[특허]Inlet manifold temperature control system for an internal combustion engine

Westinghouse Air Brake Technologies Corporation

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Inlet manifold temperature control system for an internal combustion engine

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-029/04 F02B-033/00
미국특허분류(USC)	060/599; 123/563
출원번호	US-0411685 (2003-04-11)
발명자 / 주소	Shakenis, Stanley D. Leonard, Philip T. Payne, Randall D.
출원인 / 주소	Westinghouse Air Brake Technologies Corporation
대리인 / 주소	James Ray &
인용정보	피인용 횟수 : 1 인용 특허 : 3

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The turbocharged exit air from a turbocharger flows through an intercooler, and then into an air intake manifold of a diesel engine. The intercooler exchanges heat with a liquid coolant in the intercooler when the coolant is cooler than the charge air, and substantially does not exchange heat with the liquid coolant in the intercooler when the coolant is warmer than the charge air. A controller located on the coolant tubing leading into the intercooler compares the temperature of the charge air to the temperature of the coolant, and at least partially st...

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1. A method for regulating the cooling of a turbocharged engine's intake air wherein said engine has a heat exchanger for transferring heat between a coolant and said turbocharged intake air from a turbocharger comprising the step of restricting but not stopping said coolant to exchange heat with a charge air from said turbocharger when said coolant is hotter than said charge air.2. The method for regulating the cooling of a turbocharged engine's intake air, according to claim 1, including the additional step of determining if the temperature of a coolant for cooling said turbocharged engine air is greater than the temperature of said charge air.3. The method for regulating the cooling of a turbocharged engine's intake air, according to claim 2, including the additional step of sensing the temperature of said charge air entering into said heat exchanger located in an intake air duct, and said coolant entering into said heat exchanger.4. The method for regulating the cooling of a turbocharged engine's intake air, according to claim 3, including the additional steps of:a) placing a first temperature sensing device in an engine's intake air duct upstream of said heat exchanger; and b) placing a second temperature sensing device in a tube holding said coolant, said tube being proximate and upstream of said heat exchanger. 5. The method for regulating the cooling of a turbocharged engine's intake air, according to claim 1, wherein said step of restricting but not stopping said coolant to exchange heat with a charge air from said turbocharger when said coolant is hotter than said charge air comprises the step of partially closing a valve in a coolant supply line.6. A turbocharged engine's intake air temperature regulator comprising:a) a heat exchange chamber for transferring heat between a charge air from said turbocharger and a coolant; b) a first temperature sensor for sensing a temperature of said charge air; c) a second temperature sensor for sensing a temperature of said coolant; and d) a controller that partially closes a valve in a coolant supply line to thereby partially inhibit the flow of said coolant into said heat exchange chamber when said first temperature sensor senses a lower temperature than said second temperature sensor. 7. The turbocharged engine's intake air temperature regulator, according to claim 6, wherein said first temperature sensor is located in said air duct upstream of said heat exchange chamber so as to sense the temperature of said charge air entering said heat exchange chamber.8. The turbocharged engine's intake air temperature regulator, according to claim 7, wherein said second temperature sensor is located in tubing holding said coolant and proximate said heat exchanger so as to sense the temperature of said coolant entering said heat exchange chamber.9. The turbocharged engine's intake air temperature regulator, according to claim 6, wherein said controller is located between two sections of said coolant tubing.10. The turbocharged engine's intake air temperature regulator, according to claim 9, wherein said controller contains said valve.11. A turbocharged engine's intake air temperature regulator means comprising:a) a heat exchange chamber means for transferring heat between a charge air from said turbocharger and a coolant; b) a first temperature sensor means for sensing a temperature of said charge air; c) a second temperature sensor means for sensing a temperature of said coolant; and d) a controller means that partially closes a valve in a coolant supply line to thereby partially inhibit the flow of said coolant into said heat exchange chamber means when said first temperature sensor means senses a lower temperature than said second temperature sensor means. 12. The turbocharged engine's intake air temperature regulator means, according to claim 11, wherein said first temperature sensor means is located in said air duct upstream of said heat exchange chamber means so as to sense the temperature of said charge air entering said heat exchange chamber means.13. The turbocharged engine's intake air temperature regulator means, according to claim 12, wherein said second temperature sensor means is located in tubing holding said coolant and proximate said heat exchanger so as to sense the temperature of said coolant entering said heat exchange chamber means.14. The turbocharged engine's intake air temperature regulator means, according to claim 11, wherein said controller means is located between two sections of said coolant tubing.15. The turbocharged engine's intake air temperature regulator means, according to claim 14, wherein said controller means contains said valve.16. A method for regulating the cooling of a turbocharged engine's intake air wherein said engine has a heat exchanger for transferring heat between a coolant and said turbocharged intake air from a turbocharger comprising the steps of:a) determining if the temperature of a coolant for cooling said turbocharged engine air is greater than the temperature of said charge air comprising the steps of: i) placing a first temperature sensing device in an engine's intake air duct upstream of said heat exchanger; ii) placing a second temperature sensing device in a tube holding said coolant, said tube being proximate and upstream of said heat exchanger; and iii) sensing the temperature of said charge air entering into said heat exchanger located in said intake air duct, and said coolant entering into said heat exchanger; and b) substantially, but not completely, stopping said coolant from exchanging heat with a charge air from said turbocharger when said coolant is hotter than said charge air. 17. A turbocharged engine's intake air temperature regulator comprising:a) a heat exchange chamber for transferring heat between a charge air from said turbocharger and a coolant; b) a first temperature sensor for sensing a temperature of said charge air; c) a second temperature sensor for sensing a temperature of said coolant, said second temperature sensor located in tubing holding said coolant and proximate said heat exchanger so as to sense the temperature of said coolant entering said heat exchange chamber; and d) a controller that at least partially closes a valve in a coolant supply line to thereby at least partially inhibit the flow of said coolant into said heat exchange chamber when said first temperature sensor senses a lower temperature than said second temperature sensor. 18. A turbocharged engine's intake air temperature regulator means comprising:a) a heat exchange chamber means for transferring heat between a charge air from said turbocharger and a coolant; b) a first temperature sensor means for sensing a temperature of said charge air; c) a second temperature sensor means for sensing a temperature of said coolant located in tubing holding said coolant and proximate said heat exchanger so as to sense the temperature of said coolant entering said heat exchange chamber means; and d) a controller means that at least partially closes a valve in a coolant supply line to thereby at least partially inhibit the flow of said coolant into said heat exchange chamber means when said temperature sensor means senses a lower temperature than said second temperature sensor means.

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이 특허를 인용한 특허 피인용횟수: 1

Hedrick,John C.; Fritz,Steven G.. Locomotive engine charge air cooling system and method for cooling the engine. USP2006067059278.

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Inlet manifold temperature control system for an internal combustion engine

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Inlet manifold temperature control system for an internal combustion engine

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