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:
Jun. 22, 1993
Filed:
Jun. 18, 1991
Applicant:
Inventor:
Jong Dae Lim, Kyungnam, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
75246 ; 75243 ; 419 11 ; 419 38 ; 419 53 ; 419 55 ;
Abstract
A Fe-base sintered alloy for a valve seat for use in internal combustion engines, which constitutes a chemical composition of 0.4 to 2% of C, 0.5 to 5% of Cr, 5 to 15% of Mo, 0.2 to 2% of Ni, 0.4 to 2% of Co, 8 to 20% of Cu, 0.01 to 0.5% of S, and the balance Fe, wherein percentages are by weight. The Fe-base sintered alloy possesses high strength and high rigidity, and hence exhibits excellent abrasive and corrosion wear resistance properties, as well as excellent lubricity.
Quick Actions:
Lim, Jong. (1993). Fe-base sintered alloy for valve seats for use in internal combustion (U.S. Patent No. 5221321). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5221321
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile