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. 21, 2000
Filed:
Jun. 14, 1999
Applicant:
Inventors:
Eric Hesher, Avilla, IN (US);
Troy McArthy, Kendallville, IN (US);
Assignee:
Dana Corporation, Toledo, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
1231886 ;
Abstract
An improved integral valve seal body suitable for an internal combustion engine and a method for making the valve seal body is disclosed. The valve seal body is comprised of a valve seal retainer including a cylindrical body and a metal spring seat. The valve seal retainer defines an inner cylindrical passageway and includes a radially extending flange. The metal spring seat, which may be comprised of a corrugated metal washer, is substantially or entirely encapsulated within the radially extending flange of the valve seal retainer body.