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:
Nov. 15, 1983
Filed:
Apr. 21, 1982
Applicant:
Inventor:
Robert C Mellin, Brighton, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4112 ; 123 4115 ; 192 / ; 1921 / ;
Abstract
An engine cooling fan driven through a viscous clutch and having a mechanically shearable drive element into the powered input of the viscous clutch which shears at a predetermined low torque level to prevent fan damage due to viscous clutch lockup and limits fan speeds to a relatively low torque level.