Cooling circuit pump for a motor vehicle

Inactive Publication Date: 2014-08-28
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0003]It is the aim of the present invention to mount the stator of the electric motor such that said stator is sufficiently fixed when inert

Problems solved by technology

When such water pumps are used in the automotive field, said pu

Method used

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  • Cooling circuit pump for a motor vehicle
  • Cooling circuit pump for a motor vehicle

Examples

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Example

[0018]In a second exemplary embodiment pursuant to FIG. 3 in which identical components are provided with the identical reference numerals, the snap hooks 16, in contrast to the first exemplary embodiment, are configured on or fastened to a flange ring 28 formed from the pot 24.

[0019]In a third exemplary embodiment (see FIG. 4), in which identical components are once again provided with identical reference numerals, the length of the snap hooks 30 and thus the required tolerance compensation is reduced in contrast to the first and second exemplary embodiment. In this case, the laminated core of the stator 12 is configured in a stepped manner in the axial extension thereof, and the latching lugs 32 of the snap hooks 30 engage on a ledge 34 in the assembled state. The ledge 34 is thereby formed by means of the selection of two different sheet metal ring thicknesses.

[0020]The mounting of a stator described above is, of course, not limited to the installation in a coolant pump but can b...

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PUM

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Abstract

The invention relates to a cooling circuit pump for a motor vehicle, having a stator which is arranged in a motor housing (14) and in which a rotatably mounted rotor is received. It is proposed that the stator (12) is received in the motor housing (14) in a positively locking manner.

Description

[0001]The invention relates to a cooling circuit pump for a motor vehicle.[0002]The German patent publication DE 10 2009 028 144 A1 discloses a cooling circuit pump for a motor vehicle, the former having a hydraulic part as well as an electric motor. When such water pumps are used in the automotive field, said pumps are exposed to considerable vibration and temperature loads. This results, for example, during use as a so-called auxiliary water pump which increases the climate comfort in the motor vehicle, improves the flow of the coolant and supports the heating circuit. In so doing, the use of residual heat is facilitated when the engine is turned off. It is known from the prior art how to fasten the stator of the electric motor to the motor housing by means of screw or adhesively bonded connections.SUMMARY OF THE INVENTION[0003]It is the aim of the present invention to mount the stator of the electric motor such that said stator is sufficiently fixed when inertia forces resulting ...

Claims

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Application Information

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IPC IPC(8): F04D29/60
CPCF04D29/60F04D29/628H02K1/185H02K5/128F04D13/064
Inventor BRAUN, JOHANNSCHMID, JOERGMAHFOUDH, SAMIR
Owner ROBERT BOSCH GMBH
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