Cooler arrangement for a drive train in a motor vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02F-001/14
F01P-001/06
F01P-005/10
F01P-003/20
F01P-007/00
F01P-007/02
출원번호
US-0525594
(2008-01-31)
등록번호
US-8555826
(2013-10-15)
우선권정보
DE-10 2007 005 391 (2007-02-03)
국제출원번호
PCT/EP2008/000751
(2008-01-31)
§371/§102 date
20100308
(20100308)
국제공개번호
WO2008/095638
(2008-08-14)
발명자
/ 주소
Feldhaus, Georg
Pantow, Eberhard
출원인 / 주소
Behr GmbH & Co. KG
대리인 / 주소
Bachman & LaPointe, P.C.
인용정보
피인용 횟수 :
5인용 특허 :
17
초록▼
The invention relates to a cooler arrangement for a drive train (21) in a motor vehicle (23). Said cooler arrangement comprises a first coolant circuit (3) with a first coolant cooler (7) as well as a second coolant circuit (5) with a second coolant cooler (9). The invention is characterized in that
The invention relates to a cooler arrangement for a drive train (21) in a motor vehicle (23). Said cooler arrangement comprises a first coolant circuit (3) with a first coolant cooler (7) as well as a second coolant circuit (5) with a second coolant cooler (9). The invention is characterized in that there is a connection between the first coolant circuit (3) and the second coolant circuit (5).
대표청구항▼
1. A cooler arrangement for a drivetrain of a motor vehicle, having a first coolant circuit with a first coolant cooler, and having a second coolant circuit with a second coolant cooler, wherein the first coolant circuit is assigned to an internal combustion engine of the drivetrain, and the second
1. A cooler arrangement for a drivetrain of a motor vehicle, having a first coolant circuit with a first coolant cooler, and having a second coolant circuit with a second coolant cooler, wherein the first coolant circuit is assigned to an internal combustion engine of the drivetrain, and the second coolant circuit is assigned to a unit arrangement which interacts with the internal combustion engine and comprises power electronics and a transmission, wherein a connection is provided between the first coolant circuit and the second coolant circuit, and wherein the connection comprises a first connecting line which is connected between the first and second coolant circuits downstream of the unit arrangement and upstream of the internal combustion engine;a second connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine and upstream of the unit arrangement; anda third connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine, downstream of the power electronics and upstream of the transmission. 2. The cooler arrangement as claimed in claim 1, wherein the cooler arrangement has a valve arrangement which controls the connection. 3. The cooler arrangement as claimed in claim 1, wherein the unit arrangement has an electric motor which interacts with the internal combustion engine, the power electronics control the electric motor, and the transmission interacts with the electric motor and/or with the internal combustion engine. 4. The cooler arrangement as claimed in claim 1, wherein the first coolant circuit has a first regulating valve, with the first regulating valve being arranged upstream of the internal combustion engine and downstream of the first connecting line or downstream of the internal combustion engine and upstream of the first connecting line. 5. The cooler arrangement as claimed in claim 1, wherein the valve arrangement has a second regulating valve which controls the second connecting line. 6. The cooler arrangement as claimed in claim 1, wherein the valve arrangement has a third regulating valve which controls the third connecting line. 7. A method for operating a motor vehicle having a cooler arrangement, wherein a first coolant circuit with a first coolant cooler, and having a second coolant circuit with a second coolant cooler, wherein the first coolant circuit is assigned to an internal combustion engine of the drivetrain, and the second coolant circuit is assigned to a unit arrangement which interacts with the internal combustion engine and comprises power electronics and a transmission, wherein a connection is provided between the first coolant circuit and the second coolant circuit, and wherein the connection comprises a first connecting line which is connected between the first and second coolant circuits downstream of the unit arrangement and upstream of the internal combustion engine;a second connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine and upstream of the unit arrangement; anda third connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine, downstream of the power electronics and upstream of the transmission, comprising the following step:transferring heat between the first coolant circuit and the second coolant circuit. 8. The method as claimed in claim 7, further comprising the following step: transferring the heat from the unit arrangement as a heat source to the internal combustion engine as a heat sink. 9. The method as claimed in claim 7, further comprising the following step: feeding heated coolant from the second coolant circuit into the first coolant circuit via the first connecting line and feeding cooled coolant from the first coolant circuit into the second coolant circuit via the second connecting line. 10. The method as claimed in claim 9, further comprising the following step: blocking the third connecting line by means of the third regulating valve and opening up the second connecting line by means of the second regulating valve. 11. The method as claimed in claim 10, further comprising the following step: transferring heat from the internal combustion engine as a heat source to the transmission of the unit arrangement as a heat sink. 12. The method as claimed in claim 11, further comprising the following step: feeding heated coolant from the first coolant circuit into the second coolant circuit via the third connecting line and feeding cooled coolant from the second coolant circuit into the first coolant circuit via the first connecting line. 13. The method as claimed in claim 12, further comprising the following step: blocking the second connecting line by means of the second regulating valve and opening up the third connecting line by means of the third regulating valve. 14. A motor vehicle with hybrid drive, comprising a cooler arrangement, wherein a first coolant circuit with a first coolant cooler, and having a second coolant circuit with a second coolant cooler, wherein the first coolant circuit is assigned to an internal combustion engine of the drivetrain, and the second coolant circuit is assigned to a unit arrangement which interacts with the internal combustion engine and comprises power electronics and a transmission, wherein a connection is provided between the first coolant circuit and the second coolant circuit, and wherein the connection comprises a first connecting line which is connected between the first and second coolant circuits downstream of the unit arrangement and upstream of the internal combustion engine;a second connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine and upstream of the unit arrangement; anda third connecting line which is connected between the first and second coolant circuits downstream of the internal combustion engine, downstream of the power electronics and upstream of the transmission.
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