Abstract: Faucets are provided with joystick type control handles. The joysticks are provided with springs outside the main valve housing either between the joystick handle and lever stick, or between the joystick handle and an associated ball. In the latter case the ball retains a sliding disk.

Abstract: A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball stem is manually movable in two separate and independent directions of motion. There is frictional loading on the ball stem such that movement in one direction to control the water temperature has a frictional loading that is higher than the frictional loading in the other direction to control the flow rate. A spring-biased guide pin is used to increase the frictional loading in the one direction.

Abstract: A diverter assembly includes a main body, a valve device and a movable body. The main body is hollow and has a water inlet tube and two water outlet tubes. One of the two water outlet tubes is communicated through a hose to a shower nozzle. The valve device is disposed on the main body and has a valve capable of linearly moving back and forth for steplessly communicating the water inlet tube with either or both of the water outlet tubes. The movable body is pivotally disposed at one end of the main body, and has a hole for the shower nozzle to be inserted in. Thereby, the diverter assembly can steplessly adjust the valve position for controlling the water to flow out from either or both of the water outlet tubes.

Abstract: A mixer tap assembly is shown which has a mixing chamber for mixing fluids from two inputs, and a mix controller to control the ratio of fluid flow into the mixing chamber from the inputs. The mix controller includes a mix actuator which operates a mix control apparatus, such as a rotatable sleeve, which is connected to a mix valve apparatus associated with the mixing chamber. The mix actuator and a fluid outlet are mountable on or above a work surface via a mounting apparatus, while the mixing chamber is mountable below the work surface. Furthermore, the mix control apparatus and an output conduit, between the fluid outlet and the mixing chamber, pass through a bore in the mounting means, so minimizing the footprint of the mixer tap assembly on the work surface.

Abstract: A connector has a connection port closed by a sealing member. The connection port is attached to a first body portion which in turn is connected to a second body portion by an elastic bellows. When a Luer connector is withdrawn from the port, the bellows first extends and then retracts creating an overpressure within the connector.

Abstract: A connector, for example a Luer connector, has a sealing element such that when a connection is made to the connector, the sealing element is displaced into the connector, opening a fluid flow channel through the connector. The sealing member may include a slit on a lower surface thereof to ease the displacement of the sealing member.

Abstract: A three-way valve body comprises a throat defining a generally cylindrical throat cavity. At least one flow diverter is carried by the valve body and extends into the throat cavity. The flow diverter advantageously interrupts any circulatory fluid flow within the throat cavity, thereby increasing the efficiency at which fluid flows through the valve body. In one embodiment, the at least one flow diverter can comprise one or more ribs integrally formed with the valve body and disposed parallel to a central axis of the throat cavity.

Abstract: Faucets are provided with joystick type control handles. The joysticks are provided with springs outside the main valve housing between the joystick handle and an associated ball. The ball retains a sliding disk.

Abstract: A fuel control system (10) for a gas turbine engine includes a main fuel inlet line (18), an auxiliary fuel inlet line (20) and an engine fuel outlet line (16). A first flow path extends from the main fuel inlet line (18) to the engine fuel outlet line (16) and a second flow path extends from the auxiliary fuel inlet line (20) to the engine fuel outlet line (16). A check valve (22) in the first flow path allows fuel flow through the first flow path in a direction from the main fuel inlet line (18) to the engine fuel outlet line (16) and substantially prevents fuel flow through the first flow path in a direction from the engine fuel outlet line (16) to the main fuel inlet line (18). The check valve (22) is shiftable between a first position connecting the auxiliary fuel inlet (20) to the engine fuel outlet (16) and a second position blocking the second flow path. Also a method of controlling fuel flow in a fuel control system of a gas turbine engine.

Abstract: Mixer for a jet spray including a regulator equipped with hot and cold water inlets, a mixed water outlet and shutters arranged between the outlet and, respectively, the hot water inlet and the cold water inlet; motorized means for actuating the shutters; an interception assembly, comprising a manifold mounted axially on the outlet of the regulator, at least one outlet, and an interceptor for blocking and unblocking the supply of water towards the outlet; and a substantially box-shaped outer housing comprising holes at which the inlets of the regulator and the outlet of the interception assembly are positioned for the hydraulic connection of the inlets and the outlet to respective hydraulic pipes

Abstract: A unique valve assembly for simulated bed moving chromatography employs a combination of pressure compatible sealable materials that permit minimal frictional interaction between moving parts, ensures alignment of parts, and provides a method for conducting SMB countercurrent chromatography on a small scale, in which purity and separation efficiency are enhanced. Machine designs are disclosed which embody the SMB concepts. Finally, a quick disconnect connector and adaptor is provided for mounting chromatographic columns in an SMB device. Demonstration of this system in a fructose-glucose isomer separation with purity-recovery trade-off for this device is also presented.

Abstract: A valve assembly for preventing backflow and siphoning in a plumbing line, the valve assembly comprising a valve body including a first end having a first aperture for receiving liquid from a supply source, a second end having an exit port for releasing liquid to a demand source, and a second aperture for receiving air. The assembly further includes a variable thickness diaphragm located within a valve chamber having a first and a second portion, the first portion for influencing the flow of liquid in the first aperture and the second portion for influencing the flow of air in the second aperture, the second portion having a flex line for enhancing the amount of flexing provided by the second portion. The first portion further includes a protuberance for enhancing the strength of the diaphragm during low vacuum sealing conditions.

Abstract: The invention provides a water faucet including a novel joystick mixing cartridge with internal structures that provide a direct path for water to be discharged from the faucet. The faucet includes a main body portion, a discharge segment and a handle that an operator actuates to deliver water at a desired temperature through the discharge segment. The cartridge includes a housing defining an internal chamber and a lower disk positioned within the chamber. The lower disk has a cold water inlet, a hot water inlet and a mixed water outlet. An intermediate disk is positioned adjacent the lower disk and includes a recessed mixing cavity extending inward from a lowermost wall. The intermediate disk includes a dual lobe sealing element that extends radially inward from the lowermost wall to provide the mixing cavity with an arcuate configuration. An upper disk is positioned adjacent the intermediate disk and a seat is positioned adjacent the upper disk within the chamber.

Abstract: In one embodiment, a frost-free sillcock is provided. The sillcock has a single handle which rotates to control the temperature of the discharged fluid. The handle also moves axially toward and away from a mounting surface to control the volume of fluid discharged from the sillcock. Furthermore, the sillcock has valve components disposed on the inside of the mounting surface which can be serviced from outside of the mounting surface.

Abstract: A converter valve allows product dispenser operator to change from a first fluid source to a second fluid source without fluid crossover. The converter valve includes a first port in fluid communication with a dispense point, a second port in fluid communication with a first fluid source having a first fluid, and a third port is in fluid communication with a second fluid source having a second fluid. The converter valve includes a passage between the first and second ports, and a plug in fluid communication with third port. The second and third ports of the converter valve are disposed symmetrically about the first port, and, accordingly, the converter valve is rotatable about the first port. As such, the converter valve delivers the first fluid to the dispense point, and delivers the second fluid through the passage to the dispense point when the converter valve is rotated.

Abstract: A valve includes a generally cylindrical housing including first and second end portions that are offset from each other along a longitudinal axis of the generally cylindrical housing. First and second inlet ports are arranged on one of said first or second end portions, and at least one outlet port is arranged on one of said first or second end portions. A disk is disposed in the generally cylindrical housing and is configured to independently control both mixing and flow rate of fluid flowing into at least one of the first and second inlet ports.

Abstract: A faucet assembly includes a body having a handle pivotably connected thereon, a hot water connection end and a cold water connection end are located at two ends of the body. An outlet pipe is located between the hot water connection end and the cold water connection end. A coating is coated on the body and composed of temperature-sensible or light-sensible material. The coating changes its color according to temperature of the water passing through the outlet pipe or type of light so that the users are acknowledged the status of the water coming from the faucet assembly.

Abstract: A mixing valve assembly (10) having a main housing (12) with a mixing chamber with hot (22) and cold (24) fluid inlets and an outlet (20) allowing hot and cold fluid to enter and exit the mixing chamber (14). The valve assembly also has a cold fluid bypass pipe to allow a proportion of cold fluid flowing into the valve housing to exit the housing via a cold fluid outlet (34) without entering the mixing chamber.

Abstract: A faucet includes a body with a first fluid inlet, a second fluid inlet, an outlet and a neck portion with a central cavity defined therein, a mixing chamber positioned within the central cavity of the neck portion of the body, a timing mechanism coupled to the mixing chamber and an operating handle coupled to the timing mechanism that is movable along a longitudinal axis from a closed position to an open position. The mixing chamber is rotatable about the longitudinal axis and includes a first inlet port and a second inlet port in fluid communication with the first and second fluid inlets of the body, respectively, and an outlet port in fluid communication with the outlet of the body.

Abstract: A one-handle valve cartridge has one or more lobular keys formed on a housing of the valve cartridge. The lobular keys interface with keyways formed in a valve body.

Abstract: Systems and methods are provided for hydrogen generation utilizing two or more liquid fuel components, using a fuel delivery system comprising a single reversible or bi-directional pump co-operable with flow control means comprising passive or active valves to deliver two or more fuel components to a mixing zone, reaction zone, or reaction chamber of a hydrogen generation system. The pump is operable in a forward direction to deliver one fuel component, and in a reverse direction to deliver a second fuel component. Control of the pump speed, direction and duty cycle of the pump in continuous or pulsed modes provides for delivery of first and second fuel components in desired proportions, to control hydrogen generation. The system also allows for dilution, mixing and flush cycles to be provided using a single pump, reducing the number of active elements required for fuel delivery and flow control in systems using two or more liquid fuel components.

Abstract: A faucet including a waterway assembly fluidly coupled to a valve assembly.

Abstract: A thermostatic faucet including a holder configured to be coupled to a mounting deck and a thermostatic valve assembly supported by the holder and configured to be removed from above the deck.

Abstract: Disclosed is a swivel faucet, such as one having a pull-out sprayer. In one aspect the inlet and outlet lines are formed in an integral structure with a transverse plate that faces a mixing valve. In another aspect the control handle for the faucet is provided with a concentric visible bore and hidden set screw bore combined with a bushing having a cutout to facilitate their use. In still another aspect there is provided a bearing that mounts to a pivotable sprayer and provides distinct swivel positions through the use of a detent connection to a land.

Abstract: In certain embodiments, an apparatus includes a control valve for regulating fuel flow. The apparatus can include a burner and a valve assembly. In some embodiments, the valve assembly includes a housing, which can define a first fuel input for receiving a first fuel from a first fuel source and a second fuel input for receiving a second fuel from a second fuel source. The housing can define a first fuel output for directing fuel toward the control valve, and can define a third fuel input for receiving a portion of either the first fuel or the second fuel from the control valve. The housing can define a first egress flow path and a second egress flow path, each for directing fuel to the burner. In certain embodiments, the apparatus includes a valve body configured to selectively permit fluid communication between the first and second inputs and the output and between the third input and the egress flow paths.

Abstract: A plurality of water processing units are connected together, in sequence, to produce one processed water, and tap-off connections are installed within various interconnections between various water processing units, to produce a plurality of different processed waters. The different processed waters from the sequence of water processing units and the tap-off connections are input to a plurality of input ports of a water faucet, the faucet having a selectable mode valve for outputting a selectable one of the different processed waters. Optionally, a condition of the water processing is monitored by a data processor.

Abstract: The present invention relates to a temperature control faucet with an improved structure in the valve technical field. The temperature control faucet addresses the defects existing in the prior art of inconvenient control and narrow range of use. The temperature control faucet of the invention comprises a valve body which has two inflow conduits and an outflow conduit, and a temperature control valve set in the valve body. The temperature control valve is arranged at the convergence of cold water and hot water of the inflow conduits within the cavity of the valve body. The temperature control valve is linked with a turn handle out of the valve body. A flow valve is provided at one end of the outflow conduit of the valve body to control the flow rate. The temperate and the flow rate could be separately controlled by the temperature control faucet with an improved structure of the invention. Therefore, the faucet is conveniently used, and has a small volume and a wide range of use.

Abstract: The present invention is directed to a thermostatic water mixing valve having a sub-base coupled to a base, both having a hot water inlet, a cold water inlet and a mixed water outlet. A disk assembly including a lower or stationary disk and an upper or rotatable disk are positioned on the base. Each disk includes a hot water inlet, a cold water inlet and a central opening. The lower disk also has a peripheral notch that receives an extent of an engaging member that extends from a sidewall of the base, while the upper disk has a peripheral cavity that also receives an extent of the engaging member. A cap is coupled to the upper disk, wherein the cap and the upper disk rotate as a unit with respect to the lower disk. The cap has a hot water cavity and cold water cavity positioned about a central opening. A cartridge assembly extends through the cap and includes a collar with at least one aperture aligned with the cold water cavity of the cap.

Abstract: The invention relates to a sanitary outflow fitting, especially a single-lever mixer (1), comprising, in a manner known per se, a housing (2) provided with at least one admission (5, 6) for water, and one outlet (49). A control cartridge (26) is located inside (10) the fitting housing (2), the manually operable control lever (34) of said cartridge controlling the flow of water through the outflow fitting (1). The aim of the invention is to be able to use a conventional control cartridge (26) with the admission and outflow openings thereof located on the lower side, even when the outflow (49) is in the upper or uppermost region of the outflow fitting (1). To this end, the control cartridge (26) is arranged inside a receiving insert (14). Water arriving towards the control cartridge (26) and leaving the same flows through said receiving insert (14).

Abstract: A ceramic control valve includes a valve casing, and a control device including a linking seat and a control lever. The drive block of the control lever has a spherical surface. The receiving hole of the linking seat has a wall having a first portion in contact with the spherical surface of the drive block and a second portion spaced from the spherical surface of the drive block, thereby forming a plurality of gaps. Thus, the gaps located between the drive block and the receiving hole keep a smooth circulation of the air flow, thereby preventing the drive block from being jammed in the receiving hole due to deformation of heat expansion, so that the control lever is operated normally.

Abstract: A multi-stage pedal control water supply installation includes a tap provided with water inlet and water outlet, a control valve with orifice, a linking unit, one or a plurality of pedal, and a flow control unit; the flow control unit being disposed by one side of the pedal to interfere with displacement of the pedal thus for the linking unit to control the overlapped area between water inlet and water out at the valve orifice to achieve the purpose of water supply at various stages with variable amount of water supplied.

Abstract: A mixing valve (10) includes a valve body (12) having a hot fluid inlet (14), a cold fluid inlet (16), a mixed fluid outlet (18), and a cavity (20) in the valve body (12) between the inlets (14, 16) and the outlet (18). Mixing valve (10) includes a liner (30, 130, 230, 430, 530, 630, 730, 830) positioned in valve body (12) and a valve member (40, 140, 240, 340, 440, 540, 640, 740, 840) movable therein between a first position restricting the flow of hot fluid and a second position. Liner (30, 130, 230, 430, 530, 630, 730, 830) includes a downstream valve seat (74, 174, 274, 474, 574, 674, 774) that, when engaged by valve member (40, 140, 240, 340, 440, 540, 640, 740, 840), restricts flow of hot fluid past valve member (40, 140, 240, 340, 440, 540, 640, 740, 840).

Abstract: A multi-stage pedal control water supply installation includes a tap provided with water inlet and water outlet, a control valve with orifice, a linking unit, one or a plurality of pedal, and a flow control unit; the flow control unit being disposed by one side of the pedal to interfere with displacement of the pedal thus for the linking unit to control the overlapped area between water inlet and water out at the valve orifice to achieve the purpose of water supply at various stages with variable amount of water supplied.

Abstract: A single handle mixing valve of the plate valve type where a single stem controls both the temperature and flow output from the valve. A control plate having an opening is positioned over the stem and has at least one surface defining limits of stem movement. An actuating ring positioned within an exterior cover for the mixing valve has inwardly facing cam surfaces, which interact with the control plate to adjust either maximum temperature or maximum flow from the valve. The actuating ring has a tab extending to the outside of the exterior cover for convenient operator manipulation without the need for disassembly or the use of tools.

Abstract: The present invention relates generally to fluid control valves and, more particularly, to a mixing valve for use within a faucet.

Abstract: A mixer cartridge contains a plate-type control system, the control plate of which is displaceable and twistable by an actuating element configured as a double-armed lever. The displacement leads to an opening and closing of the valve, while the twisting serves to alter the temperature. According to the invention, it is envisioned that the maximum opening and closing position of a holding plate controlling the movable control plate is limited by stops. For the actuating element, a stop is also provided, which acts in the same way, yet is arranged such that it still has a minimum distance from the actuating element when the holding plate is already bearing against the stop.

Abstract: A fluid control valve for controlling the delivery of water includes a control stem that is movable by rotation of the control stem about two independent axes, and which is configured to control operation of a movable plate having an outer peripheral edge configured to control the flow of fluid through a plurality of fluid passageways.

Abstract: An internal housing for a sanitary fitting has a receiving opening for receiving a control cartridge. The receiving opening is bounded along its circumference by a wall and at its lower end by a base. In order to supply water to the control cartridge, the internal housing has an inlet opening passing through the base. A discharge opening for the discharge of the water flowing out from the control cartridge also passes through the base. In order to ensure a leak-tight transition between the internal housing and the control cartridge, an inlet seal groove open on its upper side and completely surrounding the inlet opening, and a discharge seal groove open on its upper side and completely surrounding the discharge opening are formed in the base. The inlet seal groove is for receiving an inlet seal element and the discharge seal groove is for receiving a discharge seal element that consequently bear against the internal housing and against the control cartridge.

Abstract: A thermostatic mixing valve for hot and cold water has two-stage inlet chambers for the hot and cold water flows respectively. The inlet chambers distribute the flows uniformly with respect to porting for admitting the flows to the mixing chamber to reduce asymmetric flow patterns and promote thorough mixing of the flows within the mixing chamber.

Abstract: The present invention relates to a cartridge for adjusting the flow rate and mixing of water flows in faucets in general, comprising a cartridge body therefrom a rod to which a drive knob is coupled projects. The main feature of the invention is that the cartridge further comprises a reed spring coupled to the drive rod and operating between the drive or controlling knob and a rod supporting element. On the rod supporting element are provided cam elements which cooperate with the spring reed for setting the pushing load detectable by the user as he/she operates the rod.

Abstract: An automatic cold water feed-back mechanism for a single handled faucet includes a valve housing for a valve stick, a base mount, a switching valve, a valve seat to be adapted therein, a limiting valve mounted at the upper section of the valve housing, and a cold water feed-back mechanism made up of an actuating member and a spring member to be mutually engaged with the limiting valve thereof. The valve stick is provide with a linkage rod properly protruding at the upper surface of a valve stick seat thereon to be fixedly attached to a locating support block of the actuating member thereof. In operation when the valve stick is switched off at the position of either mixed cold/hot water or hot water discharge, the valve stick is flexibly retracted back to its position of cold-water discharge via the spring member of the cold water feed-back mechanism thereof.

Abstract: A standing pipe faucet assembly manufactured by a process separately manufacturing a faucet body and a separate body to simplify the process and lower its manufacturing cost effectively includes a faucet body made of a hollow copper pillar, a blocking rim formed at the top of the faucet body for fixing a separate body, an outlet pipe connected to the faucet body, a chamber disposed at the separate body made of a solid copper pillar for installing a water mixing valve, and a lateral hole groove corresponding to the outlet pipe of the faucet body. After the separate body is installed to the faucet body, a water inlet is passed through the separate body to interconnect a water outlet of the lateral hole groove. The invention provides a simple and time-saving manufacture and reduces the material and manufacturing costs greatly, and thus is very useful for the industry.

Abstract: A faucet valve includes a chamber defined in an underside thereof and a fixed plate is fixed in the chamber and has a first flat surface and a second flat surface defined in two respective raised portions of the fixed plate. A groove is defined between the first and second flat surfaces so as to receive grease therein. A hot water inlet, a cold water inlet and an outlet are defined through the first flat surface. A movable plate is mounted on the fixed plate and has an adjusting recess defined in an underside thereof. The movable plate is driven by a control rod extending through the body.

Abstract: A mixing valve cartridge assembly for a spherical mixing valve. The spherical mixing valve has a stem extending therefrom through a support element that embraces a portion of the spherical mixing valve. A keeper secured to the stem so acts with a caming surface to define the range of movement for the stem and to fixture the spherical mixing valve to the support element.

Abstract: A sanitary device with a mechanical single hole (15) mixer (5) for horizontal top (13), said mixer (5) including an axially extended mixer body (17), a mixer cartridge (19), a housing (25) for the mixer cartridge (19) formed within the body (17) of the mixer (5), a water delivery flue pipe (33) and a lever (63) for controling capacity and temperature of the water, characterised in that said mixer body (17) is placed through said hole (15) in said horizontal top (13) and said mixer cartridge (19) is placed at least partially below said top (13) of the mixer (5).

Abstract: A single handle mixing valve of the plate valve type where a single stem controls both the temperature and flow output from the valve. A control said characteristic plate having an opening is positioned over the stem and has at least one surface defining limits of stem movement. An actuating ring positioned within an exterior cover for the mixing valve has inwardly facing cam surfaces, which interact with the control plate to adjust either maximum temperature or maximum flow from the valve. The actuating ring has a tab extending to the outside of the exterior cover for convenient operator manipulation without the need for disassembly or the use of tools.

Abstract: A metering faucet assembly includes a metering cartridge valve assembly and a separate mixing control valve having a mixing valve stem that is offset relative to a valve actuator for the cartridge valve assembly and coupled to the valve actuator by a coupling mechanism that allows both the mixing valve and the cartridge valve assembly to be operated by a common operating handle. The coupling mechanism includes a slip gear mechanism that allows reciprocating movement of the operating member of the cartridge valve assembly to operate the cartridge valve and rotational movement of a mixing valve stem to operate the mixing valve. The slip gear mechanism provides an end of travel limit for the mixing valve stem and allows adjustment in the temperature limit of the hot or cold water in the mix.

Abstract: A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball stem is manually movable in two separate and independent directions of motion. There is frictional loading on the ball stem such that movement in one direction to control the water temperature has a frictional loading that is higher than the frictional loading in the other direction to control the flow rate. A spring-biased guide pin is used to increase the frictional loading in the one direction.

Abstract: A self closing cartridge for a single handle faucet includes a casing having a piston therein which is held in a normally closed, up position by water pressure. There are seal members positioned to form a seal between the sleeve and the casing. Further, a spring is incorporated to assist the hydraulic self closure of the cartridge by raising the piston to a normally closed position under low water pressure conditions and to mechanically shear and digest any deposited matter in the area of the spring.

Abstract: A mixing valve cartridge assembly having an envelope, a bottom member integral with the envelope, a fixed plate and a movable plate, both made from a hard material, a means for operating the movable plate, and a retaining cover for the cartridge envelope, such that the entire valve cartridge envelope may be assembled by inserting the cartridge components from the top of the envelope.