Drive component for a motor vehicle, and motor vehicle

Patent metadata

Field	Value
Publication number	US-10808582-B2
Application number	US-201716086925-A
Country	US
Kind code	B2
Filing date	Apr 20, 2017
Priority date	Apr 22, 2016
Publication date	Oct 20, 2020
Grant date	Oct 20, 2020

Abstract

A component for a motor vehicle, with at least one receiving space for structural elements of the drive component, with at least one first wall that delimits the receiving space at least partially, by way of which at least one collecting region for collecting a lubricant for lubricating the structural elements is delimited at least partially, and with at least one second wall, which is arranged on a side of the first wall that faces away from the collecting region, and which is spaced apart from the first wall at least in a partial region, so that, between the walls, an intermediate space that is delimited at least partially by the walls is formed. For setting a heat transfer coefficient between the walls, a liquid can be introduced into the intermediate space and discharged out of the intermediate space.

First claim

The invention claimed is:

1. A drive component for a motor vehicle, comprising:
at least one receiving space for structural elements of the drive component, with at least one first wall that delimits the receiving space at least partially, by way of which at least one collecting region for collecting a lubricant for lubricating the structural elements is delimited at least partially;
at least one second wall, which is arranged on a side of the first wall that faces away from the collecting region and which is spaced apart from the first wall at least in a partial region, so that, between the walls, an intermediate space that is delimited at least partially by the walls is formed, wherein, for setting a heat transfer coefficient between the walls, a liquid can be introduced into the intermediate space and can be discharged out of the intermediate space;
at least one reservoir, which is in fluidic connection with the intermediate space, for taking up the liquid; and
at least one displacement element, which can be moved at least partially into the reservoir in order to thereby bring about a displacement of at least a part of the liquid out of the reservoir into the intermediate space,
wherein both the intermediate space and the reservoir are separated from both the receiving space and the collecting region by the first wall.

2. The drive component according to claim 1 , wherein at least one actuating element is provided, the form of which and/or the volume of which can be changed as a consequence of a change in temperature of the actuating element, whereby the movement of the displacement element into the reservoir can be brought about.

3. The drive component according to claim 2 , wherein the actuating element is formed as an expansion element, which, as a consequence of a heating thereof, expands and thereby brings about the movement of the displacement element into the reservoir.

4. The drive component according to claim 2 , wherein the actuating element has a higher thermal expansion coefficient than does the lubricant and/or than does the liquid.

5. The drive component according to claim 2 , wherein the actuating element is formed from wax.

6. The drive component according to claim 1 , wherein the reservoir is arranged at least partially in the vertical direction of the vehicle below the intermediate space.

7. The drive component according to claim 1 , wherein the displacement element, which can be moved at least partially in a first direction into the reservoir, is assigned at least one spring element, which can be tensioned by the movement of the displacement element, for providing a spring force, by means of which the actuating element can be moved in a second direction that is opposite to the first direction.

8. The drive component according to claim 1 , wherein at least one actuator or control element that is independent of energy sources of the rest of the vehicle is provided, by means of which the displacement element can be moved.

9. The drive component according to claim 1 , wherein the drive component is designed as a transmission or as an axle drive.

Assignees

• Audi Ag

Inventors

• Graf Philip
• Kopp Andreas

Classifications

• F03G7/06113

  the fluids subjected to phase change · CPC title

• F01M5/00

  Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P11/08); Lubrication means facilitating engine starting · CPC title

• F16H57/04

  Features relating to lubrication or cooling {or heating} (control of lubrication or cooling in hydrostatic gearing F16H61/4165) · CPC title

• F16H57/0413

  Controlled cooling or heating of lubricant; Temperature control therefor · CPC title

• F01M2011/0045

  for controlling the oil temperature · CPC title