IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0700343
(2010-02-04)
|
등록번호 |
US-8539915
(2013-09-24)
|
우선권정보 |
DE-10 2009 007 695 (2009-02-05) |
발명자
/ 주소 |
- Baumann, Michael
- Beez, Günther
- Conrad, Holger
- Gebhardt, Oliver
- Knauβ, Rüdiger
|
출원인 / 주소 |
|
대리인 / 주소 |
Rader, Fishman & Grauer PLLC
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
A cooling system for motor vehicle with a cooling circuit, which includes one or more internal combustion engines, a pump and a cooling device, is described herein. The cooling system includes a short circuit line, which bypasses the pump by connecting a pressure side of the pump to an intake side o
A cooling system for motor vehicle with a cooling circuit, which includes one or more internal combustion engines, a pump and a cooling device, is described herein. The cooling system includes a short circuit line, which bypasses the pump by connecting a pressure side of the pump to an intake side of the pump. The cooling system further includes a valve device in the region of the short circuit line, and the valve device is switched between two or more positions. When the valve is in the first position, the entire coolant flow is directed through the short circuit line. Further, when the valve is in the second position, the entire coolant flow is directed through the internal combustion engine and not through the short circuit line.
대표청구항
▼
1. A motor vehicle cooling system, comprising: a cooling circuit, wherein the cooling circuit includes at least one internal combustion engine, one pump and one cooling device; a short circuit line, which bypasses the pump, wherein the short circuit line connects a pressure side of the pump to an in
1. A motor vehicle cooling system, comprising: a cooling circuit, wherein the cooling circuit includes at least one internal combustion engine, one pump and one cooling device; a short circuit line, which bypasses the pump, wherein the short circuit line connects a pressure side of the pump to an intake side of the pump;a valve device, which is switched between at least a first position and second position is provided in the region of the short circuit line, wherein switching the valve device to the first position directs at least most of a coolant flow through the short circuit line, and when switching the valve device to the second position the entire coolant flow is directed through the internal combustion engine bypassing the short circuit line;wherein the valve device includes a valve tappet and two valve discs spaced apart in an axial direction on the valve tappet for directing the coolant flow;wherein the valve discs are disposed on opposing ends of the valve tappet; anda spring disposed between one of the valve discs and a valve seat ring for preloading the other of the valve discs into a closed position. 2. Cooling system according to claim 1, wherein a bypass line is provided which bypasses the cooling device. 3. Cooling system according to claim 2, wherein the short circuit line branches off from the cooling circuit downstream of the pump and opens into the cooling circuit upstream of the pump. 4. Cooling system according to claim 2, wherein the valve device is a throttle device. 5. Cooling system according to claim 2, wherein the valve device is actuated by at least one of pneumatically and hydraulically. 6. Cooling system according to claim 2, wherein a thermostat with a thermostat valve device, is arranged in a junction region of the bypass line of the cooling circuit. 7. Cooling system according to claim 1 wherein the short circuit line branches off from the cooling circuit downstream of the pump and opens into the cooling circuit upstream of the pump. 8. Cooling system according to claim 7, wherein the valve device is a throttle device. 9. Cooling system according to claim 7, wherein the valve device is actuated by at least one of pneumatically and hydraulically. 10. Cooling system according to claim 7, wherein a thermostat with a thermostat valve device, is arranged in a junction region of a bypass line of the cooling circuit. 11. Cooling system according to claim 1 wherein the valve device is a throttle device. 12. Cooling system according to claim 11, wherein the valve device is actuated by at least one of pneumatically and hydraulically. 13. Cooling system according to claim 11, wherein a thermostat with a thermostat valve device, is arranged in a junction region of a bypass line of the cooling circuit. 14. Cooling system according to claim 1, wherein the valve device is actuated by at least one of pneumatically and hydraulically. 15. Cooling system according to claim 14, wherein a thermostat with a thermostat valve device, is arranged in a junction region of a bypass line of the cooling circuit. 16. Cooling system according to claim 1, wherein a thermostat with a valve device, is arranged in a junction region of a bypass line of the cooling circuit. 17. Cooling system according to claim 1, wherein the valve device is an annular slide valve. 18. Cooling system according to claim 1, wherein the valve device remains in its second position in an inactive state. 19. Cooling system according to claim 1, wherein the valve device is a proportional valve. 20. Cooling system according to claim 1, wherein the valve device is arranged upstream of the pump. 21. Cooling system according to claim 1, wherein one of the valve discs is configured in one-piece with the valve tappet, and the other of the valve discs is a separate component secured on the valve tappet in an axial direction by a securing element. 22. Cooling system according to claim 1, wherein the two valve discs are disposed on one end portion of the valve tappet and bear closely against a respective one of two valve seats when the valve discs are moved to a respective one of the first and second positions. 23. Cooling system according to claim 1, wherein the spring preloads the other of the valve discs against the valve seat ring.
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