| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 236120100 | MIXING FLUID OF DISSIMILAR TEMPERATURE | 86 |
| 20080308643 | Automatic Temperature Control with Simplified Microprocessor Interface - An automatic temperature control for a washing machine or the like may adopt in a first embodiment a single triac switched between a hot-water valve and cold-water valve by mechanical switch elements to provide for a range of temperature control via a microprocessor receiving a temperature command input. In a second embodiment two triacs may be used to permit a range of temperature controls to be effected by voltage signals generated by low-voltage low current switches implemented on an integrated circuit board. | 12-18-2008 |
| 20090314844 | THERMOSTATIC CARTRIDGE WITH CONCENTRIC TEMPERATURE AND FLOW RATE CONTROLS, AND A MIXER FITTED WITH SUCH A CARTRIDGE - The thermostatic cartridge (C) comprises a thermostatic assembly ( | 12-24-2009 |
| 20100032488 | Mixing Valve Control System - The mixing valve controller is a device that is used to control the position of a mixing valve used to regulate the temperature of flowing water. The device uses an embedded system programmed to control a stepper motor and read inputs from a thermocouple, position sensor, and graphical user interface. | 02-11-2010 |
| 20100123013 | THERMOSTATIC MIXING VALVE - A thermostatic mixing valve having a hot water inlet for connection to a supply of hot water, a cold water inlet for connection to a supply of cold water, an outlet for temperature controlled water and a valve device for controlling the relative proportions of hot and cold water admitted to a mixing chamber. The outlet communicates with the mixing chamber to receive temperature controlled water having a desired temperature. A temperature control adjusts the valve device in accordance with the desired temperature of the temperature controlled water where the valve device and the mixing chamber form flow passages for the incoming streams of hot and cold water and are configured such that the velocity of the incoming water streams is maintained and the incoming water streams are turned to flow in the same direction so that flow of one stream can entrain and assist flow of the other stream. | 05-20-2010 |
| 20100140363 | Air powered terminal unit and system - An air powered terminal unit comprising a housing, a fluid to air heat exchanger, an induced flow air inlet upstream of the heat exchanger, a venturi downstream of the heat exchanger, a nozzle cooperatively disposed with the venturi so as to direct a primary air jet discharged from the nozzle through the venturi, such that an air flow through the heat exchanger is induced, and an outlet downstream of the venturi for discharging a mixture of the induced flow air and the primary air. | 06-10-2010 |
| 20100206955 | THERMOSTATIC SINGLE-UNIT FAUCET AND METHOD FOR MAKING SUCH A SINGLE-UNIT FAUCET - The invention relates to a single-unit faucet that comprises a tubular faucet body ( | 08-19-2010 |
| 20100230502 | MIXING VALVE - A mixing valve ( | 09-16-2010 |
| 20100237154 | SHOWER ARRANGEMENT - A shower arrangement ( | 09-23-2010 |
| 20110024513 | Diverter valve and heating system - A diverter valve comprises a valve body defining first ( | 02-03-2011 |
| 20110042468 | TEMPERATURE-CONTROLLED MIXED WATER AND COLD/HOT WATER SUPPLY SYSTEM - [Technical Problem] The discharge of mixed hot and cold water by means of a manually operated faucet handle or a manual control valve is not convenient to get an optimum temperature as the temperature of discharged water varies from user to user, and because the temperature of discharged water changes while in use, users have to operate the faucet handle again until an optimum temperature is realized. | 02-24-2011 |
| 20110127339 | Thermostatic Mixing Valve - The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity. In order to reduce friction during operation of the valve, the water in the pressure relief cavity applies downward pressure to the spindle assembly which counter-balances upward pressure applied to the spindle assembly by water flowing through the lower and upper disks. The mixing valve further includes a slide bolt and a mixer, wherein depending upon the selected discharge water temperature, water from the cold and hot water cavities flows through the slide bolt into the mixer for subsequent discharge through the fixture. | 06-02-2011 |
| 20110174888 | Mixed Water Control Valve Having a Water Pressure Balance Function to Stabilized a Water Temperature - A mixed water control valve for a faucet includes a control unit, two mounting seats and a balance unit. The control unit includes a valve housing, a rotation plate and a control handle. The balance unit includes a fixed sleeve and a pressure regulating sleeve. The pressure regulating sleeve is movable in the fixed sleeve by a pressure differential between the two mounting seats to control the water flow rate of the cold and hot water of the two mounting seats and to regulate the water pressure automatically so as to provide a pressure balance and to stabilize the temperature of the mixed cold and hot water in the valve housing so that the mixed water flowing from the valve housing is kept at a constant temperature. | 07-21-2011 |
| 20110186642 | SEPARATED-FLOW TEMPERATURE CONTROL FAUCET - A separated-flow temperature control faucet mainly comprises a constant temperature control device to mix hot water and cold water, a flow divider valve to control water flow direction and a main housing coupling with the constant temperature control device and the flow divider valve. The constant temperature control device contains an axial movement member movable axially by turning to control hot and cold water flow amount to control water temperature. The flow divider valve provides water separating function and stop function to stop water from flowing out. The faucet thus formed has a longer life span, is less likely to accumulate water dreg, can supply a greater water discharge amount, stabilize water temperature, and offer a simpler structure and improve usability. | 08-04-2011 |
| 20120097746 | Hot Water Recovery - The concepts relate to reducing energy loss associated with hot water systems. One example includes a cold water line and a hot water line and an end use fixture in fluid flowing relation with the cold and hot water lines and configured to control water flow therefrom. This example also includes a water heater having an intake or inlet in fluid flowing relation to the cold water line and an outlet in fluid flowing relation to the hot water line. The example includes an automatic hot water recovery apparatus positioned in fluid flowing relation to the cold water line proximate to the water heater, the automatic hot water recovery apparatus configured to draw hot water back into the water heater from the hot water line subsequent to hot water usage at the end use fixture. | 04-26-2012 |
| 20120118984 | THERMOSTATIC MIXING VALVE - A thermostatic mixing valve for the mixing of a first and second fluids is disclosed. The thermostatic mixing valve includes a valve body having first and second inlets, and a mixed fluid outlet. The thermostatic mixing valve includes a valve member configured to control the rate of flow of at least the first fluid. The member includes a thermostat in communication with the mixed fluid and a shuttle coupled to the thermostat, configured for movement within a liner, and oriented to adjustably engage the flow of the first fluid through an opening within a wall of the liner, the direction of flow of the first fluid being at least partially transverse with respect to the shuttle. A fluid inlet may include a check valve configured to prevent fluid from flowing out of the valve through the inlet. | 05-17-2012 |
| 20120267441 | METHODS AND SYSTEM FOR COOLING A REACTION EFFLUENT GAS - In one embodiment, a method for cooling a reaction effluent gas includes feeding a sufficient amount of a suitable silicon source cooling gas into a stream of the reaction effluent gas, wherein the reaction effluent gas is produced by a thermal decomposition of at least one silicon source gas in a reactor, and wherein sufficient amount of the suitable silicon source cooling gas is defined based a concentration of the at least one chemical species in the reaction effluent gas; cooling the reaction effluent gas to a sufficient temperature so that: the cooled reaction effluent gas is capable of being handled by a material that is not suitable for handling the reaction effluent gas. | 10-25-2012 |
| 20130075483 | ELECTRONIC SHOWER USER INTERFACE - 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. | 03-28-2013 |
| 20130112761 | Methods, Systems, And Apparatus Providing Temperature-Controlled Process Fluid - Disclosed are systems and apparatus adapted to control a temperature of a process fluid in an instrument. In one aspect, the systems and apparatus are adapted to control fluid temperature provided to a feed tank. The feed tank may feed a metering system and metering line of an instrument such as a clinical analyzer. The fluid temperature control system includes a process fluid inflow, a process fluid outflow, a first fluid path fluidly coupled to the process fluid inflow and outflow, and at least one heat exchanger thermally coupled to the first fluid path, wherein the heat exchanger is adapted to extract heat for at least one heat-generating component of the instrument. Controlling a temperature of the process fluid at the feed tank improves metering accuracy. Methods of operating the system are provided, as are other aspects. | 05-09-2013 |
| 20130140372 | TEMPERATURE CONTROL OF A MOVER WITH ACTIVE BYPASS, PREDICTIVE FEEDFORWARD CONTROL, AND PHASE CHANGE HOUSING - A stage assembly includes (i) a stage; (ii) a base assembly; (iii) a stage mover, and (iv) a temperature controller. The stage mover includes a magnet array and a conductor array. The conductor array can be grouped into one or more zones. The temperature controller selectively directs a circulation fluid at a first temperature, and at a second temperature to each zone. Feedforward signals based on the expected heat dissipation of the conductor array can be used to improve the response time of the temperature controller. The temperature controller can include a phase change material and a housing assembly that retains the phase change material in an enclosed chamber near the conductor array. | 06-06-2013 |
| 20130200166 | FLUID DISCHARGE DEVICE - The present invention relates to the fluid discharge device of a fluid transfer pipe, and to a technology which alters the sectional area of a discharge hole in proportion to the increase or decrease in fluid discharge flow per unit of time so as to maintain a relatively uniform fluid discharge rate from the discharge hole. | 08-08-2013 |
| 20130306745 | WATER HEATER - A water heater includes a hot water tank | 11-21-2013 |
| 20150346740 | SMART WATER HEATER SYSTEM, METHOD AND COMPUTER READABLE MEDIA - A smart water heater system (SWHS) for a domestic water system having a plurality of fixtures is provided. The SWHS has a water tank having a cold water inlet configured to receive cold water from a cold water supply and a heat source configured to heat the cold water producing hot water. The water tank may also have a hot water outlet configured to discharge the hot water from the water tank. The SWHS may also have a mixing valve configured to blend cold water from the cold water supply with the hot water from the hot water outlet to produce blended water, wherein the blended water is directed to the domestic water system. The SWHS may also have a first flow meter configured to measure a flow rate of the blended water from the mixing valve, a second flow meter configured to measure a flow rate of cold water supplied to the domestic water system, and a pressure sensor configured to measure a pressure of the cold water supplied to the water tank. The SWHS may also have a controller in communication with the mixing valve, the first flow meter, the second flow meter, and the pressure sensor. The controller may be configured to identify which fixture is being used when the domestic water system is drawing water from the water tank, determine an average water temperature utilized by each fixture, and adjust the mixing valve based on which fixture is identified such that a temperature of the blended water is generally equal to the average water temperature for the identified fixture. | 12-03-2015 |
| 20160018010 | WATER TEMPERATURE REGULATING VALVE - A water temperature regulating valve ( | 01-21-2016 |
| 20160018831 | Self-Contained Thermal Mixing Valve - A self-contained thermal mixing valve includes a cap defining a bore, a relief spring and abutment plate within the bore, and a temperature responsive actuator arranged to generate an actuation force against said abutment plate when exposed to a predetermined increase in temperature. A slide is secured to the actuator and moves with the actuator in response to temperature changes. The slide defines a mixing chamber surrounding the temperature sensitive part of the actuator and includes a fluid flow slot axially aligned with the temperature sensitive part of the actuator. The slide is configured to move along a bore which includes axially offset fluid flow inlets, causing the fluid flow slot to vary fluid flow from the fluid flow inlets into the mixing chamber to produce a mixed outflow within a predetermined temperature range. The relief spring provide mechanical relief to the actuator in over-temperature situations. | 01-21-2016 |
| 236120110 | Mixing valve with temperature motive means | 33 |
| 20090001178 | THERMOSTATIC VALVE AND MIXER TAP WITH INTEGRATED TMV - There is described a mixer tap with integrated thermostatic mixing valve (TMV). The tap comprises in a single housing: hot and cold water inlets; an outlet for mixed water; hot and cold lever controls and a thermostatic mixing device within the single housing to prevent water above a certain temperature being emitted from the common outlet. The cold water control opens a fluid path from the cold inlet to the common outlet, bypassing said thermostatic mixing device, allowing better assurance of purity. The thermostatic mixing device and strainer/check valve cartridges are housed in an internal body so as to be readily accessible for servicing after installation of the device by removing only a cap part of the housing. | 01-01-2009 |
| 20090230200 | WATER CONTROL VALVE ASSEMBLY - A water control valve assembly includes a valve manifold having a mixing chamber for mixing water from a supply of hot water and a supply of cold water. The valve manifold has a water control element controlling the flow of water from the mixing chamber to a discharge port of the valve manifold. A thermostatically controlled bypass valve is in fluid communication with the valve manifold, wherein the bypass valve is configured to bypass water from the supply of hot water to the supply of cold water. | 09-17-2009 |
| 20090272816 | Rapid-Response Thermostatic Element as Well as a Cartridge and Valve that are Equipped with this Element - This thermostatic element comprises a metal cup ( | 11-05-2009 |
| 20090308940 | ADJUSTING MEANS - A single lever valve for mixing hot and cold liquids has a mixer which can internally impose an upper limit on the temperature of any liquid emerging from it. The means used may enable the upper limit to be changed by exchange of a component so that the mixer can be used in any location in an installation even though different locations might have different upper limit requirements. The mixer may take the form of a cartridge able to be exchanged with an existing cartridge to convert an “unsafe” mixer to a “safe” one. An adjustment means is provide enabling the upper temperature limit cut-off to be accurately set—even before assembly of the mixer. | 12-17-2009 |
| 20100116895 | DEVICE AND METHOD FOR CONTROLLING THE WATER TEMPERATURE ON AT LEAST ONE WATER OUTLET - The invention relates to a device and a method for controlling the water temperature on at least one water outlet of a water line comprising a safety mixing valve having a warm water inlet and a cold water inlet, with which a predetermined temperature of the mixed water coming from the water line can be set and with which water flow is prevented if the predetermined water temperature is exceeded. A bypass line having a valve is associated with the safety mixing valve such that, if the valve is in an open position, the warm water is guided to the water outlet by bypassing the safety mixing valve. | 05-13-2010 |
| 20100252640 | THERMOSTATIC MIXING VALVE - A thermostatic mixing valve (TMV) including a low-flow passageway and a high-flow passageway connecting a mixing chamber and a sensing chamber, and a check valve received in the high-flow passageway adapted to open and allow additional flow from the mixing chamber to the sensing chamber upon fluid flow through the valve rising to at least a predetermined high flow rate. The TMV accommodates a wide range of flows yet does not allow excess flow to bypass the sensing chamber which contains a thermal motor of the valve. Even at high flow rates, therefore, the TMV accurately mixes fluid. | 10-07-2010 |
| 20110011942 | HOT AND COLD WATER MIXING VALVE - [Problem] To improve durability of a hot and cold water mixing valve. | 01-20-2011 |
| 20110062245 | Electronic thermostatic mixer for dispensing water at guaranteed temperature and flow-rate, particularly for civil uses - An electronic thermostatic mixer for dispensing water at a guaranteed temperature and flow-rate, particularly for civil uses, comprising a container body that contains two throttling valves which can be operated on a flow of hot water and on a flow of cold water, respectively, which pass through two inlet manifolds that can be connected to hot and cold water ducts and merge into a single main duct for mixing the flows to then branch into at least one discharge manifold that can be connected to at least one user device and is provided with a flow control valve for the management and closure of the at least one user device, the mixer further comprising management and control devices of the electronic type for the throttling valves and for the flow control valve, the management and control devices being associated with elements for measuring the temperature and flow-rate of the flow of mixed fluid that passes through the main duct and being controlled by remote control elements for selecting the flow-rate and temperature at which the water flows out of the user device. | 03-17-2011 |
| 20110073666 | BOILER SYSTEM HAVING DUAL HEATING WATER TANKS - The present invention relates to a boiler system with dual hot water tanks. More specifically, the invention provides a boiler system with dual hot water tanks wherein one boiler comprises high-temperature and low-temperature water tanks. The invention mixes high-temperature water in the high-temperature tank with low-temperature water in the low-temperature tank at different flow rates in a mixing valve, and supplies hot water at a preset temperature to a water supply heat exchanger so the temperature of the heated water in the water supply heat exchanger is constantly maintained. The present invention can supply hot water at a constant temperature always suitable for use and is free from inconvenience or discomfort caused by thermal deviation, because hot water at a temperature higher or lower than the preset temperature is mixed with the preset-temperature water, and then supplied to the water supply heat exchanger. | 03-31-2011 |
| 20110132989 | WATER CONTROL FIXTURE HAVING A FAILED CLOSED BYPASS VALVE - A water control fixture for use in a water circulation system includes a housing having a plurality of ports defining a hot water inlet port, a bypass port, and a fixture outlet port, wherein water is dispensed via the fixture outlet port. The water control fixture includes at least one operating valve disposed in the housing for controlling a flow of water from the hot water inlet port to the fixture outlet port, and a bypass valve disposed in the housing for controlling a flow of water through a bypass path between the hot water inlet port and the bypass port. The bypass valve includes a valve unit in the bypass path of the water circulation system that is operable in a closed state, an open state, and a failed state. The valve unit restricts water flow through the bypass path in the closed state, the valve unit allows water flow through the bypass path in the open state, and the valve unit restricts water flow through the bypass path in the failed state. The bypass valve includes a control mechanism in the bypass path of the water circulation system that is used for controlling the operation of the valve unit, wherein water flowing through the bypass path flows past the control mechanism. | 06-09-2011 |
| 20110233286 | Tepid water delivery system - There is disclosed a mixing valve intended for being interposed and connected to the water supply for an outdoor water spigot and incorporates a hot water supply inlet aperture for interconnecting a hot water supply line from the existing hot water source and a cold water supply aperture for interconnecting with a source for cold water, the mixing valve being positioned at a source remote from the outdoor spigot in order to provide tepid water at the outdoor water spigot location. The mixing valve may therefore be installed without reconstruction of existing walls or other structures. | 09-29-2011 |
| 20120024968 | WATER HEATER WITH INTEGRAL THERMAL MIXING VALVE ASSEMBLY AND METHOD - A water heater and thermal mixing valve assembly and method for providing a reduced discharge water temperature and a hot water temperature from the same tank. The assembly includes a tank adapted to accept and store an amount of cold water, a heater to heat the cold water held in the tank and increase the cold water temperature to a predetermined hot water temperature, at least one thermal mixing valve integrated with the tank in communication with a hot water passage and a cold water bypass conduit to provide a discharge water of a controlled temperature, the cold water bypass conduit being mounted to the cold water passage allowing the associated cold water to communicate with the tank and the thermal mixing valve. An adjustment member is mounted to the thermal mixing valve to adjust a temperature range of the discharge water, a discharge output passage and a hot output passage provide communication with an associated piping system oriented to supply discharge water from the thermal mixing valve and hot water from the tank to associated plumbing fixtures. | 02-02-2012 |
| 20120104107 | THERMOSTATIC MIXING VALVE UNIT - A thermostatic mixing valve unit in an emergency wash unit has an integrated housing with cold and hot water inlets each having an associated check valve, and a tempered water discharge having a thermostat for cold/hot water mixing to provide a predetermined tempered water discharge. A high temperature limit valve responds to the water discharge temperature to permit or prevent hot water inflow when the water discharge exceeds a preset temperature. A cold water bypass valve is coupled by a diverter valve to the lower of the cold and hot water supply pressures to maintain a substantial water discharge flow when the high temperature limit valve restricts hot water flow or when the hot water check valve is stuck closed, or upon failure of the cold water supply as by sticking of the cold water check valve in a closed position or by a clogged filter screen. | 05-03-2012 |
| 20120145801 | THERMOSTATIC MIXING VALVE - The invention relates to a thermostatic mixing valve including a mixing means ( | 06-14-2012 |
| 20120223150 | MIXING VALVE - A mixing valve ( | 09-06-2012 |
| 20120248203 | WATER SUPPLY VALVE CARTRIDGE - A water supply valve cartridge in which a flow rate control rotary disk has a reduced size, so that surface friction between the flow rate control rotary disk and a flow rate control fixed disk is minimized, thus improving manipulation efficiency of the water supply valve while opening or closing the valve, and which does not sensitively respond to flatness allowance due to the reduced size of the rotary disk, thus executing stable opening and closing operation. The flow rate control fixed disk ( | 10-04-2012 |
| 20130026242 | MODULAR WATER-SAVING DEVICE - The invention relates to a modular device formed by a single module ( | 01-31-2013 |
| 20130099007 | METHODS AND APPARATUS FOR CREATING TURBULENCE IN A THERMOSTATIC MIXING VALVE - Mixing valve turbulence generators and methods are disclosed. Embodiments include turbulence generation apparatuses and methods that increase the turbulence of, impart swirl to, reverse the direction of, create tortuous paths for, and/or accelerate the mixing of hot and cold fluid within a valve assembly. Alternate embodiments include angled radial slots, angled surfaces and fin-like baffles to enhance the mixing of hot and cold fluids. | 04-25-2013 |
| 20130112762 | MIXING ADJUSTING THERMOSTATIC WATER VALVE WITH PRESSURE BALANCING DEVICE - A mixing adjusting thermostatic water valve with a pressure balancing device includes a valve body ( | 05-09-2013 |
| 20130221115 | SANITARY FITTING - A sanitary fitting contains a rectilinear or slightly curved tubular outlet body, at one face end of which there is arranged an outlet, out of which the water flows, with the valve open, in a direction extending the direction of the outlet body. At this end of the outlet body there is arranged an actuating element for a valve cartridge arranged axially in the outlet body. At the opposite end of the outlet body there is arranged at a face end an actuating element for a valve cartridge accommodated in the outlet body. The outlet body has a lateral fastening attachment, by way of which the sanitary fitting is fastened to a horizontal or vertical surface and through which the supply lines are led. | 08-29-2013 |
| 20130320101 | WATER VALVE ASSEMBLY - A water valve assembly of the present invention includes a temperature controller, a main controller, and a connecting tube disposed therebetween. Water entering the temperature controller further enters the main controller via the connecting tube and is discharged from the main controller. The temperature controller and the main controller are arranged in an edge of bathtub, and the connecting tube is parallel to the edge of bathtub. Also, water always flows not parallely to a width of the edge of bathtub in the water valve assembly. Thus, the water valve assembly of the present invention is able to be installed in a narrower edge of bathtub. | 12-05-2013 |
| 20150316940 | MIXING VALVE - A mixing valve ( | 11-05-2015 |
| 236120120 | Having electrical motive means | 11 |
| 20100006658 | Device For Dispensing Water With Variable Temperatures - The invention relates to a device for dispensing water, comprising a water tank for keeping water at a tank temperature, which water tank comprises a tank inlet and a tank outlet, in which the tank inlet is connected to a source of water, and the tank outlet is connected to a tapping point for warm or hot water. The invention is characterized by the fact that the device comprises a mixing device with a first water supply, a second water supply and a water discharge connected to a dispensing point, in which the first water supply is connected to a hot water pipe originating from a central hot water source arranged at a distance and the second water supply is connected to the tank outlet, in which the mixing device comprises a control device which is designed to mix water from the first and second water supply in such a manner that the water to be dispensed substantially has a desired temperature, and in which the tank temperature is higher than the desired temperature of the water to be dispensed. | 01-14-2010 |
| 20100127087 | METHOD FOR CONTROLLING DIGITAL SHOWER SYSTEM - A method for controlling a digital shower system includes the steps of: actuating the digital shower system for operation; detecting whether the system is in order or not, and if not, generating an error message; otherwise, performing the next step; entering a ready mode, for discharging in advance a water flow in an outlet pipe that does not reach a preset outlet water temperature; entering a shower mode, in which a desired message is input through a digital user interface, a water outlet is controlled by a control unit to continuously output water maintained at the same temperature as the preset outlet water temperature; and providing several preset power-off conditions for automatically turning off the digital shower system. The method may not only achieve the function of discharging water in advance, but also automatically shut off the water output in a certain time period, so as to save water. | 05-27-2010 |
| 20100206956 | SANITARY FITTING WITH A JOYSTICK CONTROLLER - A sanitary fitting includes a cold water connection; a hot water connection; a mixed water outlet; a valve device for setting a mixed water temperature and a mixed water throughflow rate, wherein the valve device is connected to the cold water connection and the hot water connection at one end and is connected to the mixed water outlet at the other end; an electrical controller for actuating a valve; and a control signal transmitter for generating an input signal to the controller, wherein the valve is an integral constituent part of the valve device, and the controller actuates the valve device as a function of the input signal of the control signal transmitter such that a mixed water temperature and a mixed water throughflow rate are set. | 08-19-2010 |
| 20100276500 | LOW POWER ELECTRIC OPERATED THERMOSTATIC MIXING VALVE - A frictionless, pressure balanced proportioning valve assembly, for low power electric operated thermostatic cartridge, composed of a housing with spaced apart hot and cold water inlets and intermediate mixed water outlet, flow communicated to a spool bore with a central widened portion; a spool, guided in the spool bore, by widened end portions, is carrying a central widened disk portion, separating the spool bore into two tubular inlet chambers; two diaphragm seals disposed at both ends of the spool and housing, pressure balancing the inlet chambers; a temperature sensor, exposed to the mixed water outlet pathway, generates a signal, readable by a control circuit; a drive unit energized by a low power electric motor, driving past gear train and eccentric shaft, a bendable connecting rod, axially displacing the spool. Axial displacement of the balanced friction-free spool, proportions flow from the hot and cold water inlets to the mixed water outlet. | 11-04-2010 |
| 20110049251 | Automatic Temperature Control with Simplified Microprocessor Interface - An automatic temperature control for a washing machine or the like may adopt in a first embodiment a single triac switched between a hot-water valve and cold-water valve by mechanical switch elements to provide for a range of temperature control via a microprocessor receiving a temperature command input. In a second embodiment two triacs may be used to permit a range of temperature controls to be effected by voltage signals generated by low-voltage low current switches implemented on an integrated circuit board. | 03-03-2011 |
| 20110168790 | THERMOSTATIC MIXER DEVICE - A thermostatic mixer device for sanitary appliances, includes: a cartridge envelope; a distributor bottom member with intake openings for cold and hot water, a delivery opening for mixed water, and elements for controlling and intercepting the delivered flow rate; a mixing member located inside the envelope, forming a cylinder, control openings and passageways for directing hot water and cold water from the intake openings to the respective control openings; a distribution slide valve, sealingly sliding in the axial direction within the cylinder of the mixing member, and cooperating with the control openings in order to partially shut the control openings in opposite senses; a thermometric element for displacing the distributing slide valve against the action of a return spring; and control elements for establishing the temperature desired for the delivered mixed water. The envelope and mixing member form, in a single piece, a sole containment and mixing member which, with its outer portions, forms the envelope containing the mixer device, with its inner portions forms the cylinder cooperating with the distribution slide valve and the control openings, and by cooperation of the outer and inner portions determines the passageways. | 07-14-2011 |
| 20110215163 | Temperature controlling valve - A temperature controlling valve serves to adjust a mixed rate of cold and hot waters to control a temperature of the mixed cold and hot water by using a water supplying means having a first pore to flow the cold water, a second pore to flow the hot water, a first shield to close the first pore, and a second shield to close the second pore; wherein when the temperature control set is driven by a driving motor to rotate at an original position, the first and the second shields are actuated to close the first and the second pores so that the cold and the hot waters flow into a valve core to be mixed together, wherein an inverse relationship exists between the cross sectional area of the first pore to flow the hot water and the cross sectional area of the second pore to flow the cold water. | 09-08-2011 |
| 20120031982 | SYSTEM AND METHOD FOR PROVIDING TEMPERED FLUID - The present invention is directed to methods and apparatus for tempering the temperature of a liquid in a fluid conducting system. More particularly, some embodiments of the invention relates to tempering the temperature of water supplied to a fixture from a water heater in a fluid conducting system. The system can include a heater for heating the fluid and a diffuser for slowing the rate at which water provided to a decontamination fixture is heated. | 02-09-2012 |
| 20120187200 | ELECTRONICALLY REGULATABLE MIXING DEVICE FOR TAP WATER - The invention relates to a mixing device for tap water, comprising a mixing valve and a flow control valve that can each be actuated by a spindle and are arranged one behind the other. Sensors ( | 07-26-2012 |
| 20130175350 | WATER MIXING SYSTEM, A SANITARY FITTING, A BATH FILLING SYSTEM AND A SYSTEM FOR SELECTIVELY INTRODUCING AN ADDITIVE INTO A WATER STREAM - Disclosed are systems and apparatus for controlling water flows into and/or out of a bath, shower or other similar bathroom fixture. A water mixing system for a bathroom fixture includes a conduit having a hot water inlet, a cold water inlet, and an outlet, as well as a flow controller for controlling the flow rates of water entering the conduit through the hot and cold water inlets, a temperature sensor downstream of the flow controller and upstream of the outlet, and a system controller which receives a signal from the temperature sensor and controls the flow controller in order to adjust the flow rates of hot and cold water in use, so the combined water flows have a required temperature at the outlet, wherein the hot water inlet and cold water inlet are provided with solenoid operated shut-off valves which are normally closed. | 07-11-2013 |
| 20130341418 | MIXING VALVE - A mixing valve includes a first inlet for receiving a first fluid, a second inlet for receiving a second fluid, and a mixing chamber having a fluid outlet for outputting the first fluid or the second fluid or a mixture thereof. The mixing valve includes a first flow control valve for controlling the flow of the first fluid into the mixing chamber and a second flow control valve, separate from the first flow control valve, for controlling the flow of the second fluid into the mixing chamber. At least one of the first or second flow control valve includes at least two separate outlets into the mixing chamber. | 12-26-2013 |
| 236120130 | Including bypass | 5 |
| 20090200388 | THERMOSTATIC VALVE AND MIXER TAP WITH INTEGRATED TMV - There is described a mixer tap with integrated thermostatic mixing valve (TMV). The tap comprises in a single housing: hot and cold water inlets; an outlet for mixed water; hot and cold lever controls and a thermostatic mixing device within the single housing to prevent water above a certain temperature being emitted from the common outlet. The cold water control opens a fluid path from the cold inlet to the common outlet, bypassing said thermostatic mixing device, allowing better assurance of purity. The thermostatic mixing device and strainer/check valve cartridges are housed in an internal body so as to be readily accessible for servicing after installation of the device by removing only a cap part of the housing. | 08-13-2009 |
| 20100065650 | AIR CONDITIONING SYSTEM - The present invention provides an air conditioning system that is capable of treating a conditioned space by treating outdoor air from outside the conditioned space and return air from inside the conditioned space, and mixing the outdoor air with the return air to form supply air for the conditioned space, the air conditioning system including an outdoor air latent cooling treatment stage configured to provide parallel airflow with a return air sensible cooling treatment stage, and a means for mixing outdoor air with return air to form conditioned space supply air, wherein the outdoor air latent cooling treatment stage includes at least a dehumidification heat exchanger, combination pre-cooling and heat reclaim heat exchangers, and a heat transfer pump, and the return air sensible cooling treatment stage includes at least a sensible cooling heat exchanger. | 03-18-2010 |
| 20120325918 | BYPASS VALVE FOR A WATER CIRCULATION SYSTEM - A bypass valve includes a housing having a hot water port configured to communicate with a hot water supply line and a return port configured to discharge water from the housing for recirculation to a hot water source. The housing has a passage permitting recirculating flow between the hot water port and the return port. A valve member is operable to allow and restrict recirculating flow through the passage. The valve member restricts water flow through the passage in a failed state. | 12-27-2012 |
| 20130334324 | THERMOSTATIC MIXING VALVE WITH INTEGRATED FLOW DIVERTER - The invention relates to a thermostatic mixing valve with integrated flow diverter provided with a first coupling for a control lever for the flow rate adjustment and the flow diversion through a valve group that is housed between a base and a cylindrical body, and with a second coupling for a knob for the temperature adjustment through a thermostatic device, said valve including a member for the transmission of the flow rate adjustment and flow diversion control that directly connects the control lever to the valve group passing through the cylindrical body without moving it, the latter being also enclosed within an external casing secured to the base and achieving a watertight sealing with the base. | 12-19-2013 |
| 20140110487 | Electromechanical Temperature Regulation System for Providing Tempered Mix Water - A thermostatic mixing valve is used in a tempered water blending system. A cold water bypass line in the system acts under the control of a modulating valve and electronic controller to divert cold water back to a temperature sensing element in the mixing valve. By flooding the temperature sensing element, the mixing valve detects a false temperature and adjusts its flow rate of hot and cold water accordingly. The electronic controller acts in reverse of normal fashion, providing negative feedback to the sensing element of the mixing valve. | 04-24-2014 |
| 236120140 | Fluid from only one supply is controlled | 2 |
| 20100078491 | WATER-AND-HOT-WATER MIXING DEVICE - A water-and-hot-water mixing device includes a mixing valve unit which mixes hot water and water and discharges mixed water therefrom, an operation part which sets a predetermined temperature, a mixed water thermistor which detects a temperature of mixed water, a hot-water thermistor which detects a temperature of hot water supplied to the mixing valve unit, and a controller which performs a feedback control of a discharge water temperature by controlling the mixing valve unit. The controller starts the feedback control when the controller determines that a change amount of the temperature of the hot water per unit time detected by the hot-water thermistor is not more than a fixed value and the temperature of the hot water detected by the hot-water thermistor is not lower than the predetermined temperature. | 04-01-2010 |
| 20110089249 | THERMOSTATIC MIXING VALVE WITH PRESSURE REDUCING ELEMENT - A thermostatic mixing valve for mixing a hot fluid and a cold fluid to produce a tempered mixed fluid stream is disclosed. In one illustrative embodiment, the thermostatic mixing valve includes a cold fluid inlet for passing a flow of cold fluid, a hot fluid inlet for passing a flow of hot fluid, and an outlet for passing a flow of tempered fluid. A fluid flow regulator may be used to regulate the relative flow of cold fluid from the cold fluid inlet and hot fluid from the hot fluid inlet to produce the flow of tempered fluid at the outlet. A pressure reducing element may be situated in the hot fluid inlet upstream of the fluid flow regulator. The pressure reducing element may, for example, help increased the temperature stability of the tempered fluid at the outlet given variations in the temperature and/or pressure of the hot and/or cold fluids presented at the hot fluid inlet and the cold fluid inlet of the valve. | 04-21-2011 |
| 236120150 | Including separate relatively movable valve for each fluid supply | 4 |
| 20090314845 | TEMPERATURE LIMITING DEVICE APPLICABLE TO SINGLE LEVER VALVES FOR MIXING HOT AND COLD LIQUIDS WITH AN IMPROVED INLET PORT - A single lever valve for mixing hot and cold liquids has a mixer which can internally impose an upper limit on the temperature of any liquid emerging from it. The means used may enable the upper limit to be changed by exchange of a component so that the mixer can be used in any location in an installation even though different locations might have different upper limit requirements. The mixer may take the form of a cartridge able to be exchanged with an existing cartridge to convert an “unsafe” mixer to a “safe” one. There is a cylindrical mixing chamber with hot and cold liquid entry through ports through the side walls at opposite ends. A piston sealingly slidable within the chamber effects opening and closing of the ports. | 12-24-2009 |
| 20100288844 | ROTARY HANDLE FOR A PLUMBING FIXTURE - In a rotary handle for a thermostatically controlled valve, which is arranged on an actuator brought out of a valve housing, having a stop body, which acts together with a stop cam provided on the valve housing. It is provided that the stop body is movable in the rotation direction in such a way that by a relative movement between the stop body and the rotary handle, turning of the rotary handle by a rotation angle greater than 360° is made possible. | 11-18-2010 |
| 20110266355 | WATER MIXER FOR FAUCET - A water mixer of the present invention is adapted to be installed in a faucet. The water mixer has a balance unit and a mixing element, and the water mixer can be connected to two water sources. When the pressure of one water source varies rapidly, the balance element can modulate the effect that may influence the flow rate of each water source. The mixing element is, on the other hand, adapted to mix the two water flows. As such, the faucet provided with the water mixer of the present invention can stabilize the temperature of the mixed water outlet. | 11-03-2011 |
| 20140191047 | THERMOSTATIC MIXING VALVE - A thermostatic mixing valve for the mixing of a first fluid and second fluid is disclosed. The thermostatic mixing valve includes a valve body having a first fluid inlet, a second fluid inlet, and a mixed fluid outlet. The thermostatic mixing valve also includes a valve member configured to control the rate of flow of at least the first fluid. The valve member includes a thermostatic control device in communication with the mixed fluid and a shuttle coupled to the thermostatic control device, configured for movement within a liner, and oriented to adjustably engage the flow of at least the first fluid through at least one opening within a wall of the liner, the direction of flow of the first fluid being at least partially transverse with respect to the shuttle. At least one fluid inlet may include a check valve configured to prevent fluid from flowing out of the valve through the inlet. | 07-10-2014 |
| 236120160 | Having oscillating or reciprocating valve | 18 |
| 20080283620 | Thermostatic mixer device for sanitary use - A thermostatic mixer device for sanitary use with a body, an inlet passage for hot water, an inlet passage for cold water, and a distribution passage for mixed water; a thermometric element installed partly within the distribution passage; a valve connected to the thermometric element and arranged so as to open or throttle, in a complementary fashion, the inlet passages, and a spring arranged so as to bias the valve; in which the spring is formed of a corrugated section. Illustratively, the spring is housed in an opening that extends peripherally around the distribution passage in which is installed the thermometric element, and this peripheral opening may constitute the internal portion of the inlet passage for the hot water. | 11-20-2008 |
| 20100147963 | THERMOSTATIC MIXING VALVE - A thermostatic mixing valve including a cold water bypass passageway controlled by a pressure-operated check valve that opens upon a failure of a hot water supply to the valve. The valve is particularly for use with safety devices, such as eyewash and drench shower stations, and allows the continued delivery of cold water upon a failure of a hot water supply. The lack of hot water causes a cold water valve opening to be closed by a thermal motor, which retracts upon the lack of hot water, yet the bypass passageway is adapted to allow cold water to bypass the thermal motor-controlled cold water valve opening and be directed to the outlet of the valve. | 06-17-2010 |
| 20100219255 | THERMOSTATIC MIXING VALVES - A thermostatic mixing valve has an enhanced response to temperature change by arranging one of the hot water and cold water flows into a series of jets that intersect the other flow such that the proportions of hot water and cold water mixing at the surface of the thermostat is made to respond to the inlet water pressure to augment the temperature change normally experienced at the surface of the thermostat. | 09-02-2010 |
| 20100314457 | HOT AND COLD WATER MIXING VALVE - A hot and cold water mixing valve including a temperature adjusting dial D, and a cylindrical casing | 12-16-2010 |
| 20130062422 | ELECTRONIC SHOWER SYSTEM - 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. | 03-14-2013 |
| 20150028112 | Thermostatic mixing valve - Embodiment thermostatic valves are protected against damage to the wax motor from the leakage of hot water into the valve when the hot water inlet is closed. Embodiments include an improved temperature motive means with fewer parts than conventional valves and with an improved sealing relation between the wax motor/shuttle and the water ports. | 01-29-2015 |
| 20150331431 | Thermostatic shower valve - Embodiments include thermostatic valves for showers and tubs in which the temperature is regulated by a thermostatic motor/element. Both the flow from the valve and the temperature are controlled by a rotary stem. Hot and cold water is pre-mixed by passage through the coils of a return spring into a mixing chamber and a ceramic valve at the top of the mixing chamber controls flow of mixed water from the mixing chamber into an outlet chamber where fluctuations in the water temperature are eliminated before the water is conveyed to the shower or tub. | 11-19-2015 |
| 20160048140 | Single-Handle Dual-Control Thermostatic Valve and Single-Handle Dual-Control Thermostatic Faucet - For the single-handle dual-control thermostatic valve and the faucet, a hot water incoming channel, a hot water outgoing channel, a cold water incoming channel and a cold water outgoing channel are provided in the valve core body respectively. A static ceramic chip is provided above the valve core body in the valve jacket, a dynamic ceramic chip is provided on the static ceramic chip. On the static ceramic chip, a hot water inlet passage, a hot water outlet passage a cold water inlet passage and a cold water outlet passage are provided separately, the hot water inlet passage, the hot water outlet passage, the cold water inlet passage and the cold water outlet passage are connected correspondingly with the hot water incoming channel, the hot water outgoing channel, the cold water incoming channel and the cold water outgoing channel of the valve core body respectively. On the dynamic ceramic chip, a hot water controlling channel and a cold water controlling channel are provided. The hot water controlling channel can open or shut off both the hot water inlet passage and the hot water outlet passage on the static ceramic chip, and the cold water controlling channel can open or shut off both the cold water inlet passage and the cold water outlet passage on the static ceramic chip. The dynamic ceramic chip in the present invention does not change the flow of hot water and cold water into the regulator during its rotation, the hot incoming water and the cold incoming water can be opened or shut off by the sliding dynamic ceramic chip so as to regulate the water flow. | 02-18-2016 |
| 20160048141 | Single-Handle Dual-control Thermostatic Faucet - A single-handle dual-control thermostatic faucet, comprises a faucet shell, a thermostatic valve provided in the faucet shell, a handle which controls the thermostatic valve, a cold water incoming pipe, a hot water incoming pipe and a mixed water outgoing pipe which are connected with the faucet shell, the handle is connected with the driving lever of the thermostatic valve; wherein the cold water incoming pipe and the hot water incoming pipe form an internal control cavity respectively, inside the control cavity, the following are provided: a hollow guiding part which is connected with the water inlet of the control cavity; a piston part provided between the guiding part and the water outgoing end of the control cavity; the internal cavity of the piston part is connected with the internal cavity of the guiding part, and the piston part has a water drawing portion, an elastomer action portion and a contact portion which are connected with one another successively can move axially inside the control cavity, the water drawing portion is embedded into and connected with the guiding part, the contact portion is against the water outlet of the control cavity, and a seal ring is provided between the outer edge of the elastomer action portion and the internal wall of the control cavity; a displacement elastomer provided between the elastomer action portion and the guiding part; a sealing pad provided on its installing portion can change the water route between the guiding part and the piston part. | 02-18-2016 |
| 20160179108 | CARTRIDGE TEMPERATURE LIMIT CONTROL MECHANISM | 06-23-2016 |
| 236120170 | Valving member moves about an axis | 1 |
| 20100270384 | VALVES - A thermostatic mixing valve having a manually operable actuator for user selection of water temperature and flow rate, wherein said actuator is configured to permit adjustment of water temperature and flow rate either independently of each other or simultaneously. | 10-28-2010 |
| 236120200 | Tubular valve member | 5 |
| 20090308939 | Thermostatic mixing valve - The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity. In order to reduce friction during operation of the valve, the water in the pressure relief cavity applies downward pressure to the spindle assembly which counter-balances upward pressure applied to the spindle assembly by water flowing through the lower and upper disks. The mixing valve further includes a slide bolt and a mixer, wherein depending upon the selected discharge water temperature, water from the cold and hot water cavities flows through the slide bolt into the mixer for subsequent discharge through the fixture. | 12-17-2009 |
| 20100123014 | THERMOSTATIC MIXING VALVE WITH TAMPER RESISTANT ADJUSTMENT FEATURE - A thermostatic mixing valve having a temperature adjustment mechanism for adjusting the temperature of the discharge fluid exiting a fluid outlet of the thermostatic mixing valve. The thermostatic mixing valve may include a tamper-resistant feature that resists accidental adjustment of the discharge fluid temperature, and in some cases, does not require specialized tools for purposeful adjustment. | 05-20-2010 |
| 20100123015 | SECONDARY MIXING VALVE HOT PORT - A thermostatic mixing valve for mixing a hot fluid and a cold fluid to produce a tempered mixed fluid stream. The thermostatic mixing valve may have a valve body that defines a cold fluid inlet port, a hot fluid inlet port, a mixing chamber, a mixed fluid outlet port in fluid communication with the mixing chamber, and a hot fluid outlet port in fluid communication with the hot fluid inlet port and disposed upstream of the mixing chamber. In some cases, the hot fluid outlet port may be used to provide hot water directly to an appliance or other fixture that can use non-tempered hot water. | 05-20-2010 |
| 20140097256 | FAUCET - A faucet has a multiway tube and a water mixer installed in the multiway tube. The water mixer has a balance unit and a mixing element, and the water mixer can be connected to two water sources. When the pressure of one water source varies rapidly, the balance element can modulate the effect that may influence the flow rate of each water source. The mixing element is, on the other hand, adapted to mix the two water flows. As such, the faucet of the present invention can stabilize the temperature of the mixed water outlet. | 04-10-2014 |
| 20150102112 | INTEGRATED WATER VALVE - An integrated water valve includes an extendible temperature-regulation rod disposed in a main body. Temperature of water can be adjusted by moving the temperature-regulation rod to change ratio of cold water and hot water. Also, water flow can be controlled by rotating the main body with respect to a seat at the bottom thereof. Thus, the present invention can be adapted for adjusting water flow and water temperature. | 04-16-2015 |
| 236120210 | Axially spaced flow control faces | 2 |
| 20140361091 | THERMOSTATIC CARTRIDGE FOR THE REGULATION OF HOT AND COLD FLUIDS TO BE MIXED - The cartridge comprises a slide valve for regulating the temperature of a mixture of hot and cold fluids. The slide valve is, under the action of a thermostatic element and in relation to an outer casing of the cartridge, which can be displaced along the central axis of the casing in such a way as to vary inversely the respective flow sections of an inlet for a first of the fluids, delimited axially between the casing and one of the two opposite axial surfaces of the slide valve, and of an inlet for the second fluid, delimited axially between the casing and the other axial surface of the slide valve. Therefore the cartridge can, effectively and economically, provide a good mixture of the two fluids, a flow passage. | 12-11-2014 |
| 20160011606 | THERMOSTATIC CARTRIDGE FOR CONTROLLING HOT AND COLD FLUIDS TO BE MIXED | 01-14-2016 |
