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:
Dec. 16, 2008
Filed:
Jun. 26, 2007
Applicants:
Tomiharu Isogai, Obu, JP;
Takuji Nakamura, Kariya, JP;
Inventors:
Tomiharu Isogai, Obu, JP;
Takuji Nakamura, Kariya, JP;
Assignees:
Aisan Kogyo Kabushiki Kaisha, Obu-shi, Aichi-ken, JP;
Denso Corporation, Kariya-shi, Aichi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 9/10 (2006.01); F02M 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An intake air control valve has a bore defining member and a butterfly-type valve member that includes a shaft and a valve body. The valve body has a pair of valve portions joined to the shaft and rotatable between a fully closed position and a fully opened position; Each of the valve portions has a central portion and opposite end portions along a direction of the rotational axis of the valve member. The thickness of each of the valve portions gradually increases from the central portion toward the end portions.