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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.:

US 8876936 B1

PDFFull Text
Expired
Date of Patent:
Nov. 04, 2014

Filed:

Dec. 12, 2011

Engine valve seat and manufacturing method thereof

Applicants:

Ki Bum Kim, Seoul, KR;

Eui Jun Kim, Gyeonggi-do, KR;

Seong Jin Kim, Gyeonggi-do, KR;

Sung Kweon Jang, Seoul, KR;

Ki Jung Kim, Gyeonggi-do, KR;

Shin Gyu Kim, Incheon, KR;

Jong Kwan Park, Daegu, KR;

Sung Tae Choi, Daegu, KR;

Inventors:

Ki Bum Kim, Seoul, KR;

Eui Jun Kim, Gyeonggi-do, KR;

Seong Jin Kim, Gyeonggi-do, KR;

Sung Kweon Jang, Seoul, KR;

Ki Jung Kim, Gyeonggi-do, KR;

Shin Gyu Kim, Incheon, KR;

Jong Kwan Park, Daegu, KR;

Sung Tae Choi, Daegu, KR;

Assignees:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Korea Sintered Metal Co., Ltd., Daegu, KR;

Attorneys:

Edwards Wildman Palmer LLP

Peter F. Corless

Primary Examiner:

George Wyszomierski

Assistant Examiner:

Ngoclan T Mai

Int. Cl.
CPC ...
C22C 38/04 (2006.01); B22F 3/12 (2006.01); C22C 27/04 (2006.01); C22C 38/44 (2006.01); C22C 38/00 (2006.01); B22F 5/10 (2006.01); C22C 38/52 (2006.01); C22C 19/07 (2006.01); C22C 33/02 (2006.01); C22C 27/06 (2006.01); B22F 1/00 (2006.01);
U.S. Cl.
CPC ...
B22F 1/00 (2013.01); B22F 3/12 (2013.01); C22C 27/04 (2013.01); C22C 38/44 (2013.01); C22C 38/002 (2013.01); B22F 5/106 (2013.01); C22C 38/52 (2013.01); C22C 19/07 (2013.01); C22C 33/0285 (2013.01); C22C 38/04 (2013.01); C22C 27/06 (2013.01);
Abstract

Disclosed herein is an engine valve seat, including: iron (Fe) as a main component; about 0.6˜1.2 wt % of carbon (C); about 1.0˜3.0 wt % of nickel (Ni); about 8.0˜11.0 wt % of cobalt (Co); about 3.0˜6.0 wt % of chromium (Cr); about 4.0˜7.0 wt % of molybdenum (Mo); about 0.5˜2.5 wt % of tungsten (W); about 1.0˜3.0 wt % of manganese (Mn); about 0.2˜1.0 wt % of calcium (Ca); and other inevitable impurities.

Find Patent Forward Citations

Kim, Ki. (2014). Engine valve seat and manufacturing method thereof (U.S. Patent No. 8876936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8876936

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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