The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 1978
Filed:
Aug. 06, 1975
Applicant:
Inventors:
Nobuo Anzai, Inazawa, JA;
Eiki Watanabe, Inazawa, JA;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
187 / ; 318250 ;
Abstract
A direct current motor for an elevator car includes an armature and an interpole winding or a series field winding serially connected to the armature and controlled by a static Ward-Leonard device. A filter includes the interpole or series field winding and a series combination of a capacitor, a resistor, a reactor and a fuse with or without a series reactor.