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Electric motor and motor/gear unit and variable-length drive means having such an electric motor

A technology of electric motors and planetary gears, applied in electromechanical devices, electrical components, electrical components, etc.

Inactive Publication Date: 2014-03-12
STABILUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Especially when such an electric motor is combined with a planetary gear set, it can generate practically undesirable noises

Method used

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  • Electric motor and motor/gear unit and variable-length drive means having such an electric motor
  • Electric motor and motor/gear unit and variable-length drive means having such an electric motor
  • Electric motor and motor/gear unit and variable-length drive means having such an electric motor

Examples

Experimental program
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Embodiment Construction

[0023] figure 1 A longitudinal section of a first embodiment of an electric motor 10 according to the invention is shown. The electric motor 10 includes a housing 12 formed from a cup part 14 and a cover part 16 . A rotor 18 is received in the housing 12 . The rotor windings 20 of the rotor 18 cooperate in a manner known per se with permanent stator magnets 22 to rotate the rotor 18 relative to the housing 12 when a direct current is supplied in an alternating manner through a commutator 24 . The rotor shaft 26 of the rotor 18 is by means of its figure 1 The left end seen in is guided to the outside of the housing 12 through an opening 28 formed in the wall 30 of the cup-shaped part 14, or rather in a recess 32 of this wall 30, wherein the wall 30 extends at right angles to the axis A of the rotor shaft 26 . Similarly, the rotor shaft 26 at figure 1 The right end, seen in , is guided to the outside of the housing 12 through an opening 34 in a recess 36 of the cover par...

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Abstract

The invention relates to an electric motor (10) having a casing (12) and a rotor (18) which has a rotor shaft (26) with an axis (A), wherein the rotor shaft (26) is guided outside the casing (12), by means of one of its ends, through an opening (28) which is provided in a wall (30) of the casing (12) that extends at a right angle to the axial direction (A) and with which a bearing element (38) is associated, wherein the bearing element (38) bears the rotor shaft (26) such that it can rotate. According to the invention, the bearing element (38) is received in a depression (32) that is made in the wall (30) that extends at a right angle to the axial direction (A), wherein a damping element (54) is provided between a peripheral wall of the depression (32) and the bearing element (38). The invention further relates to a motor / gear unit (10 / 58) and a variable-length drive means having an electric motor (10) of this kind.

Description

technical field [0001] The invention relates to an electric motor comprising a housing and a rotor having a rotor shaft with an axis, wherein the rotor shaft is guided by means of one end thereof to the outside of the housing through an opening arranged at an opposite In the wall of the housing extending at right angles to the axis direction, and the opening is provided with a bearing member, wherein the bearing member supports the rotor shaft so as to be rotatable. Background technique [0002] Such electric motors are used, for example, in electromechanical drives, the applicant under the name POWERISE The equipment is sold, which is already installed, for example, in the Audi A6 Luxury and A7 models produced in 2011. [0003] Figure 6 A longitudinal section through such a known electric motor is shown. The electric motor 910 includes a housing 912 formed from a cup member 914 and a cover member 916 . The rotor 918 is received in the housing 912 . The rotor windings ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/16H02K5/24H02K7/10
CPCH02K5/24H02K5/00H02K5/1672F16C27/063F16C33/046F16C33/20F16C2380/27
Inventor A·里特尔
Owner STABILUS
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