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. 20, 2011
Filed:
Mar. 15, 2010
Thomas L. Beck, Union Grove, WI (US);
Michael D. Dry, Racine, WI (US);
Mark E. Garlow, Kenosha, WI (US);
Michael O. Lucas, Franksville, WI (US);
Michael A. Macdonald, Racine, WI (US);
Ronald G. Peterson, Racine, WI (US);
Thomas L. Beck, Union Grove, WI (US);
Michael D. Dry, Racine, WI (US);
Mark E. Garlow, Kenosha, WI (US);
Michael O. Lucas, Franksville, WI (US);
Michael A. MacDonald, Racine, WI (US);
Ronald G. Peterson, Racine, WI (US);
Unico, Inc., Franksville, WI (US);
Abstract
A system and method are provided for controlling the speed of a motor driving a load that is electrically connected to a generator driven by an engine, through use of a first control feedback loop configured to control the rotor flux of the motor by controlling the field excitation of the generator, and a second control feedback loop configured to control the speed of the motor by controlling the throttle position of the engine.