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:
Jun. 30, 1987
Filed:
Jun. 18, 1985
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318153 ; 318135 ; 318687 ; 318799 ;
Abstract
The device comprises a variable frequency AC generator with means of exitation supplied by means for controlling exitation current, means for regulation of the frequency of the generator as a function of an index value, means for measuring actual speed of the mobile portion of the motor, and means for comparing actual speed with the index value. According to the invention, the means for controlling the exitation current are connected to the means for comparing actual speed with the index value, and the generator has a high internal reactance.
Pascal, Jean-Pierre. (1987). Device for regulating the speed of an asynchronous electric motor (U.S. Patent No. 4677354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4677354
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile