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:
Aug. 10, 1999
Filed:
Aug. 07, 1997
Applicant:
Inventors:
James E Pearson, Downers Grove, IL (US);
Dennis DeVera, Carol Stream, IL (US);
Christopher A Zajac, Macomb Township, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
251 61 ; 91459 ;
Abstract
A butterfly water valve for a heater core has a vacuum motor attached to the water valve body with the vacuum motor connected to the butterfly valve crank. The vacuum motor housing has a well formed therein and a solenoid operated valve is quick connected in the well and is ported directly to the vacuum motor pressure chamber. The solenoid valve well communicates with a vacuum connector formed integrally with the vacuum motor housing. The vacuum motor housing is preferably formed of two shells welded together and sealing about the rim of a pressure responsive diaphragm.