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:
Dec. 22, 1987
Filed:
Mar. 18, 1986
Applicant:
Inventor:
Rolf-Jurgen Steinigeweg, Herzogenaurach, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ; H02P / ;
U.S. Cl.
CPC ...
3241 / ; 318432 ; 318433 ;
Abstract
In two of the three phases of a synchronous machine, the feeding or driving current is measured. During 240.degree. of an operating cycle of the synchronous machine, a reference signal is generated which is proportional to the measured current of one or the other of the feeding signals, whereas during the remaining 120.degree. the magnitude of the sum of the feeding currents of the two phases constitute the reference signal.
Steinigeweg, Rolf-Jurgen. (1987). Apparatus for forming the actual value of a torque in a three-phase (U.S. Patent No. 4714878). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4714878
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile