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:
May. 23, 1989
Filed:
Oct. 31, 1988
Applicant:
Inventors:
Wayne M Wagner, Apple Valley, MN (US);
Douglas E Flemming, Rosemount, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474 69 ; 474 70 ; 474113 ;
Abstract
A mechanism which maintains a required power level for an electrical use device even though the power level would otherwise drop below that which is necessary at engine idle or alternator speed would increase beyond an acceptable maximum at engine hi idle. The apparatus includes a variator pulley along with mechanism for moving the pulley between first and second positions thereby increasing or decreasing the ratio of alternator speed to engine speed.