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:
Mar. 09, 1993
Filed:
Dec. 18, 1991
Applicant:
Inventor:
Woo Y Lee, Seoul, KR;
Assignee:
Dong A Electric Parts Co., Ltd., Kuri, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
337104 ; 337105 ; 361104 ;
Abstract
A resistance unit has a temperature fuse between a resistance and a terminal for deactivating a resistance circuit when the motor reaches the permissible maximum temperature. The resistance unit having resistance connected in series with a plurality of terminals for controlling the speed of a motor comprises at least one temperature fuse electrically interposed between one of the terminals and one end of a corresponding one of the resistances for deactivating the resistance circuit when the resistance unit is overheated.