Title:
LINEAR DC MOTOR
Document Type and Number:
Japanese Patent JPH07143728
Kind Code:
A
Abstract:
PURPOSE: To always maintain a definite propulsive force irrespective of the change in the relative position of a primary side to a secondary side.
CONSTITUTION: A magnet 81, for magnetic-pole detection, whose magnetic-pole number is by one magnetic pole more than that of a field magnet 69 is installed, Hall-effect elements 43 as magnetic-pole discrimination elements are made to act by the magnet 81 for magnetic-pole detection, the number of armature-coil conductor parts which actually generate a porpulsive force is made definite, and an effect to keep the propulsive force definite is obtained.
Inventors:
KATAGIRI SATORU
OHIRA HIDETO
FUJISAWA MASAJI
OHIRA HIDETO
FUJISAWA MASAJI
Application Number:
JP31437493A
Publication Date:
June 02, 1995
Filing Date:
November 19, 1993
Export Citation:
Assignee:
NIPPON THOMPSON CO LTD
International Classes:
H02K41/02; H02K41/035; (IPC1-7): H02K41/035
Attorney, Agent or Firm:
Shoji Hagiri