Stator blade for an electric motor

A stator punching and motor technology, which is applied in the field of stator punching, can solve the problems of affecting the efficiency of the motor part, torque, affecting the magnetic field, etc.
CN102013738AInactive Publication Date: 2011-04-13WHIRPOOL SA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WHIRPOOL SA
Publication Date
2011-04-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a stator blade (10) for an electric motor, comprising a central opening (20), a plurality of slots (30) spaced around the opening (20), and a plurality of teeth (50) formed between every two consecutive slots (30). The corners (35a, 35b, 35c, 35d) between the slot edges (30e and 30a, 30e and 30b, 30b and 30d, and 30c and 30a) are fillet radii and the angles formed by these edges are acute angles. The teeth (50) have two side edges (50a, 50b) inclined towards each other and defined by the side edges (30b and 30a) of two consecutive slots.
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Description

technical field

[0001] The present invention relates to stampings for stators, and more particularly, to stampings for stators for electric motors used on compressors in refrigeration equipment. Background technique

[0002] In refrigeration equipment, the compressor is typically driven by an induction motor. This type of motor consists of a moving part (ie the rotor) and a stationary part (ie the stator). For the operation of the motor, the stator part generates a magnetic field that induces a current in the rotor part, and the interaction between this induced current and the magnetic field produces a torque that drives the rotor.

[0003] As is well known to those skilled in the art, the core of the rotor section is the combination of a set of punches (the stator's punches). Each punch has a central hole, and is closely connected with the stator and the grooves distributed around the central hole, so that the conductive coils made of conductive material can be arranged. ...

Claims

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