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| Number | Title | Issue Date |
| 8087592 | Pressure-thermostat A pressure-thermostat (1) includes a body (2) having a cavity (5), a conduit (6) for a fluid and at least a couple of electric switches (8a, 8b) arranged from the opposite part with respect to said conduit (... | 01/03/2012 |
| 7347423 | Arrangement in connection with mechanical seal An arrangement in connection with a mechanical seal includes at least two sliding surfaces pressing against each other, which are arranged to seal a gap between a rotating and a non-rotating machining part, and mechanism for providing a sealing fluid flow cooling th... | 03/25/2008 |
| 7246941 | Sensing media temperature in an HVAC valve An apparatus and method are provided for determining the temperature of an operating fluid media in an HVAC system. An integral temperature sensor, mounted within an actuator of an actuator-driven HVAC valve, senses the temperature of a valve body of the HVAC valve.... | 07/24/2007 |
| 7216635 | Evaporative emission controls in a fuel system A method, fuel system, and components for facilitating the delivery of liquid fuel from a fuel tank in fluid communication with a float bowl carburetor of an internal combustion engine, wherein evaporative emissions of the fuel from the fuel tank and float bowl carb... | 05/15/2007 |
| 6994102 | Pressure regulating valve A pressure regulating valve which is comprised of a valve body being comprised of a cylinder, a spool slidably disposed in the cylinder with a clearance, the spool and the cylinder defining a pressure chamber and a space portion, and an urging member which urges the... | 02/07/2006 |
| 6536676 | Valves A valve assembly comprising a housing having an inlet and space therefrom an outlet, means located in the housing for controlling the flow of fluid between the inlet and the outlet, said means including a main valve movable between a first relatively clos... | 03/25/2003 |
| 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 |
| 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 |
| 5259554 | Temperature responsive, pilot operated line valve with shape memory alloy actuator A shape memory effect actuated diaphragmatic anti-scald valve, including a valve housing having a fluid flow path therethrough and including a pilot chamber. There is a first valve seat within the housing and a second valve seat within the housing and dow... | 11/09/1993 |
| 5191915 | Viscous fluid shear clutches and control valves therefor A viscous fluid shear clutch comprises a two-part outer casing 14,15 and an inner clutch member 10 between which is defined a clearance gap into which viscous fluid may flow to provide an adjustable degree of coupling between the casing and the clutch mem... | 03/09/1993 |
| 5156332 | Pressure regulating flow control apparatus A pressure regulating flow control apparatus comprises a flow metering valve (10) for controllably discharging a fluid from a spring-biased throttling spool (30) thereof to a fluidic device at a regulated pressure and a pressure modulting valve (100) oper... | 10/20/1992 |
| 5037061 | Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet leading from the chamber, a valve seat carried by the housing ... | 08/06/1991 |
| 4958801 | Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet leading from the chamber, a valve seat carried by the housing ... | 09/25/1990 |
| 4715808 | Thermostatic control system A system for controlling the amount of natural supply gas delivered from a natural gas supply source to a natural gas burner adapted to continually heat a process fluid in a vessel and for enabling the gas burned to continuously automatically maintain the... | 12/29/1987 |
| 4694988 | Control installation for variable volume air diffusers In a self-powered diffuser for a variable volume air distribution system, an installation for the control components which facilitate adjustment, modification and system start up. A Tee fitting located in the control compartment feeds through the bulkhead... | 09/22/1987 |
| 4659010 | Thermostatic transducer A bleed thermostat is provided with structure for determining at least one position of the bleed plate and therefore, the registration of the opening with the bleed port at that point. By selecting the full registration position, a condition indicative of... | 04/21/1987 |
| 4643352 | Temperature compensating vacuum delay valve For use in applying a vacuum to a choke pull-off assembly, a temperature compensating vacuum delay valve comprising a housing a first opening adapted to be connected to manifold vacuum and a second opening adapted to be connected to a choke pull-off assem... | 02/17/1987 |
| 4637546 | Pneumatic differential pressure controller A differential pressure controller includes means for controllably metering a flow of air therethrough to an external control device, the metering means including a valving member and a nozzle coacting with the member for metering the flow of air. Also in... | 01/20/1987 |
| 4615482 | Multi-way fluid flow control valve A temperature-dependently actuated 3-port, 2-way valve 1 has a bimetallic disc 22 which closes either a valve seat 15, as shown, or a valve seat 14 when it snaps over into an upwardly domed position. The disc 22 is floatingly supported by two 3-legged spr... | 10/07/1986 |
| 4542391 | Ink jet recording head An ink jet recording head is constructed with a liquid droplet discharging device, a feeding path for supplying ink to the liquid droplet discharging device, and a flow path resistance adjusting section formed in one part of the ink feeding path to increa... | 09/17/1985 |
| 4527735 | Thermostatic transducer A bleed thermostat is provided with structure for determining at least one position of the bleed plate and therefore, the registration of the opening with the bleed port at that point. By selecting the full registration position, a condition indicative of... | 07/09/1985 |
| 4480783 | VAV Terminal local control loop In a VAV terminal local control loop including a bellows controlled orifice in which the bellows inflation is controlled by a bleed thermostat, a signal is produced indicative of terminal satisfaction/dissatisfaction which can be used in controlling the a... | 11/06/1984 |
| 4474550 | Thermostatic control system A system for controlling the amount of natural supply gas delivered from a natural gas supply source to a natural gas burner adapted to continually heat a process fluid in a vessel and for enabling the gas burner to continuously automatically maintain the... | 10/02/1984 |
| 4460124 | Double throw valve An improved thermally actuated valve assembly having a double throw feature comprises three ports in which two passage routes are provided through the valve; one passage route connecting ports one and two and the other passage route connecting ports two a... | 07/17/1984 |
| 4421271 | Zero energy band subbase for pneumatic thermostats A pneumatic subbase for modifying the operation of a pneumatic thermostat is disclosed having a first nozzle to be connected to a source of main pressure, a second nozzle for supplying branch output pressure to the device being controlled, a third nozzle ... | 12/20/1983 |
| 4420033 | System for automatically controlling vehicle compartment temperature and transducer therefor An automatic temperature control system for regulating the temperature of a vehicle passenger compartment at an operator selected temperature. The system employs an in-car transducer which senses compartment air temperature and emits a vacuum control sign... | 12/13/1983 |
| 4401263 | Pneumatic relay controlled transducer construction An electrical current input to a pneumatic signal output transducer construction wherein the signal is substantially proportional to the current and is generated by a pneumatic relay of the construction that is controlled by an electrical current receivin... | 08/30/1983 |
| 4392608 | Thermally responsive fluid and electrical switch and control system A thermally responsive fluid and electrical switch particularly for use in an automotive engine control system has first and second housing means each with an open-ended well, the housing means being secured together so that the wells cooperate to form a ... | 07/12/1983 |
| 4386732 | Thermally responsive valve assembly A thermally responsive valve assembly having two ports and a valve mechanism interposed between the ports. The assembly employs a bimetallic element assembly including a pair of dish-shaped bimetallic elements of different thermally responsive character. ... | 06/07/1983 |
| 4382545 | Bimetal-actuated temperature responsive valve assembly The bimetal-actuated temperature responsive valve assembly includes a body having inlet and outlet parts, a valve member for controlling communication between the inlet and outlet parts, a movable rod engageable with said valve member, a first bimetal dis... | 05/10/1983 |
| 4382546 | Temperature responsive valve device The temperature responsive valve device controls a fluid passage within a valve body by opening a valve member at a low temperature, closing the valve member at an intermediate temperature and re-opening the valve member at a higher temperature. The valve... | 05/10/1983 |
| 4378907 | Dual function thermal valve An improved, dual function, thermal valve assembly has two passages and two valve mechanisms disposed in the passages, respectively. The assembly employs two thermally responsive actuating members which are actuatable to provide the dual functions in succ... | 04/05/1983 |
| 4337818 | Vehicle temperature control system A heating and air conditioning control system havng a compressor clutch cycle control feature for controlling the in-car temperature of a vehicle passenger compartment is disclosed. The system comprises an automatic temperature control (ATC) sensor (32) w... | 07/06/1982 |
| 4323112 | No energy band temperature control A system for controlling the temperature of an enclosed volume includes a pneumatic thermostat, heating means and cooling means. The thermostat has two entirely independent controls: a heating control and a cooling control. Both controls remain independen... | 04/06/1982 |
| 4322032 | Thermally responsive valve device The thermally responsive valve device is comprised of a body having three passages therein, the first of which is adapted to be conected to a vacuum source while the second and third passages are each adapted to be connected to a suitable fluid operated d... | 03/30/1982 |
| 4320872 | Anti-ice control system An anti-ice control system for controlling flow of heated air in response to the temperature of the heated air and ambient air.... | 03/23/1982 |
| 4318509 | Fluid temperature control system Fluid temperature control system for providing a supply fluid at a select temperature by warming or cooling a first fluid with a controlled flow of a second fluid. The control of the second fluid flow is achieved by a modulation valve adjustable in respon... | 03/09/1982 |
| 4303195 | Thermally responsive valve device A thermally responsive valve includes first and second bimetallic disks which are adapted to snap-over in response to first and second predetermined temperatures. First and second inlet ports are connected to vacuum and atmospheric pressure sources respec... | 12/01/1981 |
| 4296721 | Control system having an improved condition responsive valve construction The condition responsive valve construction has a valve seat disposed between a pair of ports to interconnect the same together and has a valve member for opening and closing the valve seat in response to a condition sensed thereby, a by-pass passage bein... | 10/27/1981 |
| 4269351 | Proportional stroke automatic temperature control system This invention relates to an automatic temperature control system for automobiles and improved components thereof. The control system operates on the proportional stroke principle and comprises an in-car air sensing tube biased with ambient air; a sensor ... | 05/26/1981 |
