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Shielding plate having a coolant line

A coolant, tube technology, applied in the field of electric drive systems, to achieve the effect of small manufacturing tolerances

Inactive Publication Date: 2014-07-09
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hub drive mechanism has a high integration density, so the heat transfer from the friction brake to the heat-sensitive parts of the electric motor cannot be satisfied by the increased distance between the friction brake and the heat-sensitive parts

Method used

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  • Shielding plate having a coolant line
  • Shielding plate having a coolant line
  • Shielding plate having a coolant line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0070] Figure 1a to Figure 1c A first embodiment of a shielding device 1 is shown for thermally shielding at least one component of an electric motor, for example the rotor, against heat input, for example caused by a friction brake. Figure 1a to Figure 1c It is shown that, within the framework of this embodiment, the shielding device 1 comprises an annular base body 3, 3a, 3b and a coolant conduit 2 integrated into the annular base body 3, 3a, 3b for cooling the shielding device 1 with a coolant, 2a, 2b. Figure 1a It is explained within the framework of this embodiment that the annular base body 3 , 3 a , 3 b is a substantially hollow cylindrical body with self-closing sides (closed rings) and a circular base.

[0071] Figure 1a In particular it is shown that the annular base body 3 , 3 a , 3 b and the coolant conduit 2 , 2 a , 2 b are formed by two annular strips 3 a , 3 b having a groove shape for forming the coolant conduit 2 , 2 a , 2 b The recesses 2 a , 2 b and t...

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PUM

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Abstract

The invention relates to an electromotive drive system, in particular an electric wheel hub drive, e.g. for an electric and / or hybrid vehicle. In order to protect heat-sensitive components of the electric motor from heat input by a friction brake, the drive system comprises a shielding device (1) having a coolant line (2, 2a, 2b) for cooling the shielding device (1) by means of a coolant. The invention further relates to such a shielding device (1), an electric and / or hybrid vehicle, and a production method.

Description

technical field [0001] The invention relates to an electric drive system, a heat shield, an electric vehicle and / or a hybrid vehicle and a method of manufacture. Background technique [0002] Electric motors have common heat sensitive components. Therefore, the rotor and the stator, especially the rotor, react sensitively to excessive heat input. [0003] For example, a large amount of heat is generated during the actuation of friction brakes. [0004] A special embodiment of the electric motor is an electric hub drive. The hub drive mechanism includes an electric motor installed directly in the wheel of the car while carrying the hub so that a part of the motor rotates together with the wheel. Wheel hub drives have a high integration density, so that the heat transfer from the friction brake to the heat-sensitive parts of the electric motor cannot be satisfied by the increased distance between the friction brake and the heat-sensitive parts. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K7/00F16D65/78H02K7/102H02K9/19B60K1/00
CPCB60K7/0007H02K7/102Y10T29/49359H02K9/227H02K9/22B60K11/02
Inventor 托比亚斯·沃格勒拉斐尔·费舍尔
Owner SCHAEFFLER TECH AG & CO KG