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:
Feb. 09, 1988
Filed:
Sep. 30, 1985
Applicant:
Inventors:
Wilhelm Reinhardt, Schrozberg-Guetbach, DE;
Gunther Hofele, Goeppingen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 / ; 310 42 ; 310 / ; 310 71 ; 310 72 ; 310 89 ; 310D / ;
Abstract
A collectorless direct-current motor with a stator mounted on a motor flange and a rotor mounted so that it can rotate on a shaft, in which case power semiconductors for the purpose of commutating the currents of the stator are attached to parts of the motor for the purpose of dissipating the heat and a circuit board with electronic components is provided for the purpose of controlling the commutation, and the power semiconductors are electrically connected to the circuit board, in which case the power semiconductors (39) are attached to the motor flange (2), preferably the outside (29) thereof, in heat conducting contact.