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. 31, 2005
Filed:
Aug. 16, 2002
Applicants:
Thomas A. Parrish, Parma, MI (US);
Kenneth G. Phaneuf, Chelsea, MI (US);
Bernardino P. Nanni, Jr., Jerome, MI (US);
Inventors:
Thomas A. Parrish, Parma, MI (US);
Kenneth G. Phaneuf, Chelsea, MI (US);
Bernardino P. Nanni, Jr., Jerome, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K021/10 ;
U.S. Cl.
CPC ...
Abstract
A pressure relief apparatus including a housing, a valve disposed in the housing, the valve having a first shoulder, a retainer disposed between the housing and the valve spool, the retainer having a second shoulder, a biasing member disposed between the first and second shoulders, and a metallic seal interface between the housing and the valve. The valve may be constructed with no dynamic elastomeric seals to reduce hysteresis.