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. 13, 2001
Filed:
Feb. 25, 1999
Applicant:
Inventors:
Akihiro Hamada, Machida, JP;
Hiroaki Asanuma, Fujisawa, JP;
Assignee:
Fuji Oozx, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/100 ;
U.S. Cl.
CPC ...
F16K 3/100 ;
Abstract
An Al alloy poppet valve is used in an internal combustion engine and has a valve head and a valve stem. At least the valve head is made of non-heat-treatable Al alloy in which ceramic particles such as oxide and carbide are uniformly dispersed, thereby increasing wear resistance and durability.