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| Number | Title | Issue Date |
| 7997505 | Bypass valve for a cooler connected downstream of a hydraulic unit A bypass valve for a cooler connected downstream from a hydraulic aggregate. The bypass valve includes a housing with ports for connection to the hydraulic aggregate and the cooler. A closure element is located in the housing for closing and opening a bypass. A spri... | 08/16/2011 |
| 7819332 | Device for uncoupling the oil flow through a radiator A bypass valve for blocking oil flow through a radiator from a transmission with low oil temperatures includes an oil supply from the radiator, an oil supply, via a bypass line, an oil outlet and a valve unit arranged inside the valve housing. The valve unit include... | 10/26/2010 |
| 7412948 | Fluid valve A fluid valve for use in proportioning/mixing fluid between at least one input and at least one output. The fluid valve including a rotary actuated diverter for controlling fluid flow between the inlet(s) and outlet(s). The fluid valve may be configured to support p... | 08/19/2008 |
| 7409929 | Cooling apparatus for internal combustion engine A cooling apparatus includes a thermostat that adjusts a feed rate of coolant to a radiator, estimating means that estimates a coolant temperature simulated value at least based on the detection value of an intake-air temperature sensor, and diagnosis means that dia... | 08/12/2008 |
| 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 |
| 7299994 | 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 and thereby causes transmission fluid to flow through an oil fluid cooler. A cast valve hous... | 11/27/2007 |
| 7299993 | Apparatus for detecting a failure of a thermostat for an engine An apparatus for detecting a failure of a thermostat provided between an engine and a radiator is provided. The thermostat regulates circulation of cooling water between the engine and the radiator. The apparatus comprises a radiator water temperature sensor dispose... | 11/27/2007 |
| 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 |
| 7275697 | Thermostatic valve for a cooling circuit A valve comprises a housing, a movable check mechanism that is suitable for regulating passage of a fluid between an inlet orifice and an outlet orifice of the housing, a stationary seat for receiving the check mechanism, and a thermostatic element that is provided ... | 10/02/2007 |
| 7267084 | Cooling and preheating device In a cooling and heating device for an internal combustion engine having a main coolant pump supplying coolant to the engine and a coolant return line with a return flow control unit which directs the coolant return flow to the main coolant pump selectively via a la... | 09/11/2007 |
| 7255012 | Process fluid flow device with variable orifice A process device providing total fluid flow control is provided. The device includes a closure mechanism disposed in a flow conduit. The closure mechanism, which is preferably an iris-type diaphragm, provides a variable internal diameter. The device includes a diffe... | 08/14/2007 |
| 7222592 | Water outlet box provided with a thermostat and manufacturing process A water out-let box comprising a regulating thermostat principally made up of a valve to block an opening of a passage emerging in the box, the valve being stressed against its seat, formed by the peripheral edge of the above-mentioned opening, by an elastic loading... | 05/29/2007 |
| 7210846 | Thermostat housing assembly A thermostat housing assembly (10, 100) includes a housing (12, 102) having a flange (16, 106) for mounting the housing (12, 102) on a support structure and a tubular spout (18, 108) extending from the flange (16, 106) and d... | 05/01/2007 |
| 7204678 | Method for controlling the oil recirculation in an oil-injected screw-type compressor and compressor using this method The invention relates to a method for controlling the oil recirculation in an oil-injected screw-type compressor which, between the oil separator (10) and the compressor element (1), comprises an oil recirculation conduit (17) in which an oil co... | 04/17/2007 |
| 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 |
| 7171926 | Internal combustion engine thermostat guide An internal combustion engine performing its cooling by means of coolant and being capable of detecting a temperature of the coolant accurately is to be provided. In this engine, there is mounted a water outlet 3 provided with a temperature detecting means | 02/06/2007 |
| 7172133 | Heatable dilation element Expansion or elastic material working element, particularly for operating a thermostatic valve, having a housing and a movable working pin led out of the housing, the housing containing expansion material and a heating device with an electrical resistance element ap... | 02/06/2007 |
| 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 |
| 7167778 | Electronic device cooling apparatus and method for cooling electronic device with temperature prediction A temperature predicting unit predicts the temperature of an electronic device after a predetermined period, and the speed of temperature variation from the operating state of the load. Based on the results of prediction by the temperature predicting unit, a selecti... | 01/23/2007 |
| 7114913 | Lubricant-cooled gas compressor In a lubricant-cooled gas compressor (10) the temperature of separated lubricant returned to the air-side (11) is monitored by a thermostatically controlled restrictor valve (22) which minimises the flow of returned lubricant when temperature is... | 10/03/2006 |
| 7108193 | Integration of a thermostat in the recycling system of the vehicular exhaust gas recirculation (EGR) system The invention relates to the control of the temperature of recirculated exhaust gas and oil, by means of the placement of a thermostat between an oil/water heat exchanger and a water/exhaust gas exchanger. The thermostat comprises a multifaceted casing (1), i... | 09/19/2006 |
| 7096831 | Thermostatic valve for a cooling system of an internal combustion engine In a thermostatic valve for a cooling system of an internal combustion engine with an inlet connection, a first outlet connection and a second outlet connection, and first, second and third valve elements for closing and opening the inlet and first and second outlet... | 08/29/2006 |
| 7086241 | Hydraulic power unit for a refrigeration system A hydraulic power unit for a refrigeration system. According to one aspect of the invention, the power unit is provided for driving the refrigeration system of a truck having an engine for propelling the truck and a power take off from the engine. The refrigeration ... | 08/08/2006 |
| 7082903 | Temperature responsive flow control valves for engine cooling systems An engine cooling system has a primary cooling circuit with a pump to circulate liquid coolant through an engine, the coolant being returned to the pump via a radiator and a bypass arranged in parallel. A temperature-responsive control valve controls flow as between... | 08/01/2006 |
| 7073576 | System for the circulation of the coolant of the oil cooler for the automatic transmission of a motor vehicle Circulation system for the coolant in an oil cooler (13) adapted to cool down the oil of the automatic transmission (2) of a motor vehicle in which the drain conduit (15) for the coolant from the oil cooler (13) of the transmission (2 | 07/11/2006 |
| 7070116 | Constructive arrangement applied to an integrated thermostatic valve device A constructive arrangement applied to an integrated thermostatic valve device has a tubular hollowed-out body (1), which allows it to have a chamber (2) and a flange (3) with holes (4) for screws for fixing to the engine housing and havin... | 07/04/2006 |
| 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 |
| 7063048 | Arrangement for integration of a double thermostat in an engine A cover is used to integrate two thermostat valves in a compact set, wherein the cover has a hollowed body (1) projected from a flange (2) converging to a center part in which a vertical tubular element (5) is fitted to interconnect with a radia... | 06/20/2006 |
| 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 |
| 7021331 | Check valve with locked restraint mechanism Check valves including components having a straightforward and simple design allowing the components to be scaled down to an extremely small size without losing functionality or performance of the check valve. ... | 04/04/2006 |
| 7004453 | Pendulum valve with a full range of position control Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position ... | 02/28/2006 |
| 6994784 | Liquid filter/heat exchanger unit A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of ... | 02/07/2006 |
| 6966278 | Electronically controlled thermostat An electronically controlled thermostat enabling stable valve body actuation, preventing overshooting and hunting, and with reduced size and simplified construction. The thermostat can execute arbitrary variable control of cooling water temperature and includes a th... | 11/22/2005 |
| 6962295 | Thermostat for an automatic hydraulic transmission system The present invention has a by-pass thermostat assembly (1) that is connected to the oil circulation system of an automatic hydraulic transmission system of an internal combustion or other engine. The assembly includes a block or a case (4) with an inn... | 11/08/2005 |
| 6942221 | Seal having gaps A sealed flange includes a seal (203 or 901) and a flange (201 or 801). The outer perimeter of a flange (201 or 801) has tabs (303 or 803) interspaced with notches (601 or 805). The outer perimete... | 09/13/2005 |
| 6935569 | 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 and thereby causes transmission fluid to flow through an oil fluid cooler. A cast valve hous... | 08/30/2005 |
| 6932232 | Radiator cap with pressure valve A pressure valve including a valve seat 3 is mounted on a cap body 8 side. The cap body 8 and a filler neck 6 are fastened together in an anti-disengagement manner by use of locking means. ... | 08/23/2005 |
| 6928860 | Heat-transfer-inhibiting motor and rotor Heat-inhibition respecting a motor is provided in connection with a heated instrument through a stand-off mount system and/or a heat-inhibiting rotor/stirrer. The instrument can be a hot bath containing instrument where stirring of the contents of the bath can be ca... | 08/16/2005 |
| 6929189 | Thermostat device and temperature control method and system for engine coolant A thermostat configured to control engine coolant temperature, a coolant temperature control method and system, includes a thermoelement, arranged to open a main valve upon reaching a predetermined temperature; a heating element arranged, based on an output signal f... | 08/16/2005 |
| 6915958 | Linear proportional valve A valve assembly for automatically and proportionally controlling the flow of coolant fluid between an engine and a radiator for cooling the fluid heated by the engine in response to changes in the fluid temperature within a predetermined temperature range. The valv... | 07/12/2005 |
