Cooler arrangement for a drive train in a motor vehicle
AssigneeBehr GmbH & Co.
InventorsGeorg Feldhaus, Eberhard Pantow
Life of this patent
Estimating the term…
Abstract
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).
Claims14
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;
- and
- a 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.
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;
- and
- a 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.
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;
- and
- a 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.
Dependencies are inferred from the claim text.