The invention described herein relates to capturing a covering such as a braid on a exterior profile of a plastic tube by overmolding onto a plumbing tube, wherein a circumferentially surrounding covering or braid is modified prior to the overmolding process.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
2.
APPARATUS AND METHOD FOR REDUCING CROSS-TALK BETWEEN CAPACITIVE SENSORS
An apparatus and method is provided to reduce cross-talk between multiple capacitive sensors used in an electronic toilet and between multiple capacitive sensors used in an electronic faucet and an electronic soap dispenser. The present disclosure relates generally to an apparatus and method for reducing cross-talk between capacitive sensors. More particularly, the present disclosure relates to reducing cross-talk between capacitive sensors used in plumbing applications such as electronic faucets, electronic toilets and related electronic accessories such as electronic soap dispensers, for example.
An insulator base for an electronic faucet includes a housing supporting a light assembly and a connecting wire electrically coupled to the light assembly. A polymer housing secures the light assembly and the connecting wire within the housing. A non-conductive exterior film allows the isolation base to match the finish on an electronically controlled faucet for electrical isolation and faucet status display.
A fluid delivery apparatus includes a spout, an ultrasonic sensor, and a capacitive sensor. The ultrasonic sensor is configured to detect the presence of a user adjacent the spout when enabled. The capacitive sensor is configured to define a capacitance sensing field in an area near the spout and also to detect a presence of a user. A controller is coupled to the capacitive sensor and the ultrasonic sensor. The controller is programmed to detect the presence of a user in the capacitance sensing field based on an output signal from the capacitance sensor. The controller is also programmed to enable the ultrasonic sensor in response to detecting the presence of the user in the capacitance sensing field with the capacitive sensor, thereby reducing the amount of power used by the ultrasonic sensor.
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
G05D 7/06 - Control of flow characterised by the use of electric means
A faucet including a faucet head, a body and a magnetic coupling releasably coupling the faucet head to the faucet body. Faucets having sprayheads that pull out from the faucet body enable users to manipulate the sprayhead independent of the faucet body and to aim the water spray directly at a target instead of requiring the user to place the target under the sprayhead. Such rnior art faucets typically utilize locking bayonet connectors, or connectors comprising collars and snap fingers to produce a retaining force to couple the sprayhead to the faucet body.
A fluid delivery device including a waterway assembly, a valve cartridge, and a waterway adapter to fluidly couple the waterway assembly to the valve cartridge and to provide a fluid passageway to a spout outlet.
F16K 11/078 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted and linearly movable closure members
F16K 5/00 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
A valve assembly for a shower/tub system is provided. The assembly includes a valve body assembly having a molded base, a first inlet connection fitting configured to fluidly attach a first fluid source to the molded base, a second inlet connection fitting configured to fluidly attach a second fluid source to the molded base, a first outlet connection fitting configured to fluidly attach a shower fixture to the molded base, and a second outlet connection fitting configured to fluidly attach a tub nozzle to the molded base.
A flow regulated quick-connect fitting has a polymeric first connector and a polymeric second connector, the first connector being either a male fitting or a female fitting, and the other of the male fitting or the female fitting being the second connector. The female fitting has a longitudinal cylindrical cavity therein, and the male fitting has a generally cylindrical body having an end opening. The cylindrical body of the male fitting is positionable within the cylindrical cavity of the female fitting forming the connection. A clip is pivotably connected to the second connector moving between a first position connecting the female fitting to the male fitting when the male fitting is positioned within the female fitting and a second position in which the male fitting is removable from the female fitting. A replaceable flow regulator in the male fitting end opening regulates flow through the quick-connect fitting.
An electronic faucet including a spout hub and a pullout wand removably coupled to the spout hub. The pullout wand is touch sensitive when docked to the spout hub, and is not touch sensitive when undocked from the spout hub. The present invention relates generally to electronic faucets. More particularly, the present invention relates to capacitive sensing systems and methods for operating a faucet. It is known to provide faucets with pullout sprayheads or wands fluidly connected to flexible water supply tubes and releasably coupled to a delivery spout. Such pullout wands often provide multiple delivery modes including a spray mode and a stream mode.
A flush toilet includes a bowl, a tank coupled to the bowl, a flush valve positioned within the tank, and a flush device configured to initiate a flush cycle. The automatic toilet further comprises an electronic sensing assembly having a sensing member positioned on the bowl for detecting an overflow condition of the bowl, an overflow device operably coupled to the flush device, and a controller in electronic communication with the electronic sensing assembly and the overflow device for controlling the flush device in response to a condition of the toilet.
A quick-connect fitting includes a polymeric first connector in fluid communication with a first component, and a polymeric second connector in fluid communication with a second component. The first connector is either a male fitting or a female fitting, and the other of the male fitting and female fitting is the second connector. The female fitting includes a longitudinal cylindrical cavity having therein a retaining ring retaining an o-ring, and the male fitting includes a cylindrical body and a tubular sealing element extending longitudinally therefrom positionable within the polymeric female fitting and o-ring in sealing engagement. The quick connect fitting includes a clip pivotably connected to the second connector moving between a first position connecting the female fitting to the male fitting when the male fitting is positioned within the female fitting and a second position in which the male fitting is removable from the female fitting.
F16L 39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
F16L 37/12 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members
F16L 37/127 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members using hooks hinged about an axis
A faucet for dispensing a fluid includes a spout, a pull-out spray head removably coupled to the spout and including an outlet, and a valve assembly in fluid communication with the outlet. Additionally, the faucet includes a fluid treatment assembly configured to output a treatment into the fluid. The faucet further comprises a first flow path and a second flow path.
An electronic faucet assembly includes a mixing valve and a user interface in communication with a controller. Input to the user interface illustratively causes the controller to operate in a flow control mode or a temperature control mode. In the flow control mode the mixing valve provides flow control of water at a constant temperature, while in the temperature control mode the mixing valve provides temperature control of water at a constant flow. A memory device may be secured to a faucet component to store identification data related thereto.
A faucet assembly includes a faucet body having a liquid pathway therein. A selector attachment base includes a longitudinal base axis and defines a selector movement plane. A selector is coupled to the selector attachment base, the selector having a longitudinal selector axis and supported for movement between a plurality of configurations to control a parameter of liquid through the liquid pathway of the faucet body. Movement of the selector between the plurality of configurations is achieved via rotation about a rotational axis that is perpendicular to the selector movement plane. The longitudinal selector axis is oriented at a first angle relative to the rotational axis, and the longitudinal selector axis is oriented at a second angle relative to the longitudinal base axis. The first angle is substantially constant and the second angle varies as the selector moves between the plurality of configurations.
F16K 11/08 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks
c). In the overmolding process, rigid polymeric material is injected around the core pin and cavity, and the overmolded article is removed from the mold. The core pin is removed from the overmolded article to form a non-linear overmolded article according to the present process and arrangement of parts.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
A process is described which uses overmolding to create an all plastic waterway within a faucet leading up to an inlet port for a spout. The waterway connector has at least two arms and a central connector and wherein the process includes the steps of: at least partially inserting one end of a tube into a first split mold; inserting at least two pins at least partially into the mold, a first pin inserted into the at least one end of the tube and a second pin inserted essentially normal to the direction of insertion of the first pin; injection overmolding a first geometry onto the one end of said tube and forming a profile for fluid transfer with the second pin and associated mold surfaces, the profile having a terminal lip; at least partially inserting two of the profiles with terminal lips into a second split mold, each of the profiles being a mirror image of the other, onto a core having a mating profile for each lip, the mating profile on said core comprising opposing grooves; and injection overmolding a second geometry about the lips to form a leak-proof upwardly extending connector. The process optionally contains the step of crosslinking the waterway connector.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
A shower head includes a push-button operated rotatable valve having a plurality of positions including; a first position in which the shower head allows water to flow to a first function, a second position radially offset from the first position in which the shower head allows water to flow to a second function, a third position radially offset from the first position and the second position and to the first position, in which the shower head allows water to flow trickle through the shower head.
The invention described herein relates to capturing a covering such as a braid on a exterior profile of a plastic tube by overmolding onto a plumbing tube, wherein a circumferentially surrounding covering or braid is modified prior to the overmolding process.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
The present disclosure relates generally to a faucet valve cartridge configured for use within a dual handle faucet. The valve cartridge includes an upper plate and a bottom plate received within a valve housing and configured to control fluid flow from an inlet to an outlet. The valve may include anti-water hammer port geometry to reduce turbulent flow and shut-off shock wave noise.
F16K 11/078 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted and linearly movable closure members
24.
Barbed metal insert overmolding using crosslinked polymers
The invention described herein relates to method by which a leak-proof connection may be made to a refrigeration device using shape memory characteristics of crosslinking and overmolding to affect the leak-proof connection.
B23P 11/02 - Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluidsConnecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for by making force fits
B29C 71/00 - After-treatment of articles without altering their shapeApparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
F16L 47/00 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
25.
SHOWERHEAD WITH MULTI-DIMENSIONAL FLUID DISPENSERS
A showerhead assembly including a first fluid dispensing unit including a plurality of first fluidic devices, and a second fluid dispensing unit removably coupled to the first fluid dispensing unit and including a plurality of second fluidic devices. The first fluidic devices and the second fluidic devices each provide a multi-dimensional spray pattern.
A reshaping tool incorporates a tool head and clamp for reshaping the cross section of a tube constructed from one or more polymer materials. The clamp holds the tube in place while the head portion of the tool, which is moveable with respect to the clamp, engages the tube for reshaping its profile cross section.
An integrated bathroom electronic system including a plurality of sensors to detect conditions within a bathroom and to provide signals indicative thereof to a controller. A plurality of distinct and exclusive modules or subsystems are illustratively provided for integration into the system. Such modules may include a quick hot water module, a roman tub module, a custom shower module, a hands free faucet module, and a tub shower module. In certain illustrative shower modules, a user interface includes a plurality of user defined presets, each preset including a shower setting stored in memory.
A fluid delivery device includes a waterway assembly, a valve assembly, and a waterway adapter that fluidly couples the waterway assembly to the valve assembly. An illustrative waterway adapter may be constructed of a polymeric material. According to an illustrative embodiment, a fluid delivery device is provided including a hub, a waterway assembly, a valve assembly, and a waterway adapter. The hub includes a body portion having a first open end and a valve portion having a second open end. The valve assembly is coupled to the valve portion of the hub, the valve assembly including an inlet port and an outlet port. The waterway adapter is coupled to the body portion of the hub, the waterway adapter sized for insertion into the first open end of the body portion.
A widespread faucet assembly may include one or more valve assemblies and a delivery spout. The anchors for the valve assemblies and delivery spout may be positioned within a mounting deck, and the valve assemblies and the delivery spout are releasably connected to the respective anchors to minimize installation tasks below the mounting deck.
An electronic shower system including a mixing valve operably coupled to a mixing valve drive, and a diverter valve operably coupled to a diverter valve drive and in fluid communication with the mixing valve. A controller is in communication with the mixing valve drive and the diverter valve drive. A user interface includes a removable module in communication with the controller.
A faucet assembly may include a body housing and an anchor. The anchor may be positioned within a mounting deck, and the body housing may include a mounting tube. The mounting tube may include fingers that releasably engage with one or more structures of the anchor. A screw positioned within the body housing may engage the mounting tube, and draw the mounting tube into the body housing. The fingers of the mounting tube may engage with a structure of the anchor and may close around the structure as the mounting tube is drawn into the body housing.
An electronic shower system including a mixing valve operably coupled to a mixing valve drive, and a diverter valve operably coupled to a diverter valve drive and in fluid communication with the mixing valve. A controller is in communication with the mixing valve drive and the diverter valve drive. A user interface includes a removable module in communication with the controller.
An electronic faucet (10) comprises a spout (12) having a passageway configured to conduct fluid flow through the spout, an electrically operable valve coupled to the passageway, and a single capacitive sensor (26) coupled to a portion of the faucet. The single capacitive sensor provides both a touch sensor and a proximity sensor for the electronic faucet.
A fluid delivery device including a body having at least one waterway, a valve assembly in fluid communication with the at least one waterway, the valve assembly including a movable valve member configured to control the flow of water through the at least one waterway and a stem operably coupled to the moveable valve member for movement therewith, and a handle coupled to the stem for movement therewith. A magnetically attractive element is supported by one of the handle and the stem, and at least one magnet is supported by the other of the handle and the stem that is configured to magnetically attract the magnetically attractive element to couple the handle to the stem.
A process is described which uses overmolding to create an all plastic waterway within a faucet leading up to an inlet port for a spout. The waterway connector has at least two arms and a central connector and wherein the process includes the steps of: at least partially inserting one end of a tube into a first split mold; inserting at least two pins at least partially into the mold, a first pin inserted into the at least one end of the tube and a second pin inserted essentially normal to the direction of insertion of the first pin; injection overmolding a first geometry onto the one end of said tube and forming a profile for fluid transfer with the second pin and associated mold surfaces, the profile having a terminal lip; at least partially inserting two of the profiles with terminal lips into a second split mold, each of the profiles being a mirror image of the other, onto a core having a mating profile for each lip, the mating profile on said core comprising opposing grooves; and injection overmolding a second geometry about the lips to form a leak-proof upwardly extending connector. The process optionally contains the step of crosslinking the waterway connector.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
A faucet assembly 10 including base 28 configured to be supported by a sink deck 12, a waterway 22 supported by the base 28, and a valve cartridge 18, 20 fluidly coupled to the waterway 22. A delivery spout 26 is illustratively supported by the base 28 and receives an outlet conduit 46 in fluid communication with the waterway 22.
A faucet assembly (10, 200, 300) including a waterway (28, 228, 328) fluidly coupled to a valve assembly (26). In one illustrative embodiment, a valve body (54, 206, 306) receives the waterway (28, 228, 328), and at least one retainer (64, 66, 216, 316, 318) restrains movement of the waterway (28, 228, 328).
The present disclosure relates generally to a faucet valve cartridge 10 configured for use within a dual handle faucet 16, 18. The valve cartridge 10 includes first and second fluid flow control members 94 and 96 received within a valve housing 74 and configured to control fluid flow from an inlet 32, 36 to an outlet 29.
A water delivery system (10) includes a first component (52) coupled to a fluid transport member (20) and a second component (66) coupled to an aerator (34) for positioning within a faucet spout (26).
A diverter assembly (12) for use with a faucet assembly (10) including a diverter valve (78) secured to an inlet end (80) of a sprayer tube (46) and removably received within a connector (62).
F16K 11/20 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members
A faucet (10) includes a spout (12), a passageway that conducts fluid flow through the spout (12), a electrically operable valve (22) located within the passageway, a manual valve (20) located within the passageway in series with the electrically operable valve, and a manual handle (14) that controls the manual valve (20). The faucet (10) also includes a first touch sensor (26) on the manual valve handle (14), a second touch sensor (28) on the spout (12), a capacitive sensor (30) directly coupled to one of the first and second touch sensors (26, 28) and capacitively coupled to the other of the first and second touch sensors (26, 28), and a controller (24) coupled to the capacitive sensor (30). The controller (24) is configured to monitor the output signal from the capacitive sensor (30) and to distinguish between a user tapping one of the spout (12) and the manual valve handle (14), a user grabbing the spout (12), and a user grabbing the manual valve handle (14). The controller (24) is also coupled to the electrically operable valve (22) to control the electrically operable valve (22) is response to the output signal from the capacitive sensor (30).
E03C 1/05 - Arrangements of devices on wash-basins, baths, sinks, or the like, for remote control of taps
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
G01D 5/24 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
A power sprayer or spray device (10) for use with a faucet. The spray device (10) diminishes the tendency of water to emanate therefrom when not activated.
A fluid delivery apparatus comprises a spout, a fluid supply conduit supported by the spout, a valve assembly to supply fluid through the fluid supply conduit, and a capacitive touch sensor. The capacitive touch sensor is coupled to a controller. The controller is also coupled to the valve assembly. The controller is configured to detect a user touching the sensor and to control flow of fluid through the fluid supply conduit.
A diverter assembly (14) configured to be connected to a faucet assembly (12) that may be installed on a sink (4). The diverter assembly (14) includes a diverter (42) and a mechanism for dispensing fluid, such as a sprayer (40). The diverter assembly (14) may be connected to a tube (32) connected to an outlet of the faucet (12). The diverter assembly (14) may redirect flow from the outlet of the faucet (12) to the sprayer (40) upon activation of the sprayer (40).
A fluid delivery apparatus includes a spout (12) located adjacent a sink basin (16). A fluid supply conduit (14) is supported by the spout (12). Capacitive sensors (29) and (41) are provided on the spout (12) and sink basin (16), respectively. A controller (26) is coupled to the capacitive sensors (29, 41) to control the amount of fluid supplied to the fluid supply conduit (14) based on outputs from the capacitive sensors (29, 41).
A fluid delivery device (10) including a valve body (68) fluidly coupled to an electrically insulating waterway assembly (30). The waterway assembly (30) may include a molded base (38).
G05D 11/16 - Controlling mixing ratio of fluids having different temperatures, e.g. by sensing the temperature of a mixture of fluids having different viscosities
A pull-out wand (104) is disclosed for use with a water delivery device (100). The pull-out wand (104) may include one or more sensors, such as a touch sensor (154) and/or a proximity sensor (152).
A water delivery system (100) is disclosed including a first component (120) coupled to a fluid transport member (104), the first component (120) including an interface (130), and a second component (106) coupled to an aerator (116). The second component (106) positions the first component (120) relative to the aerator (116). The aerator (116) and the interface (130) of the first component (120) cooperate to form a water tight seal there between.
A hands-free faucet comprises a proximity sensor, a logical control, a handle, a spout, and a touch control operably coupled to at least one of the spout and the handle.
A fluid delivery control system (12) including a rotatable flow control member (14) to provide a flow control signal to a controller (30) and a rotatable temperature control member (16) to provide a temperature control signal to a controller (30).
F16K 11/00 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid
E03C 1/05 - Arrangements of devices on wash-basins, baths, sinks, or the like, for remote control of taps
E03B 9/02 - HydrantsArrangement of valves thereinKeys for hydrants
F16K 11/10 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit
System for automatic control of the release and interruption of at least one feed-line, which leads to a water tap fitted with this system, if this water tap is mounted on a support base (20) containing interruption valves (22) or is disassembled from the latter, wherein it comprises an adapter (40) with: means (42) of coupling the adapter (40) with a hydraulic mixing cartridge (30); means for producing a water-tight seal to a cavity (12) of a water-tap body (10); at least one slider (49) that projects from that part which is turned away from the means (42) of coupling with the cartridge (30), and which is arranged in a position that corresponds to the feed-line (21) of the support base (20), said feed-line(21) having at least one interruption valve (22) that is normally closed and can be opened by the application of a force by the slider (49).
F16K 43/00 - Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure meansDevices for temporary replacement of parts of valves for the same purpose
E03C 1/04 - Water-basin installations specially adapted to wash-basins or baths
60.
ELECTRONIC USER INTERFACE FOR ELECTRONIC MIXING OF WATER FOR RESIDENTIAL FAUCETS
A water delivery system (100) is disclosed. The water delivery system (100) may have an electronic user interface (140). The electronic user interface (140) may be a portable device. The electronic user interface (140) may include inputs to select water temperature, water flow rates, water flow patterns, and/or task based presets. A mixing valve (900, 1000, 1100, 1200) for use with either manual faucets or electronic faucets is disclosed.
A power sprayer or spray device (10, 210, 310, 410, 510, 610, 710, 910, 1010, 1050) for use with a faucet. The spray device (10, 210, 310, 410, 510, 610, 710, 910, 1010, 1050) may include a spray mode and a stream mode of operation.
An electronic mixing valve assembly (100, 200) including a valve member (120) automatically controlled through a drive motor (104) and manually controlled through a manual control handle (102).
A faucet (10, 110) including a spout body (14) formed of metal and having an inlet end (16), an outlet end (18) and a chamber (20) extending between inlet and outlet ends (16 and 18). A tube (22) formed of a non-metallic material is enclosed within the chamber (20) and has receiving and dispensing ends (24 and 26). Tube (22) defines a passage (28) extending between receiving and dispensing ends (24 and 26). Receiving end (24) is in fluid communication with water source to communicate water through passage (28). An inlet coupling (30, 130) formed of a non-metallic material and having an inlet opening (32, 132) extending therethrough is molded about receiving end (24) such that receiving end (24) is sealingly received within inlet opening (32, 132).
An integrated bathroom electronic system (10) including a plurality of sensors to detect conditions within a bathroom (102) and to provide signals indicative thereof to a controller. A plurality of distinct and exclusive modules or subsystems are illustratively provided for integration into the system (10). Such modules may include a quick hot water module (100), a roman tub module (1400), a custom shower module (1700), a hands free faucet module (30), and a tub shower module (2000).
A switching-valve or multi-way switching-valve device for water systems comprises a body (1) and, in the body (1), a chamber (2) into which a supply inlet (4) opens out. The chamber (2) has a planar surface in which openings of drainage outlets (5, 6) are formed. The chamber (2) contains a rotor (7), of which the axis of rotation (O) is perpendicular to the planar surface of the chamber (2) and which is provided with a control means (8). It is proposed that the supply inlet (4) opens out freely into the chamber (2), and that the rotor (7) has one or more tubular closure means (9), of which each contains a protective seal (12) in the form of a piston, this seal acting on the planar surface of the chamber (2) and interacting with the openings of the drainage outlets (5, 6) so as to close the same, the one cavity (10) of the tubular closure means (9) being in connection (11) with the chamber (2).
F16K 11/074 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted closure members with flat sealing faces
