System and method of transferring heat between transmission fluid and coolant in oil pan
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16H-057/04
출원번호
US-0296493
(2014-06-05)
등록번호
US-9976645
(2018-05-22)
발명자
/ 주소
Gooden, James Thomas
Stranges, Antonio
출원인 / 주소
Ford Global Technologies, LLC
대리인 / 주소
Diederiks & Whitelaw, PLC
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A system for transferring heat between a transmission fluid and a coolant in a transmission, such as in a motor vehicle, includes a transmission pump for circulating the transmission fluid and an oil pan having a heat exchanger. The heat exchanger has at least one transmission fluid layer and at lea
A system for transferring heat between a transmission fluid and a coolant in a transmission, such as in a motor vehicle, includes a transmission pump for circulating the transmission fluid and an oil pan having a heat exchanger. The heat exchanger has at least one transmission fluid layer and at least one coolant layer. The heat exchanger is located on a high-pressure side of the transmission pump and is configured to receive a pressurized flow of the transmission fluid from the transmission pump. Preferably, the heat exchanger receives the pressurized flow directly from either the transmission pump or a hydraulic control system.
대표청구항▼
1. A motor vehicle comprising: an engine;a transmission; anda system for transferring heat between a transmission fluid and a coolant including: a transmission pump configured to circulate the transmission fluid; andan oil pan including a heat exchanger, the heat exchanger having at least one transm
1. A motor vehicle comprising: an engine;a transmission; anda system for transferring heat between a transmission fluid and a coolant including: a transmission pump configured to circulate the transmission fluid; andan oil pan including a heat exchanger, the heat exchanger having at least one transmission fluid layer and at least one coolant layer, whereby heat is transferred between the transmission fluid and the coolant, wherein the heat exchanger is located on a high-pressure side of the transmission pump and is configured to receive a pressurized flow of the transmission fluid from the transmission pump. 2. The motor vehicle of claim 1, further comprising a hydraulic control system, wherein the heat exchanger is configured to receive the pressurized flow of the transmission fluid directly from the transmission pump or the hydraulic control system. 3. The motor vehicle of claim 1, wherein: the oil pan includes four sidewalls;the heat exchanger has an upper surface; anda transmission sump is defined by the four sidewalls and the upper surface. 4. The motor vehicle of claim 1, wherein the heat exchanger is configured so that transmission fluid flows in a first direction in the at least one transmission fluid layer and the coolant flows in a second direction, opposite the first direction, in the at least one coolant layer. 5. The motor vehicle of claim 1, further comprising a divider such that the transmission fluid flows in a U-shaped path in the at least one transmission fluid layer or the coolant flows in a U-shaped path in the at least one coolant layer. 6. The motor vehicle of claim 1, wherein the heat exchanger has at least two transmission fluid layers. 7. The motor vehicle of claim 6, wherein a layer of the at least one coolant layer is located between the at least two transmission fluid layers. 8. A system for transferring heat between a transmission fluid and a coolant comprising: a transmission pump configured to circulate the transmission fluid; andan oil pan including a heat exchanger, the heat exchanger having at least one transmission fluid layer and at least one coolant layer, whereby heat is transferred between the transmission fluid and the coolant, wherein the heat exchanger is located on a high-pressure side of the transmission pump and is configured to receive a pressurized flow of the transmission fluid from the transmission pump. 9. The system of claim 8, wherein the heat exchanger is configured to receive the pressurized flow of the transmission fluid directly from the transmission pump or a hydraulic control system. 10. The system of claim 8, wherein: the oil pan includes four sidewalls;the heat exchanger has an upper surface; anda transmission sump is defined by the four sidewalls and the upper surface. 11. The system of claim 8, wherein the heat exchanger is configured so that the transmission fluid flows in a first direction in the at least one transmission fluid layer and the coolant flows in a second direction, opposite the first direction, in the at least one coolant layer. 12. The system of claim 8, further comprising a divider such that the transmission fluid flows in a U-shaped path in the at least one transmission fluid layer or the coolant flows in a U-shaped path in the at least one coolant layer. 13. The system of claim 8, wherein the heat exchanger has at least two transmission fluid layers. 14. The system of claim 13, wherein a layer of the at least one coolant layer is located between the at least two transmission fluid layers. 15. A method of transferring heat between a transmission fluid and a coolant in an oil pan including a heat exchanger located on a high-pressure side of a transmission pump and having at least one transmission fluid layer and at least one coolant layer, the method comprising: circulating the transmission fluid with the transmission pump; andreceiving, with the heat exchanger, a pressurized flow of the transmission fluid from the transmission pump. 16. The method of claim 15, wherein receiving the pressurized flow of the transmission fluid from the transmission pump includes receiving the pressurized flow directly from the transmission pump or a hydraulic control system. 17. The method of claim 15, further comprising: causing the transmission fluid to flow in a first direction in the at least one transmission fluid layer; andcausing the coolant to flow in a second direction, opposite the first direction, in the at least one coolant layer. 18. The method of claim 15, further comprising: causing the transmission fluid to flow in a U-shaped path in the at least one transmission fluid layer; orcausing the coolant to flow in a U-shaped path in the at least one coolant layer. 19. The method of claim 15, wherein the heat exchanger has at least two transmission fluid layers. 20. The method of claim 19, wherein a layer of the at least one coolant layer is located between the at least two transmission fluid layers.
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이 특허에 인용된 특허 (11)
Hofbauer Peter (Wolfsburg DEX) Willmann Michael (Wolfsburg DEX) Wundrak Egon (Wolfsburg DEX), Internal combustion engine for an automobile with a divided oil pan.
Fulton Clarence W. (Oakville CAX) Haynes Dan E. (Oakville MI CAX) Rhodes Eugene E. (Belleville MI) Swenson Williard E. (Bloomfield MI), Internal combustion engine oil pan with oil cooler.
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