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| Number | Title | Issue Date |
| 7946506 | Hydraulic heating apparatus A hydraulic heating apparatus includes a body having an inlet for high pressure fluid, and an outlet for heated fluid, a chamber within the body and a flow path for the high pressure fluid between the inlet and the chamber. The high pressure fluid flows through a re... | 05/24/2011 |
| 7748641 | Linking device having connecting member with thermal deformation absorbing structure A linking device has a connecting member for connecting a first rotation member and a second rotation member. The connecting member is connected to the first rotation member at a first connecting point and to the second rotation member at a second connecting point. ... | 07/06/2010 |
| 7422159 | Thermostat valve unit In connection with a thermostat valve which, together with a housing cover member, constitutes a structural unit, it is provided that a cross arm member is secured on a housing cover by means of a snap-in connection and is provided with flanges extending into a fast... | 09/09/2008 |
| 7309022 | Substance shutoff device and fuel cell There is provided a substance shutoff device for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are brought into contact with each other to thereby prevent further contact b... | 12/18/2007 |
| 7174734 | Refrigerator damper with PTC heater actuation A damper in a refrigeration system having a first compartment and a second compartment connectable through a passageway is provided. The damper comprises a damper door, a temperature responsive unit, and a heating element. The damper door is moveable between an open... | 02/13/2007 |
| 7172135 | Thermostat for two-system cooling device A thermostat independently controlling cooling water passages of two circuits, including a first valve body having first and second passages in constant communication. A third passage is selectively connected to those passages. Communication of the third passage is ... | 02/06/2007 |
| 7093817 | Flow control assemblies having integrally formed shape memory alloy actuators In one embodiment of the present invention, a shape memory alloy (“SMA”)-actuated flow controller comprises a number of grille members, each having a long axis and being slideable relative to one another parallel to that long axis. The SMA-actuated flow controll... | 08/22/2006 |
| 7070118 | Vehicle cooling device A vehicle cooling device for radiating the heat using a refrigerant includes a main valve for controlling a flow distribution of the refrigerant distributed to a radiator and to at least one of conduits among conduits where the refrigerant flows bypassing the radiat... | 07/04/2006 |
| 7036745 | Thermostatic valve for a fluid circulation circuit and a heat engine associated with a cooling circuit comprising such a valve A thermostatic valve comprises a casing which delimits openings for circulation of a fluid, a mobile sleeve for regulating passage of the fluid between the openings, a fixed seat for receiving the sleeve and a thermostatic member which has a mobile piston. The sleev... | 05/02/2006 |
| 7013954 | Thermosiphon A thermosiphon which can be manufactured easily at low costs, having excellent resistance to pressure, without the circulation of a working fluid being hindered. A condenser 3 includes a condensing section 4 composed of extruded members in which a plur... | 03/21/2006 |
| 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 |
| 6918402 | Flow control apparatus The present invention provides a flow control apparatus and method. In accordance with the present invention, the flow control apparatus comprises a thermostat that automatically actuates valve to enable water to flow through the valve when the temperature of the ai... | 07/19/2005 |
| 6722386 | Flow control apparatus and method The present invention provides a flow control apparatus and method. In accordance with the present invention, the flow control apparatus comprises a thermostat that automatically actuates valve to enable water to flow through the valve when the temperature of the ai... | 04/20/2004 |
| 6626202 | Flow control apparatus and method The present invention provides a flow control apparatus and method. In accordance with the present invention, the flow control apparatus comprises a thermostat that automatically actuates valve to enable water to flow through the valve when the temperatur... | 09/30/2003 |
| 6530391 | Temperature activated valve A temperature and pressure sensitive valve is disclosed herein. The valve has a valve piston for regulating flow through the valve, a valve piston guide for directing movement of the piston, the piston guide having one or more passages there through, a th... | 03/11/2003 |
| 6404321 | Actuator An actuator for a device such as a valve controlling coolant for an automotive engine. The actuator has a base body on which is supported an electrically heatable thermostatic operating element having an operating piston that moves a motion transfer membe... | 06/11/2002 |
| 6000415 | Method and apparatus for positioning a restrictor shield of a pump in response to an electric signal Apparatus, positioned at an inlet port to a pump, for shielding the pump from a process chamber of a semiconductor wafer processing system, where the apparatus has a controllably variable effective throughput area, and method for electrically controlling ... | 12/14/1999 |
| 5984257 | Fluid flow regulating valve using thermal expansion material A fluid flow regulating valve using a thermal expansion material. The valve includes a body provided with inlet and outlet ports; a displacement control part in the body, the displacement control part containing the thermal expansion material and displace... | 11/16/1999 |
| 5968395 | Bistable actuator with two thermal actuating elements electrically operated independently of one another or multiposition setting of the device A simple, low-cost, reliable thermoactuator device is described, being capable of taking a plurality of stable working position besides its rest position. One and the same body is associated with at least two thermoactuators whose arrangement is such as t... | 10/19/1999 |
| 5816493 | Thermally expansible compositions methods for preparation and devices using same A thermally expansible composition is provided as well as method of making the composition and actuators and other devices employing the composition. The composition comprises a mixture of silicone elastomer and a thermostatic wax, polymer, alloy or alloy... | 10/06/1998 |
| 5613634 | Passively ambient temperature actuated fluid valve A passively temperature actuated valve has a shape memory alloy (SMA) mechanism connected to a lever arm which engages the valve stem to actuate the valve against the biasing force of a valve stem biasing spring when the ambient temperature rises above th... | 03/25/1997 |
| 5584432 | Anti-scald valve with shape memory alloy actuator An anti-scald valve including a housing including a fluid flow inlet end and a fluid flow outlet end. A first valve component and a second valve component positioned in the housing between the inlet end and the outlet end. At least one of the first valve ... | 12/17/1996 |
| 5511723 | Combination faucet and method of mixing hot water with cold water A combination faucet compensates for a temperature deviation between a target temperature and actual temperature of a water mixture by utilizing a temperature-sensitive coil spring (80) to press a movable cylinder or axially elongated valve disc (70) that... | 04/30/1996 |
| 5359988 | Spherical cooking unit An outdoor cooking unit comprises a hollow, hemispherical base that increases in diameter from top to bottom. Detachably secured to the hemispherical base is a hollow, hemispherical firebox that decreases in diameter from top to bottom. Supported by the f... | 11/01/1994 |
| 5316437 | Gas turbine engine structural frame assembly having a thermally actuated valve for modulating a flow of hot gases through the frame hub A structural frame assembly for use in a gas turbine engine includes an annular inner hub, an annular outer casing and a plurality of circumferentially-spaced and radially extending hollow struts connected to the inner hub and outer casing. Hot gases are ... | 05/31/1994 |
| 5263644 | Temperature sensitive controlling device A temperature sensitive controlling device comprises a casing inside which powders of at least two shape memory alloys are disposed with a shaft movably received therein. The mix of different shape memory alloy powder provides a characteristic curve more ... | 11/23/1993 |
| 5083439 | Control device having a shape memory wire, refrigerator system utilizing the control device and methods of making the same A control device, refrigerator system utilizing the control device and methods of making the same are provided, the control device comprising a housing having a valve seat and having an inlet and an outlet interconnected together by the valve seat, a mova... | 01/28/1992 |
| 4871089 | Hot water dispenser A hot water dispenser is provided for dispensing a selected volume of water at a predetermined water temperature. The dispenser has a body defining a predetermined sized cavity having an inlet for receiving cold water and an outlet for dispensing hot wate... | 10/03/1989 |
| 4836443 | Temperature-dependent pressure release device for pressure vessels Thermal expansion from the heating up of a pressure vessel in the form of elongated cylinder for containing a nuclear reaction is used to produce motion, beginning at a certain limit temperature, which is used to actuate a lever mechanism to open a safet... | 06/06/1989 |
| 4631928 | Joule-Thomson apparatus with temperature sensitive annular expansion passageway A self-regulated Joule-Thomson expansion valve and cryostat useful in miniaturized cryogenic gas liquefaction systems include a substantially frustroconical valve member having a base portion supported at the end of first means such as an elongate shaft a... | 12/30/1986 |
| 4606497 | Temperature compensator for pressure regulator A temperature compensator mounted on a gas pressure regulator having a spring loaded valve in which the amount of compression in the spring is changed by moving an adjusting member of the compensator in response to changes in temperature. The temperature ... | 08/19/1986 |
| 4570851 | Temperature regulating, pressure relief flow valves employing shaped memory alloys The invention relates to a temperature regulating/pressure relief valve employing a shaped memory alloy wire positioned under tension within the housing of the valve. The wire contracts upon an increase in temperature in the fluid passing through the valv... | 02/18/1986 |
| 4570852 | Drain valve A drain valve has a construction such that ascent and descent of a drain valve head for opening and closing a discharge port are effected by a combination of two coiled springs, one of which is made of a shape memory effect alloy. The drain valve head is ... | 02/18/1986 |
| 4555981 | Damper operator for use with air, smoke and fire dampers A damper operator for use with a damper having a frame and a damper blade pivotally associated with the frame, which damper operator comprises a drive rod; a pair of lever arms which are pivotally associated with each and which extend between the drive ro... | 12/03/1985 |
| 4541735 | Thermal sensing element using methanol saturated fluorocarbon elastomer as the heat responsive material A thermal sensing element containing a heat responsive material having a very high negative coefficient of thermal expansion. The heat responsive material contained therein is a methanol saturated copolymer of hexafluoropropylene and vinylidene fluoride. ... | 09/17/1985 |
| 4513570 | Manual reset type bimetal thermostat Disclosed is a manual reset type bimetal thermostat where a reversible plate is affixed to a disc type bimetal which can reverse in response to temperature change, characterized in that at least either of the reversible plate and the bimetal is provided w... | 04/30/1985 |
| 4484562 | Flexible disk damper A flexible disk damper which is capable of providing tight seals for a large diameter opening over a wide range of temperatures. Disks are made sufficiently flexible to compensate for inherent warpage in the damper seat by using a steel with a higher yiel... | 11/27/1984 |
| 4472999 | Damper operator for use with air, smoke and fire dampers A damper operator for use with a damper having a frame and a damper blade pivotally associated with the frame, which damper operator comprises a drive rod; a pair of lever arms which are pivotally associated with each and which extend between the drive ro... | 09/25/1984 |
| 4468935 | Device for regulating a Joule-Thomson effect refrigerator Device comprising an inlet duct for a gaseous refrigerating fluid under pressure connected to a choke opening into a fluid expansion and liquefaction chamber connecting with a refrigerating fluid discharge passage which exchanges heat with the said inlet ... | 09/04/1984 |
| 4451002 | Temperature actuated valve and phase separation method The temperature actuated valve comprises a thermally more sensitive valve stem than the valve housing. The stem expands at a faster rate and causes vapor entering the valve to be gradually vented through an orifice of gradually increasing area as the temp... | 05/29/1984 |
