An engine cooling system may include a housing forming an enclosed duct having an air intake opening, at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger, at least one radiator circulating coolant for t
An engine cooling system may include a housing forming an enclosed duct having an air intake opening, at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger, at least one radiator circulating coolant for the engine, at least one radiator positioned in the duct such that ambient air entering the air intake opening contacts at least one radiator, and the duct configured to include an exhaust opening positioned downstream of the at least one heat exchanger and the at least one radiator, such that ambient air flows in the air intake opening, through the duct to contact the heat exchanger and the radiator, and exits the duct through the exhaust opening.
대표청구항▼
1. An engine cooling system comprising: a housing forming an enclosed duct having an air intake opening;at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger;at least one radiator circulating coolant for
1. An engine cooling system comprising: a housing forming an enclosed duct having an air intake opening;at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger;at least one radiator circulating coolant for the engine, the at least one radiator positioned in the duct such that ambient air entering the air intake opening contacts the at least one radiator;the duct having an exhaust opening positioned downstream of the at least one heat exchanger and the at least one radiator, such that ambient air flows into the air intake opening, flows through the duct to contact the at least one heat exchanger and the at least one radiator, and exits the duct through the exhaust opening;the exhaust opening having a passive flow duct segment and a motive flow duct segment;wherein the passive flow duct segment has a passive flow exhaust opening and a passive flow exhaust door for modulating air flow through the passive flow duct segment;wherein the motive flow duct segment has a motive flow exhaust opening, a motive flow exhaust door, and a blower, wherein the motive flow exhaust door modulates air flow through the motive flow duct segment and the blower moves air through the motive flow duct segment; anda controller that modulates the passive flow exhaust door, the motive flow exhaust door, and the blower such that the controller modulates the motive flow exhaust door to a closed position and the passive flow exhaust door to an open position when the blower is not activated. 2. The engine cooling system of claim 1, wherein the controller modulates the motive flow exhaust door to an open position when the control modulates the passive flow exhaust door to a closed position and the blower is activated. 3. The engine cooling system of claim 2, wherein the controller modulates the passive flow exhaust door closed, modulates the motive flow exhaust door open, and activates the blower when a relative velocity of air flow through the duct is insufficient to provide a desired cooling effect on the at least one heat exchanger and the at least one radiator. 4. The engine cooling system of claim 1, wherein the air intake opening includes a positionable intake door for modulating air flow through the air intake opening. 5. The engine cooling system of claim 4, wherein the controller actuates the intake door. 6. The engine cooling system of claim 1, further comprising a combustion air intake line connected to the engine; and wherein the at least one heat exchanger is at least one intercooler connected to condition combustion air in the combustion air intake line. 7. The engine cooling system of claim 6, wherein the combustion air intake line includes at least one bypass line connected to divert combustion air around the at least one intercooler, and at least one bypass valve connected to modulate an amount of combustion air diverted around the at least one intercooler, and an amount of combustion air flowing through the at least one intercooler. 8. The engine cooling system of claim 7, further comprising at least one sensor configured to determine a temperature of combustion air in the combustion air intake line; and in response to the temperature signal, the controller actuates the at least one bypass valve to modulate the amount of combustion air diverted around the at least one intercooler and the amount of combustion air flowing through the at least one intercooler to provide combustion air to the engine within a preferred temperature range. 9. A vehicle comprising: an internal combustion engine;a compartment having an enclosed duct;the duct having an air intake opening to ambient air and an exhaust opening to ambient air aft of the air intake opening;at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger;at least one radiator circulating coolant for the engine, the at least one radiator positioned within the duct such that ambient air entering the air intake opening contacts the at least one radiator;wherein the exhaust opening is positioned downstream of the at least one heat exchanger and the at least one radiator, such that ambient air flows in the air intake opening, flows through the duct to contact the at least one heat exchanger and the at least one radiator, and exits the duct through the exhaust opening;the exhaust opening having a passive flow duct segment and a motive flow duct segment;wherein the passive flow duct segment has a passive flow exhaust opening and a passive flow exhaust door, wherein the passive flow exhaust door modulates air flow through the passive flow duct segment;wherein the motive flow duct segment has a motive flow exhaust opening, a motive flow exhaust door, and a blower, wherein the motive flow exhaust door modulates air flow through the motive flow duct segment and the blower moves air through the motive flow duct segment;a controller that modulates the passive flow exhaust door, the motive flow exhaust door, and the blower such that the controller modulates the motive flow exhaust door to a closed position and the passive flow exhaust door to an open position when the blower is not activated; andwherein the vehicle is selected from an aircraft, a land vehicle, an amphibious vehicle a marine vehicle, and a submarine vehicle. 10. The vehicle of claim 9, wherein the intake opening includes a positionable intake door, and wherein the controller actuates the intake door to modulate air flow through the duct. 11. The vehicle of claim 10, further comprising a combustion air intake line connected to the engine; and wherein the at least one heat exchanger includes at least one intercooler connected to condition combustion air in the combustion air intake line, the combustion air intake line includes at least one bypass line connected to divert combustion air around the at least one intercooler, and at least one bypass valve connected to modulate an amount of combustion air diverted around the at least one intercooler and an amount of combustion air flowing through the at least one intercooler. 12. A method for cooling an engine having a housing forming an enclosed duct having an air intake opening, a passive flow exhaust opening, and a motive flow exhaust opening, the method comprising: placing at least one heat exchanger within the duct;connecting the at least one heat exchanger to condition combustion air in a combustion air intake line to the engine;placing at least one radiator configured to circulate coolant for the engine within the duct;modulating an amount of ambient air flowing through the duct to maintain temperatures of the combustion air and the coolant within preferred temperature ranges;wherein modulating an amount of ambient air flowing through the duct includes activating a blower to move ambient air through the duct, positioning an air intake door at the air intake opening, positioning a passive flow exhaust door in the passive flow exhaust opening, and positioning a motive flow exhaust door in the motive flow exhaust opening; andwherein modulating an amount of ambient air flowing through the duct further positioning the passive flow exhaust door in an open position and positioning the motive flow exhaust door in a closed position when the blower is not activated. 13. An engine cooling system for a vehicle comprising: a housing forming an enclosed duct having an air intake opening, the air intake opening including a positionable intake door configured to modulate air flow through the duct;at least one heat exchanger positioned within the duct such that ambient air entering the air intake opening contacts the at least one heat exchanger;at least one radiator circulating coolant for the engine, the at least one radiator positioned in the duct such that ambient air entering the air intake opening contacts the at least one radiator;wherein the duct includes an exhaust opening positioned downstream of the at least one heat exchanger and the at least one radiator, such that ambient air flows in the air intake opening, flows through the duct to contact the at least one heat exchanger and the at least one radiator, and exits the duct through the exhaust opening, the exhaust opening including a passive flow exhaust opening having a positionable passive flow exhaust door configured to modulate air flow through the duct, a motive flow exhaust opening having a positionable motive flow exhaust door configured to modulate air flow through the duct, the motive flow exhaust opening including a blower configured to move air through the duct to the exhaust opening; anda controller for modulating one or more of the passive flow exhaust door, the motive flow exhaust door, the blower, and the intake door, the controller modulating the passive flow exhaust door to an open configuration and modulate the motive flow exhaust door to a closed configuration when a vehicle associated with the engine is in motion, and modulating the motive flow exhaust door to an open configuration and the passive flow exhaust door to a closed configuration when the vehicle associated with the engine is not in motion.
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이 특허에 인용된 특허 (6)
Brutscher,Norbert; Haas,Joachim, Air conditioning system.
Ritter Bernhard (Pforzheim-Eutingen DEX) Burst Hermann (Rutesheim DEX) Schempp Ulrich (Tiefenbronn DEX), Cooling air flap and blower control for motor vehicles.
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