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. 09, 2011
Filed:
Sep. 14, 2007
Applicants:
Haruo Watanuki, Tokyo, JP;
Satoru Hasegawa, Tokyo, JP;
Naosuke Nojima, Tokyo, JP;
Sotsuo Miyoshi, Tokyo, JP;
Inventors:
Haruo Watanuki, Tokyo, JP;
Satoru Hasegawa, Tokyo, JP;
Naosuke Nojima, Tokyo, JP;
Sotsuo Miyoshi, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 47/08 (2006.01); F02B 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inner surface of an exhaust gas passageof an EGR valveis coated with Teflon coatingand a surface of a valve rodis coated with a filmof chromium plating.