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. 02, 1978
Filed:
Nov. 15, 1976
Applicant:
Inventor:
Henry Joseph Spence, Indianapolis, IN (US);
Assignee:
Wallace Murray Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
192 / ; 192 / ;
Abstract
A shear liquid coupling of the temperature controlled type for driving the cooling fan of the radiator of an internal combustion engine. The specific improvement resides in the use of a separate tube for returning drive shear liquid from a zone adacent the drive rotor periphery to the shear liquid reservoir. The use of such a separate tube obviates the need of drilling (or casting) a return shear liquid passage in the coupling. Further, the use of such a separate tube permits operation in either direction of fan rotation.