Class 236/99K - Wax thermostat

Subclass of Class 236 - Automatic temperature and humidity regulation
No. of patents: 25
Last issue date: 08/05/2008

Number	Title	Issue Date
7407113	Products and process that act as a safety valve to prevent scalding A thermostatic valve incorporated within a plumbing system for regulating the flow of fluid. The thermostatic valve includes two valve assemblies operatively cooperating to preclude the flow of scalding water. The first valve assembly and second valve assembly respo...	08/05/2008
7320434	Method of controlling electronic controlled thermostat An electronically controlled thermostat control method is obtained which makes it possible to eliminate the response delay from the time that the required cooling water temperature is set to the time that the actual cooling water temperature reaches the set water te...	01/22/2008
7287707	Water control fixture having thermostatically controlled bypass valve A water control fixture having an operating valve and a thermostatically controlled bypass valve disposed in the fixture for bypassing water away from the fixture until the water temperature reaches a desired level. When pressurized water from the hot water heater r...	10/30/2007
7175102	Thermoelement A thermal element of a simple structure which can have a reduced cost because a minimum required number of structural components are used, excels in response and endurance and enables forward and backward movement of a piston with the prescribed stroke under the eff...	02/13/2007
7114661	Thermally actuated fluid shuttle valve A thermally actuated fluid shuttle valve that is a three-way direction control valve that shifts when fluid passing through said valve reaches a preset temperature. The control valve, including three ports, an internal shiftable spool, and a thermal element, wherein...	10/03/2006
6988672	Valves A temperature sensitive valve (10) includes a body (11) affording a passageway (12) for fluid, a valve member (15) which is moveable relative to the body (11) between first and second positions to control the flow of fluid through ...	01/24/2006
6820637	Temperature control check valve for water heater An improved water heater is proved, particularly for marine use, wherein a heated liquid, such as engine coolant, flows to a heat exchanger in a water tank to heat the water therein. The improvement comprises a check valve assembly in the engine coolant line to cont...	11/23/2004
6817540	Thermoelement A thermo element that makes it possible to efficiently raise the temperature of a whole body of wax encapsulated in a case and to obtain a reliable seal structure for a terminal withdrawal portion used to control the electrification of a heating device. The thermo e...	11/16/2004
6764020	Thermostat apparatus for use with temperature control system A thermostat apparatus is provided. The thermostat apparatus comprises a thermostat and a positioner for establishing different operating temperatures for thermostat. ...	07/20/2004
6648234	Control knob for thermostatically regulated mixing valve A mixing valve has a housing and a stem axially displaceable to adjust the output temperature of the valve. A tubular core body fixed in the housing an axially displaceable coupling body having an inner end axially engageable with the stem and an outer en...	11/18/2003
6530529	Method and system for regulating hydraulic pressure in heavy equipment The invention provides a method and system for regulating pressure equalization in hydraulic mechanisms. The system includes a main body, a thermal element positioned within the main body, a pin positioned adjacent to the thermal element, and an orifice s...	03/11/2003
6520418	Thermostatic valve with an annular slide An improved thermostatic valve has an axially open annular slide and a base plate which together form a gasket seat, and has a restoring spring, which biases the annular slide in the direction toward the base plate. The restoring spring is mounted upon an...	02/18/2003
6499666	Oil cooler bypass valve A valve actuating mechanism for a transmission/engine fluid cooler bypass valve of the type in which a responsive element expands to urge a valve member against a valve seat thereby causes transmission fluid to flow through an oil fluid cooler. A cast val...	12/31/2002
6336510	Sprinkler device for fire extinguishing systems A sprinkler device for fire extinguishing systems is adapted to be coupled to a fluid supply line and placed in an environment which is to be protected from fire. The device has an actuator sensitive to room temperature which causes motion of a shutter fo...	01/08/2002
6029686	Thermally responsive valve A freeze protection plug has latching balls engageable bayonet-fashion with grooves in a fitting. The balls are normally held in engagement with the grooves by a cam, but move inward to release the plug from the fitting when the cam is moved by a thermal ...	02/29/2000
6019171	Down flow, two pass radiator with automatic air venting means A down flow, two tank, two pass radiator includes a flow division baffle in the center of the upper tank that automatically vents any air trapped behind the baffle as the engine operates. When the engine starts, colder coolant has contracted a thermo wax ...	02/01/2000
5967410	Thermal relief valve A thermal relief valve to be mounted in a fluid flow line. The valve comprises a valve body and a valve actuator movable in a bore defined by a bore wall in the valve body from a sealing position in which the actuator sealingly engages a valve seat to blo...	10/19/1999
5033865	Thermo-actuator A thermo-actuator has a steel rod, a guide member slidably mounted on the rod, a spool seal secured to the guide member, a heat conductive cylinder secured to the guide member, and wax pellets provided in the cylinder. The spool seal has a thin layer, so ...	07/23/1991
4964376	Device for bypassing heat exchange conduits A system for controlling the heating of diesel fuel in a fuel tank of a diesel engine system to prevent diesel engine control electronics damage. The system is operable to bypass heat exchange medium flow at predetermined temperature ranges to prevent fur...	10/23/1990
4595046	Control apparatus for heat exchanger A control apparatus used for a heat exchanger having a casing through which a first fluid flows and a tube disposed within the casing for a second fluid to flow therethrough, thereby allowing a heat exchange to occur between the first and second fluids, t...	06/17/1986
4507921	Thermostatic sensor and method of making same Thermostatic sensor for controlling radiator valves either directly or by remote control, comprising a cup-like metallic vessel (1) with a compressible plastic bellows (3) and a means (6) for effecting control movements in response to expansion or contrac...	04/02/1985
4253304	Thermal element A thermal element having a tubular casing with an open end, a volume of heat-responsive, expandable wax positioned in said casing at a distance from the open end thereof, a spherical resilient seal member compressively positioned in the casing adjacent sa...	03/03/1981
4176786	Concealed thermostatic control valve A thermostatic control valve for regulating the supply of fluid through a conduit includes in combination a valve plate and seat in the conduit, the valve plate having a valve stem extending outwards of the conduit with the valve stem having a spring exte...	12/04/1979
3991829	Delayed closing fire sprinkler heads A fire sprinkler valve with a valve member coupled to a primary temperature responsive control mechanism that is activated to open the valve in response to ambient temperatures above a given temperature level and that urges the valve toward closed positio...	11/16/1976
3935998	Valve construction and system utilizing the same A three-way changeover valve construction having a housing means provided with an inlet and a pair of outlets. A pair of valve seats are carried by the housing for respectively controlling fluid flow from the inlet through the outlets. A pair of valve mem...	02/03/1976

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Class 236/99K - Wax thermostat