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| Number | Title | Issue Date |
| 7478762 | Thermal by-pass valve A thermal by-pass valve for fluids includes a sleeve having an inlet opening, and two outlet openings. One of the outlet openings functions as a by-pass opening. A bi-metallic metal coil is enclosed within the sleeve. The coil has one end securely attached to a cap,... | 01/20/2009 |
| 7424978 | Resettable bi-stable thermal valve A temperature sensitive resettable linear actuator includes a linear actuator housing and a support shaft. The support shaft has a first end portion configured for longitudinal movement within the linear actuator housing and a second end portion extending from the l... | 09/16/2008 |
| 7217357 | Oil filter for engines, transmissions or automatic transmissions Oil filter for engines, transmissions or automatic transmissions, said oil filter being integrated in an oil pan, at least one bypass valve being arranged on the oil filter, the bypass valve containing a spring whose spring resistance increases with increasing tempe... | 05/15/2007 |
| 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 |
| 6497372 | Automatic temperature control valve A valve body is provided with a valve chamber with a predetermined size having at both ends a fluid inlet and a fluid outlet, a coil spring mounted within the valve chamber of the valve body and expanding and contracting depending upon a variation of flui... | 12/24/2002 |
| 6427712 | Ambient temperature shape memory alloy actuator A novel shape memory alloy (SMA) actuator which responds to changes in ambient temperature. The actuator is capable of operating bidirectionally over a smaller temperature range than conventional SMA actuators by taking advantage of the R-phase characteri... | 08/06/2002 |
| 6360957 | Thermally reactive radiator closure assembly A thermally reactive closure assembly for sealing a filler neck opening of a radiator and for controlling the fluid flow from the radiator through a passageway. The closure assembly includes a cap member and a vent valve associated with the passageway. Th... | 03/26/2002 |
| 6311897 | Passive pulse generator and method for activating a fitting with a passive pulse generator A passive pulse generator can be connected to a line in order to activate a safety fitting in a nuclear power plant. The line can be closed by a closure element. In the event of a temperature change in the vicinity of the pulse generator, the closure elem... | 11/06/2001 |
| 6120408 | Limited slip differential with temperature compensating valve A flow control valve for regulating the flow across an orifice to eliminate the effects of viscosity changes throughout a range of temperatures for the hydraulic fluid. The valve includes a base with an orifice and a slide valve element that registers wit... | 09/19/2000 |
| 6058730 | Flow regulating valve apparatus for air conditioning systems A flow regulating valve (100) for an air conditioning system is shown in which a body member (104) is provided with a fixed passageway (104a) and a variable passageway (104b) which results in regulating flow of refrigerant into the evaporator of the air c... | 05/09/2000 |
| 6041770 | Bi-metallic control device A bi-metal control flap for a wood stove is biased to close by gravity and is controlled to open an air inlet when the temperature rises which is opposite to the traditional bi-metal control systems which close when the temperature rises. The valve is a f... | 03/28/2000 |
| 5967409 | Temperature responsive valves and method of regulating fluid flow therethrough Temperature responsive valves for regulating fluid flow in a supply line such as to a showerhead or faucet wherein the valves include a slide valve assembly which is movably positioned within a bore extending in transverse communication with respect to a ... | 10/19/1999 |
| 5878949 | Temperature-actuated valve device and flow passage switching valve using such device A temperature-actuated valve device which comprises a body 5 provided with a fluid inlet opening 6b and a fluid outlet opening 5a, a vale seat 5b formed on the peripheral edge of the outlet opening 5a, a main valve body 8 which is disposed movably within ... | 03/09/1999 |
| 5806761 | Combination faucet device In a combination faucet device (10) according to the invention, a movable valve member (160) slidingly moves relative to a main casing (30) to change a mixing ratio of high-temperature water supplied from a hot water port (116) to low-temperature water su... | 09/15/1998 |
| 5803354 | Temperature responsive fluid flow controllers Controllers for regulating fluid flow, and especially flow of liquid in supply lines, each of which include a valve assembly which is slidably positioned in a bore extending transverse to a fluid passageway extending through the body of the controller. Ea... | 09/08/1998 |
| 5738275 | Combination faucet device In a combination faucet device (10) according to the invention, a movable valve member (160) slidingly moves relative to a main casing (30) to change a mixing ratio of high-temperature water supplied from a hot water port (116) to low-temperature water su... | 04/14/1998 |
| 5695116 | Thermally activated vent damper A thermally activated vent damper assembly for occluding passage of gases in a passageway such as a flue. The assembly includes first and second damper members which are pivotable about a common axis. Coaxial first and second support members which are spa... | 12/09/1997 |
| 5692675 | Apparatus and method for diverting shower water of improper temperature from bather The apparatus consisting of a rotating shield mounted in front of the shower head with a pattern of holes that, when aligned with a corresponding pattern of holes in the shower nozzle, allow the water to pass through to the bather. The shield is turned in... | 12/02/1997 |
| 5579992 | Combination faucet device In a combination faucet device (10) according to the invention, a movable valve member (160) slidingly moves relative to a main casing (30) to change a mixing ratio of high-temperature water supplied from a hot water port (116) to low-temperature water su... | 12/03/1996 |
| 5505379 | Forced air register with louver control and method of construction thereof The present device is a movable-louver heating and cooling register. The register is designed to have the same overall dimensions of commercial registers available today. The heating and cooling register has movable louvers installed on pivots that are fo... | 04/09/1996 |
| 5479786 | Flow regulating valve apparatus for air conditioning systems A flow regulating valve for air conditioning systems is shown in which a body member (26, 26a-26e) is provided with a passageway (28, 28a-28f) which results in regulating flow of refrigerant into the evaporator of the air conditioning system under normal ... | 01/02/1996 |
| 5476419 | Thermally actuated heating/cooling air changeover deflector structure for a ceiling diffuser A thermally actuated deflector structure for automatically varying the air discharge pattern of a ceiling diffuser in response to a sensed change in the temperature of air being delivered to the diffuser includes a multi-bladed damper assembly positioned ... | 12/19/1995 |
| 5417367 | Device for opening a pipe and an application of said device Device for controlling the opening of a blanking off flap of a pipe, wherein the blanking off flap of the pipe is controlled in a first direction by a device using a spring made of a shape memory alloy as soon as the temperature rises and a return spring ... | 05/23/1995 |
| 5400961 | Electromechanical thermostatic mixing valve An electromechanically controlled thermostatic mixing valve (10) comprises a movable mixing valve member (114) resiliently held between a temperature responsive coiled spring (132) and a bias spring (134). The temperature responsive spring is made of a ma... | 03/28/1995 |
| 5273208 | Constant temperature valve The valve includes a cylindrical wall, adjacent and distinct hot and cold fluid inlet ports passing through a first wall portion, each port having a plurality of slotted inlet orifices at the inner surface of the wall. A rigid, coiled metal ribbon member ... | 12/28/1993 |
| 5261597 | Temperature responsive 3-way line valve with shape memory alloy actuator The invention provides a self-contained automatic temperature-responsive three-way line valve. A tubular valve member is axially slidable between first and second limit positions for selectively directing fluid from an inlet port to a first outlet port or... | 11/16/1993 |
| 5186385 | Thermally activated vent damper A thermally activated vent damper assembly for a flue is adapted to be situated in relation to the flue for occluding the passage of gas through the flue. A support member traverses the flue and suspends the damper member across the flue for movement betw... | 02/16/1993 |
| 5176544 | Shape memory actuator smart connector A pivotal electrical connector for connecting a shape memory alloy element in the form of a coil spring to a fixed member, the connector including a strip of electrically conductive material having a clip or a pair of legs for securing the connector to on... | 01/05/1993 |
| 5141153 | Energy conservation and anti-scald/burn single handle valve construction A water temperature sensing/flow control mixing valve has a valve body with hot and cold water inlets and at least one outlet. A mixing valve member is positioned within the valve body and controls the proportion of hot and cold water that flows from the ... | 08/25/1992 |
| 5123593 | Manual override heat sensitive valve The invention is directed to a novel manually overrideable heat sensitive valve. In a particular embodiment, this invention is directed to a novel faucet aerator which contains the valve. The faucet aerator, when affixed to a water faucet, can stop the fl... | 06/23/1992 |
| 5110045 | Dual exhaust fluid flow control distribution apparatus A fluid flow control for an automative transmission system is shown in which a gate, attached to a free end of a thermostatic coil, is caused to slide on a control plate having first and second orifices dependent upon changes in sensed temperature between... | 05/05/1992 |
| 5104038 | Thermostat apparatus An apparatus wherein a thermostat is mounted within a sleeve, with the sleeve positionable as a junction between a plurality of hoses, or alternatively, the sleeve formed with a sealing boss, with the sealing boss extending radially beyond the sleeve, and... | 04/14/1992 |
| 5094519 | Cooled laser mirror having adaptive flow control A adaptive flow-control regulator is disclosed for use in controlling the circulation of cooling fluid through in a cooled laser mirror. The adaptive flow-control regulator utilizes a temperature-sensitive spring to control the movement of a plunger with ... | 03/10/1992 |
| 5082172 | Thermally activated vent damper A thermally activated vent damper assembly for a flue is adapted to be situated in relation to the flue for occluding the passage of gas through the flue. A support member transverses the flue and suspends the damper member across the flue for movement be... | 01/21/1992 |
| 5071064 | Shape memory actuator smart connector A pivotal electrical connector for connecting a shape memory alloy element in the form of a coil spring to a fixed member, the connector including a strip of electrically conductive material having a clip or a pair of legs for securing the connector to on... | 12/10/1991 |
| 5014520 | Control device having a coiled compression shape memory spring, 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... | 05/14/1991 |
| 4979672 | Shape memory actuator A shape memory actuator for controlling the position of a control member, such as a damper plate in a duct, the actuator including first and second shape memory elements each having an austenite phase transition temperature above which each element assume... | 12/25/1990 |
| 4932429 | Screw stopper including anti-freeze device used for water pipe valve This invention relates to a screw stopper including an anti-freeze device used for water pipe valve and fitted to the lower end portion of an open/close movable valve of said water pipe valve comprises: a small perforation penetrated centrally on the lowe... | 06/12/1990 |
| 4848653 | Ridge vent with shape-memory actuated heat valve An improved actuator for the damper of a ridge vent. The actuator includes coil springs constructed from a shape-memory alloy. The springs are contracted below a selected temperature at which the damper is to open, and the contracted springs maintain the ... | 07/18/1989 |
| 4783000 | Temperature responsive flow control valve apparatus A temperature responsive valve particularly adapted for use in a manual valve of a vehicular automatic transmission control is shown in which the temperature responsive valve has a generally cylindrical housing with a reduced diameter section and a cylind... | 11/08/1988 |
