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. 20, 2003
Filed:
Jun. 06, 2002
Applicant:
Inventors:
Akiyoshi Mori, Fujisawa, JP;
Haruki Kobayashi, Fujisawa, JP;
Assignee:
Fuji Oozx Inc., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 3/02 ;
U.S. Cl.
CPC ...
F01L 3/02 ;
Abstract
A multi-valve engine comprises a plurality of intake and exhaust valves on a cylinder. Depending on use, one of the valves is made of higher heat-resistant material, and another is made of lower heat-resistant material, thereby decreasing cost and improving durability and reliability.