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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 11306778 B1

PDFFull Text
Date of Patent:
Apr. 19, 2022

Filed:

Sep. 11, 2014

Sintered bearing for an egr valve and manufacturing method thereof

Applicant:

Ntn Corporation, Osaka, JP;

Inventors:

Yoshinori Ito, Aichi, JP;

Hiroharu Nagata, Aichi, JP;

Tomoyuki Seto, Mie, JP;

Takahiro Gotou, Aichi, JP;

Assignee:

NTN CORPORATION, Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Paul A Wartalowicz

Assistant Examiner:

Ryan L Heckman

Int. Cl.
CPC ...
F16C 33/12 (2006.01); C22C 9/01 (2006.01); B22F 3/10 (2006.01); F16C 33/14 (2006.01); C22C 1/04 (2006.01); C22C 32/00 (2006.01); B22F 5/10 (2006.01); B22F 5/00 (2006.01); B22F 1/00 (2022.01); B22F 3/16 (2006.01); B22F 3/24 (2006.01);
U.S. Cl.
CPC ...
F16C 33/128 (2013.01); B22F 1/0003 (2013.01); B22F 3/1003 (2013.01); B22F 3/16 (2013.01); B22F 3/24 (2013.01); B22F 5/00 (2013.01); B22F 5/106 (2013.01); C22C 1/0425 (2013.01); C22C 9/01 (2013.01); C22C 32/0084 (2013.01); F16C 33/121 (2013.01); F16C 33/145 (2013.01); B22F 2998/10 (2013.01); F16C 2204/10 (2013.01); F16C 2220/20 (2013.01); F16C 2361/91 (2013.01);
Abstract

Provided is a sintered bearing for an EGR valve, including raw material powder including 9% by weight to 12% by weight of aluminum, 0.1% by weight to 0.6% by weight of phosphorus, 3% by weight to 10% by weight of graphite, and the balance including copper as a main component, and inevitable impurities. The sintered bearing has a structure of a sintered aluminum-copper alloy. The sintered bearing further includes free graphite distributed in pores formed so as to be dispersed.

Find Patent Forward Citations

Ito, Yoshinori. (2022). Sintered bearing for an egr valve and manufacturing method thereof (U.S. Patent No. 11306778). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11306778

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

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