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. 22, 1981
Filed:
Jun. 17, 1980
Applicant:
Inventors:
Howard L Clark, Ballston Lake, NY (US);
Richard A Dorman, Troy, NY (US);
Paul Back, Clifton Park, NY (US);
Assignee:
Mechanical Technology Incorporated, Latham, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
318124 ; 318135 ; 318687 ;
Abstract
A control method and system for quasi-proportionally controlling the magnitude of DC excitation current supplied to the DC field coil windings of a linear reciprocating motor in proportion to the magnitude of the AC excitation current supplied to the AC field coil windings of the motor.