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Apparatus for holding an electrical machien such that it is decoupled from vibration

A technology of vibration isolation and electric motors, which is applied to components of pumping devices for elastic fluids, electromechanical devices, pump devices, etc., and can solve problems affecting vibration damping power, etc.

Active Publication Date: 2012-10-17
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the installation position of such an electric motor must be selected corresponding to the arrangement of the electric motor elements and undesired settling occurs during operation of the electric motor, which results in undesired gap dimensions. Reduce or cause moving elements to hit fixed elements, such as elements of a fan wheel on the housing, and affect the damping power

Method used

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  • Apparatus for holding an electrical machien such that it is decoupled from vibration
  • Apparatus for holding an electrical machien such that it is decoupled from vibration
  • Apparatus for holding an electrical machien such that it is decoupled from vibration

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Embodiment Construction

[0017] figure 1 An electrical machine 1 is shown, ie an electrical machine 2 with a pole housing 3 . The electric motor 2 is surrounded and held by a motor flange 4 and is surrounded by a housing cover 5 which covers the electric motor 2 and rests against the motor flange 4 . Radial fastening webs 6 are provided on the pole housing 3 , of which only one can be seen here. The fastening web 6 is in particular designed integrally with the pole housing 3 , for example by means of a stamping / pressing process. These fastening webs have a recess in which a vibration-insulating element 7 is inserted, which is designed in the shape of a dumbbell 8, wherein this dumbbell consists of two spherical structures 9 which are connected to each other by means of a web 10 . The connection piece 10 is arranged in the said gap of the fixed connection plate 6, so that the spherical structure 9 is placed on one side of the fixed connection plate and also on the other side. Of the spherically sha...

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Abstract

The invention relates to an apparatus for holding an electrical machine (1) such that it is decoupled from vibration, which electrical machine (1) has a pole housing (3) and a machine flange, between which at least one vibration-decoupling element (7) is arranged, which rests on at least one contact surface (11) of the pole housing (3) and / or motor flange (4) and has a shape similar to a sphere, at least in places. The invention provides for the shape of the contact surface (11) to be matched to the shape which is similar to a sphere.

Description

[0001] The invention relates to a device according to the preamble of claim 1 for mounting an electric machine in a vibration-isolated manner. technical background [0002] Electric motors are used in all aspects of daily life; especially as electric motors they are used practically everywhere, vibrations are generated when the motor is started and when it is running, which necessitates the separation of the motor to keep the motor, or to surround it Its environment is isolated. Especially in the case of electric motors, as they are used in motor vehicles, for example in fans of heating or air-conditioning systems, it is known to use vibration isolation in order to prevent the transmission of solid-borne sound from the motor or fan components to the vehicle body and / or the vehicle interior. up, or at least make it smaller. The operating noise of the electric motor and the vibrations which are dependent on the operation, for example due to unbalance of the fan wheel to be driv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K5/24H02K5/26
CPCH02K5/24F04D25/0606F16F15/08F04D29/668
Inventor A·希尔
Owner ROBERT BOSCH GMBH
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