Abstract: A valve (1) is introduced for a heat pump system in a motor vehicle, with at least one inlet (3), at least two outlets (2, 4) and a valve element (7) which comprises at least one throughlet (8) and at least one expansion recess (9) that can be brought into fluidic connection with at least one outlet (2, 4).

Abstract: A method to control flow separation over an airfoil, turbine blade or compressor blade includes providing an airfoil having a body with an upper surface and a lower surface that extend from a leading edge to a trailing edge; providing a flow separation control device having a plurality of openings on the upper surface of the body and a plurality of capillary tubes in gaseous communication with the plurality of openings; and injecting gas through the plurality of capillary tubes into a portion of the airstream passing over the uppers surface of the body.

Abstract: A fuel spray nozzle for a gas turbine engine, the fuel spray nozzle arranged to mix fuel and air and provide the mixture to a combustor of the engine and including: a first fuel supply conduit arranged to provide fuel to be mixed with air in a first ratio; a second fuel supply conduit arranged to provide fuel to be mixed with air in a second ratio, having a lower proportion of fuel than the first ratio; and a staging valve arranged to control the relative proportions of fuel provided through the first fuel supply conduit and the second fuel supply conduit, such that an increase or decrease in the flow in the first fuel supply conduit is accompanied by a corresponding decrease or increase in the flow in the second fuel supply conduit.

Abstract: The invention provides a flywheel system comprising a flywheel mounted for rotation within a chamber, a vacuum pump system and a valve for selectively closing a passage, wherein the chamber is coupled to an inlet of the vacuum pump system via the passage. The invention also provides a method of controlling the starting and stopping of the flywheel system.

Abstract: Disclosed is a self-cleaning double block and bleed valve. The valve includes a plug modified to divert a portion of the fluid flowing through the valve into and through a cavity located beneath the plug. The diverted fluid passing along a secondary flow path beneath the plug and subsequently rejoining the primary flow path. The diverted fluid removes debris, sediment or sludge from the cavity beneath the plug.

Abstract: A valve with a rotationally adjustable flow area can include a first member defining a first wall having a first opening therein, and a second member defining a second wall having a second opening therein, the first member being rotatable relative to the second member, and flow area through the valve being defined by fluidic communication between the first opening and the second opening that varies with relative rotational position between the first member and the second member.

Abstract: A spool for a hydraulic valve includes a cylindrical body having a first end, a second end disposed opposite the first end, and an annular wall defined by an internal surface of the cylindrical body and an external surface of the cylindrical body. The annular wall defines a plurality of holes therethrough. The internal surface defines a first chamber, a second chamber, and a slot chamber within the cylindrical body, the second chamber being in fluid communication with the plurality of holes via the first chamber, the slot chamber being located between the second chamber and the second end of the cylindrical body. The annular wall defines a slot therethrough, the slot extending from the second end of the cylindrical body toward the first end of the cylindrical body along the longitudinal direction, the slot being open at the second end of the cylindrical body along the longitudinal direction.

Abstract: This hydraulic braking device is provided with: a tubular cylinder; an assisting piston, which is housed in the cylinder so as to be able to move reciprocally, faces a reservoir formed inside the cylinder, and assists a master piston, in a master cylinder, that generates hydraulic pressure for generating a braking force by reciprocally moving from one side to the other as a result of a fluid flowing into the reservoir from a supply source; and a seal member, which is elastically deformable and which seals the reservoir. When the assisting piston is at a location on one side, the reservoir is compartmentalized into a first chamber that communicates with the supply source, and a second chamber that communicates with the first chamber through a restricting flow passage, and the seal member seals the second chamber.

Abstract: A coolant control valve device may include a plurality of coolant passages through which a coolant passes; a valve including a plurality of valve wings, wherein each of the valve wings is disposed at an inlet of each of the coolant passages, respectively and has different heights from each other; and a driver moving the valve in a vertical direction thereof, wherein the valve opens and closes some or all of a plurality of inlets with a difference in time, depending on a movement range of the valve.

Abstract: Disclosed is a valve device for an air spring strut of an air suspension system of a motor vehicle, having a valve unit and a housing which receives the valve unit and has a bearing face for mounting a head bearing of the air spring strut on the valve device. The housing has a surface section for supporting the valve device in the air spring strut in a positively locking manner, with the result that a force which is exerted by the head bearing on the valve device can be introduced via the housing into the air spring strut. A supporting section is configured on the surface section of the housing, onto which supporting section an exchange element which can be disconnected from the housing can be arranged from the direction of a center longitudinal axis of the valve device for supporting on the housing in a positively locking manner.

Abstract: A fluid valve includes a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway. A valve seat is disposed within the fluid passageway. A fluid control member is movably disposed within the fluid passageway, the fluid control member cooperating with a trim assembly to control fluid flow through the fluid passageway. The trim assembly includes a cage having a plurality of openings that characterize fluid flowing through the cage and a plurality of chevrons surrounding each opening that suppress noise generated by the plurality of openings.

Abstract: A vacuum belt moves between a print head and a manifold. The manifold has manifold chambers, and each of the manifold chambers has manifold openings. Vacuum lines are connected to the manifold chambers. The vacuum lines exert vacuum force upon the manifold chambers, and the manifold openings exert the vacuum force through belt perforations. A cylindrical valve structure is connected to the vacuum lines. The cylindrical valve structure includes a cylindrical sleeve (having sleeve openings connected to the vacuum lines) and an internal valve cylinder positioned within the cylindrical sleeve. The internal valve cylinder has groups of vacuum slots. The internal valve cylinder moves linearly within the cylindrical sleeve (in directions parallel to cylindrical walls of the cylindrical sleeve) to align only one of the groups of vacuum slots with the sleeve openings at a time, so as to control which of the manifold chambers receive the vacuum draw.

Abstract: A system for fracturing a hydrocarbon bearing formation includes a valve including a tubular housing having a bore therethrough and one or more flow ports formed through a wall thereof. One or more locator tags are embedded in the housing, and a sleeve is disposed in the housing and movable relative thereto between an open and a closed position. The system also includes a shifting tool comprising a shifter movable between an extended position and a retracted position and operable to engage the valve sleeve. The shifting tool includes a lock that keeps the shifter extended in the locked position and allows the shifter to retract in the unlocked position. The shifting tool also includes an antenna for detecting the locator tags, and an electronics package in communication with the antenna and the actuator for operating the actuator in response to detection of the locator tags.

Abstract: A ball valve comprising a housing comprising a fluid passage, a first seat surface, a second seat surface, and a ball rotatably movable within the housing between an open position allowing flow through the fluid passage of the housing and a closed position preventing flow through the fluid passage of the housing, wherein the ball contacts the first seat surface and the second seat surface to form one or more seals within the ball valve, wherein the ball comprises a fluid passage and a fluid path, wherein the fluid path fluidly connects a space between the first seat surface and the second seat surface with the fluid passage of the housing, with the fluid passage of the ball, or both, when the ball is in the open position.

Abstract: Provided is a cosmetics container.

Abstract: This invention provides a fluidic device comprising a diaphragm valve having a fluidics layer, an actuation layer and an elastic layer between the fluidics layer and the actuation layer, the elastic layer having a diaphragm that is mechanically sealed against the fluidics layer and the actuation layer by a sealing ring in the actuation layer.

Abstract: A dual outlet fluid valve capable of obtaining a closed state operation mode for both outlet ports, a low flow operation mode for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least five distinct operating conditions can be obtained. The fluid valve is not charged with fuel when in a closed position.

Abstract: The invention relates to a single-lever mixing cartridge, comprising a head piece (1), which accommodates a bottom piece (8), and a disk control having a control disk (5) that can be displaced via an at least pivotably mounted spindle (2). An outer thread for screwing into a fitting is provided, and a fastening ring (16) is provided which has the external thread (161) and which is placed on the head piece (1) and is captively held thereon.

Abstract: A coolant reservoir and associated multi-functional unit for a thermal sub-system of a fuel cell system. The coolant reservoir includes a flame arrester positioned in a gas region of the reservoir. The multi-functional unit includes a first pressure relief valve that automatically opens if the pressure within the gas region goes above a first predetermined pressure. The multi-functional unit may also include a second pressure release valve that quickly releases pressure in the coolant reservoir if the pressure within the gas region goes above a second higher predetermined pressure. The multi-functional unit also includes an air-line and a check valve for allowing ambient air to enter the gas region if the pressure within the gas region falls below ambient pressure. The multi-functional unit also includes a cooling fluid fill line having plumbing that causes the coolant reservoir to vent prior to a cooling fluid cap being removed.

Abstract: Expansion reservoir (1) for a coolant circuit, having a fill opening (3) that can be closed by a lid (2) and is located in the geodetically upper region of the expansion reservoir (1), wherein a differential-pressure-controlled valve (4) having at least two switching positions is integrated into the lid (2), and having at least one inlet port (5) which opens into a lid region (10), and an outlet port (6) in the geodetically lower region of the expansion reservoir (1), wherein the inlet port (5) is closed by the valve (4) in a first switching position and is opened in at least one second switching position, thus allowing the inlet port (5) to vent into the expansion reservoir (1).

Abstract: A vapor-liquid separating space is provided in a body. The body houses a fixed throttle-decompressing liquid-phase refrigerant, and an integration valve member selectively opening or closing a liquid-phase refrigerant passage and a vapor-phase refrigerant passage. The integration valve member is moved by a stepping motor connected to the integration valve member via a shaft. Accordingly, a cycle configuration of a heat pump cycle working as a gas injection cycle can be simplified.

Abstract: A series progressive divider valve comprises a valve body and pistons. A fluid inlet extends into the valve body. Stations are disposed in the valve body and extend from a first end to a second end; each station comprises piston stations extending through the valve body and a bypass station fluidly isolating the first end from the second end. The piston stations comprise a piston bore and a piston. The bypass stations comprise first and second fluid passages extending from the first and second ends to positions inside the valve body. Outlet bores extend into the valve body, and each comprises first and second sets of outlet bores. Porting forms passageways connecting the stations to each other and with the outlet bores such that when high pressure fluid is applied to the inlet the pistons reciprocates from the first end to the second end in sequence.

Abstract: An indexing arrangement (10) includes a rotor (12) ; a stator (14) spaced from the rotor; a rotary seal (16) located between the rotor and the stator, with the seal being rotatable with the rotor; means for urging the rotary seal into sealing contact with the stator; ports (20, 24, 22) in the rotor, in the stator and in the rotary seal; and connecting means (26) for connecting respective ports (20) in the rotor with respective ports in the rotary seal; so that in use fluid can flow through the ports in the rotor, into the ports in the rotary seal via the connecting means, and out through the ports (24) in the stator.

Abstract: A switching valve is proposed that switches between at least two different outlets with the aid of a valve closing body and a valve seat. The valve contains an actuating device that can be actuated by the user. The actuating device acts on an advancing device that advances the valve closing body from a stable, discrete position into another stable, discrete position. The advancement can be caused either by the interaction of beveled surfaces or by means of the flow of water.

Abstract: A series progressive divider valve comprises a valve body and pistons. A fluid inlet extend into the valve body. Stations are disposed in the valve body and extend from a first end to a second end; each station comprises piston stations extending through the valve body and a bypass station fluidly isolating the first end form the second end. The piston stations comprise a piston bore and a piston. The bypass stations comprise first and second fluid passages extending from the first and second ends to positions inside the valve body. Outlet bores extend into the valve body, and each comprises first and second sets of outlet bores. Porting forms passageways connecting the stations to each other and with the outlet bores such that when high pressure fluid is applied to the inlet the pistons reciprocates from the first end to the second end in sequence.

Abstract: A gate valve has a gate movable between open and closed positions within a valve body, and walls in the gate defining an equalizer port between opposite sides of the gate. The equalizer port is adapted and arranged to be shiftable by actuation of the gate between closed and opened positions and between opened and closed positions.

Abstract: Damping valve assembly includes a first damping valve, which, in a first operating range, opens as the flow velocity of the damping medium increases, where a second operating range with a progressive damping force characteristic is influenced by a throttle in conjunction with a control slide, which can be moved into a closed position. The control slide has a pressure-actuated surface, which, as a function of the flow velocity of the damping medium, acts in the closing direction on the control slide.

Abstract: A sequential distributor of gases/liquids for sequential, discrete, distributions of gases/liquids in specific time intervals to the most distal parts of an extremity to the most proximal part of an extremity comprising an outer cylinder having a plurality of rows of openings formed through the cylinder, an inner distributing cylinder slidably mounted within the outer distributing cylinder, a motor driving the inner cylinder, a transfer block having a pressure sensor attached to the inner cylinder, and a plurality of output hoses connected to the openings in the outer cylinder. The distributor is supplied with air by an external pump and the cycling of the gases/liquids are controlled by a computer.

Abstract: Apparatus and Methods are provided for a microfabricated fluorescence activated cell sorter based on a switch for rapid, active control of cell routing through a microfluidic channel network. This sorter enables low-stress, highly efficient sorting of populations of small numbers of cells (i.e., 1000-100,000 cells). The invention includes packaging of the microfluidic channel network in a self-contained plastic cartridge that enables microfluidic channel network to macro-scale instrument interconnect, in a sterile, disposable format. Optical and/or fluidic switching forces are used alone or in combination to effect switching.

Abstract: A valve which is composed of: —A seal consisting of two identical ferromagnetic discs (1), which enclose another smaller-diameter disc (2) and a permanent magnet, the rims (3) of the outer discs (1) being bevelled and the three discs conjointly forming a perimeter groove housing a spring ring (4), —A valve body in two superimposed parts (5)-(5?) with an intercommunicating chamber (6), inside which the rolling movement of the seal can take place, —Seal movements means consisting of: a bi-metal conductor (8) and an opposing spring (9).

Abstract: In an oil flow control valve (OCV) according to the present invention, a first volume varying chamber is adapted to communicate with a second volume varying chamber through a second plunger breathing path, and the second volume varying chamber is adapted to communicate with a first breathing hole through an intra-plunger breathing path, an intra-shaft breathing path, and a third volume varying chamber. That is, the breathing path to the second volume varying chamber is long and the volume thereof is large, and the breathing path to the first volume varying chamber is still longer and larger in its volume. Consequently, the amount of foreign matters getting into the first and second volume varying chambers can be decreased and therefore it is possible to prevent the occurrence of an operation defect of the OCV.

Abstract: A low hysterisis fuel control valve for proportioning fuel being supplied to the combustor of the turbine engine into a first portion for delivery to primary fuel nozzles and a second portion for delivery to secondary fuel nozzles is provided. The valve includes a piston mounted within a linear ball bearing bushing. In response to fuel pressure, the piston is continuously operable between a first position where said no fuel flow to the fuel nozzles occurs, a second position where fuel flows to the primary nozzles and a third position where fuel flows to the secondary nozzles.

Abstract: A cock according to the present invention comprises a cylindrical main body, a plug inserted into the main body liquid-tightly so as to be turned normally and reversely, a mounting flange mounted to the main body, a first cock part permitting a first inflow port and a first outflow port on the main body side to be opened and closed through a first connection port on the plug side, and a second cock part permitting a second inflow port and a final outflow port on the main body side to be opened and closed through a second connection port on the plug side, wherein the final outflow port is formed in the main body along a perpendicular direction, and the first cock part is controlled to start opening slightly later than the second cock part and also to start closing slightly earlier than the second cock part.

Abstract: A vacuum suction force control apparatus is disclosed by way of a duct, having an entrance port and at least one exit port. Flow of suction force is controlled by moving a piston-like plunger inside the duct, connecting the entrance port to one, or simultaneously, multiple, adjacent exit ports. The present invention achieves known vacuum distribution without utilizing prior art electromechanical vacuum valves and associated electrical control cabling and power supply equipment. Therefore, the present invention is inherently capable of maintaining a particular, temporary distribution configuration without requiring electrical nor mechanical energy.

Abstract: A wash system for a fluid handling system that permits simultaneous washing of a plurality of parallel fluid channels is disclosed. In one aspect of the invention, a specialized rotary wash valve is described. In another aspect of the invention a system which incorporates wash and selector valves is described which permits a plurality of separate fluid lines emerging from the selector valve to be washed simultaneously.

Abstract: A wash system for a fluid handling system that permits simultaneous washing of a plurality of parallel fluid channels is disclosed. In one aspect of the invention, a specialized rotary wash valve is described. In another aspect of the invention a system which incorporates wash and selector valves is described which permits a plurality of separate fluid lines emerging from the selector valve to be washed simultaneously.

Abstract: A gas burner configuration for cooking areas includes a multi-ring gas burner having an inner burner with laterally aligned gas/air mixture outlet openings and an annular outer burner, disposed at a spacing from the inner burner, with gas/air mixture outlet openings. A hand-operated gas fitting directs, meters, and shuts off the combustion gas, which can be fed to the multi-ring burner through separate pipelines. The gas fitting has valves and three gas duct branches to be opened and closed by the valves using an operating member adjustable to different setting positions. Two of the branches each provide a constant gas throughput, and the third provides variable gas throughput. One of the constant gas throughput branches is associated with the inner burner and is opened by one valve over and entire actuating path of the operating member. The other of the constant gas throughput branches and the variable throughput branch are associated with the outer burner and opened by other valves.

Abstract: A fuel control system for supplying metered quantities of fuel from a fuel supply (11), through a fuel pump (13), a metering valve (15) and a pressurizing valve (17) to a plurality of engine fuel manifolds (31a, 31b, 33) includes an ecology valve (43) for withdrawing fuel from the engine fuel manifolds (31a, 31b, 33) during cessation of engine operation and for returning fuel to the engine fuel manifolds (31a, 31b, 33) to be burned during normal engine operation. The ecology valve (43) includes a valve housing (44) having a plurality of ecology ports (50, 52, 54) adapted to be coupled to corresponding ones of the engine fuel manifolds (31a, 31b, 33) and a control port (46) adapted to be connected to a corresponding control port (45) of the fuel pressurizing valve (17).

Abstract: A seat valve for controlling pneumatic or hydraulic pressure between at least two pressure fluid channels (8, 8′) includes a valve closure member (5) connected to a magnetic armature (4), a spring for the basic positioning of the valve closure member (5) in relation to a valve seat (7) in the valve housing (6), a magnetic core and a valve coil for the translatory movement of the magnetic armature (4). A control channel (1), a tappet (2), a sleeve (2′), a rotating field winding (3), and an opening 3′) are provided to produce a rotary movement of the magnetic armature (4) and to transmit the rotary movement to the valve closure member (5) for the variable control of a pressure fluid passage.