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8141790 |
Thermal bypass valve with pressure relief capability
A by-pass valve for a heat exchanger circuit that includes a cooler has a chamber and ports for flow of fluid into and out of this chamber. A thermally sensitive actuator is mounted in the chamber...
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8109242 |
Multi-thermostat engine cooling system
A cooling system for an engine is disclosed. The cooling system may have a pump driven by the engine to pressurize coolant, a single heat exchanger configured to cool pressurized coolant, and an...
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8066197 |
Failsafe thermal bypass valve for cooling system
A thermal bypass valve for a heat exchanger circuit includes a valve housing forming a valve chamber including a bypass passage and ports for the flow of heat exchange fluid into and out of the...
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8057687 |
Liquid filter heat exchanger unit
A liquid filter heat exchanger unit has a heat exchanger having an inlet through which a liquid is supplied to the heat exchanger and a drain through which the liquid exits after having passed...
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8042499 |
Coolant circulation circuit for engine
A coolant circulation circuit for an engine includes a first coolant line through which coolant heated in an engine and circulated in a radiator passes, a second coolant line through which coolant...
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8042745 |
Thermally responsive valve for regulating engine coolant flow
A thermally responsive valve is installed in a coolant circuit of an engine 1, and is provided with an operating member 7 containing a thermal expansion element 15 which expands and contracts...
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8020613 |
Heat transfer controlling mechanism and fuel cell system having the heat transfer controlling mechanism
A heat transfer controlling mechanism and a fuel cell system, which allow working fluid to flow in a predetermined direction in a loop-shaped flow path without a back flow, having a simple...
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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...
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7987822 |
Electromechanical failsafe thermostat
An apparatus for controlling a temperature for an engine by controlling a flow of a liquid engine coolant through a coolant conduit, the apparatus including a thermostat having a temperature...
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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...
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7775268 |
Vehicle cooling system
A vehicle cooling system comprises a vehicle unit, a heat exchanger, a cooling fan, a coolant pump, a three-way valve, and a control unit. The heat exchanger is arranged in the coolant route to...
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7770547 |
Regulating device of the water outlet chamber type
A water outlet chamber-type regulating device includes a chamber component having an inlet and an outlet for a fluid to be regulated, and including a member for regulating the flow, the member...
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7735546 |
Heat exchanger bypass valve having temperature insensitive pressure bypass function
A by-pass valve for a heat exchanger circuit includes a chamber, a fixed surface secured against movement relative to the chamber, a by-pass port including a valve seat located in the chamber, an...
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7730855 |
Coolant controller and method for its manufacture
A coolant controller for a coolant circuit of an internal combustion engine has a housing and a thermostat valve arranged therein. The thermostat valve has at least one valve closing member...
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7721973 |
Valve
A valve comprising a body and a plug is disclosed. The body has a pair of ports and a tubular structure having a side wall and an open end and defining interiorly a first subchamber communicating...
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7665513 |
Heat exchanger structure of automatic transmission
A heat exchanger structure of an automatic transmission stabilizing a temperature of oil is provided. A heat exchanger structure of an automatic transmission includes an automatic transmission, a...
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7540431 |
By-pass valve for heat exchanger
A valve that includes a housing defining first and second bores having a central axis, and a peripheral valve seat. An actuator is located in the first bore and has a reciprocating seal disposed...
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7506664 |
Automotive coolant control valve
A flow control valve for selectively routing a coolant in a dual-zone heater system is provided. The flow control valve includes a housing and a flow control device. The housing includes an inlet...
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7490581 |
Flow control thermostat for internal combustion engines and method of use of same
A thermostat for an internal combustion engine. The thermostat includes a tube type bypass valve member; a spring to keep said valve member in a closed position and a temperature sensitive actuator...
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7490662 |
Integrated thermal bypass valve
A heat exchanger including an inlet port, an outlet port, a header, a plurality of cooling tubes, and a thermal bypass valve integrated therein. The thermal bypass valve is located in the header...
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7445161 |
Thermostat
The object of the present invention is to obtain a thermostat device capable of improving the workability and assemblability, reducing costs, and downsizing the entire device with a minimum number...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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 perimeter...
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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...
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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...
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6880496 |
Water-cooled multi-cylinder internal-combustion engine
A water-cooled multi-cylinder internal-combustion engine having a crankcase and cooling ducts which surround the cylinders and which are acted upon by coolant by way of a pump in a small cooling...
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6867395 |
Variable flow thermostat and method for variably controlling engine temperature
A variable flow thermostat, as applied to an internal combustion engine, provides a means for allowing the flow of coolant fluid from the engine block to the radiator to vary in response to the...
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6857576 |
Control method of an electronic thermostat valve
The present invention relates to a method of controlling an electronic thermostat valve that is based on the driving conditions. The method includes using controlling parameters memorized in an ECU...
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6820817 |
Adjustable electronic thermostat valve
The present invention relates to an adjustable electronic thermostat valve comprising an actuating means provided with a rod for stroking a chamber of an expendable thermal element, so that...
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6799631 |
Heat exchanger with integrated flow control valve
A U flow radiator 10 with a header tank 12 split into inlet and outlet sides I and O by a lengthwise divider wall 18 has a coolant inlet consisting of a cylindrical pipe 22. A hollow cylindrical...
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6796375 |
Cooling circuit
A coolant circuit (10) includes at least one heat source (12), a radiator (14), and a bypass line (22), which connects a radiator inlet (18) to a radiator return (20) and whose junction (24) has a...
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6772959 |
Constructive arrangement applied to an integrated thermostatic valve attached to its own housing
A constructive arrangement applied to an integrated thermostatic valve attached to its own housing has a hollow tubular-shaped body (1) projecting from a flange (2) with holes (3) for fixing...
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6772958 |
Thermal flow control valve
A thermal flow control valve uses a cylindrical valve sleeve in a stepped bore to regulate fluid flow between an inlet and an outlet. A wax filled actuator is coupled to the valve sleeve to move...
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6761321 |
Thermostat device
An object of the present invention is to provide a thermostat device which enables a valve body to operate with stability, which can prevent overshoot and hunting, and in which the size of the...
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6742716 |
Thermostat
A thermostat comprises a valve and an electric valve actuator to move the valve against a valve seat. The thermostat comprises a wax motor responsive to temperature to move the valve away from the...
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6695217 |
Regulating valve
A regulating valve for a heat-transferring medium has a valve member controllable primarily by an electrical actuating member, but in the event of failure of the electrical actuating member, a...
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6679431 |
Thermostat housing with integral valve
A plastic thermostat housing having a vent passage including a valve portion (46), a cap portion (48), and an outlet portion (54), with the cap portion (48) being larger in cross sectional area...
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