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.

Date of Patent:
Jan. 26, 1999

Filed:

Mar. 14, 1996
Applicant:
Inventors:

Benjamin Ziph, Ann Arbor, MI (US);

Scott Strodtman, Ypsilanti, MI (US);

Thomas K Rose, Chelsea, MI (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ; B60K / ;
U.S. Cl.
CPC ...
701110 ; 701 84 ; 701101 ; 12333916 ; 12333924 ; 60524 ; 180 653 ;
Abstract

A system and method of speed and power control for an engine in which speed and power of the engine is controlled by modulation of the load torque. The load torque is manipulated in order to cause engine speed, and hence power to be changed. To accomplish such control, the load torque undergoes a temporary excursion in the opposite direction of the desired speed and power change. The engine and the driven equipment will accelerate or decelerate accordingly as the load torque is decreased or increased, relative to the essentially fixed or constant engine torque. As the engine accelerates or decelerates, its power increases or decreases in proportion.


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