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:
Feb. 12, 2008
Filed:
Aug. 03, 2004
Applicants:
Yoshiki Ihara, Hino, JP;
Shinya Nitta, Hino, JP;
Inventors:
Yoshiki Ihara, Hino, JP;
Shinya Nitta, Hino, JP;
Assignee:
Hino Motors, Ltd., Hino-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve guide structure is provided which can suppress deterioration of a valve guide even if radial stress is applied on an upper portion of a stem of a valve. The valve guide structure is such that the stemof the valveis supported by an inner peripheral surface of the valve guideto restrict moving directions of the valve. A recessis formed on an inner peripheral surface of the valve guideand extends downwardly from an upper end of the valve guidealong the stemof the valveso as to provide a clearance between the valve guideand the stemof the valve