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:
Mar. 11, 2008
Filed:
Jan. 11, 2007
Don R. Bayer, Dousman, WI (US);
Christine A. Richardson, Delavan, WI (US);
Guoming Wu, Waukesha, WI (US);
Robert D. Kern, Waukesha, WI (US);
Don R. Bayer, Dousman, WI (US);
Christine A. Richardson, Delavan, WI (US);
Guoming Wu, Waukesha, WI (US);
Robert D. Kern, Waukesha, WI (US);
Generac Power Systems, Inc., Waukesha, WI (US);
Abstract
A method and device is provided for regulating the air-fuel mixture provided to an engine of a stand-by electrical generator during the exercise thereof. The engine is exercised at a predetermined speed less than the normal operating speed of the engine and each cylinder receives an air-fuel mixture having an air component and a fuel component. To exercise the engine, the air component and the fuel component in the air-fuel mixture provided to the engine is reduced. In addition, the volume of the air-fuel mixture provided to each cylinder of the engine is balanced.