Entries |
Document | Title | Date |
20080197313 | Single piece actuator housing - An actuator housing including an elongated body having a flange, an end portion and a sealing portion, wherein the elongated body, including the flange, the end portion and the sealing portion, is formed from a single and continuous piece of material. | 08-21-2008 |
20080237524 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - A valve for an anti-lock brake system is capable of reducing the cost of production through structural improvement of a valve housing. The valve includes a valve core, an armature located below the valve core and having a ball, a cylindrical sleeve coupled to the valve core and armature and guiding the armature to move backward and forward, a first elastic member installed between the valve core and the armature, a valve housing coupled to the sleeve and having a longitudinal hollow space, a seat plunger movably installed in the hollow space and having a first orifice, a second elastic member installed between the seat plunger and the valve housing, a seat having an outlet and a second orifice that communicates with the first orifice, and a seat housing coupled to the valve housing and the seat, supporting the valve housing and the seat spaced apart from each other, and having an inlet between the valve housing and the seat. | 10-02-2008 |
20080283789 | Valve for controlling the flow of fluid - A valve is provided for controlling the flow of fluid through a valve block. The valve block has a fluid inlet port, a fluid outlet port, and a receiving bore for receiving the valve. The receiving bore hydraulically connects the fluid inlet and outlet ports, and has a central axis. The valve comprises a valve seat for placement between the fluid inlet and outlet ports, wherein the valve seat comprises a central axis which coincides with the central axis of the receiving bore, and wherein the valve seat further comprises an upper end overmolded by a valve seat attachment end of a plastic valve housing. The valve also includes a tube which comprises a central axis which coincides with the central axis of the receiving bore, wherein the tube further comprises a lower end overmolded by a tube attachment end of the valve housing. | 11-20-2008 |
20080290309 | Pin Valve Assembly - A pin valve assembly and a method of controlling the flow of fluids comprising a pin block housing pin valves, a fluid plate with a fluid channel for fluidically communicating with the pin valves, and a fitting block housing fittings for fluidic communication with the fluid plate and for fluidic communication with fluidic components. The fluid flow through the channels of the fluid plate are controlled by the fluidic components and the pin valves. | 11-27-2008 |
20080290310 | Valve Device With Safety Mechanism - A valve device ( | 11-27-2008 |
20080302993 | Fluid valve arrangement - A fluid valve arrangement ( | 12-11-2008 |
20090020718 | VALVE PART OF A HYDRAULIC CONTROL VALVE FOR CONTROLLING FLOWS OF PRESSURIZED MEDIUM - A valve part of a hydraulic control valve for controlling flows of pressurized medium is provided, wherein the valve part includes a cylindrical valve housing with a first cylinder casing section extending in the axial direction and a first cylinder base section extending perpendicular to the axial direction, with the sections defining a valve housing hollow space that is open on one side. The first cylinder casing section is provided with a first work connection, a second work connection, and a pressure connection, each of which open into the valve housing hollow space. A cylindrical control piston is held in the valve housing hollow space so that it can move in the axial direction, and has a second cylinder casing section extending in the axial direction and a second cylinder base section extending perpendicular to the axial direction, with these sections defining a control piston hollow space that is open on one side. The second cylinder casing section adjacent to the second cylinder base section is provided with a radial discharge connection opening into the control piston hollow space, and the control piston is constructed such that the work connections can be connected selectively in a fluid conducting manner to the pressure connection and to the discharge connection through axial displacement of the control piston. The valve part is distinguished in that the discharge connection of the control piston includes at least one inclined opening, having a wall direction that assumes an angle of less than 90° to the axial direction. | 01-22-2009 |
20090045369 | Plumbing Fitting - A plumbing fitting which includes an inlet pipe connectable to a water supply pipe and an outlet connectable to an appliance, said fitting also including a valve arranged between said inlet pipe and said outlet, said valve being moveable between a first position in which water can flow from said inlet pipe to said outlet, and a second position in which said inlet pipe is shut off from said outlet, characterised in that in a first configuration of the plumbing fitting the outlet does not protrude beyond the profile of the inlet pipe. | 02-19-2009 |
20090045370 | CONTROLLING VALVE - A controlling valve includes an outer sheet, an end cap and a control valve group. The control valve group is disposed between a flowing bore in the outer sheet and a water bore in the end cap. The controlling water valve is connected with the outlet of a water tube. When the control valve group is pushed upwards, the water bore in the end cap and the flowing bore in the outer sheet are closed in a predetermined sequence, then the water in the tube will not flow out. When the control valve group is pushed downwards, the flowing bore in the outer sheet and the water bore in the end cap are opened, then the water will flow out. When the water is stopped, the occurring positive or negative pressure wave is lowered, and then the vibration and the raspy noise will be avoided. | 02-19-2009 |
20090057593 | Staggered Cylinders in a Valve Gate Apparatus - A valve gate piston assembly, in an injection molding system, is positioned in a staggered arrangement such that one piston assembly overlaps that of another valve gate piston assembly thereby minimizing an overall centerline pitch between said piston assemblies. Such a superposed layout of piston assemblies enables larger diameter pistons to occupy a smaller footprint than would be realized should the same piston assemblies be positioned side by side. The use of relatively larger diameter pistons results in an increased force available, for the same input air pressure, to actuate the pistons and valve stems attached thereto, resulting in a higher valve stem closing force. A staggered piston assembly layout also allows independent air circuits to control each piston separately. A combination of multiple piston assemblies may be configured in such a staggered, overlapping array. | 03-05-2009 |
20090057594 | BLEED VALVE APPARATUS - A valve body has an annular bottom face and an inner circumferential periphery both defining a seat fitting hole, which is coaxial with a sliding hole. A spool is axially movable in the sliding hole. A seat member has an axial end surface and an outer circumferential periphery, which are respectively axially and radially press-fitted to the annular bottom face and the inner circumferential periphery to respectively define an annular seal portion and a cylindrical seal portion therebetween. The seat member has a bleed port for draining fluid from a bleed chamber. The spool has an end surface, which defines a small clearance between the end surface and the seat member when the spool is seated to the seat member for communicating a supply port with the bleed chamber. | 03-05-2009 |
20090057595 | Fluid Pressure Control Device Having a Throttling Element Seal - A fluid flow control device includes a body defining an inlet, an outlet, and a fluid flow path extending from the inlet to the outlet. A valve seat ring is coupled to the body and defines an orifice through which the fluid flow path passes. A cage is also coupled to the body and defines an interior bore, wherein the cage includes at least one passage through which the fluid flow path passes. A throttling element is sized for insertion into the cage interior bore and movable along an axis between open and closed positions. The throttling element defines a sealing surface oriented substantially parallel to the axis. A seal is positioned to engage the sealing surface when the throttling element is substantially in the closed position, thereby to restrict fluid flow through the valve seat ring orifice. | 03-05-2009 |
20090072180 | DOUBLE ACTION DIRECTIONAL FLUID FLOW VALVE - A double action directional fluid flow valve includes a stepped piston connected with a poppet valve and moveable by a controller between open and closed positions by applying a continuous pressure to a small diameter piston face and selectively applying and removing pressure from a large diameter piston face to move the poppet valve between an open position and a closed position. | 03-19-2009 |
20090108225 | VALVE DEVICE AND MANUALLY OPERATED SHUTOFF VALVE DEVICE - In a valve device for selectively opening and closing a flow passage formed to open on a valve seat by a valve body through a resin-made seat, a hollow portion is formed on either one of the valve body and the valve seat and receives the resin-made seat therein, the resin-made seat has a thickness so that the resin-made seat partly protrudes from the hollow portion, and when the valve body is operated to close the flow passage, the resin-made seat is compressed to bring an end surface of the valve body into contact with the valve seat. | 04-30-2009 |
20090146094 | ASSEMBLED STRUCTURE OF VALVE DEVICE, PLUG BODY, AND MANUAL VALVE - A plug body housing | 06-11-2009 |
20090272929 | AXIAL DRAG VALVE WITH INTERNAL HUB ACTUATOR - In accordance with the present invention, there is provided an axial drag control valve which includes an internal disk stack trim and an internal actuator. The fluid inlet and outlet of the valve are disclosed along a common axis, which is further shared with both the plug and the actuator. The plug and actuator move along this particular axis to control the fluid flow rate, pressure, or temperature of the system. The valve actuator may be powered by an operating fluid such as air supplied from an external source. A special, two-part packing with a lantern ring and leak-off port provides protection and safety for the actuator. | 11-05-2009 |
20090278070 | VALVE FOR GAS HEATER - A valve for a gas heater includes an on-off valve for determining supply of a working fluid; and a proportional control valve connected to the on-off valve and controlling a flow rate of the working fluid of which supply has been initiated, wherein the proportional control valve is provided with a body having a passage part through which the working fluid passes and a plunger which is movably installed in the body and open and closes the passage part, and the passage part and the plunger are in linear contact with each other. | 11-12-2009 |
20090283709 | AXIAL DRAG VALVE WITH INTERNAL SLEEVE ACTUATOR - In accordance with the present invention, there is provided an axial drag control valve which includes an internal disk stack trim and an internal actuator. The fluid inlet and outlet of the valve are disclosed along a common axis, which is further shared with the actuator of the valve. The actuator moves along this particular axis to control the fluid flow rate, pressure, or temperature of the system. The valve actuator may be powered by air from an external source. | 11-19-2009 |
20090283710 | Interference fit assembly, a thermal compensation arrangement of an injection valve and method for producing an interference fit assembly - Interference fit assembly ( | 11-19-2009 |
20090302260 | Valve - A valve assembly ( | 12-10-2009 |
20100025614 | Piston valve for diaphragm pump - The present invention relates to an “improved piston valve for diaphragm pump” features that each of water discharge base and water discharge base has a top camber concave surface with orientating hole center and orientating hole center as lowest point respectively; After anchoring anti-backflow plastic gasket into water discharge base, a gap is formed between bottom surface of anti-backflow plastic gasket and top camber concave surface of water discharge base; Likewise, after anchoring each piston slice into each corresponding water inlet port, a gap is formed between bottom surface of piston slice and top camber concave surface of water inlet port; By functions of foregoing gaps, the overall compressing efficiency is substantially enhanced because both sucking forces of anti-backflow plastic gasket and piston slice are further increased by reciprocal actions of piston pusher. | 02-04-2010 |
20100032605 | Closure apparatus for a pressure container, which can be filled with compressed gas, of a cold gas generator - The invention relates to a closure apparatus for a pressure container ( | 02-11-2010 |
20100051849 | CAGE VALVE WITH EROSION CONTROL - A cage valve for reduced erosion at the outlet bore. The valve is of the type having flow trim arranged transverse to the inlet bore and aligned with the outlet bore, the flow trim including a stationary tubular cage and an external cylindrical flow collar slidable along the side wall of the cage to cover or uncover one or more pairs of main flow ports in the cage side wall. The external flow collar is located for movement between a fully closed position wherein each of the main flow ports is fully covered by the external flow collar and a fully open position wherein each of the main flow ports remains partially covered by the external flow collar such that fluid flow from the inlet through each of the main flow ports is directed angularly into the external flow collar, away from the outlet bore, to reduce erosion at the outlet bore. | 03-04-2010 |
20100072410 | ACTUATOR FOR OPERATING VALVES SUCH AS DIAPHRAGM VALVES - An actuator for operating a valve comprises a housing, a cap, a ring and a piston. The housing has a connecting interface for being mounted on the valve. The cap substantially covers a first portion of the housing. Both the cap and the housing define a substantially enclosed space inside the housing. The ring sealably covers a second portion of the housing. The ring is equipped with two ports that are in fluid communication with the enclosed space. The piston is slidably located inside the housing. Advantageously, an actuator assembly may include the actuator as previously described and one bonnet, one of the connecting interfaces of the actuator being connected to the bonnet. The bonnet is adapted to be mounted to a valve body. | 03-25-2010 |
20100140523 | FILLING VALVE APPARATUS FOR A BEVERAGE FILLING MACHINE - A filling valve apparatus for filling a container with a fluid. The apparatus includes a body portion and a stem. A sleeve is disposed over the stem and is removable from the stem and the body portion when the filling valve apparatus is serviced. A seal is mounted to the bottom of the sleeve. At least one component is movably connected to the sleeve and remains connected to the sleeve when the sleeve is removed from the stem and the body portion during the servicing of the filling valve apparatus. Similarly, a valve assembly, having a housing and a movable plunger is removable from the body portion. At least one member is mechanically connected to one of the housing and plunger for creating a unitary valve assembly that remains intact when the valve assembly is removed from the body portion during servicing of the filling valve apparatus. | 06-10-2010 |
20100148108 | Fluid Control Valve - A valve includes a body, a cage, a plug, a stem, a stop ring, and a pilot plug. The cage includes at least one cage port there through allowing fluid communication between the fluid inlet and the fluid outlet. The plug is movable linearly within the cage to allow fluid communication between the fluid inlet and the fluid outlet when the valve is open. The pilot plug is adapted to transfer downward force from the stem to the plug by contacting the stop ring of the plug and thereby urging the plug downward through the cage when the stem moves linearly downward to adjust the valve from the closed position to the open position. In an alternative embodiment, the stem includes a collar adapted to contact the plug and adjust the valve from the closed position to an open position. | 06-17-2010 |
20100181516 | VALVE APPARATUS FOR REGULATING A HEAT EXCHANGE LIQUID - A valve apparatus can be used to select between a cold or a hot coolant for heat exchange, this selection depending on whether an attached heat exchanger is to operate as a cooler or a heater. The apparatus includes a valve housing with first and second chambers formed therein, first inlet and outlet ports for flow of a primary liquid into and out of the first chamber and further ports for flow of coolant at different temperatures through the second chamber. A linear actuator in the housing has a body containing wax and a plastic piston that is movable to an extended position by expansion of the wax. The actuator body is located in the first chamber so the temperature of the wax is dependent on the liquid's temperature in the first chamber. An end portion of the actuator adjacent to the second chamber is made of plastic. A valve mechanism for controlling coolant flow is operably connected to the piston and located in the second chamber. This mechanism includes a spool movable by the actuator. | 07-22-2010 |
20100181517 | Helical Fluid Flow Conduit - A conduit with helical fluid flow. The conduit has a generally cylindrical housing with a side wall coupled with opposing end walls. An inlet and an outlet are coupled with the side wall. At least a portion of the inlet, and preferably the outlet, is tangential to the side wall to promote helical fluid flow within the conduit. Alternatively, the conduit includes a piston positioned within the housing that is moveable between an open position allowing fluid to flow from the inlet to the outlet and a closed position blocking fluid flow from the inlet to the outlet. | 07-22-2010 |
20100181518 | VALVE SPRING FOR A PLATE VALVE - A plate valve designed as a hydraulic one-way valve, which has a valve plate, a one-piece valve spring and a holding element. The plate valve is integrated into a piston and is assigned to a feed opening. The rotationally symmetrical plate valve is inserted into a receptacle in the piston. The valve spring, which is positioned between the valve plate and the holding element, is designed as a perforated disk, on the inside of which at least two separate spring tongues of wound design arranged offset with respect to one another are provided, the spring tongues being supported in non-positive engagement against a valve plate. | 07-22-2010 |
20100230625 | FLUSHING MECHANISM - A flushing mechanism ( | 09-16-2010 |
20100252769 | PLUNGER FOR A SOLENOID VALVE AND A METHOD FOR LABELING PLUNGERS FOR SOLENOID VALVES - The invention relates to a plunger for a solenoid valve having a plunger shaft, a closure element, and a sealing element, and a method for labeling plungers for solenoid valves. According to the invention, at least one permanent mark is applied by means of machining, allowing the association of the corresponding plunger to a specific type of plunger from a plurality of various types of plungers. | 10-07-2010 |
20100288959 | Discharge valve - A discharge valve including a tubular, valve seat and a valve guide disposed above the valve seat. The valve guide has a discharge passage plug and a guide rod that is affixed to, and projects downwardly from, the bottom of the plug. The valve guide also has an interiorly threaded, lifting sleeve that is affixed to, and projects upwardly from, the top of the plug. A piston is disposed between the valve seat and the valve guide. The piston has a conical, head portion for engaging the top of the valve seat, and a stem portion that is affixed to, and extends upwardly from, the head portion. The stem portion has a longitudinal socket within which the guide rod is slidably received. The stem portion also has a number of apertures that intersect the socket for providing pressure relief to the socket. A compressed spring is disposed between the valve guide and the head portion of the piston for normally retaining the head portion in engagement with the valve seat. An externally threaded, valve retainer is disposed above the valve guide for pressing the valve guide toward the valve seat. | 11-18-2010 |
20100288960 | NON-SIMMER RELIEF VALVE - A relief valve assembly to relieve overpressure of a pressurized fluid. In accordance with some embodiments, the assembly comprises a housing with an inlet and an outlet to form a conduit for a pressurized fluid. A normally closed valve member is axially displaceable within the housing to engage a valve seat to prevent a flow of the pressurized fluid along the conduit. A biasing member applies a bias force to the valve member to retain the valve member against the valve seat. A piston within the valve member contactingly engages the pressurized fluid. A mechanically collapsible member resists axial movement of the piston responsive to said contacting engagement of the pressurized fluid. The piston and collapsible member decouple the bias force supplied by the biasing spring member upon the valve member from a force upon the valve member applied by the pressurized fluid, thereby maintaining a bubble-tight seal. | 11-18-2010 |
20100308251 | NEEDLELESS ACCESS PORT VALVES - Needleless access port valves are generally discussed herein with particular discussions extended to needleless access port valves having a pliant valve piston and/or plug that exudes silicone oil when stressed or squeezed while providing antimicrobial agents within and on the surface of the piston and/or plug. The pliant valve piston may have an integrally formed plug and one or more ports or a separately formed plug located inside a plastic housing. The plug cooperates with a nozzle on the inlet connector assembly to form a slip port or a Luer inlet, which can open when exerted by force to permit flow or closes when the force is removed. | 12-09-2010 |
20100327207 | BIASING APPARATUS FOR USE WITH ACTUATORS - Biasing apparatus for use with actuators are described. A biasing apparatus for use with a piston actuator includes a first sleeve at least partially surrounded by and movably coupled to a second sleeve. Additionally, the biasing apparatus includes a stop to limit an amount of movement of the first sleeve relative to the second sleeve and a biasing element positioned between first and second ends of the respective first and second sleeves to urge the first sleeve away from the second sleeve. | 12-30-2010 |
20110006238 | FINELY ADJUSTABLE FIRING VALVE FOR RAPIDLY DISCHARGING COMPRESSED AIR OR GAS - A finely adjustable firing valve comprising a first valve ( | 01-13-2011 |
20110024664 | NEEDLELESS ACCESS PORT VALVES - Needleless access port valves are generally discussed herein with particular discussions extended to needleless access port valves incorporating a piston comprising slit along an upper piston section for accommodating fluid flow. The slit opens when the piston is compressed by a medical implement, such as a syringe tip, to permit fluid communication between the inlet and the outlet of the vale housing. The slit may be cut using high frequency cutting machine or a multi-axis robot arm and a cutting blade. | 02-03-2011 |
20110037009 | NON-RETURN VALVE - The present invention relates to a non-return valve for a liquid piping system, comprising a valve housing and a valve member, which is movable between a first position, in which a flow path is blocked, and a second position, in which the flow path is un-blocked. The non-return valve comprises a non-return valve attachment comprising a housing, a piston assembly and an energy storing means, the piston assembly being axially movable in relation to said housing between a first active position, and a second position. In said second position the fluid pressure of said liquid drives the piston assembly against the action of the energy storing means away from said first position, such that the valve member is movable into said second position of the valve member. | 02-17-2011 |
20110042603 | FLOW-CONTROL VALVE FOR HEATING/COOLING SYSTEM - A typical flow-control valve has a housing forming a flow passage and a valve seat. An upstream and downstream valve bodies are is engageable with the seat and form upstream and downstream restrictions. A control piston defines therein outer and inner control compartments. This control piston is coupled to the downstream valve body for joint movement therewith. High-pressure and low-pressure conduits connect the outer and inner control compartments to the flow passage upstream of the upstream restriction and to the flow passage between the upstream and downstream restrictions. A connector element or stem connected to the upstream valve body extends through the control piston and has an outer end projecting out of the housing. A pressure reliever between the control piston and the outer end exerts on the connector element a force urging the upstream valve body upstream and generally equal to a pressure differential across the upstream restriction. | 02-24-2011 |
20110042604 | Device for Connecting a Valve Housing to an Actuator in a Process Valve Acting as a Lift Valve - The invention relates to a device for connecting a valve housing ( | 02-24-2011 |
20110114866 | Device for Driving a Double Seat Valve Capable of Seat Cleaning - The invention relates to a device ( | 05-19-2011 |
20110114867 | PRESSURE REDUCING VALVE - A pressure reducing valve ( | 05-19-2011 |
20110180741 | 3-STAGE TEMPERATURE CONTROL VALVE - A temperature control valve that effectively manages fluid pressure therethrough, including pressure differentials which may exist therein, such as from the upstream port to the downstream port, and about a piston slidingly disposed therewithin proximate a fluid flow path. In one embodiment a 3 stage valve is provided whereby fluid flows therethrough when the piston is in a first position, fluid flow is inhibited in a second piston position, and an override third position whereby fluid flows therethrough. When the piston is in the second position, the fluid pressure differential across the piston is balanced and an axial spring force on the piston is relatively small, thereby reducing any subsequent axial force required to advance the piston to the third free flow position, and allowing the valve to be comprised of cheaper materials including plastic. | 07-28-2011 |
20110233441 | LINEAR ACTUATOR WITH INTERNAL LINEAR TO ROTARY CONVERSION AND EXTERNAL ROTARY COMPONENT - An actuator including a barrel, two end caps, a piston, a guide slot, a hollow shaft and a twisted bar connected to an external rotating hub whereby any linear movement of the actuator shaft produces proportionate rotation of the external hub either clockwise or anti-clockwise direction, dependent on the direction of the linear travel of the actuator shaft. | 09-29-2011 |
20110253923 | NOISE REDUCED AIR PRESSURE RELIEF VALVE - Pressure relief valves may be used in conjunction with a small compressor in an air-assisted airless paint sprayer. The basic valve construction is industry standard spring-loaded poppet technology in an outer housing. The spring is preloaded to result in the valve venting the pressurized system to atmosphere at a desired pressure. The poppet valve | 10-20-2011 |
20110266485 | VALVE AND ACTUATOR ASSEMBLIES - The present application relates to valve and actuator assemblies. The valve actuator assemblies may include a capless valve actuating arrangement, include a replaceable passage defining member that includes seal members, include a valve member that is assembled in a valve chamber from an end of the valve body that is opposite an end that a piston is assembled in, and/or include a valve member that may be rotated in a valve body without affecting the ability of the valve member to perform its sealing functions. | 11-03-2011 |
20110272615 | Valve Assembly with Annular Sealing Member Having Elongated-Circle Cross-Sectional Shape - Apparatus for controlling a pressurized fluid. In accordance with some embodiments, a valve assembly includes a piston moved between closed and open positions. A sealing member is disposed within an annular recess of the piston and characterized as an endless annular ring extending about a central axis of the piston. The sealing member has an elongated circle cross-sectional shape when the sealing member is in an uncompressed state prior to installation in said recess. The cross-sectional shape is defined by parallel top and bottom surfaces having a length L in a direction perpendicular to and intersecting the central axis, and having opposing inner and outer surfaces of a radius R, the inner and outer surfaces respectively facing toward and facing away from the central axis, and wherein the dimensional value of L is at least five times greater than the dimensional value of R. | 11-10-2011 |
20110278488 | Valve and Assembly Method - A valve for installation in a valve bore of a housing or valve block includes a valve bushing for insertion into the valve bore, a guided valve piston that can be moved axially in the valve bushing, an activation section of said piston projecting above the valve bushing axially, and a valve cover that is configured to be arranged over the valve bore and that forms, together with the activation section of the valve piston, at least one activation pressure chamber. | 11-17-2011 |
20110309281 | CONTROL VALVES FOR CONTROLLING PRESSURE MEDIUM FLOWS - A control valve for controlling pressure medium flows, which has a cylindrical valve housing with a housing cavity The housing cavity is open at one side and has an axial outflow port, a radial first working port, a radial second working port, a radial third working port and two radial pressure ports which each open into the housing cavity. A first pressure port is arranged axially between the first working port and the second working port, and a second pressure port is arranged axially between the second working port and the third working port. Also, the control valve has a cylindrical control piston, which is axially movable within the housing cavity and has a piston cavity open at one side in the direction of the outflow port. | 12-22-2011 |
20110309282 | DEVICE FOR DRIVING A DOUBLE SEAT VALVE - A drive device for a double seat valve having, between flow paths, a seat and first and second valve disks, where first, second and third pistons movable in a sealed manner by alternating pressure pulses for initiating an opening cycle and cleaning cycles of the valve disks each are provided in a drive device housing, where the pistons can be selectively connected with valve disk couple elements so as to transmit movements. Pressure transmission paths lead into the drive device housing to chambers defined by the pistons, the second piston being guided in a sealed manner separate from the first piston in the drive device housing, sealing areas of the first and second pistons define a first chamber in the drive device housing, and at least one pressure transmission path leads, for the cleaning cycle of the second valve disk, laterally and transversely to the common axis of the drive device housing and the valve chamber at least directly into the first chamber. | 12-22-2011 |
20110309283 | Device for the Hydropneumatic Control of a Valve with a Pneumatic Locking Means - The invention relates to a valve control device, the device including a hydropneumatic mechanism for amplifying the force resulting from the presence of a pressurised fluid in a control chamber consisting of a piston ( | 12-22-2011 |
20110309284 | FLOW RATE CONTROL VALVE AND ASSEMBLY METHOD THEREFOR - In relation to a flow rate control valve and an assembly method therefor, first and second ports are connected respectively to a body constituting the flow rate control valve. A valve mechanism capable of controlling the flow rate of a pressure fluid is disposed in a central portion of the body. The valve mechanism includes a valve holder, which is press-fitted into a second cylindrical section of the body. A needle valve is screw-engaged for advancement and retraction in the interior of the valve holder, and a seat ring, which is formed by press molding, is press-fitted onto a lower portion of the valve holder and connected coaxially therewith. | 12-22-2011 |
20120018659 | PISTON VALVE WITH BUILT IN FILTRATION - A control valve includes particle and moisture accumulation inhibiting features. The control valve includes a piston that provides for pressure communication to a back cavity through a tortuous path that settles out particle matter carried within the airflow. Moreover, the piston includes drainage openings that direct moisture out of piston and away from the sealing surfaces. | 01-26-2012 |
20120037829 | PROPORTIONAL THROTTLE VALVE - The invention relates to a proportional throttle valve comprising a valve piston ( | 02-16-2012 |
20120037830 | PROPORTIONAL THROTTLE VALVE - The invention relates to a proportional throttle valve, comprising a valve piston (2) which has the function of a variable orifice and is displaceably guided in the longitudinal direction in a valve housing (3) having a fluid inlet (4) and a fluid outlet (5). Since a leading edge (6) of the valve piston (2) is formed by a control piston (7) of a flow regulator (8) for the fluidic connection of the fluid inlet (4) and the fluid outlet (5), the flow control valve and the proportional throttle valve are functionally combined in one valve unit. | 02-16-2012 |
20120037831 | DRIVE DEVICE OF A REGULATION VALVE FOR CASTING LIQUID METAL - A device for driving a regulation valve for casting liquid metal contains a main rod controlling the opening and closing of the valve, and a coupler linking the main rod and the valve. The device also contains a coupler controller able to activate and deactivate the coupler, enabling linkage and detachment of the main rod and the valve. | 02-16-2012 |
20120085956 | SWITCHING VALVE ASSEMBLY FOR ENDOSCOPE - A switching valve assembly for an endoscope has a cylinder and a piston unit, which includes a valve head, a flow channel, an end rod and a button device. The piston unit is settable in an initial position, a down position and a halfway position to change over flow lines. A biasing unit of a two-stage type is secured to the cylinder on an upper side of the cylinder passage, biases the piston unit, and stops the piston unit in the halfway position when the button device is pushed in a downward direction from the initial position. A first regulating device prevents the piston unit from rotating relative to the biasing unit. A second regulating device prevents the biasing unit from rotating relative to the cylinder, so as to ensure alignment of a channel opening of the flow channel with one of the flow openings upon sliding the piston unit. | 04-12-2012 |
20120091380 | Combination Valve Assembly - A combination valve assembly is adapted to being an interface for filling and relieving excess pressure from a closed fluid system such as a propane tank, and to enable the regulation of fluid height within the closed fluid system via a dip tube and a bleeder set screw. The system generally comprises a pin valve element, an insert shell element, a main housing element, a relief system, and a dip tube member in fluid communication with an overfill port in the main housing. The dip tube member may be adapted to extend outward of the distal end of the man housing element. | 04-19-2012 |
20120104302 | CONTROL VALVE - A control valve includes a valve body, a valve plug, two adjusting elements and two operating members. The valve body has a valve hole defined through the valve body and further defines an inlet hole and two outlet holes respectively communicating with the valve hole. The valve plug is movably assembled within the valve body. Two ends of the valve plug are respectively exposed to the outside of the valve body. The two adjusting elements are respectively mounted to two ends of the valve body and respectively adjustably resist against two ends of the valve plug. The two operating members are respectively fixed to the two adjusting elements for driving the two adjusting elements to move the valve plug within the valve hole of the valve body, and thereby controlling the control valve to switch between an open state and a closed state. | 05-03-2012 |
20120104303 | VALVE BODIES HAVING INTEGRAL BOOST REDUCING CAPABILITY - Valve bodies having integral boost reducing capability are described herein. An example fluid regulator includes a body having a main passageway defining an orifice to fluidly couple an inlet and an outlet where the main passageway defines an inlet volume boundary between the inlet and the orifice and an outlet volume boundary between the orifice and the outlet. A portion of the outlet volume boundary includes an inner wall adjacent the orifice. A valve plug is disposed within the second portion of the passageway such that the inner wall substantially surrounds an outer surface of the valve plug to substantially restrict fluid flow between the inner wall and the outer surface of the valve plug and toward the throat. The valve body having a secondary fluid passage within the outlet volume boundary to increase fluid flow toward the throat of the valve body when a fluid flows across the orifice. | 05-03-2012 |
20120112112 | Biasing Device for Use With Actuators of Fluid Valves - A biasing device for use with a piston actuator of a fluid valve includes a tubular seat member, a tubular retention member, a tubular retention bracket, and a biasing element disposed between an external annular flange of the tubular seat member and an external annular flange of the tubular seat bracket. The tubular retention member is partially disposed within the tubular, seat member, the tubular retention member passing through an opening in the inner flange of the tubular seat member. The tubular retention member is partially disposed within the tubular seat bracket, the tubular retention member passing through an opening in the inner flange of the tubular seat bracket. The basing member is seated against the exterior annular flange of the tubular seat member and against the exterior annular flange of the tubular seat bracket. | 05-10-2012 |
20120112113 | Piston Valve Having Piston With Grooves For Particulate Capture - A diverter valve for use with fluids containing particulate matter is presented. The diverter valve includes a piston slidable between a first and second position in a valve casing. In the first position, a pass-through transverse bore in the piston is aligned with openings in the valve casing to allow a fluid to pass through to a first conduit. In a second piston position, a port for a diverter bore in the piston is aligned with an opening in the valve casing such that the fluid is diverted away from the first conduit. The piston includes a plurality of grooves structured to capture fluid and particulate matter that enters the slight gap between the piston and the valve casing. | 05-10-2012 |
20120112114 | VALVE FOR PREVENTION OF FROZEN BREAK USING PHASE CHANGE MATERIAL - A valve for preventing freeze-fracturing prevents accidental freeze-fracturing due to the freezing of water by draining water from a flow pipe before the danger of freezing occurs when the temperature of ambient air drops. The valve for preventing freeze-fracturing includes a housing coupled to a pipe port and a draining chamber provided in a portion of the housing that faces the pipe port. The draining chamber has therein a water inlet hole, which communicates with an inside of the flow pipe, and a water outlet hole, which communicates with an outside of the housing. A storage chamber is provided in a portion of the housing that is opposite the draining chamber, and contains therein a phase change material, which decreases in volume while changing in phase from liquid to solid. A plunger is movably disposed in the draining chamber to open and close the water inlet hole. | 05-10-2012 |
20120161054 | Control Valve, in Particular Angle Control Valve and Double Control Valve, also in the Form of a Straight-Seat Valve and Inclined-Seat Valve for Extreme Control Applications - The invention relates to a control valve ( | 06-28-2012 |
20120175543 | VALVE RELEASE MECHANISM - A valve release mechanism has an actuator, a ring, a plurality of ball bearings, and a retainer. The retainer is positioned adjacent an inner diameter of the ring and has a plurality of circumferentially spaced holes therein. Each circumferentially spaced hole receives one of the plurality of ball bearings, which are movable therein. The ring has channels and lands along its inner diameter that allow the ball bearings to move varying distances relative to the retainer. The lands contact the ball bearings when the ring is in a first position and the channels receive the ball bearings when the ring is in a second position. The poppet has a groove that is vertically aligned with circumferentially spaced holes in the retainer when the poppet is in a first closed position. The ball bearings are pressed into the groove in the poppet by the lands of the ring. The resulting interference of the ball bearings with poppet locks the poppet in the first closed position. The ring can be moved from the first closed position to a second position by the actuator. | 07-12-2012 |
20120199779 | VALVE BLOCK ASSEMBLY FOR A BLOW MOLDING SYSTEM - A valve block assembly ( | 08-09-2012 |
20120280162 | HYDRAULIC PRESSURE VALVE APPARATUS - A hydraulic pressure valve apparatus includes a housing of which a first chamber and a second chamber are formed therein, wherein a diameter of the second chamber is bigger than that of the first chamber, a first piston disposed within the first chamber, an elastic portion disposed within the first chamber for elastically supporting the first piston and a second piston disposed within the second chamber and connected to a valve. | 11-08-2012 |
20120313028 | HAND CONTROL BRAKE VALVE - A vehicle hand control brake valve includes a piston, positioned based on an engagement of a vehicle parking brake, a service brake actuation valve, and a control mechanism. The control mechanism mechanically interacts with the service brake actuation valve to set a position of the service brake actuation valve. A level of actuation of vehicle service brakes is set based on the position of the service brake actuation valve. The service brake actuation valve is set to a position to actuate the service brakes when the control mechanism is set to a latch position. The control mechanism only is latched in the latch position when the vehicle parking brake is engaged. | 12-13-2012 |
20120326070 | DOUBLE ACTION DIRECTIONAL FLUID FLOW VALVE - A double action directional fluid flow valve includes a stepped piston connected with a poppet valve and moveable by a controller between open and closed positions by applying a continuous pressure to a small diameter piston face and selectively applying and removing pressure from a large diameter piston face to move the poppet valve between an open position and a closed position. | 12-27-2012 |
20130075643 | Discharge valve - A discharge valve including a tubular, valve seat and a valve guide disposed above the valve seat. The valve guide has a discharge passage plug and a guide rod that is affixed to, and projects downwardly from, the bottom of the plug. The valve guide also has an interiorly threaded, lifting sleeve that is affixed to, and projects upwardly from, the top of the plug. A piston is disposed between the valve seat and the valve guide. The piston has a conical, head portion for engaging the top of the valve seat, and a stem portion that is affixed to, and extends upwardly from, the head portion. The stem portion has a longitudinal socket within which the guide rod is slidably received. The stem portion also has a number of apertures that intersect the socket for providing pressure relief to the socket. A compressed spring is disposed between the valve guide and the head portion of the piston for normally retaining the head portion in engagement with the valve seat. An externally threaded, valve retainer is disposed above the valve guide for pressing the valve guide toward the valve seat. | 03-28-2013 |
20130181154 | PLUG HEAD ASSEMBLIES - In accordance with various embodiments, a plug head assembly is provided comprising a ceramic plug head having a frustroconical geometry, wherein the ceramic plug head has a proximal terminus and a distal terminus, wherein the ceramic plug head has a first coefficient of thermal expansion (CTE), a sleeve having a frustroconical geometry conforming to the ceramic plug head and a second CTE, wherein the second CTE is greater than the first CTE, a distal retainer having a frustroconical geometry conforming to the sleeve, the distal retainer having a first engagement portion for engaging the a proximal retainer, the proximal retainer having a second engagement portion for engaging the distal retainer, and a base that couples with the proximal retainer. In addition, thick banded plug heads are provided | 07-18-2013 |
20130181155 | PLUG HEAD ASSEMBLIES - In accordance with various embodiments, a plug head assembly is provided comprising a ceramic plug head having a frustroconical geometry, wherein the ceramic plug head has a proximal terminus and a distal terminus, wherein the ceramic plug head has a first coefficient of thermal expansion (CTE), a sleeve having a frustroconical geometry conforming to the ceramic plug head and a second CTE, wherein the second CTE is greater than the first CTE, a distal retainer having a frustroconical geometry conforming to the sleeve, the distal retainer having a first engagement portion for engaging the a proximal retainer, the proximal retainer having a second engagement portion for engaging the distal retainer, and a base that couples with the proximal retainer. In addition, thick banded plug heads are provided. | 07-18-2013 |
20130214190 | AIR VALVE AND METHOD FOR REFURBISHING AN AIR VALVE - An air valve includes a valve body and a disc configured to engage a seat. An inlet port is upstream from the seat, and an outlet port is downstream from the seat. A stern is connected to the disc, and a piston is connected to the stern, wherein the piston has first and second positions. A chamber is defined at least in part by the piston and the valve body. A clearance between the valve body and the stem has a first cross-sectional area. One or more relief ports provide fluid communication from the chamber through the valve body and have a combined second cross-sectional area that is greater than or equal to the first cross-sectional area. A method for refurbishing the air valve, as previously described, includes increasing the second cross-sectional area greater than or equal to the first cross-sectional area. | 08-22-2013 |
20130277594 | Valve Assembly for a Dispenser for Fluids - A valve assembly for a dispenser for fluids comprising: a housing having at least an inlet opening and an outlet opening and a further opening connected or connectable to a fluid displacement mechanism, and a valve member comprising two parts translatably disposed within the housing, a first part for closing and opening the inlet and a second part for opening and closing the outlet. | 10-24-2013 |
20130320252 | CONTROL VALVE ASSEMBLY - A flow control valve and method for controlling fluid flow includes a valve housing defining a valve chamber. A port member mounted within the valve chamber receives a reciprocally movable piston/spool assembly. The assembly is engageable with a valve seat for blocking fluid flow through the chamber. The assembly includes a piston body defining an annular recess for receiving an annular seal and a compression bonnet received by the piston body which is operatively engageable with the annular seal. When the assembly is not engaging its associated valve seat, the seal is relaxed and thus reciprocal movement between the assembly and the port member is not substantially hindered or resisted. | 12-05-2013 |
20130327972 | ARRANGEMENT OF A VALVE IN A BORE OF A DUCT HOUSING - An arrangement of a valve in a bore of a duct housing includes the duct housing comprising the bore with a stepped design. A valve housing with a stepped outer diameter comprises an inlet and at least one outlet, and is plugged into the bore of the duct housing. A translational valve rod is arranged in the valve housing. At least one valve-closure member is arranged on the translational valve rod. The at least one valve-closure member corresponds with at least one valve seat. A bore diameter of the bore decreases when viewed from a plug-in direction of the valve housing. The stepped outer diameter forms an interference fit with the bore diameter in regions radially surrounding the at least one valve seat. Other regions of the stepped outer diameter have an outer diameter which is smaller than the respective radially surrounding bore diameter. | 12-12-2013 |
20130334449 | Hydraulic Mechanism for Valves - A valve assembly includes a first piston member displaceably disposed within a first chamber. A second piston member is coupled to a valve closure element, such as a diaphragm, and the second piston member is disposed within a second chamber. A longitudinal displacement of the first piston member relative to the first chamber causes hydraulic fluid disposed within the first chamber to longitudinally displace the second piston member such that the valve closure element engages a valve seat to close the valve assembly. The area of the second piston member is greater than that of the first piston member to multiply the force provided by an actuator that displaces a valve stem coupled to the first piston member. | 12-19-2013 |
20130334450 | Disposable, Sterile Fluid Transfer Device - The present invention relates to a process for the sterile transfer of fluids, be they liquids or gases. It uses a presterilized device comprised of a body having a bore formed through at least a portion of its interior. Contained within the bore is a movable plunger. The body has a first and a second end. The first end contains a face designed to be attached to the upstream component. The second end is connected to a downstream component such as a filter, pipeline, sample bag and the like. The plunger has corresponding first and second ends. The first end of the plunger when it the closed position is in alignment with the face of the body which combined form a steamable surface and a sterile barrier against the environment to the rest of the interior of the body, the plunger and downstream components. The device is attached to an upstream component and the face and the first end of the plunger are steam sterilized in place. | 12-19-2013 |
20140021395 | VACUUM VALVE - A vacuum valve includes a valve housing ( | 01-23-2014 |
20140021396 | VACUUM VALVE - A vacuum valve includes a valve housing with first and second valve openings, which have parallel axes, a first and a second valve plate, adjustable between an open position, an intermediate position and a closed position, and a carrying unit, which carries the valve plates between the intermediate position, in which the valve plates cover over the respective valve openings, but are raised up from the valve seat, and the closed position, and each include a cylinder, having at least one cylinder space, and at least one piston, arranged in the cylinder space and has a piston rod, connected to one of the valve plates. The carrying unit has at least first and second carrier rods, to which the cylinders of the drive elements are connected. The cylinders each span an interspace located between the carrier rods, arranged on opposite sides laterally alongside the piston rods of the drive elements. | 01-23-2014 |
20140034859 | INJECTION VALVE HAVING A FLOW LIMITER - A valve for injecting fuel includes a valve carrier having a valve seat and an inflow orifice, a valve positioning member, and a flow limiting element that is disposed on the valve positioning member. The inflow orifice includes a step having a peripheral annular edge, and the flow limiting element is disposed on the valve positioning member in such a way that when the valve is opened, a flow area between the annular edge and the flow limiting element is reduced from a first flow area to a second flow area. | 02-06-2014 |
20140034860 | INDUSTRIAL VALVE - The invention relates to a device ( | 02-06-2014 |
20140077116 | METHODS AND SYSTEMS FOR OPERATING AN INTEGRATED ACTUATOR - Methods and systems for operating an integrated actuator are provided. The integrated actuator comprises an actuator body, an extension rod coupled to the actuator body. The extension rod includes a piston valve and is configured for selective movement between a first position in a first mode of operation where the piston valve is fully open and a second position in a second mode of operation where the piston valve is less than fully open. The integrated actuator further comprises a flow body coupled to the actuator body such that the flow body houses the piston valve and a modulation device coupled to the extension rod. The modulation device is operable by movement of the extension rod and is configured to be fully open in the first mode of operation and is configured to be less than fully open in the second mode of operation. | 03-20-2014 |
20140110618 | High Pressure Relief Valve Piston - In one featured embodiment, a piston for a valve comprises a cylindrical body surrounding a center axis and defined by an overall length extending from an upstream end to a downstream end. The cylindrical body has a piston bore configured to receive a spring assembly. The cylindrical body has a maximum outer diameter that comprises a closure sleeve contact surface, and the cylindrical body is defined by a first length that is less than the overall length. A ratio of the first length to the maximum outer diameter is between 1.0 and 1.2. | 04-24-2014 |
20140145103 | Rigid Piston Valve Incorporating a Solenoid - A rigid piston assembly for use in a conventional flush valve includes a rigid piston and a solenoid configured to fixedly engage within the valve body. A flush valve for a plumbing fixture as well as a method of retrofitting a piston valve into a diaphragm flush valve body includes a rigid piston and solenoid configuration. | 05-29-2014 |
20140197345 | PISTON ACTUATOR CONTROLLING A VALVE AND METHOD FOR OPERATING THE SAME - Piston actuators and methods of its operation are described. The piston actuators include a housing defining a chamber having a piston therein and a spring seated against the piston to bias it into a starting position. The piston includes a ferromagnetic material, a magnet or both and a secondary magnet or ferromagnetic material, forming a first magnetic/ferromagnetic pair with the piston, is positioned to maintain the piston in a secondary position. A tertiary magnet or ferromagnetic material, forming a second magnetic/ferromagnetic pair with the piston, may assist the spring in maintaining the piston in the starting position. During operation, introduction into or removal from the chamber of an amount of fluid sufficient to overcome the force of the spring (and the tertiary magnet or ferromagnetic material) enables the attraction between the members of the first magnetic/ferromagnetic pair to move the piston to the secondary position as a snap movement. | 07-17-2014 |
20140197346 | Safety Discharge Valve - A safety discharge valve includes a siphon-type open/close device ( | 07-17-2014 |
20140264129 | GRAPHITE/METAL VALVE SEAL ASSEMBLY FOR HIGH TEMPERATURE CONTROL VALVES - A sliding stem control valve includes a valve body, a seat ring located within the valve body and a valve plug slidably mounted within the valve body, the valve plug and the valve seat cooperating to control fluid flow through the control valve. A seal assembly is located between the valve plug and the valve seat, the seal assembly including a metal/graphite seal ring located between a first backup ring and a second backup ring. A biasing element is located adjacent the second backup ring and a retainer ring is located adjacent the biasing element to maintain the biasing element adjacent the second backup ring. | 09-18-2014 |
20140284509 | VALVE APPARATUS, METHOD OF MANUFACTURING VALVE APPARATUS, AND METHOD OF REPAIRING VALVE APPARATUS - According to one embodiment, a valve apparatus includes a movable member operating in conjunction with opening and closing of a valve, and a stationary member in sliding or abutting contact with the movable member. The valve apparatus includes a cladding portion that is integrally formed on a sliding-contact surface or an abutting contact surface of at least one of the movable member or the stationary member. The cladding portion is formed by inducing a pulsed discharge between an electrode, which is formed of a molded body consisting mainly of a metal, and a treatment target portion of the movable member or the stationary member, so as to weld and deposit a material of the electrode on a surface of the treatment target portion. | 09-25-2014 |
20140319401 | DIRECTIONALLY BIASED VALVE - A valve for regulating fluid flowing bidirectionally therethrough includes a first flow body defining a passage configured to direct fluid flow in a downstream direction defined from the inlet to the outlet. The inlet includes an enlargement configured to provide decreased resistance to fluid flow in the downstream direction relative to flow in an upstream direction opposite the downstream direction. | 10-30-2014 |
20140319402 | FLUID VALVE - A valve assembly is provided including a generally hollow cylinder coupled to an axially aligned piston chamber. The cylinder defines an internal void extending from one side of the cylinder to another side of the cylinder. The cylinder includes at least one fluid inlet path and at least one fluid outlet path. A shuttle is arranged within the internal void of the cylinder. The shuttle is slidable between a first position and a second position around an axially located piston rod of the piston chamber. A generally sealed chamber exists between a portion of the shuttle and the cylinder. When the shuttle is in the second position, the chamber fluidly couples the fluid inlet path and the fluid outlet path to provide a controllable fluid flow into and out of the cylinder. | 10-30-2014 |
20150014567 | ENDOSCOPE VALVE FOR CONTROLLING FLUID - According to the present invention, an endoscope valve is provided that comprises a cylinder, a cylinder liner, a piston, and a sleeve. The cylinder has a groove on a lateral surface of the cylinder. The cylinder liner has a cylindrical shape and is inserted into an inner circumference of the cylinder. The piston is inserted into an inner circumference of the cylinder liner. The sleeve has a sleeve rib, a sleeve skirt, and a pin. The sleeve rib covers at least part of an open end of the cylinder. The sleeve skirt covers at least part of a circumferential surface of the open end. The pin projects from the sleeve skirt towards the circumferential surface to engage with the groove. The cylinder liner has a rib that projects radially outward from a circumference of the cylinder liner. The sleeve rib holds the rib on the open end in the case that the pin engages with the groove. | 01-15-2015 |
20150090918 | Control Valve for Vacuum Systems - A valve assembly including a housing having first and second ports; a cylinder assembly mounted on such housing having a piston rod displaceable along an axis of such first port, provided with a valve plug including a first component having a passageway therethrough intercommunicable with the interior of such housing and such first port, and a second component supported on and displaceable axially relative to such first component, wherein upon extension of such plug into closing engagement with such first port, such passageway will be obstructed and upon retraction of such plug out of closing engagement with such first port, such passageway will be unobstructed. | 04-02-2015 |
20150102252 | APPARATUS FOR SETTING AND VERIFYING SET POINT ON A VALVE ASSEMBLY - Embodiments of an apparatus that provide functions to set and to verify the set point of a valve assembly in a single device. These embodiments forgo the need to use of two separate devices, one each to accomplish the tasks to set the set point and to verify the set point. Rather, the apparatus incorporates components that can assume different configurations including a first configuration that facilitates the task for setting the set point and a second configuration that facilitates the task of verifying the set point. | 04-16-2015 |
20150129790 | VALVE AND DIAPHRAGM FOR A VALVE - A valve has a valve housing with a first port and a second port, and has a closing member movable along an axial direction. When in a closed position, the closing member interacts sealingly with a valve seat to block a fluid connection between the first and second ports. An fluid-impermeable diaphragm comprises a central opening through which a closing member arrangement including the closing member extends, and a clamping section that runs in a clamping gap. The diaphragm is held with sealing action between the closing member arrangement and a holding arrangement on the housing. The diaphragm has a first section and a second section adjoining the first section. The first section is held in the holding arrangement with a force fit, the second section is guided in the holding arrangement, and the first and second sections are arranged at an angle relative to one another. A form fit is generated by the first section, second section and holding arrangement. | 05-14-2015 |
20150144825 | SERVICE MAIN PISTON BUSHING CONTAINING TWO SPRING RAMPS - A main piston bushing for a service valve portion of a brake control valve includes a cylindrical sidewall defining a central passageway extending longitudinally through the main piston bushing, the central passageway being surrounded by an internal surface of the cylindrical sidewall. The central passageway is configured to receive the main piston assembly of the service valve portion. The internal surface of the cylindrical sidewall includes a first ramp and a second ramp defined therein, the first ramp and the second ramp being configured to engage a portion of the main piston assembly of the service valve portion to restrain movement of the main piston assembly. | 05-28-2015 |
20150292625 | CONTROL VALVE FOR A HYDRAULIC DEVICE WITH A REPLACEABLE HYDRAULICS UNIT - A control valve ( | 10-15-2015 |
20150292634 | Spool Valve Assembly With Stationary Insert - Valve assemblies and associated methods are disclosed that may include a spool valve and one or more stationary inserts. In some examples, the stationary inserts may be configured to be fixed within a valve bore of a valve body to provide a fluid seal between an outer surface of the insert and the valve bore. Embodiments may also include valve assembly repair kits that may include a spool valve and a stationary insert for repairing a malfunctioning spool valve and methods for installing the same. | 10-15-2015 |
20160123474 | A PRESSURISED CONTAINER VALVE - A valve for a pressurized fluid cylinder. The valve comprises a shut off valve biased against a seat to seal the cylinder. An actuation element is movable linearly to open the valve against the biasing force. A linkage element couples the actuation element to the shut off valve and comprises a first piston towards its top and a second piston towards its bottom. The valve also comprises a gas refill inlet between the pistons such that refill gas pressure biases the linkage element away from the valve. The actuation element is a depressed position pushes against the linkage element to hold the linkage element down and the valve open so that the cylinder can be refilled. When the actuation element is in a non-depressed position, the linkage element is free to move with the refill gas pressure so that it is spaced from the valve. | 05-05-2016 |
20190145527 | MAIN STOP VALVE | 05-16-2019 |