the assembly by shifting of a sleeve mounted on the assembly. When the sleeve is shifted into a shutoff position, a fluid path through the assembly is completely occluded by a closure element in the sleeve. As the sleeve is rotated away from its shutoff position, the fluid path is gradually opened.

Abstract: A flow control device including a body having an annular flange formed in a middle portion, a pair of sealing rings engaged on the body, two apertures formed in the body and located between the sealing rings, a plug and a spring received between the annular flange and a coupler, and a sleeve threadedly engaged on the body and a gap formed between the sleeve and the body, fluid flowing from the coupler may flow through one aperture and the gap and the other aperture and may flow into the other end of the body, and the plug will be pushed against the spring when the fluid flows into the body from the other end of the body such that the fluid may flow through the bore of the body and may flow out of the coupler.

Abstract: A lockable sprayer shutoff valve has a housing and an upstream hose insert which is slip-fit into the upstream end of a slidably mounted valve sleeve. An O-ring seal is provided between the hose insert and the valve sleeve. The downstream end of the valve sleeve is slip-fit with an O-ring seal over the upstream end of a tubular wand sleeve supported in the downstream end of the housing. A valve plug is generally centered in the valve sleeve for sealing contact with the downstream end of the hose insert when the valve sleeve is in a closed position. When the valve is in the open position fluid is allowed to flow through the hose insert, around the valve plug through slot openings which circumscribe the plug, through the valve sleeve and through the wand sleeve. At least one locking finger is provided on the valve housing. The locking finger can be positioned to interfere with the sliding movement of the valve sleeve and thereby lock the valve sleeve in either the open or closed position.

Abstract: A nozzle shut-off valve for the plastication system of an injection molding machine. The valve includes a cylindrical body member that has axially spaced inlet and outlet passageways. Inclined passageways that extend from the inlet and outlet passageways to the outer surface of the body member to terminate in spaced openings on the periphery of the inner body member. A tubular outer member is provided with at least one recess or depression on its inner surface, the recess having a length sufficient to provide communication between a pair of the spaced peripheral openings in the inner body member when the recess is positioned in overlying relationship with the respective openings. Rotation or translation of the tubular outer member relative to the inner body member shifts the recess out of registration with the respective peripheral openings, to thereby prevent flow of material through the valve.

Abstract: A device for the injection of a plastic material in a mold having an injection head with an injection face designed to be placed in contact with the mold feeder channel. The injection head has an injection chamber supplied with plastic material by a feeder conduit. The plastic material is injected from the injection chamber to the mold feeder channel by means of a clack-valve system. The device also has a support for the injection head and an injection rod.

Abstract: A metering regulator for air tools which includes a ported sleeve adjustable to control the volume of air flowing therethrough while simultaneously controlling the shut-off pressure of the air tool by adjusting the biasing force exerted on a differential pressure actuated pressure regulating member.

Abstract: A nozzle for a sprayer having a spray body, including a nozzle body formed with a delivery hole communicating with the spray body, a sealing member fitted around the nozzle body axially rearwardly of the delivery hole, and a cap member axially retractably mounted on the nozzle body and formed, at its front face and at its outer periphery, with a spray opening and a discharge opening, respectively. A cover member with a central outlet hole is mounted on the cap member.

Abstract: A valve assembly for a sphygmomanometer controls the inflation and deflation of a pressure cuff. The valve assembly includes an inlet connectable to a fluid pressure source such as a bellows, an outlet which is connectable to a blood pressure cuff, an inlet directional control which actively prevents the flow of fluid from the outlet to the inlet, axial passages which connect the inlet to the outlet, and means for slowly and fixedly or rapidly releasing pressure. The valve assembly may be set to one of three positively located positions: a cuff inflation position, a metered deflation position, or a fast vent position. In the cuff inflation position, fluid pressure delivered to the valve assembly's inlet passes through an inlet directional control to the valve assembly's outlet and on to the pressure cuff which becomes inflated.

Abstract: A fluid supply system has a plastics bag reservoir into which the other parts of the system may be packed. The other parts of the system include a flow pipe, a connector to connect the pipe to a wall of the reservoir and fluid supply outlet drip-valves. The connector may be in two or three parts and may be arranged to puncture a hole in the reservoir wall and grip the wall as the parts of the connector are interengaged. Each drip-valve is adjustable to vary the amount of fluid supplied from the reservoir to a grow-bag.

Abstract: A coupling head for pressure medium lines of pressure medium break units in vehicles. The coupling head has a valve body which is fixedly disposed in a main body of the coupling head. During the connection of the coupling head with a cooperating coupling head, the actuating member is moved, whereby the valve of the coupling head is opened for the passage of pressure medium. In the closure position, the actuating member rests against an abutment, in the vicinity of which is fixedly disposed a sealing element, at least a portion of the periphery of which is braced against transverse deformation. Due to the fixed valve body, the coupling head has a structurally simple design and can be easily assembled. A sealing element acts as a static seal, and is subjected to only slight wear. Due to the fact that the sealing element is braced against transverse deformation, an unduly or unacceptably great deformation of the sealing element is reliably prevented.

Abstract: A hand-operated sprayer has a spray head for attachment to a container for liquid. The spray head includes a manually-operable valve for controlling the discharge of liquid from an inlet in the head to a discharge nozzle. The sprayer includes a spring urging the valve into a closed position and a manually-operable member mounted on the head, which can be moved against the spring-loading to urge the valve into an open position. The valve comprises a spool having a passage providing communication between the inlet and the discharge nozzle, and the spray head valve spool-valve spool bore assembly has a radial inlet port located between a fixed, valve spool seating component, and an annular valve spool seal component which prevents external leakage.

Abstract: Fluid coupling devices are disclosed for use in receptacles such as receptacles on surgical aspiration equipment for selectively connecting a fluid conduit in the receptacle with a flow passage formed through a coupling device. The coupling devices in accordance with the invention comprise a spindle member which is non-rotatably held in the receptacle and a body member rotatably mounted on the spindle member for movement between an open position in which communication is established between the flow conduit in the receptacle and the flow passage in the coupling device, and a closed position disconnecting the conduit from the flow passage. The body member has a cam insert member with a through bore for connecting the flow conduit with the flow passage.

Abstract: A shut-off valve for a sprayer which includes an O-ring seal circumscribing the valve stem and serving the dual function of a packing seal between the stem and valve housing at all times as well as preventing fluid flow through the valve when the stem is in its closed position.

Abstract: A thermo-electric valve for scuttling floating devices comprising, a cyliical sleeve affixed to and passing through a bulkhead separating a pressurized medium on one side from a lower pressure space on the other side, a piston moveably mounted within the sleeve bore and exposed to the pressurized medium having a portion thereof blocking the sleeve bore, an O-ring sealing the gap between the piston head and the sleeve bore, a fully compressed spring pressing against the piston, a rigid dielectric washer and a low power resistor holding the piston against the spring. In operation a low current is passed through the resistor, disintegrating it which releases the spring's stored energy. This actuates the valve by expelling the piston which allows the pressurized fluid or gas to enter the lower pressure space.

Abstract: A shock absorber for providing a linear decelerating force to a machine part by means of a piston which forces fluid through a series of orifices formed by co-action of holes in the piston cylinder and holes formed in a sleeve forming a metering tube which fits over the cylinder. An infinite number of adjustments in the shock absorber characteristics is achieved by moving the holes in the metering tubes in orbital pattern relative to the holes in the cylinders.

Abstract: A control component such as a valve or throttle member for a hydraulic system comprises an outer member, and a body portion disposed in the outer member and having an outside surface co-operable with an inside surface of the outer member, the outer member and body portion being movable relative to each other. The flow duct extending between the inlet and outlet of the component includes at least one flow passage which opens at the outside surface of the body portion, and the mouth opening of the flow passage communicates with a curved duct portion which extends at an inclined angle relative to a radial plane through the body portion. The flow section of the or each duct portion decreases towards the tip thereof, to provide finely adjustable control of the flow of fluid through the component.

Abstract: An axle wheel end assembly (10) is provided for vehicles having an onboard tire inflation system (12). The wheel end assembly includes a rotary seal assembly (68) defining an annular air chamber (70) which seal assembly is received in a relatively protected inboardly opening annular space (69) defined by an axle spindle surface (66) and an axially inboardly extending sleeve (62) of the hub (42). Open/close valve member (110) is located outboard of the hub flange (50) interposed the fluid connections between the annular air chamber (70) and the opening (120) to the tire rim (122) for isolating the interior of the tire rim from the inflation system for storage and/or steady state driving conditions.