Title:
【発明の名称】タコメータ信号発生器付き電動機
Document Type and Number:
Japanese Patent JPH11513239
Kind Code:
A
Abstract:
A permanent magnet electric motor including a rotor having an annular arrangement of field magnets for rotation around an axis relative to a stator. An annular FG magnet arrangement affixed to an end of the rotor cooperates with an adjacent FG coil to produce a signal indicative of the rotor speed. A shunt washer of magnetically permeable material is interposed between the field magnet arrangement and the FG magnet arrangement.
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Inventors:
Cariel mark emery
La Chance Raymond Henry
La Chance Raymond Henry
Application Number:
JP50257498A
Publication Date:
November 09, 1999
Filing Date:
April 01, 1997
Export Citation:
Assignee:
Philips Electronics Nemrose Fennaught Shap
International Classes:
G01P3/487; H02K11/00; H02K29/00; (IPC1-7): H02K11/00; G01P3/487; H02K29/00
Attorney, Agent or Firm:
Akihide Sugimura (5 outside)