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:
Sep. 06, 1994
Filed:
Oct. 02, 1992
Applicant:
Inventors:
Gerald B Kliman, Schenectady, NY (US);
Kamakshi Srinivasan, Cambridge, MA (US);
Rik W DeDoncker, Schenectady, NY (US);
David E Ritscher, Troy, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
318434 ; 361 30 ; 361 79 ; 318432 ;
Abstract
A circuit breaker for protecting a motor-driven system from overcurrents and undervoltages includes both current and voltage sensors and derives a precise estimate of electromagnetic torque output from sensed currents and voltages. A contactor similarly includes torque estimating capability.