Abstract: A linear solenoid for an EGR valve is presented in three alternatives in a constructive way, i.e., with manufactured tube carcass or casing, carcass or casing with deep print and with conformed cold carcass or casing.

Abstract: 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), in which there is a tubular portion (2) having access to a chamber (7); and, at the bottom of the chamber (7), there is a smaller diameter by-pass passage (11), through which the chamber is linked to a connection duct (12) having access to the output channel (13) that is projected along the tubular projection (14), wherein the thermostatic valve is integrated to the casing (1) by being placed inside the chamber (7), along the tubular portion (2).

Abstract: 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 having a central opening (5), which determines the mouth of the chamber, alongside which there is a ring-shaped groove (6) for housing a sealing ring (7). An internal projection in the shape of an inverted “Y” (1) has a leg which is cross-shaped (11) and which extends to the level of the mouth of the body, and having on the point of the intersection of the converging part of the “Y” a fixing hole (12) for centralizing the thermostatic valve when it is being assembled. An upside down plate (3) is fixed to the end of the leg of the “Y”, between which and the converging parts of the “Y” there is a pressure spring. A pressed metal disc (17) supports the working element (16) of the thermostatic valve, with a central hole through with the terminal (18) moves.

Abstract: 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 radiator via a hose. In the interior of the hollowed body (1), there are two adjacent galleries (7) shaped with independent end entrances (8 and 9) that are open in the base of the flange (2), and which share a single exit (10) defined by the tubular element (5). The mouthpieces of the two independent entrances are surrounded by grooves (11) that receive sealing rings (12).

Abstract: 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 radiator via a hose. In the interior of the hollowed body (1), there are two adjacent galleries (7) shaped with independent end entrances (8 and 9) that are open in the base of the flange (2), and which share a single exit (10) defined by the tubular element (5). The mouthpieces of the two independent entrances are surrounded by grooves (11) that receive sealing rings (12).

Abstract: 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 inner housing (5) to locate a thermostatic valve within a casing (7) that acts as a piston sliding along the housing, and being biased by a spring. The housing (5) is covered by an end plug (11).

Abstract: 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), in which there is a tubular portion (2) having access to a chamber (7); and, at the bottom of the chamber (7), there is a smaller diameter by-pass passage (11), through which the chamber is linked to a connection duct (12) having access to the output channel (13) that is projected along the tubular projection (14), wherein the thermostatic valve is integrated to the casing (1) by being placed inside the chamber (7), along the tubular portion (2).

Abstract: 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 inner housing (5) to locate a thermostatic valve within a casing (7) that acts as a piston sliding along the housing, and being biased by a spring. The housing (5) is covered by an end plug (11).

Abstract: A gas deflector valve is incorporated with an engine cooling system, and located before an inlet to a heat exchanger used to cool hot gas from the engine as part of an EGR system. The gas diverter valve conducts the gas from the engine to the heat exchanger of the EGR system when its temperature is above normal and its cooling is required, or diverts the gas to recycle the gas directly to the engine, without it passing through the heat exchanger when the gas temperature is below the minimum limits for cooling. The gas deflector valve is actuated by a pneumatic actuator responsive to an electric signal from the engine's electronic control center.

Abstract: A deflector by-pass valve for engine exhaust gas, used with an exhaust gas recirculation system on an automobile, is integrated with the cooling system, and located before the inlet for the engine's hot gas to the water/gas heat exchanger of the EGR system. The deflector by-pass valve is activated by a vacuum/pressure pneumatic system and actuated by an electric signal from the engine's electronic control center. Its main purpose is to conduct the gas through the heat exchanger/gas cooler when cooling is required, or to recycle the gas directly to the engine, without it passing through the heat exchanger when the gas is below the minimum limit for cooling.

Abstract: Used in the automobile industry, and more specifically in the driver's cab heating system, the valve is installed between the link between the engine and the radiator and the cab's heating system. It consists of a housing unit (1) which has a circular compartment (2) which houses the rotor (25) which has a side wall which protrudes a few millimeters (28) and has attached to it, by means of an “8”-shaped lever (36), a sealing unit, consisting of an O ring (33) and its support (34). This sealing unit and the side wall (28) are responsible for blocking off the flow of liquid to the cab's heating system and the by-pass, respectively. The previously mentioned compartment has a tubular inlet (3) and outlet (5) and is attached by a linking channel (14) to the adjacent cavity (10), to which is attached an outlet tube (11) and a return opening (13) and the rotor (25) is operated manually by means of an external lever (42).

Abstract: A deflector by-pass valve for engine exhaust gas, used with an exhaust gas recirculation system on an automobile, is integrated with the cooling system, and located before the inlet for the engine's hot gas to the water/gas heat exchanger of the EGR system. The deflector by-pass valve is activated by a vacuum/pressure pneumatic system and actuated by an electric signal from the engine's electronic control center. Its main purpose is to conduct the gas through the heat exchanger/gas cooler when cooling is required, or to recycle the gas directly to the engine, without it passing through the heat exchanger when the gas is below the minimum limit for cooling.

Abstract: A gas deflector valve is incorporated with an engine cooling system, and located before an inlet to a heat exchanger used to cool hot gas from the engine as part of an EGR system. The gas diverter valve conducts the gas from the engine to the heat exchanger of the EGR system when its temperature is above normal and its cooling is required, or diverts the gas to recycle the gas directly to the engine, without it passing through the heat exchanger when the gas temperature is below the minimum limits for cooling. The gas deflector valve is actuated by a pneumatic actuator responsive to an electric signal from the engine's electronic control center.

Abstract: 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 screws, and a central opening (4) that determines the chamber mouth molded to the cavity of the body. There are two opposing lengthwise projections (6), which have a groove (7) near the chamber mouth, and another groove (8) near the mouth of the body (1), with the ends of a curved plate (9) fitted into the grooves (8). In the grooves (7) are fitted the ends of another plate (11). A sheet metal disk (12) is inserted into the internal rim of the mouth (4) of the chamber (5), having fixed to the end of the thermostatic valve, a washer (14) for supporting the disk (15) that has a hole where the terminal of the aforementioned thermostatic valve is housed and moves.

Abstract: 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 screws, and a central opening (4) that determines the chamber mouth molded to the cavity of the body. There are two opposing lengthwise projections (6), which have a groove (7) near the chamber mouth, and another groove (8) near the mouth of the body (1), with the ends of a curved plate (9) fitted into the grooves (8). In the grooves (7) are fitted the ends of another plate (11). A sheet metal disk (12) is inserted into the internal rim of the mouth (4) of the chamber (5), having fixed to the end of the thermostatic valve, a washer (14) for supporting the disk (15) that has a hole where the terminal of the aforementioned thermostatic valve is housed and moves.

Abstract: 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 having a central opening (5), which determines the mouth of the chamber, alongside which there is a ring-shaped groove (6) for housing a sealing ring (7). An internal projection in the shape of an inverted “Y” (1) has a leg which is cross-shaped (11) and which extends to the level of the mouth of the body, and having on the point of the intersection of the converging part of the “Y” a fixing hole (12) for centralizing the thermostatic valve when it is being assembled. An upside down plate (3) is fixed to the end of the leg of the “Y”, between which and the converging parts of the “Y” there is a pressure spring.

Abstract: A cover/case similar to an already known model or plastic form is used, of the type defined by an inlet conduit (1) with access to the compartment (2) for positioning the thermostatic valve, and having an opening region in which there is configured a coupling flange (4) with holes (5) for fixing screws at the point of linking the radiator hose to the engine.