Entries |
Document | Title | Date |
20090007972 | Water circulation system valve assemblies having water temperature control - A valve assembly for a water circulation system includes a valve body defining a bypass passage between a hot water side and a cold water side of the valve body. The bypass passage has a valve seat therein. A bypass valve is received within the bypass passage. The bypass valve restricts the flow of water through the bypass passage based on a temperature of the water in the bypass passage. The bypass valve is variably positionable with respect to the valve seat to control a bypass shut-off temperature of the water. | 01-08-2009 |
20090020168 | TEMPERATURE-ACTUATED VALVE ASSEMBLY - A temperature-actuated valve assembly is provided, which includes a valve assembly housing having a main flow passage and a control flow passage. A pneumatically-actuated valve is fluidly coupled to the control flow passage and configured to control fluid flow through the main flow passage. A first thermostatic valve is in thermal communication with the main flow passage and configured to control fluid flow through the control flow passage to position the pneumatically-actuated valve. | 01-22-2009 |
20090217985 | Temperature Sensitive Valve Having Shape Memory Actuator - A valve for preventing the flow of fluid when the temperature of the fluid is above a predetermined threshold, the valve including: a body having at least one opening for allowing the fluid to pass when the temperature of the fluid is below the predetermined threshold; and a shape memory or bi-metal actuator for substantially closing the at least one opening when the temperature of the fluid is above the predetermined threshold to prevent the fluid from passing. | 09-03-2009 |
20090260696 | MODULAR PRESSURE BALANCING VALVE - A modular valve is provided. The modular valve includes a valve body having a pair of inlet ports and a pair of outlet ports. The pair of inlet ports each includes an integral stop valve and check valve. The valve body includes a cavity configured to selectively receive a pressure balancing cartridge or a thermostatic cartridge assembly. | 10-22-2009 |
20090272441 | Flow Channel Switching Device - A flow channel switching device ( | 11-05-2009 |
20090277515 | RESETTABLE THERMAL PRESSURE RELIEF DEVICE - A resettable thermal pressure relief device (TPRD) is disclosed. The TPRD includes a piston, a housing adapted to receive the piston and allow movement between an open and a closed position. The housing includes an actuator having a temperature sensitive material disposed therein. The temperature sensitive material volumetrically expands, increasing a length of the actuator and forcing a lever from a first position to a second position. The piston is held in the closed position by the lever in the first position. When the lever moves to the second position, the piston is allowed to move to the open position, allowing a fluid to flow through the TPRD from a high pressure vessel in communication therewith. | 11-12-2009 |
20090301575 | FUEL METERING VALVE ASSEMBLY INCLUDING THERMAL COMPENSATION MECHANISM - A metering valve assembly is provided for metering a fluid. The metering valve assembly includes a position sensor, metering valve, and a thermal compensation mechanism. The metering valve includes a valve housing having a flow passage therethrough, and a valve element movably mounted within the valve housing. The thermal compensation mechanism is coupled between the position sensor and the valve element and configured to adjust the displacement of the position sensor relative to the valve element as a function of fluid temperature. | 12-10-2009 |
20090301576 | Water Saving Mechanism For Hot Water Supply Apparatus - The invention is related to a water saving mechanism for hot water supply apparatus. It comprises a water pump unit, a solenoid valve that connects to the water pump unit, a temperature sensor unit that connects to the solenoid valve and a switch unit that connects to the temperature sensor unit. Thus, the water saving mechanism operates with a hot water supply apparatus. When hot water is needed, it uses the water pump unit, the solenoid valve and the switch unit to cut off the cold water and send it back to the hot water supply apparatus for heating. It starts to discharge hot water when the temperature sensor unit senses the water temperature at the preset use temperature. Hence, the invention can prevent waste of discharging cold water and save water resource. | 12-10-2009 |
20100078081 | TEMPERATURE CONTROL VALVE - A valve comprises a valve body including an inlet through which fluid flows into the valve, a main valve including a main poppet positioned in the valve body and including a chamber therein, wherein the fluid flows into the chamber, a pilot valve including a pilot poppet positioned within the main valve and including a discharge port through which the fluid flows out of the chamber, a main poppet spring biased to force the main poppet closed in the absence of flow of the fluid into the valve, a pilot poppet spring biased to keep the discharge port open, and a plurality of bi-metal disks located within the chamber. The plurality of bi-metal disks curl at a predetermined temperature of the fluid to compress the pilot poppet spring and close the discharge port. As a result, the fluid is prevented from flowing out of the chamber and fluid pressure between the chamber and the inlet is equalized to close the main poppet. | 04-01-2010 |
20100089467 | THERMMOSTATIC ASSEMBLY FOR FLUID FLOW ADJUSTMENT, AND METHOD MAKING FOR SUCH ASSEMBLY - The assembly of the invention includes a flow-blocking sleeve ( | 04-15-2010 |
20100089468 | FLOW DISTRIBUTION REGULATION ARRANGEMENT WITH BIMETALLIC ELEMENTS FOR ADJUSTING THE FLOW DISTRIBUTION IN A COOLING CHANNEL - A flow distribution regulation arrangement in a cooling channel is provided. The flow distribution regulation arrangement includes a plurality of bimetallic elements adapted to adjust a local flow of a cooling medium in the cooling channel in response to a heat load onto the bimetallic elements, wherein the heat load originates from local boundary sub areas of the cooling channel. | 04-15-2010 |
20100126598 | VALVE - A valve comprising a body and a plug is disclosed. The body has a pair of ports and a tubular structure having a side wall and an open end and defining interiorly a first subchamber communicating with one port. The wall has an opening. The body defines a second subchamber communicating with the other port, extending around the wall and beyond the end to communicate with the end and the opening. The plug has an opening, is mounted to the structure and telescopes between first and second positions. At the second position, the plug is disposed at least partly in the second subchamber and the valve defines, between the ports: a first flow path through the wall opening; and a second flow path through the open end of the structure, via the plug opening. At the first position, the plug and structure restrict flow through the first and second paths. | 05-27-2010 |
20100139785 | COMPACT VALVE - A compact valve using a shape memory alloy comprises: a moving valve body that contacts an inner periphery of a guide pipe having an built-in orifice, is freely movable and has a sealing portion to seal the orifice; a biasing coil provided between the orifice and the moving valve body; and a wire formed of a shape memory alloy and held between a stationary electrode of the guide pipe and a moving electrode of the moving valve body. The orifice is sealed by moving the moving valve body due to transformation of the shape memory alloy by heating the wire. The moving valve body is enabled to be elastically deformable by providing a coil spring to reduce a stress, so that an overload to the moving valve body due to contraction of the wire is absorbed by elastic deformation of the moving valve body. Thereby, the overload to the shape memory alloy is reduced to prevent deterioration of repeatability of memorized shape, to increase durability and reliability of the valve. | 06-10-2010 |
20100147399 | Wiring Arrangement For Protecting A Bleed Air Supply System Of An Aircraft Against Overheating And Bleed Air Supply System Incorporating Such A Wiring Arrangement - The present invention relates to a wiring arrangement ( | 06-17-2010 |
20100163118 | Constant temperature and balanced pressure valve core with single handle - A constant temperature and balanced pressure valve core with single handle comprises a valve cover, and a temperature adjusting assembly, a thermo-sensitive element, a put-off spring, an adjuster, combined in the chamber of the valve cover from top to bottom; and the valve cover is provided with a cold water inlet, a hot water inlet and an water outlet; wherein the valve core also comprises a water division mechanism and an compacting sealing part; the water division mechanism matches with the cold water inlet and the hot water inlet, forming the cold water passage and hot water passage, and provides a cold water control port and a hot water control port that respectively match with the cold water passage and the hot water passage; the compacting sealing part forms seal with the inner wall of the valve cover, and holds the water division mechanism in the valve cover; the adjuster matches with the thermo-sensitive element and the put-off spring, and on the action of the thermo-sensitive element and the put-off spring, the adjuster can float between the cold water control port and the hot water control port | 07-01-2010 |
20100186831 | Thermostatic valve for mounting between a fuel tank and a combustion engine and related fuel circulation circuit - The valve ( | 07-29-2010 |
20100193049 | System and Method for Conserving Water - A system and method for conserving water in a hot and cold water system collects hot water that is discharged prior to the water reaching a desired temperature. A receptacle is disposed for receipt of cold and hot water from a water system, and a drain line is configured with the receptacle to drain water from the receptacle to a first collection site. A diverter valve is configured in the drain line and operates between a first position wherein water from the receptacle is directed to the first collection site, and a second position wherein water from the receptacle is directed to a branch line. A temperature activated valve is provided, and a second collection site disposed downstream of the temperature activated valve. The temperature activated valve has an inlet disposed for receipt of water from the branch line, and is operable between a first position wherein water from the branch line below a defined hot temperature is diverted to the second collection site, and a second position wherein water from the branch line above the defined hot temperature is directed to the first collection site. | 08-05-2010 |
20100193050 | SAFETY VALVE FOR A GAS CYLINDER - A safety valve for a pressurized gas container is disclosed having a crossflow channel ( | 08-05-2010 |
20100224267 | TEMPERATURE RESPONSIVE VALVE - A temperature responsive valve (TRV), for controlling a flow of gas, employing a shape memory alloy (SMA) wire. The SMA wire is forced by the flow of gas to elongate at temperatures not exceeding a limit known as the transition temperature lower than the austenitic transition temperature. The elongation at a temperature lower than the austenitic transition temperature may be extensive enough to cause a nozzle of the TRV to be blocked, preventing further passage of the gas. | 09-09-2010 |
20100243077 | SUB SEA ACTUATOR - A sub sea actuator including an actuator housing. An activating element is movably arranged between activating and deactivating positions, respectively. A return spring is supported in the actuator housing to move the activating element into the deactivating position. The sub sea actuator includes an SMA element supported in the actuator housing and arranged with a temperature elevator configured to control a temperature of the SMA element. The SMA element acts on the activating element to move the activating element into the activating position against the force of the return spring in result of a rise in the temperature of the SMA element. | 09-30-2010 |
20100243078 | THIN FILM VALVE DEVICE AND ITS CONTROLLING APPARATUS - Provided are a thin film valve device and a thin film valve control apparatus in which a hole or a channel in the body of the thin film valve device is opened and closed using the heat generated from a heat generating apparatus and the centrifugal force. The thin film valve device and the thin film valve control apparatus are applicable to, for example, a diagnostic lab-on-a-chip that can detect a trace amount of a material in a fluid, a rotatable bio-disc in which a bio chip, such as a protein chip and a DNA chip, is integrated, and the like. | 09-30-2010 |
20100288376 | TEMPERATURE RESPONSIVE FLUID FLOW CONTROL DEVICE - A fluid flow control device for regulating the flow of fluid in a passage comprises an annular fixed body having at least one aperture in an annular surface thereof, through which fluid is arranged to flow in use, and a thermally responsive annular valve element mounted concentrically with respect to the fixed body and whose configuration is changeable with temperature so as to control the flow of fluid through the at least one aperture. | 11-18-2010 |
20100326539 | Thermal Flow Sensor with Zero Drift Compensation - One embodiment of the present invention comprises a thermal flow sensor having a first capillary tube coupled to a mass flow controller main flow line across a mass flow controller bypass. A first pair of sensing elements is coupled to the first capillary tube. The thermal sensor also comprise a second capillary tube having a substantially similar cross-sectional area to the first capillary tube, a first end thermally coupled to one of a mass flow controller base and the first tube proximal the first tube inlet port, and a second end thermally coupled to one of the mass flow controller base and the first tube proximal the outlet port. The second tube is not adapted to receive and eject a fluid flow. A second pair of sensing elements is coupled to the second tube. | 12-30-2010 |
20100326540 | Gas Filling and Dispensing Device, Vessel with Such Device, and Operational Circuit - The invention relates to a gas filling and dispensing device that comprises a body to be positioned in the opening of a pressurized gas storage tank, a gas-tapping circuit extending between a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a gas user, wherein the tapping circuit includes a first insulation valve, the device further including a safety valve subjected to the tank pressure for blocking or selectively opening a passage for the gas from the tank towards a discharge area based on the temperature and/or pressure of the gas in the tank relative to at least one predetermined threshold, characterized in that the discharge area of the safety valve is located upstream from the first insulation valve. | 12-30-2010 |
20110079296 | MULTIFUNCTIONAL RESTRICTIVE VALVE - A multifunctional restrictive valve for controlling the flow of water therethrough. The valve has a main body with a flow channel through the main body. The main body receives water upstream thereof through an inlet port and passes it out through an outlet port at the downstream end of the body. A flow control assembly is located in the flow channel and includes a temperature sensor/actuator acting on a piston to move, when the temperature sensor heats up the piston, to block water flow control ports. The flow control assembly also includes an override feature wherein the piston is located within a slide and the flow control ports are located in the slide. By moving the slide away from the piston when the piston is blocking the flow control ports, the temperature sensor and piston may be overridden and flow may resume through the main body. | 04-07-2011 |
20110088792 | FLUID CONTROL VALVE - A fluid control valve is provided. The fluid control valve is interposed in a fluid flow passage, and includes a temperature sensing part which is provided in a fluid of the fluid flow passage, and which is configured to operate based on a temperature of the fluid; a heating element which is configured to heat the temperature sensing part; and a shielding part which is capable of shielding the temperature sensing part from the fluid. | 04-21-2011 |
20110114201 | Temperature Sensitive Relief Valve - A temperature sensitive relief valve for a reservoir of a hot fluid including a cold fluid inlet in communication with a cold fluid outlet via a main cold fluid feed arrangement; a fluid mixing chamber having an outlet; a hot fluid inlet adapted for attachment to the reservoir of hot fluid and in communication with the fluid mixing chamber; a secondary cold fluid feed arrangement in communication with the fluid mixing chamber; and a valve arrangement responsive to the temperature of the hot fluid in the reservoir so that, when the temperature of the hot fluid is below a pre-determined value, the valve arrangement is in a first configuration which prevents hot fluid and cold fluid from entering the fluid mixing chamber and, when the temperature of the hot fluid exceeds the pre-determined value, the valve arrangement adopts a second configuration which allows hot fluid and cold fluid to enter the fluid mixing chamber, thereafter to flow out of the outlet of the fluid mixing chamber as a mixed fluid having a temperature less than the temperature of the hot fluid. | 05-19-2011 |
20110120574 | INTELLIGENT THERMOSTATIC WATER OUTFLOWING DEVICE - The present invention discloses an intelligent thermostatic water outflowing device in the field of sanitary wares. By using said intelligent thermostatic water outflowing device, the defects of the current thermostatic water outflowing devices are overcome, such as a relatively complicated whole structure, a high cost and a poor applicability to ordinary valves. The intelligent thermostatic water outflowing device of the invention comprises a body provided with a hot water inflowing passage, a cold water inflowing passage and a water outflowing passage, and a valve core assembly provided between the cold water inflowing passage, the hot water inflowing passage and the water outflowing passage within the body. The present device further includes a motor, a water temperature control circuit and a temperature sensor. The valve core rod of the valve core assembly is connected with the output shaft of the motor fixed within the body. The temperature sensor is placed in the water outflowing passage and connected with the water temperature control circuit. The water temperature control circuit is connected with the motor and has an external power source connected thereto for supplying the power. The operation of the motor could be controlled by the water temperature control circuit according to the outflowing water temperature detected by the temperature sensor. The device has advantages such as a high precision, good safety and an excellent visual effect. | 05-26-2011 |
20110126919 | THERMOSTATIC HOUSING CONTROL ASSEMBLY - A valve assembly including a valve housing defining a chamber, a thermostatic valve cartridge received within the chamber, a hot water flow control valve and a cold water flow control valve. | 06-02-2011 |
20110139270 | THERMAL SWITCHED COOLING ORIFICE FOR ACTUATION SYSTEMS - An actuator includes features that reduce the energy drawn from the engine by reducing and/or eliminating the flow requirement during normal operating conditions. A normally closed cooling orifice opens responsive to an elevated temperature to allow cooling fluid flow. Once the temperature returns to normal ranges, the thermally expanding material retracts and the valve returns to a closed position to stop cooling flow. | 06-16-2011 |
20110146812 | THERMOSTATIC VALVE CONTROL STRUCTURE - A thermostatic valve control structure mainly has an axial movement element movable axially to control opening size of a hot water inlet and a cold water inlet. The axial movement element has a ceramic layer which has a smooth surface to reduce friction with a sealing ring. The ceramic layer provides advantages of resisting acid and alkali, less likely to accumulate water dregs, simpler structure and longer life span. Thus the total life span and durability of the thermostatic valve control structure can be enhanced. | 06-23-2011 |
20110155265 | VALVE MECHANISM OPENED IN RESPONSE TO EXTREMELY HIGH TEMPERATURE - Provided is a valve mechanism which has a simple configuration, being available for a type having a large bore diameter, and being able to be opened in response to extremely high temperature to supply fire-fighting water or cooling water. There is provided a valve mechanism opened in response to extremely high temperature, the valve mechanism including: a cylindrical body that is attached to an end of a supply pipe connected to a water source; a stopper that blocks a channel inside the body; a support that is disposed inside the body and that supports the stopper by pressing the stopper to a side of the supply pipe; a locking unit that serves to lock the support in a normal state and that unlocks the support in the case of extremely high temperature; and a heat sensitive section that releases the locking unit in the case where temperature of environment is increased to an extremely high level. | 06-30-2011 |
20110168277 | PRESSURE RELIEF VALVE WITH REVERSE THREADED INLET - A safety discharge system comprises a pressure relief valve having an inlet, designed to mate with an outlet of a heating appliance, and a relief outlet, wherein at least the inlet of the pressure relief valve and the outlet of the heating appliance include a threaded region, and wherein the threaded region is threaded with a reverse or left handed thread. | 07-14-2011 |
20110214755 | DOUBLE METAL SEAL FITTING - A multi-port device such as a thermal expansion valve for an air conditioning system includes a seal structure with a first seal portion and a second seal portion. The first seal portion includes a metal material adapted to provide a primary seal. The second seal portion is attached to a free edge of the first seal portion and adapted to provide a secondary seal. The multi-port device with seal structure militates against leakage during operation of the air conditioning system. | 09-08-2011 |
20110226353 | RESETTABLE THERMAL PRESSURE RELIEF DEVICE - A resettable thermal pressure relief device (TPRD) is disclosed. The TPRD includes a piston, a housing adapted to receive the piston and allow movement between an open and a closed position. The housing includes an actuator having a temperature sensitive material disposed therein. The temperature sensitive material volumetrically expands, increasing a length of the actuator and forcing a lever from a first position to a second position. The piston is held in the closed position by the lever in the first position. When the lever moves to the second position, the piston is allowed to move to the open position, allowing a fluid to flow through the TPRD from a high pressure vessel in communication therewith. | 09-22-2011 |
20110240144 | TEMPERATURE-RESPONSIVE FLUID FLOW CONTROL APPARATUS - The temperature-responsive fluid flow control apparatus of the present invention comprises: a housing installed between the inlet and the outlet of a fluid pipe in which a fluid flows; a valve block installed inside the housing to allow inflow of the flowing fluid in the housing and to discharge a portion of the flowing fluid to the outside according to the change in the internal pressure; and a temperature-responsive device for generating a pressure difference in the valve block according to the temperature change of the temperature-responsive fluid filled therein. The temperature-responsive fluid flow control apparatus prevents the fluid flowing pipe from freezing by discharging a portion of the fluid flowing in the housing to the outside, when the temperature of the temperature-responsive fluid reaches a preset temperature as the external temperature drops. | 10-06-2011 |
20110253230 | Temperature Sensitive Valve Having Shape Memory Actuator - A valve for preventing the flow of fluid from an outlet when the temperature of the fluid is above a predetermined threshold. The valve including: a body having at least one opening for allowing the fluid to pass through the outlet when the temperature of the fluid is below the predetermined threshold; and a shape memory actuator for substantially closing the at least one opening when the temperature of the fluid is above the predetermined threshold to prevent the fluid from passing through the outlet. | 10-20-2011 |
20110259445 | WATER CIRCULATION SYSTEM VALVE ASSEMBLIES HAVING WATER TEMPERATURE CONTROL - A valve assembly for a water circulation system includes a valve body defining a bypass passage between a hot water side and a cold water side of the valve body. The bypass passage has a valve seat therein. A bypass valve is received within the bypass passage. The bypass valve restricts the flow of water through the bypass passage based on a temperature of the water in the bypass passage. The bypass valve is variably positionable with respect to the valve seat to control a bypass shut-off temperature of the water. | 10-27-2011 |
20110265890 | APPARATUS FOR CONTROLLING VOLUME OF WATER TO A SHOWER HEAD - An apparatus includes a volume control valve for controlling a flow of water to a shower head. The volume control valve is configured for joining between a shower neck and the shower head. A guide tube includes a cable joined to the volume control valve for operating the volume control valve by motion of the cable. The guide tube is configured for extending vertically downward from the volume control valve along a shower wall. A control mechanism including a lever and joined to a distal end of the guide tube enables an adjustment of the flow of water. The control mechanism is configured for joining to the shower wall where a controlled motion of the lever is translated by the cable as a linear motion to the volume control valve thereby operating the control valve. | 11-03-2011 |
20110277855 | ANTI-SCALDING DEVICE WITH A SPEEDY VENTING EFFECT - An anti-scalding device with a speedy venting effect comprises a main body, a sensor, and a housing. A first cavity and a second cavity intercommunicated are formed in the main body. The first cavity communicates with an inlet channel, and a first necking portion with a water hole is formed at a bottom of the first cavity. The second cavity communicates with an outlet. At least one venting hole is defined on pipe walls of the first cavity and the second cavity, respectively. The sensor is arranged in the first cavity of the main body, correspondently located above the venting hole. The housing is densely sealed on the main body but movable thereon. Axially moving or rotating the housing to the main body allows the water with a high temperature obstructed in the channel to be swiftly discharged. Thereby, the sensor timely senses the water with a regular temperature to dredge the channel of the outlet. That is, the operating time of the sensor is shortened, and it is convenient for users. | 11-17-2011 |
20110284101 | 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. The device is characterized in that sensors ( | 11-24-2011 |
20110290345 | TEMPERATURE SENSITIVE VALVE - Provided is a temperature-sensitive fluid flow interruption device for use in operational connection with a normally-closed poppet openable by overcoming a closure force. The device may comprise an elongated housing, an elongated displacement member, a spring, and a retention cap. An elongated housing may comprise an elongated first channel. An elongated displacement member may be engaged with said elongated first channel and may comprise a longitudinal axis, a first spring retention surface, and a poppet engageable end. The poppet engageable end may be adapted for engagement with said poppet and may be engaged with the housing in a manner determined by the temperature of the temperature-sensitive fluid flow interruption device with respect to a predetermined temperature. A spring may be engaged with the first retention surface. A retention cap may be engaged with the housing and may comprise a second retention surface engaged with the spring. | 12-01-2011 |
20110308641 | INTELLIGENT WATER SUPPLY CPU AND WATER TAP - An electronic intelligent touch control water faucet and an intelligent water supply central processor which includes a main body, an upper cover, an electromagnetic valve group, a temperature control and flow control member, a PCB control panel and an operation panel. The main body includes receiving troughs, two water inlet tubes and a water outlet tube communicated through pipes. The temperature control member includes a temperature control valve, a synchronous motor, and a temperature sensor. The temperature control valve communicates with the water inlet tubes and is driven and adjusted by the synchronous motor. PCB control panel controls the synchronous motor. The temperature sensor communicates the outlet water temperature to the PCB control panel. The flow control member includes a flow valve and a motor. The PCB control panel controls the motor driving the flow valve. The flow valve water outlet is connected to the water outlet tube. | 12-22-2011 |
20120006426 | High Range Flow Valve - A high range flow valve for precise supply of both low and high flows. The valve comprises two or more plungers movable inside a housing wherein the movement of each plunger relative to an adjacent plunger or the housing gradually opens or closes a flow opening and thus determines a flow area. Each plunger controls a different flow rate range. Two such valves can be combined in one housing whereby temperature and supply rate can be controlled, for both low and high supply rates. | 01-12-2012 |
20120012198 | WATER CONSERVING DOMESTIC HOT WATER PURGE VALVE - A purge valve comprising a valve body having a valve inlet and a valve outlet and a water flow passage between the valve inlet and the valve outlet; first valve means adapted to set the valve in open position by opening the water flow passage in response to a user's action; second valve means adapted to hold the valve in open position if and until the water flowing through the water flow passage is below a predetermined temperature; third valve means adapted to automatically set the valve in close position when the water flowing through the water flow passage is at the predetermined temperature; and, fourth valve means adapted to alert the user that the valve has closed and water having the predetermined temperature is available at the valve inlet. | 01-19-2012 |
20120024401 | GAS REGULATOR FITTING - A gas regulator fitting is to be devised that prevents distortions of the temperature value to be regulated caused by ambient temperature fluctuations. Retrofitting without intervention into the gas-conducting space is also to be made possible. To that end, one or more bimetal discs ( | 02-02-2012 |
20120055565 | THERMO-VALVE - The present invention is to provide a thermo-valve which can be operated with no unnecessary work to fill fluid easily and without fail into a circuit having the fluid flow therethrough at the time of a high temperature range. The thermo-valve comprises a valve housing | 03-08-2012 |
20120192970 | EXPANSION VALVE - To reduce a weight of a valve main body of an expansion valve formed by an extrusion molding of a metal material such as an aluminum alloy or the like. A valve main body | 08-02-2012 |
20120199217 | DUAL PUMP REGULATOR SYSTEM FOR A MOTOR VEHICLE TRANSMISSION - An apparatus and method are disclosed for controlling fluid flow in a motor vehicle transmission. At least one friction engagement device is fluidly coupled to a first pump, and a lubrication and cooling sub-system is normally fluidly coupled to a second pump. Illustratively, when a flow rate of the fluid in the first fluid passageway is less than a threshold fluid flow rate, a temperature of the fluid is greater than a temperature threshold and a fluid flow demand is greater than a fluid flow demand threshold, fluid flow from the second pump to the lubrication and cooling sub-system is blocked and fluid supplied by the second pump is instead directed to the at least one friction engagement device such that fluid is supplied by both the first and second pumps only to the at least one friction engagement device. | 08-09-2012 |
20120247582 | Temperature Control Valve With Pressure Relief - The disclosed fluid flow control valve provides alternatively acting valves to define a bypass fluid flow path during warm-up and a steady state (cooling) flow path thereafter. A first valve closes a fluid flow return path from a fluid cooler, while the second valve closes the bypass flow path between the fluid source and fluid return. The actuator itself forms one of the valves, while a second valve member is slidably secured to the actuator to engage a valve seat in the bypass passage. The actuator is responsive to a temperature increase above a predetermined set-point by generating an axial force F to move the actuator from a bypass position to a steady state (cooling) position. The second valve member is biased toward an axially extended position by a bias member. Excess fluid pressure in the “hot” side of the valve body moves the valve member relative to the actuator to regulate pressure delivered to the fluid cooler. | 10-04-2012 |
20120247583 | WATER CONSERVING DOMESTIC HOT WATER PURGE VALVE - A purge valve comprising a valve body having a valve inlet and a valve outlet and a water flow passage between the valve inlet and the valve outlet; first valve means adapted to set the valve in open position by opening the water flow passage in response to a user's action; second valve means adapted to hold the valve in open position if and until the water flowing through the water flow passage is below a predetermined temperature; third valve means adapted to automatically set the valve in close position when the water flowing through the water flow passage is at the predetermined temperature; and, fourth valve means adapted to alert the user that the valve has closed and water having the predetermined temperature is available at the valve inlet. | 10-04-2012 |
20120298220 | PRESSURE TYPE FLOW RATE CONTROL DEVICE - A pressure type flow rate control device provides flow rate control for gas at 100-500° C. with an error not more than 1.0% F.S. The pressure type flow rate control device includes a valve body with a fluid passage, a valve portion interposed in the passage, a valve drive unit driving the valve portion to open/close the passage, a restriction mechanism on the downstream side of the valve portion in the passage, a temperature detector detecting gas temperature between the valve portion and restriction mechanism, a pressure detector detecting gas pressure between the valve portion and restriction mechanism, and an arithmetic control device controlling flow rate of gas in the restriction mechanism based on values detected by the temperature detector and the pressure detector, wherein the temperature detector is inserted in an attachment hole of the valve body at a position just above an outlet side fluid passage. | 11-29-2012 |
20120318384 | VALVE FOR CONTROLLING A FLOW CHANNEL - The invention relates to a valve for actuating a flow channel ( | 12-20-2012 |
20130025709 | AUTOMATED PIPE FREEZE PROTECTION SYSTEM - An automated pipe freeze protection system is disclosed. The system includes tubing, a detector module, and a valve configured to open and circulate unfrozen water through plumbing in the event ambient temperature is detected to be near a freezing point. | 01-31-2013 |
20130042929 | THERMALLY ACTUATED HOT AND COLD WATER MIXING VALVE CONFIGURED TO MINIMIZE VALVE HUNTING - A hot and cold water mixing valve including a temperature adjusting dial, and a cylindrical casing having formed therein a hot water inlet and a cold water inlet is provided with a control valve member in which one end thereof is subjected to a load from a biasing member and the other end is subjected to a load from an actuator. By balancing between the loads applied by the biasing member and the actuator, a mixture ratio between the hot water which flows in through the hot water inlet and the cold water which flows in through the cold water inlet is adjusted. A temperature adjuster adjusts a position of the control valve member through the biasing member and includes a tapered skirt portion, which spreads in a radial direction, at an end on the control valve member side thereof. | 02-21-2013 |
20130068322 | CONTROL VALVE FOR AN OIL-INJECTED SCREW-TYPE COMPRESSOR - A control valve for an oil-injected screw-type compressor, in particular for installation in a vehicle, wherein oil located in a screw-type compressor housing can be supplied in a controlled manner via the control valve to a heat exchanger and/or to a bypass in such a way that cold oil is conducted through a bypass around the heat exchanger and warm oil is conducted through the heat exchanger. A control valve is provided for an oil-injected screw-type compressor and ensures rapid heating of the oil in the screw-type compressor even with a short activation time. The control valve has a control piston that is actuated by a control element and cooperates respectively with a heat exchanger opening disposed in a control valve housing and a bypass opening, and that the control piston controls at least one bypass opening which cooperates with the heat exchanger opening. | 03-21-2013 |
20130074954 | FLUID DELIVERY DEVICE INCLUDING A THERMOELECTRIC MODULE - The fluid distribution device includes a first cavity at a first pressure and a second cavity at a second pressure lower than the first pressure. A partition separates the first cavity from the second cavity and a restricting valve is arranged between the first and second cavities. The partition includes a thermoelectric module having a hot side in thermal contact with the first cavity and a cold side in thermal contact with the second cavity. | 03-28-2013 |
20130081713 | CAPACITIVE HAND FREE AUTOMATIC MIXING FAUCET AND CONTROL METHOD - A capacitive hand free automatic mixing faucet includes a spout, a flow passage connecting a cold water source and a hot water source to the spout, a mixing valve mounted in the flow passage, one or multiple capacitive sensor groups mounted on the outside of the flow passage and adapted for sensing the presence of an external object and producing a corresponding inductance value, a plurality of electronic valves installed in the flow passage and a control device electrically connected with the capacitive sensor groups and adapted for receiving each inductance value produced by the capacitive sensor group and computing the sum of inductance values or the difference between inductance values received within a predetermined time interval and then comparing the computed value with predetermined threshold value and controlling the electronic valves to regular the flow rate of cold water and hot water subject to the comparison result. | 04-04-2013 |
20130146154 | TEMPERATURE ACTIVATED SHOWER CONTROLLER - A temperature activated shower controller including in combination, a temperature sensor adapted to detect and respond to a pre-determined temperature increase in water supplied to a shower head; a valve adapted to allow or reduce the flow of water to the shower head; programmable microprocessor means responsive to the temperature sensor and adapted to control the operation of the valve, according to a pre-programmed shower duration. In operational use, when turning on the water supply and within a given period of time after the pre-determined temperature rate of change of temperature with respect to time, ie a temperature gradient, is detected, the temperature activated shower controller is initiated and a user can select a shower duration or the microprocessor defaults to a pre-set shower duration after which time the valve moves to the closed position to reduce the flow of water supply to the shower head. | 06-13-2013 |
20130146155 | Sharp Phase Change Shape Memory Allow Thermal Actuator - A valve actuator, valve, and method of actuation of a valve are disclosed. The valve actuator includes a shape memory alloy element attachable to a valve body, capable of use with a valve to cause movement of the valve between first and second positions responsive to at least a threshold amount of temperature change of the shape memory alloy element. The valve actuator further includes a negative-differential spring applied to the shape memory alloy element, thereby reducing the threshold amount of temperature change needed to cause movement of the valve between the first and second positions. | 06-13-2013 |
20130160872 | THERMAL PRESSURE RELIEF DEVICE WITH EXPANSION ACTIVATION - A thermal pressure relief device (TPRD) is shown and includes a housing having a first end with a first aperture and a second end having a second aperture. The first and second apertures are configured to allow a fluid to flow through the housing. The TPRD includes a trigger member, such as a ball, disposed within the housing. The ball is seated laterally within a retainer. The retainer includes a rim forming a seat for supporting the ball within the housing. The movement of the ball from the first closed position laterally seated within the retainer to the second open position descended within the retainer is caused by an expansion of the rim of the retainer. The rim of the retainer is formed substantially of a temperature sensitive material adapted to expand volumetrically with an increase in temperature. The temperature sensitive material can expand linearly or non-linearly. | 06-27-2013 |
20130206254 | FLOW-REGULATING APPARATUS - A flow control device is capable of performing accurate flow control over a wide range of temperatures by using a housing made of resin with superior chemical resistance. The flow control device includes: a housing made of resin; a diaphragm which is supported in the housing so as to split the housing into a gas chamber side to which gas is introduced and a fluid chamber side through which fluid passes, and is activated by the differential pressure between the gas chamber side and the fluid chamber side; and a valve body which operates in integration with the diaphragm to regulate the flow of the fluid introduced into the fluid chamber side. The gas chamber side includes a holding member which holds the diaphragm between itself and an opposing surface of the fluid chamber side opposite to the diaphragm, the holding member being screwed to the inner peripheral wall of the gas chamber side through a screw part. | 08-15-2013 |
20130248019 | ELECTRONIC PLUMBING FIXTURE FITTING - The present invention provides an electronic plumbing fixture fitting, such as an electronic faucet. | 09-26-2013 |
20140000727 | THERMAL RECIRCULATION VALVE FOR FUEL FILTRATION MODULE | 01-02-2014 |
20140000728 | PRESSURE RELIEF VALVE | 01-02-2014 |
20140053921 | Cylinder Valve Having A Device For Reducing Or Closing Off The Flow In The Event Of A Rise In Temperature - The invention relates to a cylinder valve pressurized gas. The body of the valve includes a gas inlet, a gas outlet (not shown) and a passage connecting the inlet to the outlet. The valve also includes a closing/opening valve (FIG. | 02-27-2014 |
20140137954 | GAS REGULATOR FITTING - A gas regulator fitting is to be devised that prevents distortions of the temperature value to be regulated caused by ambient temperature fluctuations. Retrofitting without intervention into the gas-conducting space is also to be made possible. To that end, one or more bimetal discs ( | 05-22-2014 |
20140196801 | MULTIFUNCTIONAL RESTRICTIVE VALVE - A multifunctional restrictive valve for controlling the flow of water therethrough. The valve has a main body with a flow channel through the main body. The main body receives water upstream thereof through an inlet port and passes it out through an outlet port at the downstream end of the body. A flow control assembly is located in the flow channel and includes a temperature sensor/actuator acting on a piston to move, when the temperature sensor heats up the piston, to block water flow control ports. The flow control assembly also includes an override feature wherein the piston is located within a slide and the flow control ports are located in the slide. By moving the slide away from the piston when the piston is blocking the flow control ports, the temperature sensor and piston may be overridden and flow may resume through the main body. | 07-17-2014 |
20140261779 | FLUID CONTROL VALVE AND ASSEMBLY - A concentric cartridge for fluid mixing valve includes an inlet adapter configured to receive a first fluid and a second fluid, a pressure balance unit, a volume control plate rotatably coupled to the pressure balance unit and positioned between the inlet adapter and the pressure balance unit, a temperature control plate, and a mixing plate positioned between the pressure balance unit and the temperature control plate. The pressure balance unit and the volume control plate are rotatable relative to the inlet adapter and the temperature control plate is rotatable relative to the mixing plate. The mixing plate has an irregularly shaped opening configured to mix fluids with different temperatures such that the temperature of the mixed fluid increases linearly as a function of angular rotation of a temperature control handle. | 09-18-2014 |
20140261780 | INTEGRATED SOLENOID VALVE FOR AN ELECTRONIC FAUCET - The present disclosure relates to a solenoid valve assembly for an electronic faucet. A solenoid coil of the valve assembly may be mounted to a printed circuit board for controlling the solenoid coil. An auxiliary port may be used to control one or more additional dispensing devices. | 09-18-2014 |
20140261781 | Adjustable Temperature Regulatd Faucet - A faucet includes a mixing chamber, a cold water actuator, a hot water actuator, a cold water actuator, and a valve assembly. The mixing chamber is in fluid communication with a spout. The bypass chamber is operably coupled to a source of cold water. The cold water actuator is operably coupled to provide, upon actuation, cold water to the mixing chamber. The hot water actuator is operably coupled to provide, upon actuation, hot water to the mixing chamber. The valve assembly has a seal configured to move in a direction away from the spout responsive to a temperature of water in the mixing chamber exceeding a threshold, such that fluid connection is provided between the bypass chamber and the mixing chamber. | 09-18-2014 |
20140311592 | TEMPERATURE CONTROL OUTLET DEVICE - It is a temperature control outlet device, including parts as body, faceplate communicating with the outlet end of the body, and the outlet assembly inside the body. The said outlet assembly includes a valve connected to the said body The said valve includes a mainstream and a diversion vent. There is a valve rod inside the channel of the said mainstream, which will open/close the said mainstream flow through a bias spring on the bottom and a memory spring on the top. The said diversion vent is connected to the diversion assembly and then makes a diversion channel. The said diversion assembly includes a switching rod with one end connected to a captured spring and the other end connected to a button so as to open/close the diversion channel. The invention of the claimed temperature control device will automatically stop outflow after running out cold water so as to save hot water and time in a way to make it more practical. | 10-23-2014 |
20140318640 | LUBRICATION SYSTEM THERMOSTAT, AND METHOD THEREOF - A lubrication system thermostat for controlling the flow of oil in a lubrication system includes a valve and an actuator. The valve is configured to modulate between an unmodulated position and a modulated position, each of which may be in an open position or a closed position. In the open position, at least a portion of the oil flow is unobstructed, and in the closed position, the oil flow is substantially blocked. The actuator is configured to modulate the valve. The actuator includes a thermal element configured to generate mechanical displacement when subjected to a temperature change such that the valve is movable from and returnable to the unmodulated position. The lubrication system thermostat may be in a normally-open configuration, in which the unmodulated position is the open position, or a normally-closed configuration, in which the unmodulated position is the closed position. | 10-30-2014 |
20140326334 | Valve with Temperature Activated Trigger Having Novel Material Configuration - A temperature activated valve is provided comprising a trigger for effecting actuation of the valve. The trigger includes a temperature responsive trigger portion including a plurality of constituent trigger segments connected to one another in series. The constituent trigger segments include a plurality of temperature responsive trigger segments. Each one of the temperature responsive trigger segments, independently, includes a composite material, the composite material including: (a) a shape changing material-comprising component configured to assume a change in shape in response to receiving of heat energy by the temperature responsive trigger segment, and (b) a relatively inelastic material-comprising component having a modulus of elasticity that is greater than the modulus of elasticity of the shape changing material-comprising component. | 11-06-2014 |
20140345711 | FLUID CONTROL VALVE - [Problem] In a fluid control valve, to make it possible to minimize the phenomenon of valve body fluttering and prevent resulting vibration and any consequent defects such as damage or wear to peripheral components, e.g., a rod, piston, or E-ring, housing-side wear or deformation, or breakage of a coil spring, and abnormal noise. [Solution] A fluid control valve ( | 11-27-2014 |
20140352812 | TEMPERATURE CONTROLLED PURGE VALVE FOR USE IN WATER SYSTEMS - Applicant discloses a thermally actuated valve having a housing, a resilient seat, a thermally conductive piston, a spring fluid seal, and a working material. The housing defines an inlet and an outlet and has two chambers. The seat is adjacent the inlet and the piston is adapted to move towards the seat when a working fluid in the housing warms and expands and away from the seat when a working fluid in the housing cools. By moving away from the seat, fluid flow through the valve is generated. In one application, Applicant's valve acts as a freeze prevention device. In another application, Applicant's valve is used to cool a source of water. | 12-04-2014 |
20150047720 | SOLENOID DEVICE WITH SENSOR - A solenoid device including pressure altering means for altering an output pressure of the solenoid device; and an actuator for providing an actuating signal to said pressure altering means; wherein the solenoid device further includes a sensor arranged to sense a control value of the solenoid device, and a controller which receives a request and is arranged to control delivery of power to the actuator with feedback from the sensor until the control value meets the request. | 02-19-2015 |
20150059873 | AUTOMATED WATER TEMPERATURE CONTROL SYSTEM - A system of thermally activated feedback control valves and thermally activated sensors to provide heated fluid within a desired temperature range which operates consistently at high and low flow rates, suitable for control of combination safety shower and eyewash stations. | 03-05-2015 |
20150090351 | Exhaust flow rate control apparatus and substrate processing apparatus provided therewith - The present invention is intended to set the temperature of a predetermined location inside a processing space in which a polishing pad and the like are disposed to within a predetermined temperature range, for example, a temperature range in which a polishing rate is maximum. A substrate processing apparatus | 04-02-2015 |
20150136248 | FLOW CONTROL SYSTEM WITH BUILD-DOWN SYSTEM FLOW MONITORING - To provide a flow control system with build-down system flow monitoring that realizes flow monitoring close to real-time monitoring by combining build-down system flow rate measurement with the upstream side of the flow control system without using a thermal type flow sensor by effectively utilizing high pressure fluctuation resistance characteristics of the flow control system, and can be significantly downsized and reduced in cost. | 05-21-2015 |
20150368886 | Water-Saving Mixer Tap - The invention concerns a water-saving mixer tap with a first water inlet, a second inlet for thermally conditioned water, such as a hot water inlet, at least one service water outlet for water coming from the first water inlet, from the second water inlet or from both, and remarkable in that it further comprises an auxiliary water outlet, and means for interconnection between the conditioned water inlet and the auxiliary outlet with a view to preparing conditioned water without losing water via the service outlet. The invention also concerns a flowing water system comprising such a mixer tap. The auxiliary outlet of the tap is connected to an auxiliary pipe provided with means for storing and/or means for discharging the water from the pipe for water which has lost the conditioning of same and flows towards the auxiliary pipe when the tap is in the position for preparing conditioned water. | 12-24-2015 |
20160010759 | SANITARY INSTALLATIONS AND SHOWER ASSEMBLY | 01-14-2016 |
20160047459 | Temperature-regulating Valve of Transmission Oil Cooling System in A Passenger Car - A temperature-regulating valve comprises a valve body, two circlips, two small O-rings and a valve core, wherein the valve core is located in the chamber of the valve body and comprises a big retainer ring, an end cap, medium retainer ring, a big O-ring, a restraint block, a thermal component, a compression spring, small retainer ring, a slide block, a return spring and a release pressure plate. | 02-18-2016 |
20160084549 | CONTROL VALVE - A vibration-proof spring, which coaxially inserts a shaft, is provided in a body of a control valve. The vibration-proof spring includes a cylindrical spring body, spring parts, which are integrally formed with a side wall of the spring body and are supported by the spring body in a cantilevered manner, and bulging portions, which are formed, on surfaces of the spring parts facing the shaft, in a protruding manner. The spring body is formed as a cylindrical body such that a plate-like body, which is obtained by punching a metallic plate through a press-forming process, is bent along a longitudinal direction of the plate-like body. Also, the spring body is formed in such a manner as to have edge parts that protrude radially outward from at least one of ends of the cylindrical body in the direction of axis line. | 03-24-2016 |
20160109029 | TEMPERATURE CONTROLLED PURGE VALVE WITH WASHER/O-RING SEAL STACK - In a valve having a body with a sealed working fluid chamber, a bore and a valved fluid chamber, the valved fluid chamber having an inlet and outlet and a seat between the inlet and the outlet, a piston for extending through the bore from the working fluid chamber to the valved fluid chamber, a spring for biasing the piston away from the seat and a working fluid for receipt in the working fluid chamber. Applicant provides an improvement comprising a seal stack assembly for entrainment, under compression, upon the piston and in the piston chamber between a working fluid chamber end wall and a first end of the piston, wherein the first end of the piston is located in the working fluid chamber and a second end in the valved fluid chamber. | 04-21-2016 |
20160123217 | CONTROL VALVE SYSTEM FOR COOLANT - A control valve system for a coolant includes an inlet through which a coolant flows into a water chamber. A plurality of outlets discharges the coolant outside the water chamber. A valve housing defines the water chamber which is fluidically connected to the inlet and the plurality of outlets. At least one rotary valve is rotatably installed in the water chamber. An actuator rotates the rotary valve. A controller is configured to control a flow rate of the coolant discharged to the plurality of outlets by adjusting a rotational angle of the rotary valve by the actuator. The plurality of outlets include a first outlet connected to a radiator which cools the coolant, and a second outlet connected to a reservoir tank which removes bubbles of the coolant. | 05-05-2016 |
20160153689 | EXPANSION VALVE | 06-02-2016 |
20160161061 | Safety Device for a Pressurized Gas Tank, in Particular of a Motor Vehicle - A safety device is provided for a pressurized gas tank in particular of a motor vehicle. The safety device has a thermoelectric device provided on a larger surface area of the tank, which thermoelectric device makes electrical energy available under the effect of heat. The safety device, in a suitable design of the system, controls either directly or indirectly a pressure-relief device of the tank in order to avoid heat-related damage to the tank. The thermoelectric device is formed by a plurality of interconnected thermoelectric generators, the electrical energy of which produced by the effect of heat is supplied to at least one capacitor. The two electrodes of the capacitor are connected to each other via a discharge resistor. The system is designed such that a defined power differential between the power produced by the thermoelectric generators and the power dissipated by the discharge resistor results in the control of the pressure relief device either directly or indirectly via a relay circuit. | 06-09-2016 |
20160178081 | THERMOSTAT VALVE FOR A COMBUSTION ENGINE | 06-23-2016 |
20160201302 | FAUCET VALVE HAVING ADA COMPLIANT RESET | 07-14-2016 |
20160201305 | AUTO-DIVERTER VALVE WITHOUT LEAKAGE | 07-14-2016 |
20160251837 | MULTIFUNCTIONAL RESTRICTIVE VALVE | 09-01-2016 |