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. 25, 2004
Filed:
May. 21, 2002
Applicant:
Inventor:
Dean Jinkyu Rim, Bloomfield Hills, MI (US);
Assignee:
Visteon Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/22 ;
U.S. Cl.
CPC ...
F16K 1/22 ;
Abstract
An exhaust valve ( ) includes a housing ( ) having a passageway ( ) extending axially therethrough. The exhaust valve ( ) also includes a rotatable butterfly plate ( ) disposed in the passageway ( ) of the housing ( ) and having an annular groove ( ) in a periphery thereof. The exhaust valve ( ) further includes a ring seal ( ) disposed in the groove ( ) and being radially compressible and expandable for engagement and disengagement with the housing for opening and closing the passageway ( ) to allow and prevent exhaust gases flowing therethrough.