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:
Oct. 26, 1993
Filed:
Apr. 29, 1991
Applicant:
Inventors:
James E Pearson, Downers Grove, IL (US);
Norman E Zerndt, Palatine, IL (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ; F16K / ;
U.S. Cl.
CPC ...
25112911 ; 2512495 ; 251308 ;
Abstract
A servomotor actuated engine coolant valve with a plastic body and a thin resilient butterfly plate valve member formed of plastic material internally with a shaft hub drum having the motor shaft received therethrough for torque transmission to the butterfly plate. The butterfly plate is configured to have sufficient resiliency to absorb servomotor overtravel in the valve closed position.