Abstract: A body element for a spool valve is provided that includes a body having an inner surface that defines an internal valving chamber having a longitudinal axis, and at least one transverse surface to the longitudinal axis. The transverse surface has at least one port comprising an annular flow passage, an intermediate flow passage and an outer flow passage extending outward from and in fluid communication with the inner surface of the internal valving chamber.

Abstract: A flow control valve has a ball and an annular seat providing a positive stop for automatically preventing flow through the valve when a line downstream has been broken. The flow control valve is useful for interior applications in which seepage through the valve would be unacceptable and in which both hot and cold water lines need to be protected. A magnet may aid in positioning the ball. Sensors may be used to detect positions of the ball. A flow control system that includes the flow control valve may include any of a variety of interchangeable components for facilitating incorporation of the flow control valve in a water or other fluid line. Another embodiment includes a mechanism for detecting and stopping flow due to slow leaks.

Abstract: A control pin (12) for controlling the flow of liquid metal in a casting process includes an elongate body member (34), the body member being made at least partially of a composite ceramic material that includes a fibrous reinforcing material embedded within a ceramic matrix. The body member (34) is preferably hollow and includes a wear-resistant tip (36) at one end.

Abstract: Systems having clamping structures are provided.

Abstract: A first housing member and a second housing member are divided by a dividing surface including a center axis of a valve hole. Connecting holes are formed in joint surfaces of the respective housing members at locations of the joint surfaces opposed to each other. Connecting pins are inserted into the connecting holes, the connecting holes and the connecting pins are fixed to each other through solder, thereby integrally connecting the first housing member and the second housing member to each other to form a housing.

Abstract: This disclosure is concerned with fluid system components. In one example, A quick disconnect valve assembly includes first and second valve elements configured to releasably engage each other. Each valve element includes a housing that defines a valve seat and a fluid passageway. A plunger is disposed within each housing and arranged for selective engagement with a corresponding valve seat. Each plunger is biased into a sealing engagement with the valve seat by a resilient element disposed within the housing. Consequently, the fluid passageway of each valve element is closed off when the first and second valve elements are separated from each other. When the valve elements are engaged, the respective biases associated with the plungers counteract each other to the extent that each plunger is lifted off the corresponding valve seat and fluid communication is established between the respective fluid passageways of the first and second valve elements.

Abstract: A system for processing fluids, the system having a unit (1) for supplying and discharging the fluids. The unit has a plurality of fluid lines terminating in a plurality of fluid ports, an assembly side (3) with the plurality of fluid ports terminating therein. The system also has at least one device (4) in which at least one of the fluids is processed. The at least one device is operable to be mounted on the assembly side and further operable to be coupled to the plurality of fluid ports (11, 12, 13, 14). The at least one device has a plurality of components (29, 30, 31) performing a plurality of functions related to the processing of the at least one of the fluids. The components are mounted on the assembly side in superimposed planes. The fluid ports supply and discharging the fluids to and from the components. The fluid ports have different lengths and extend from the assembly side (3) to at least one of the components (29, 30).

Abstract: A butterfly valve for controlling a gas pressure, in particular inside a cabin of an aircraft, comprises a valve housing (10) having a longitudinal axis (11), a shaft (20) having a rotation axis (21), and a closure member (30) connected to the shaft (20). The closure member (30) is pivotally mounted in the valve housing (10) for rotation about the rotation axis (21) between an open position and a closed position. Moreover, the closure member (30) consists of a first disk (40) and a complementary second disk (50) which abut against each other. The first disk (40) and the second disk (50) are symmetrically arranged with regard to a symmetric axis (31) extending at a predetermined angle of inclination to the rotation axis (21). Such a butterfly valve ensures a restricted cross-sectional area of the valve housing (10), even if breaking of the closure member (30) occurs.

Abstract: A circuit balancing valve includes a valve body having fluid flow passage extending therethrough. The fluid flow passage includes a fluid inlet passage-side in fluid communication with a supply line, and a fluid flow outlet passage-side in fluid communication with an outfeed line. A valve seat is provided in the valve body between the inlet and outlet flow passages, and a sealing member is selectively movable in the operation of the valve towards or away from the valve seat to restrict or permit fluid to flow from the inlet passage-side to the outlet passage-side. Fin members are disposed in the outlet passage. The fin members are provided as an axially elongated rib, with a radial spacing from each other of between about 45° and 135°. The inlet flow passage includes an enlarged diameter cylindrical section and a reduced diameter cylindrical section.

Abstract: A capillary reactor distribution device comprising first and second capillary pathways (2, 3) which meet at a junction (5) and a third capillary pathway (4) which leads away from the junction (5), the capillary pathways (2, 3, 4) being dimensioned such that, when first and second immiscible fluids (14, 15) are fed along respectively the first and second capillary pathways (2, 3) under predetermined laminar flow conditions, the first and second fluids (14, 15) chop each other into discrete slugs (16, 17) which pass along the third capillary pathway (4). Molecular mixing between the fluids (14, 15) takes place by way of axial diffusion between adjacent slugs (16, 17) and by way of internal circulation within each slug (16, 17) as the slugs (16, 17) progress along the third capillary pathway (4).

Abstract: A Vacuum Relief Assembly for I.C. Engine Intakes is disclosed. Also disclosed is a device that permits outside air into the intake tract of an internal combustion engine in the event of an excessively high vacuum condition within the intake tract. Furthermore, the device is constructed from durable materials and resists the excessive temperatures found in the engine compartment of a vehicle. Still further, the device is made from two half-cylindrical sections that mate to one another around the intake tract to form a cylindrical attachment. The method of installation enables the device to be installable onto the intake tract in situ, and without the need to cut out a section of the tract.

Abstract: An electromagnetic valve assembly for controlling airbags, includes a single valve assembly joined by main valve bodies of two electromagnetic valves each having respective electromagnetic control coils. A ventilation opening of the joined single valve assembly is placed with a film further mounted with a ring-shaped loop; an upper cover of the valve is connected with an electromagnetic tube accommodated with a spring and an electromagnetic; a rhombus flange is utilized to press against a washer and the ring-shaped loop. The electromagnetic is placed with a coil thereon and a planar washer; a ventilation opening at a side of the valve cover is placed with a ring-shaped loop to keep being airtight with the main valve body by using a screw; and the main valve is provided with a stopper at a side thereof, and an L-shaped plate being capable of adjusting installed positions.

Abstract: A valve body has one or more integral seal retention grooves and one or more interior hollows which may be manufactured using frictional or other types of welding to join two previously formed portions through at least one cylindrical web. Forging or casting valve body portions to near-net-shape prior to joining minimizes machining necessary to achieve a final desired shape. One or more interior hollows and an integral seal retention groove are formed in the welded valve body from features present on the portions joined by welding to form the body. Increased valve durability and reduced metal wear arise from the reduced valve body weight and correspondingly reduced impact loading. An elastomeric seal may be cast and cured in place in a seal retention groove.

Abstract: In a fluidic device, a space (35) is formed in a passage block (26) to which a plurality of fluidic modules are connected and which is provided, in its inside, with fluid passages (43, 47, 51) for connecting the plurality of fluidic modules to one another. An internal body (36) is received in the space (35). Channels (37, 38, 39) are formed in an outer surface of the internal body so that the channels (37, 38, 39) constitute part of the fluid passages.

Abstract: A microvalve and a method of forming a diaphragm stop for a microvalve. The microvalve includes a first layer and a diaphragm member to control the flow of fluid through the microvalve. The method comprises the step of forming a contoured shaped recess extending inward from a surface of the layer by using a laser to remove material in a series of areas, at successively greater depths extending inward from said surface. Preferably, the recess has a dome shape, and may be formed by a direct-write laser operated via a computer aided drawing program running on a computer. For example, CAD artwork files, comprising a set of concentric polygons approximating circles, may be generated to create the dome structure. The laser ablation depth can be controlled by modifying the offset step distance of the polygons and equating certain line widths to an equivalent laser tool definition.

Abstract: A valve for controlling fluids, which has a plurality of components that are disposed in succession in the axial direction of the valve. On at least one of the components, a male thread is embodied in order to enter into engagement with a female thread of a lock nut. The lock nut serves to brace the components of the valve. A sealing element is disposed between the female thread of the lock nut and the male thread of the component.

Abstract: A fire hydrant having a valve seat flange with an integral liner. In one embodiment, the fire hydrant includes a valve seat flange disposed between a standpipe and a hydrant shoe. The valve seat flange includes a standpipe neck defining internal threads to directly connect to the standpipe and a base flange to directly connect to the hydrant shoe. The liner includes an outer peripheral edge that is entrapped within the valve seat flange and an inner circumferential surface defining threads for receiving the valve seat of a valve assembly. The present invention also discloses a process of manufacturing a valve seat flange, including the steps of: (a) manufacturing the liner, (b) incorporating the liner into a core with the outer peripheral region of the liner exposed, (c) placing the integral core/liner into the valve seat flange mold and (d) forming the valve seat flange around the liner with the valve seat flange entrapping the outer peripheral region of the liner.

Abstract: A double diaphragm pump having a spool valve. The spool valve includes a housing that has a first end, a second end, and at least one housing aperture defined therethrough from the first end to the second end of the housing. The spool valve also includes end plates positioned at the first and second ends of the housing. The end plates include at least one plate aperture defined therein that is aligned with the housing aperture. The spool valve further includes at least one stiffening and retaining rod inserted through the plate apertures and the housing.

Abstract: A medical valve has a first housing portion and a second housing portion capable of mating with the first housing portion to form an interior. The medical valve also has a valving element within the interior. The first and second housing portions have mating longitudinal snap-fit structures for longitudinally mating the first housing portion to the second housing portion. The first and second housing portions also have mating rotational snap-fit structures for substantially preventing the first housing portion from rotating relative to the second housing portion when the longitudinal snap fit structures are mated.

Abstract: A valve assembly including a valve, a mounting plate, a snap-together actuator, and a mounting bracket. The snap-together actuator is assembled by a set of snap wings that are attached to one piece of the actuator housing and inserted into slits in the other piece of the actuator housing. The actuator housing is then bolted to the valve and mounting plate. The mounting plate is received by the mounting bracket, which may be pre-mounted into place in the valve system. The mounting bracket contains a retaining clip and a snap wing that secures the valve mounting plate to the valve mounting bracket.

Abstract: The present invention provides multi-layer microfluidic systems, by providing additional substrate layers, e.g., third, fourth, fifth and more substrate layers, mated with the typically described first and second layers. Microfabricated elements, e.g., grooves, wells and the like, are manufactured into the surfaces between the various substrate layers. These microfabricated elements define the various microfluidic aspects or structures of the overall device, e.g., channels, chambers and the like. In preferred aspects, a separate microscale channel network is provided between each of the substrate layers.

Abstract: Two case members of the same shape are attached to the body of an expansion valve and a temperature sensing drive element through sound insulating members. Each of the two case members is formed having upper retaining and retainable portions at its upper part and lower retaining and retainable portions at its lower part. The upper retaining portion, upper retainable portion, lower retaining portion, and lower retainable portion of one of the case members are in engagement with the upper retainable portion, upper retaining portion, lower retainable portion, and lower retaining portion, respectively, of the other case member.

Abstract: To simplify and facilitate working/grinding or the like on a valve hole in a body for a valve reduce a manufacturing cost of the body for a valve. A body for a valve 10 provided with a valve hole for inserting a valve member slidably therein is formed by splitting the body for a valve on split faces 13 including an axial line of the valve hole and extending along directions of flow paths 12p, 12a, 12b, 12r communicating towards the valve hole from ports P, A, B, R opened to a body outer face and mutually joining body portion pieces which are respectively molded individually.

Abstract: The invention relates to a composite component, in particular a valve (10), and to a method for producing the composite component.

Abstract: This invention is directed to improvements in valve control housings, specifically those used in the consumer, commercial, and industrial markets to house gas control valves. The present invention includes a plastic body, the body being molded to accept valve components, an integral sealant being over-molded to the plastic body, and a case, the plastic body being sealingly surrounded by an outer case.

Abstract: An electromagnetically actuatable proportional valve (10) includes a valve part (14) with an actuator that controls pressure fluid connections, an actuator solenoid (12), and with a set of control electronics (16), controls the activation of the coil. The control electronics (16) are flanged mounted onto the actuator solenoid (12) or the valve part (14) and is thereby exposed to mechanical and/or hydro-mechanical vibrations. In order to vibrationally decouple the control electronics (16) from the valve part (14) and/or the actuator solenoid (12) at least one vibration-damping means in the form of a damping plate (18) between these components and the control electronics (16) is provided.

Abstract: In order to produce very complex fluidic connections of valves in an extremely small amount of space, a multivalve unit for flowing media such as air, water, or another fluid, has a sandwich-like plate structure (12) composed of two outer conduit plates (13, 15) and a central sealing plate (14) situated between them, as well as a housing (11) enclosing the plate structure (12). Front plate surfaces (131, 151) of the conduit plates (13, 15) oriented toward the sealing plate (14) are provided with flow conduits (16) that are covered by the sealing plate (14), and the back plate surfaces (132, 152) of the conduit plates (13, 15) are provided with inlet and outlet openings (17, 18) that communicate with flow conduits (16) (FIG. 1).

Abstract: The invention relates to a device for the control of gas flow in air conditioning systmes. The device comprises a two part housing for a damper element. The two parts are identical provided with male and female interconnection elements.

Abstract: The liquid distributor (1) for columns (6) has a main passage (2), a plurality of secondary passages (3) and an outflow system (5) of the main passage. The liquid (4) to be distributed can be fed into the secondary passages in accordance with a pre-set ratio by this outflow system. The outflow system (5) comprises apertures (20) in the side walls of the main passage and—associated with the secondary passages—guide elements (50) for the liquid (41) exiting through the apertures. The guide elements are designed with respect to a liquid guidance such that the liquid (42) can be led into the associated secondary passage.

Abstract: A solenoid valve has a valve body with an inlet and an outlet and a valve seat therebetween. A valve member is selectively engageable with the valve seat for controlling the flow of fluid from the inlet to the outlet. A biasing device is engageable with the valve member for holding the valve member against the valve seat. A solenoid assembly is mounted upon the valve member for moving the valve member away from the valve seat. A mounting arrangement is interposed between and connects the valve body and the solenoid assembly in a rotary, frictional engagement.

Abstract: A valve including a wall, a closure member, a motive force device, and a coupling member. The wall defines a flow passage that is disposed along a longitudinal axis. The closure member is disposed in the flow passage and is rotatable on a first axis that is oblique to the longitudinal axis. The closure member is rotatable between a first position that substantially prevents flow through the flow passage and a second position that generally permits flow through the flow passage. The motive force device rotates the closure member between the first position and the second position. The device includes a rotor that is rotatably supported by a bearing, a stator that is proximate to the rotor, and an overmolded housing that positions the stator with respect to the bearing. The coupling member conveys motive force from the device to rotation of the closure member.

Abstract: A valve body having one or more integral seal retention grooves and one or more interior hollows which may be manufactured using frictional or other types of welding to join two previously formed portions through at least one cylindrical web. Forging or casting valve body portions to near-net-shape prior to joining minimizes machining necessary to achieve a final desired shape. Finish machining of certain valve body surfaces prior to joining is optional. One or more interior hollows and an integral seal retention groove are formed in the welded valve body from features present on the portions joined by welding to form the body. Such valve bodies have relatively high stiffness for their weight and require only limited machining to achieve a final shape. Increased valve durability and reduced metal wear arise from the reduced valve body weight and correspondingly reduced impact loading as the valve body moves to seal against a valve seat.

Abstract: A pressure relief valve has a gasketed main body fastened to a vessel wall adjacent to a vent port, the body having a recess surrounding the port which receives a plastic insert removably coupled to the body by a retaining ring fastened to the main body. The insert defines a passage communicating with the port and a valve seat engageable by a seal assembly for closing the valve. The seal assembly includes an annular retainer for a seal O-ring and a plug receivable through the retainer and into a socket in a valve stem, which is spring-biased against the retainer and is guided in a guide assembly removably mounted on the main body. The insert is formed of plastic and the retainer and plug may also be formed of plastic and can be readily field-removable by simply unbolting the housing from the vessel and unfastening the retaining ring. The guide and bias assemblies need not be disassembled.

Abstract: A modular manifold system is provided for interconnecting fluid components of a fluid system in a reduced area. The system is comprised of a one or more bridge fittings having an internal fluid passageway which has an inlet end in fluid communication with an outlet port of a first fluid component, and an outlet end in fluid communication with an inlet port of a second fluid component. The bridge fittings may be mounted within a channel of a backing plate for structural support. An optional locator plate may be utilized which is mounted over the ends of the bridge fittings in order to align the inlet and outlet ports of the fluid components with the inlet and outlet ends of the bridge fittings. The bridge fittings may also be mounted to the locator plate in multiple directions forming multiple flow paths. Additionally, the bridge fittings may be stacked to form multiple layers where bridge fittings of one layer may be in fluid communication with bridge fittings of another layer.

Abstract: A valve system is provided for the hydraulic work system of a work vehicle, in particular of an industrial truck, with a elevating drive system for raising and lowering a load and a tilting drive system, each of which can be actuated by a control valve, in particular by an electrically actuated control valve, the opening width of which determines the speed of movement of the user. The elevating drive system is realized in the form of a single-action hydraulic cylinder and a check valve in the form of a seat valve that can be opened toward the hydraulic cylinder is located in a hydraulic line leading from the control valve to the hydraulic cylinder. The tilting drive system is realized in the form of a double-action hydraulic cylinder. The valve system has an improved function with low energy losses.

Abstract: A modular manifold system is provided for interconnecting fluid components of a fluid system in a reduced area. The system is comprised of a one or more bridge fittings having an internal fluid passageway which has an inlet end in fluid communication with an outlet port of a first fluid component, and an outlet end in fluid communication with an inlet port of a second fluid component. The bridge fittings may additionally comprise two or more ports, which one of said ports may be in fluid communication with a manifold on another substrate level. The bridge fittings may be mounted within a channel of a backing plate for structural support or in channel blocks of varying sizes. An optional locator plate may be utilized which is mounted over the ends of the bridge fittings in order to align the inlet and outlet ports of the fluid components with the inlet and outlet ends of the bridge fittings. The bridge fittings may also be mounted to the locator plate in multiple directions forming multiple flow paths.

Abstract: A multilayer ceramic micropump including a monolithic ceramic package formed of a plurality of ceramic layers defining therein an integrated first ball check valve, and a second ball check valve in microfluidic communication with the first ball check valve, and an actuator characterized as actuating a pumping motion, thereby pumping fluids through the first ball check valve and the second ball check valve.

Abstract: A medical valve has a first housing portion and a second housing portion capable of mating with the first housing portion to form an interior. The medical valve also has a valving element within the interior. The first and second housing portions have mating longitudinal snap-fit structures for longitudinally mating the first housing portion to the second housing portion. The first and second housing portions also have mating rotational snap-fit structures for substantially preventing the first housing portion from rotating relative to the second housing portion when the longitudinal snap fit structures are mated.

Abstract: A multilayer ceramic micropump including a monolithic ceramic package formed of a plurality of ceramic layers defining therein an integrated first ball check valve, and a second ball check valve in microfluidic communication with the first ball check valve, and an actuator characterized as actuating a pumping motion, thereby pumping fluids through the first ball check valve and the second ball check valve.

Abstract: The invention provides an improved gas cylinder and valve for filling or discharging a gas cylinder comprising a body having a first end, a second end, and an axial bore for providing a passageway for flow of fluid. A collar is provided having an outer surface for engaging an external member to the valve for accepting or discharging fluid. A core is provided having an axial bore for receiving a pin disposed within the body and providing a passageway for flow of the fluid. The first end of the body is adapted to removably mount and rotationally fix the collar. The first end of the body is further adapted to removably receive the core, whereby the core retains the collar on the body when the core is received by the body.

Abstract: To simplify and facilitate working/grinding or the like on a valve hole in a body for a valve reduce a manufacturing cost of the body for a valve. A body for a valve 10 provided with a valve hole for inserting a valve member slidably therein is formed by splitting the body for a valve on split faces 13 including an axial line of the valve hole and extending along directions of flow paths 12p, 12a, 12b, 12r communicating towards the valve hole from ports P, A, B, R opened to a body outer face and mutually joining body portion pieces which are respectively molded individually.

Abstract: This invention is directed to improvements in valve control housings, specifically those used in the consumer, commercial, and industrial markets to house gas control valves. The present invention includes a plastic body, the body being molded to accept valve components, an integral sealant being over-molded to the plastic body, and a case, the plastic body being sealingly surrounded by an outer case.

Abstract: A modular electronic throttle valve system for an internal combustion engine. A modular subassembly including at least a housing, motor, gear train and electronic sensors are mated with a two-piece air passageway subassembly. Bearings on the throttle shaft hold the throttle shaft in position in the clamshell member. A throttle shaft and throttle valve plate are either positioned in the modular subassembly with the housing, motor, gear train and electronic sensors, or included in the clamshell subassembly with a coupling member. The clamshell member and modular housing are secured together to form the completed electronic throttle control mechanism.

Abstract: A fluid control valve assembly including a microvalve for controlling fluid flow in a fluid circuit having a relatively high fluid pressure requirement, such as vehicular brake system, is fixed to an associated fluid distributing substrate with a high-pressure fluid connection. The fluid distributing substrate is provided with fluid passages adapted for connection to a fluid source to provide communication between the fluid source and the microvalve device. The connection between the microvalve and the fluid distributing substrate may include metallic connections forming electrical current paths between the microvalve and the substrate; solder joints forming part of the pressure boundary of the high-pressure fluid connection; underfill formed of elastomeric or other adhesive; and bonding between the substrate and the microvalves in only selected portions of the surface of the microvalve.

Abstract: Apparatus and method of assembling an interior fuel systems component suitable for immersion in liquid fuel in a tank to an exterior component of different material weldable to the fuel tank. The exterior component is preferably formed of HDPE having a hardness in the range of about RR-40 to RR-80 and has an array of projections extending therefrom. The interior component has a corresponding array of radially extending slots having barbed edges for push on connection to the projections. The slots permit sliding movement due to material swelling of the projection on the barbs without loosening of the connection. The internal component is preferably formed of material comprising a member of the group consisting of Polyamide, Polyketone and Polyphenylamide and having a hardness in the range of about R112, such that the barbs deform the lugs to maintain the connection.

Abstract: A throttle assembly including a bore wall to which a seal member is previously attached is inserted into a key-like slot of an intake air passage body, and flanges are fixed to each other by screws. A bore inner wall of the bore wall is placed to correspond to an inner wall of an intake air passage, and the seal member completely seals between the intake air passage body and the throttle assembly. That is, the throttle assembly including the seal member is inserted into the key-like slot, so that the throttle assembly is easily attached to the intake air passage body, a sealing mechanism therebetween is simplified, and a stress strain of the bore wall is prevented.

Abstract: The present invention provides multi-layer microfluidic systems, by providing additional substrate layers, e.g., third, fourth, fifth and more substrate layers, mated with the typically described first and second layers. Microfabricated elements, e.g., grooves, wells and the like, are manufactured into the surfaces between the various substrate layers. These microfabricated elements define the various microfluidic aspects or structures of the overall device, e.g., channels, chambers and the like. In preferred aspects, a separate microscale channel network is provided between each of the substrate layers.

Abstract: In order to eliminate a difference in ESD resistance caused by the polarities of excessive voltages applied to an external terminal and enhance the ESD resistance of a semiconductor integrated circuit device to both positive and negative overvoltages, a protection element having a thyristor structure, for protecting an internal circuit from the positive overvoltage and a protection element made up of a diode D1 for protecting the internal circuit from the negative overvoltage are provided between the external terminal and a ground potential.

Abstract: In a fluidic device, a space (35) is formed in a passage block (26) to which a plurality of fluidic modules are connected and which is provided, in its inside, with fluid passages (43, 47, 51) for connecting the plurality of fluidic modules to one another. An internal body (36) is received in the space (35). Channels (37, 38, 39) are formed in an outer surface of the internal body so that the channels (37, 38, 39) constitute part of the fluid passages.

Abstract: A valve body having one or more integral seal retention grooves and one or more interior hollows which may be manufactured using frictional or other types of welding to join two previously formed portions through at least one cylindrical web. Forging or casting valve body portions to near-net-shape prior to joining minimizes machining necessary to achieve a final desired shape. Finish machining of certain valve body surfaces prior to joining is optional. One or more interior hollows and an integral seal retention groove are formed in the welded valve body from features present on the portions joined by welding to form the body. Such valve bodies have relatively high stiffness for their weight and require only limited machining to achieve a final shape. Increased valve durability and reduced metal wear arise from the reduced valve body weight and correspondingly reduced impact loading as the valve body moves to seal against a valve seat.