Abstract: A number of devices are illustrated for providing a manifold that can simply and selectively couple a number of different therapeutic and diagnostic elements to a catheter or other medical device. Some examples include devices having sliding actuators, rotary actuators, button actuators, or combinations thereof, for easily changing the valve scheme and fluid pathways within a manifold.

Abstract: A valve for switching fluid paths, particularly for pressure exchanger installations with tubular chambers through which fluid flows in an alternating manner, including a rotatable closing element (12, 13) provided with a motorized drive shaft (14) and arranged inside a housing (2) having a plurality of connections (3, 4) for connecting lines leading to a pipe system and to a respective end of at least one pressure exchanger. Another end of each pressure exchanger is connected through a valve arrangement to a second pipe system. A splitter (7) provided with a plurality of overflow paths (17, 18, 27) is arranged inside the housing (2); mouths of the overflow paths are located on two axial end faces (10, 11) and on the circumference of the splitter (7), and a rotatable, disk-shaped control element (12, 13) is arranged in a sealing manner at each end face of the splitter (7).

Abstract: A control valve includes a housing, two sealing gaskets, a shaft, a protective jacket, a fixed plate, a movable plate, a sleeve, a pressure balance unit, and an urging screwing member. Thus, the movable plate is rotated by operation of the shaft without producing deviation or loose displacement so as to balance the water pressure and control the water output and temperature exactly. In addition, the movable plate is driven by the shaft to rotate relative to the fixed plate without producing friction and wear between the movable plate and the fixed plate, thereby enhancing the lifetime of the control valve.

Abstract: A disk valve comprises an inlet port, an outlet port, a first disk provided with a first through hole communicating with the inlet port and extending axially and a second through hole communicating with the outlet port and extending axially, and a second disk provided with a concave capable of communicating with the first through hole and the second through hole of the first disk on one end face and slidably and movably contacting one end face of the first disk at the one end face. A closed space is formed radially outside the second disk, and the second disk slides relative to the first disk to adjust the degree of overlap between the concave of the second disk and the first through hole of the first disk. The slidably and movably contacting part between the first disk and the second disk is self-lubricated. The disk valve further comprises a communication passage for always placing the first through hole into communication with the closed space radially outside the second disk.

Abstract: A mixed water faucet includes a valve seat, a control valve, a flow control member, a handle, and a nozzle. Thus, the mixed water faucet has a simplified construction, thereby decreasing costs of fabrication. In addition, the mixed water is controlled exactly by operation of the handle, thereby facilitating a user controlling the water temperature. Further, the mixed water faucet has a self-flush function by provision of the self-flush handle.

Abstract: An apparatus and method are provided for modifying a flow characteristic, such as a valve characteristic, through use of a flow characterizing device having a segmented flow characterizing channel therein including three or more discrete segments, at least one of which is a through-hole, for modifying a flow of fluid through a flowpath, in which the flow characterizing device is mounted, when a controlling edge, mounted in the flowpath adjacent the flow characterizing device, is aligned with one or more of the three or more discrete segments of the flow characterizing channel. Either or both of the flow characterizing channel and the controlling edge are selectively movable relative to one another.

Abstract: A fluid supply valve includes a valve plate having cold and hot apertures respectively aligned with the cold and hot inlets. A pressure balancer is rotatably supported adjacent to the mixing valve plate. The pressure balancer is rotatable between a closed position to prohibit fluid flow through the mixing valve plate and a range of positions to enable fluid flow through the pressure balancer and through the mixing valve plate to supply fluid from the outlet port.

Abstract: A cartridge intended for insertion in a sanitary fitting contains a control disk rotated with respect to a fixed distributor disk. The cartridge contains a thermostatic valve. The disk control formed by the two disks constitutes both a quantity control and a switching device between at least two and preferably three outlets.

Abstract: The invention relates to a arrangement for single-grip mixing faucets operated by turning only, comprising a fixed inlet disc (11) and a rotating regulation disc (16) arranged above each other forming thereby a plane seal, for regulating the amount and ratio of the cold and hot water flowing through the system. The cold water inlet channel (12) connected to the cold water network and the hot water inlet channel (13) are developed in the fixed inlet disc (11) whereas the cold water flow-through channels (17) and the hot water flow-through channels (18) are developed in the rotating regulation disc (16). The cold water flow-through channel (17) and the hot water flow-through channel (18) are connected to the mixing space (19), which is developed either in the regulation disc (16), or in a turning element (20) being in an operation connection with the regulation disc (16), at the side of the regulation disc (16) opposite to the inlet disc (11).

Abstract: A system and method is provided for blending butane with gasoline at petroleum tank farms, immediately before distribution to tanker trucks. The invention provides a method for blending gasoline and butane at a tank farm comprising: (a) drawing a gasoline stream from a tank of gasoline; (b) drawing a butane stream from a tank of butane; (c) blending the butane and gasoline streams to form a blend; and (d) dispensing the blend. The blending process can be controlled to ensure that the vapor pressure of the blended gasoline meets vapor pressure requirements of environmental regulations. Information generated by the blending process can be used to efficiently forecast butane purchasing requirements, and to generate regulatory reports.

Abstract: A valve includes a housing having two inlets and an outlet formed in a bottom panel, a seat secured in the housing and having two ports and an aperture aligned with the inlets and the outlet of the housing. A rotary member is rotatably received in the housing, and engaged onto the seat, and includes a bore communicating with the aperture of the seat, and two slots selectively communicating with the ports of the seat when the rotary member is rotated relative to the housing and the seat. The seat and the rotary member are made of porcelain materials to make a water tight seal without spring members.

Abstract: A ceramic spindle for a faucet is disclosed. The spindle has a housing of which the top portion is a protruded edge having teeth to connect with a rotating rim seat having teeth surface. The top face of the rim seat is protruded to form a positioning block and the rotating shaft is a rotating-stop mounting rim of a rotating-stop protruded block. The combination of the protruded block and the rotating rim seat, the range of rotation of the water-distribution disc is controlled. As such, the adjustable control of hot and cold water is achieved. By replacement of the rotating-stop mounting rim on by placing a plurality of the mounting rim onto the rotating shaft, the range of rotating shaft can be changed and thus the ceramic spindle can be easily changed and the pattern of water control can be obtained.

Abstract: A valve assembly comprising a valve stem, an annular bonnet configured to receive the valve stem, a valve disk coupled to one end of the valve stem, a seal, and an insert. The seal is disposed adjacent the valve disk and has a top surface and a bottom surface. The top surface includes a first pair of sealing ridges extending upwardly therefrom and the bottom surface includes a second pair of sealing ridges extending downwardly therefrom. The insert includes a recess configured to receive the seal that performs a sealing function and a biasing function. The valve assembly can easily be configured to open in either a clockwise or counterclockwise direction without resort to adapters or other additional pieces by rotating the bonnet/valve stem sub-assembly 90° relative to the insert.

Abstract: The invention recirculates and/or recycles fluids normally lost down the drain during the time it takes for a desired temperature to be attained for usage of the hot fluids. A recirculating/recycling valve, through which hot fluids may flow, has an additional port fitted to the valve body, which by positioning the handle in a singularly unique position, fluids not at the desired temperature are sent back to the source from which they came, to a recycling toilet tank system or to a recycling standpipe at atmospheric pressure.

Abstract: A tissue processor is disclosed for processing biological tissue, for example, for mounting on microscope slides. The tissue processor has a valve arrangement in the bottom of a tissue processing chamber, whereby a selected one of a plurality of fluid ports formed in a base of the tissue processing chamber may be connected with the interior of the chamber for supply of processing fluid thereto or discharge of fluid from the chamber. In this way different processing fluids may be passed into and removed from the processing chamber in succession, for processing of tissue samples contained in baskets within the chamber. The valve arrangement comprises a rotary disc at the bottom of the chamber and in sealing engagement with a valve surface on the base of said chamber, the valve surface being provided with a plurality of ports connected with respective said fluid inlets.

Abstract: A fluid transfer system includes elongated conduits connected at one end with couplings to a plurality of fluid reservoirs of a machine or engine and at the other end with a control valve for selective quick evacuation. Evacuation is powered by a pump operably connected to the control valve. Another embodiment includes a first pump for the evacuation of an engine oil reservoir and a second pump for the selective evacuation of transmission and hydraulic fluid reservoirs. The control valve and the pumps may be operated remotely through electrical switches on brackets or on a service panel. Associated methods of removing fluids and replacing fluids from a plurality of reservoirs includes coupling the fluid transfer system to the reservoirs.

Abstract: The cartridge comprises a body in which there is formed a mixed fluid chamber; a fixed disk; a movable disk; thermostatic regulation means including a regulation slide-valve and a thermostatic element which are mechanically connected to each other; and a single control lever for controlling the flowrate and the temperature of the mixed fluid and adapted to drive the movable disk in rotation and in translation and to move the thermostatic element inside the mixed fluid chamber. Cold fluid inlet passage and cold fluid return passage in the fixed disk extend approximately end-to-end in circumferential arcs with substantially equal radii and hot fluid inlet passage and the hot fluid return passage in the fixed disk extend approximately end-to-end in circumferential arcs with substantially equal radii. Application to the field of mixer taps.

Abstract: A cold-hot water faucet includes a main tube and a shaft tube fitted rotatably into the main tube. The main tube is provided with a valve chamber and two fastening ports for fastening respectively with a cold water pipe and a hot water pipe. A ball valve is rotatably disposed in the valve chamber. The shaft tube is provided with a plurality of through holes corresponding in location to the ball valve and is further provided with two selection holes corresponding respectively to the fastening ports of the main tube. The on-off mechanism of the faucet is brought about by the ball valve and a rotary knob by which the ball valve is turned. The cold-hot water adjustment mechanism of the faucet is effected by the shaft tube and a selector by which the shaft tube is turned in relation to the main tube.

Abstract: A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer.

Abstract: A fluid control valve for controlling the delivery of water includes a control lever that is movable in two directions by rotation of the lever about two independent axes. The fluid control valve includes a valve body assembly with flow passageways and a housing assembly attached to the valve body assembly to define an interior space. A flow control mechanism positioned in the interior space is constructed to enable movement of the lever about a first axis for translating rotational movement into sliding motion of an upper disk against a lower disk to adjust the water temperature. Rotation of the lever in a second direction translates rotational movement into sliding motion of the upper disk in a second direction to control the water flow rate. A drag spring positioned as part of the control mechanism changes the frictional force or feel between the two directions of lever movement.

Abstract: A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer.

Abstract: A valve assembly comprising a valve stem, an annular bonnet configured to receive the valve stem, a valve disk coupled to one end of the valve stem, a seal, and an insert. The seal is disposed adjacent the valve disk and has a top surface and a bottom surface. The top surface includes a first pair of sealing ridges extending upwardly therefrom and the bottom surface includes a second pair of sealing ridges extending downwardly therefrom. The insert includes a recess configured to receive the seal that performs a sealing function and a biasing function. The valve assembly can easily be configured to open in either a clockwise or counterclockwise direction without resort to adapters or other additional pieces by rotating the bonnet/valve stem sub-assembly 90° relative to the insert.

Abstract: A water mixing valve having two water inlets, a mixing chamber, a rotatable control member having openings for controlling flow from the water inlets to the mixing chamber, the control member comprising a substantially circular plate having first and second surfaces, the water inlets sealing against the first surface and the openings extending between the first and second surfaces and a support for supporting the control member on the second surface, the support including a base wall generally parallel to the control member and a peripheral wall extending from the periphery of the base wall to the periphery of the control member so as to support the control member and form the mixing chamber therebetween wherein the support and control member are together rotatable relative to the water inlets, the support including surfaces against the openings in the control member for directing flows from the respective openings towards one another and into the mixing chamber for efficient mixing, the base wall including i

Abstract: A valve assembly for mixing hot and cold water includes a generally cylindrical sleeve having hot and cold inlets and outlets and a rotatable non-reciprocal valve member positioned therein to control the mixture of hot and cold water in the outlet stream. The valve member has a hollow stem tube having hot and cold inlet and outlet ports which are rotatably engageable with the hot and cold inlets and outlets of the sleeve. The sleeve hot water outlet is generally larger than the sleeve cold water outlet. The sleeve and stem tube inlets and outlets are not limited to a particular shape and/or geometry. The fluid engagement between the sleeve hot and cold water outlets and the stem tube hot and cold water outlets provides a large mixed water temperature range.

Abstract: The present invention provides a mixing valve (30) suitable for electric motor (38) actuation, particularly stepper motor actuation. It also provides a servo mixing valve system, which includes stepper motors for actuation and optionally includes a solenoid switched outlet manifold and a combination mixing and dye. The present invention also provides an actively controlled bathroom shower mixing system including temperature formation feedback.

Abstract: A water outlet structure of a ceramic control valve for a single-handled faucet is made up of a valve body having a housing chamber for a regulating seat with a control stick joined thereto to be adapted therein, and an upper switching control valve having a regulating cavity of proper width and length disposed: at the lower bottom thereof matching to cold/hot water inlet holes and a water outlet hole of a lower switching control valve, and cold/hot water inlet passages and a water outlet passage of a switching control valve. The regulating cavity thereof has a slant plane facet defining at one front side in a trapezoid-like design.

Abstract: The invention is a ball valve for controlling the flow of fluids between one of two inlets and an outlet. The two inlets are substantially coaxially located, permitting a single inlet point in a fuel supply vessel, yet still allowing two pickup points from within the vessel, such as for a “main” and a “reserve” source. The invention has a particular utility in fuel tanks for providing both a “main” and a “reserve” fuel source, such as for internal combustion engines.

Abstract: A faucet includes two valve seats back-to-back, and a ceramic control valve assembled with an assembly slot of the two valve seats. The assembly slot is provided on a central horizontal line thereof with a cold water guide bole and a hot water guide hole, and on a central vertical line thereof with an upper discharging hole and a lower discharging hole. A base of the ceramic control valve is provided on a central horizontal line thereof with a cold water admission hole, and a hot water admission hole. The base is further provided with a water discharging hole which is located across a central vertical line of the base such that the water discharging hole is opposite in location to the lower discharging hole of the assembly slot. The base is provided with a water stopping surface located on the central vertical line of the base.

Abstract: A valve includes a housing having two inlets and an outlet formed in a bottom panel, a seat secured in the housing and having two ports and an aperture aligned with the inlets and the outlet of the housing. A rotary member is rotatably received in the housing, and engaged onto the seat, and includes a bore communicating with the aperture of the seat, and two slots selectively communicating with the ports of the seat when the rotary member is rotated relative to the housing and the seat. The seat and the rotary member are made of porcelain materials to make a water tight seal without spring members.

Abstract: The present invention refers to a dual control thermostatic mixer with a regulator suited to stabilize the mixed water temperature upon exit, using a stabilizing mechanism and a switching device for choosing either spout or handset flow. It has a main body (A), a close, setting and commutation valve (B), a switch handle lever (C) and a water temperature-regulating knob (D). The main body of the mixer (A) has central part internally divided and separated by four ringed chambers were the switching valve set (B) operates. The switching valve set is made of a thermostatic regulator and a switching device that allow to regulate the water's temperature keeping it constant for use with a handset or directly to the spout.

Abstract: A delivery control device, intended to allow the control of the supply to several hydraulic apparatuses to achieve activation of these individually or in various combinations, including a pair of shutter plates, one fixed and one moveable, of which the fixed shutter plate offers a central inlet passage aperture and several peripheral delivery passage apertures, each of these having essentially the form of a sector of a circle and all of them together occupying no more than one third of the circle of the peripheral region of the fixed shutter plate, while the moveable shutter plate offers a central inlet passage aperture, a single peripheral delivery passage aperture, of a form which essentially corresponds to that of one of the delivery passage apertures of the fixed shutter plate and, in a position at least approximately diametrically opposite to this single delivery passage aperture, a collective delivery passage aperture of a form which essentially corresponds to the whole form of two or more delivery pass

Abstract: This invention relates to an apparatus comprising a switchable, 3-way valve device that delivers a constant flow rate stream of solution mixture to a chemical analysis instrument. The dilution valve is capable of mixing two input streams of solutions, at any dilution ratio from 0% to 100%, into a single output stream solution mixture. The dilution valve contains a switchable gate inside the 3-way T-junction, and the switching of this gate is controlled by pulsed width modulation of the power supply. This invention also relates to methods involved in the delivery of solution mixtures to chemical analysis instruments, including on-line calibration from a single standard solution, on-line dilution from a single sample solution, and on-line standard addition from a single standard solution and a single sample solution.

Abstract: A rotational limit stop comprising a substantially circular disc having an upper surface, a lower surface and a perimeter surface, the perimeter surface containing a plurality of teeth on one portion thereof, a central aperture passing through the center of the circular disc, and a plurality of resilient spring legs extending downwards from the lower surface of the disc, such that the resilient spring legs of the rotational limit stop flex to accommodate the compression forces as a faucet assembly containing the rotational limit stop is being assembled.

Abstract: A valve assembly for mixing hot and cold water includes a rotable non-reciprocal valve member positioned therein to control the mixture of hot and cold water in the outlet stream. The valve member has a hollow stem tube having hot and cold inlet and outlet ports which are rotably engageable with the hot and cold inlets and outlets of the sleeve. The stem tube includes at least one wear plate receiving area for receiving at least one wear plate. The wear plate is in fluid communication with at least one of the stem tube hot and cold water inlet and outlet ports. The valve assembly may further include a stem driver which is attached to the stem tube to control rotational movement of the stem tube and a sleeve which receives the stem tube.

Abstract: A fluid transfer system includes elongated conduits connected at one end with couplings to a plurality of fluid reservoirs of a machine or engine and at the other end with a control valve for selective quick evacuation. Evacuation is powered by a pump operably connected to the control valve. Another embodiment includes a first pump for the evacuation of an engine oil reservoir and a second pump for the selective evacuation of transmission and hydraulic fluid reservoirs. The control valve and the pumps may be operated remotely through electrical switches on brackets or on a service panel. Associated methods of removing fluids and replacing fluids from a plurality of reservoirs includes coupling the fluid transfer system to the reservoirs.

Abstract: The invention relates to a sanitary mixing unit (1), in particular for wall installation, comprising a cartridge (6) with an external housing (12), a flow adjustment device, a temperature adjustment device and a thermostatic device, whereby the flow adjustment device comprises a fixed valve disc (13) and a rotating valve disc (14) co-operating therewith. According to the invention, a mixing unit in which the functional matching of the inlet properties to the properties of the connection may be achieved in a simple and economical manner is provided, whereby an inner housing (15) which may be rotated through at least 180° co-axially to the outer housing (12), has the thermostat device (15) arranged therein, the rotating valve disc (14) is fixed to the inner housing (15) and the fixed valve disc (13) is fixed to the outer housing (12).

Abstract: A system and method is provided for blending butane with gasoline at petroleum tank farms, immediately before distribution to tanker trucks. The invention provides a method for blending gasoline and butane at a tank farm comprising: (a) drawing a gasoline stream from a tank of gasoline; (b) drawing a butane stream from a tank of butane; (c) blending the butane and gasoline streams to form a blend; and (d) dispensing the blend. The blending process can be controlled to ensure that the vapor pressure of the blended gasoline meets vapor pressure requirements of environmental regulations. Information generated by the blending process can be used to efficiently forecast butane purchasing requirements, and to generate regulatory reports.

Abstract: A water supply installation for ablutionary appliances has a mixer valve for mixing and blending hot and cold water in accordance with user selection of water temperature and a damping chamber downstream of the mixer valve for reducing transient temperature overshoots when the selected water temperature is changed.

Abstract: An enhanced split cooling system and method for a turbocharged internal combustion engine including a liquid cooled turbocharger 19 and an engine liquid coolant jacket 18, the system comprising a coolant pump 12 for pumping coolant from a coolant storage tank 16 in heat exchange relationship with the engine jacket 18 and turbocharger 19; an oil cooler 32 having coolant input and output lines; a valve assembly 74, 83 including a multi-port rotary valve actuated by a single actuator; a first coolant output line connected for conveying coolant from the engine to the valve assembly 74, 83; a radiator 22 connected via a second coolant line for receiving coolant from the valve assembly 74, 83 and having a coolant outflow line to return coolant to the coolant tank 16; an intercooler 28 operatively associated with the turbocharger 19 for passing the coolant in hear exchange relationship with compressed air in the turbocharger 19; a lube oil subcooler 46 coupled by a third coolant flow line to receive coolant from the

Abstract: A water faucet structure includes a first valve seat mounted in one side of a wall, a first ceramic control valve fastened to the first valve seat, a second valve seat mounted in other side of the wall in a back-to-back manner in relation to the first valve seat, and a second ceramic control valve fastened to the second valve seat. The first and the second ceramic control valves each have a bottom seat which is provided with a cold water inlet, a hot water inlet, and a water outlet. The water inlets and the water outlets of the first and the second ceramic control valves are arranged in a mirror image pattern.

Abstract: The invention relates to a control cartridge and to a fitting equipped therewith, for regulating the water flow at a water outlet of a fitting. The control cartridge comprises a first control element which is provided with passage holes and can be rotated about an axis, and a stationary, second control element which bears against the first control element and is provided with passage holes, and an actuating element, the first control element and the second control element being arranged in a cartridge housing. The actuating element is connected in a rotationally fixed manner to the first control element via a connection reaching through the cartridge housing. When in use, the cartridge housing can be connected fixedly to a first outlet part of the water outlet and is capable of holding a second outlet part which, when in use, is arranged downstream with respect to the first outlet part.

Abstract: A rotary liquid mixing solenoid valve comprises a valve casing, a cold and/or hot water inletpipes, a mixed water outlet pipe, a temperature sensor installed in the mixed water outlet pipe, and a guardless rotary electromagnet mounted on a side of the valve casing. Both side faces of a regulating block mounted on an epitaxial end of a rotary armature shaft of the electromagnet may fit with the end faces of cold, hot liquid inlet openings respectively. After a coil is energized, the regulating block causes the temperature of mixed liquid to be stable via regulating the flow of cold, hot liquids in proportion according to a preset temperature. The valve has the advantages as follows: e.g. a simple structure, a miniature volume, a small power consumption, a high working efficiency, a fast regulating response, a high accuracy, and a stable and reliable operation, etc.

Abstract: To obtain an exact regulation of temperature, a strong flow, and a moderate cost, the cartridge comprises a first disc having two transverse hot fluid passages and two transverse cold fluid passages as well as a groove, the base of which forms a seat for a regulating valve which is joined to a thermostatic element, and a second disc having two passages for hot and cold fluid respectively, and which is coupled and rotatable relative to the first disc, between a communicating position and a non-communicating position of the two hot fluid passages on the one hand and the two cold fluid passages on the other of the first disc. The cartridge may be used for thermostatic water mixer taps, in particular for sinks, washbasins, showers and bathtubs.

Abstract: Two flow control ceramic discs (22 and 24) for a thermostatic valve (10) have ports (30, 32, 38 and 40) to adjust water flow from a closed to a full open position. Ceramic disc (24) has a contoured opening (38 and 40) that has a wide section (84) and a narrow section (85) that provide regulation fields with significant different capacities of flow rates.

Abstract: The invention comprises a disposable tubing set (4) for connection to a rigid canister (2) that is maintained at a controlled reduced (vacuum) pressure.

Abstract: A rotary disc valve is disclosed which generally includes a housing having an inlet side and an outlet side, and a disc rotatably mounted within the housing between the inlet side and the outlet side thereof. The disc includes an outlet bore which is generally aligned with the axis of rotation of the disc and extends from the outlet face of the disc partially through the disc. One or more inlet bores spaced radially outwardly from the axis of rotation of the disc extend from the inlet face of the disc partially through the disc and communicate with the outlet bore. The inlet bore or bores are located such that a bore may be selectively brought into communication with a single one of inlet side passages by rotating the disc until the bore is aligned with the desired passage. Since the outlet bore and an outlet passage are aligned along the center of rotation of the disc, the outlet bore stays in constant communication with the outlet passage in the outlet side of the housing as the disc is rotated.

Abstract: A rotary-plug shut-off valve (10) of the type having a valve chamber (20) with multiple inlets includes: an actuator chamber (26); a base member (36) forming (a) an end of the actuator chamber (26) and (b) a guide (44); a vacuum-reactive member (48) movable with respect to the base member (36); a spring (54) in axial compression and rotational tension between the base member (36) and the vacuum-reactive member (48) and compressible by vacuum force on the vacuum-reactive member (48); and a piston (60) affixed to the vacuum-reactive member (48) and slidable 1) with respect to the rotary plug (22) and 2) with respect to the base member guide (44), to achieve automatic shut-off when vacuum pressures in protected line are too intense.

Abstract: A thermostatic valve contains a control system comprising two disks for the quantity control. One of the two disks is placed in fixed manner in the valve casing, whereas the second disk can be rotated. Each of the two disks contains an inlet opening for cold water and an inlet opening for hot water. These openings are made to coincide to a greater or lesser extent for the quantity control. In addition, each of the control disks contains a subdivided outlet opening for the mixed water leaving the valve. On rotating the valve there is also a modification of the flow cross-section of the outlet opening. This is also brought about by a greater or lesser coincidence of the openings.

Abstract: A valve assembly for mixing hot and cold water includes a generally cylindrical sleeve having hot and cold inlets and outlets and a rotable non-reciprocal valve member positioned therein to control the mixture of hot and cold water in the outlet stream. The valve member has a hollow stem tube having hot and cold inlet and outlet ports which are rotably engageable with the hot and cold inlets and outlets of the sleeve. The stem tube hot water inlet port has at least one tapered portion with is engageable with a tapered portion of the sleeve to provide a larger range of mixed range temperatures in the resulting outlet stream. Sleeve ribs, rims and raised edges provide a smoother fluid passageway for increased flow and for the eliminating of stacking.

Abstract: A faucet (29) of the type which has an adjustable delivery spout (14) and includes a mixing cartridge (21) with single control lever (25) installed in a cavity or recess (35) available on the faucet. The recess for installation of the cartridge in the valve is formed in a component (11) of the faucet that is integrally formed with the spout (14). The component (11) in which the cartridge is installed has a two-way rotating hydraulic coupling to the fixed body (1) which is operably connected to supply pipes. As the spout (14) is adjusted about the fixed body (1), the lever (25) is carried by the component (11) to retain the same orientation of the lever (25) with respect to the spout (14).