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Electric motor, preferably electrically commutated motor, including electronic module

A technology of electric motors and electronic modules, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve problems such as large structural space, and achieve the effects of small structural space, simplified installation, and compact structure

Active Publication Date: 2018-02-02
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, the arrangement is very compact and takes up a lot of installation space, which requires additional costs for sealing and forming housing parts

Method used

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  • Electric motor, preferably electrically commutated motor, including electronic module
  • Electric motor, preferably electrically commutated motor, including electronic module
  • Electric motor, preferably electrically commutated motor, including electronic module

Examples

Experimental program
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Embodiment Construction

[0031] exist figure 1 An electrically commutated motor, for example for controlling a clutch actuator in a motor vehicle, is shown in , together with control electronics 1 . These are brushless DC motors, which are also referred to as BLDC motors (Brushless DC Motors), in which the otherwise usual mechanical commutator with brushes for commutation is replaced by an electronic circuit. The electric motor 1 according to figure 1 a consists of a deep-drawn housing 2 which is sealed by a heat sink 3 made of aluminum die-cast. The plug-in unit 4 made of plastic is a component of the heat sink 3 and is injected or glued into it, for example. The cylindrical-like housing 2 of the electric motor 1 has, on its radial circumference facing the heat sink 3 , a plurality of bent webs 5 which are formed in one piece from the housing 2 and face the heat sink 3 . Folding in the direction in order to thereby achieve an axial fixation of the electronics module 7 formed by the electronics uni...

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PUM

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Abstract

The invention relates to an electric motor, preferably an electrically-commutated motor, having an electronic module comprising a housing in which the electronic module, consisting of an electronic unit and a heat sink, is arranged. The housing is closed by the heat sink and the electric motor phases which are tapped on a stator are connected to a plug unit. In an especially compact design of an electric motor which is cheap to produce and which requires only a small installation space, the mechanical connections of the electronic unit to the heat sink and / or to the housing and / or the electrical connection from the electrical phases of the stator and the electronic unit to the plug unit are designed without a bolted connection.

Description

technical field [0001] The invention relates to an electric motor, preferably an electrically commutated motor, comprising an electronic module, said electric motor comprising a housing in which an electronic module consisting of an electronic unit and a heat sink is arranged, wherein the housing is composed of a heat sink An electric motor phase closed and tapped on the stator is connected to the plug-in unit. Background technique [0002] Electrically commutated motors are used, for example, in clutch and transmission controls of motor vehicles. To control such an electrically commutated motor, for example a BLDC motor, a control unit and a converter circuit are required. Such a control unit and converter circuit are combined in an electronics module, where they are arranged, for example as a separate electronics unit, separately from the housing of the electric motor. [0003] Alternatively, it is also known to arrange the electronics unit in the housing of the electric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K11/00H02K5/22
CPCH02K5/225H02K11/33
Inventor 马蒂亚斯·格拉曼朱利安·博缇奥夫
Owner SCHAEFFLER TECH AG & CO KG
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