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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 11530472 B1

PDFFull Text
Date of Patent:
Dec. 20, 2022

Filed:

Oct. 30, 2019

Stainless steel alloys, turbocharger components formed from the stainless steel alloys, and methods for manufacturing the same

Applicant:

Garrett Transportation I Inc., Torrance, CA (US);

Inventors:

Pavan Chintalapati, Bangalore, IN;

Philippe Renaud, Sanchey, FR;

Piotr Gawron, Cracow, PL;

Bjoern Schenk, Commugny, CH;

Assignee:

Garrett Transportation I Inc., Torrance, CA (US);

Attorney:

Quinn IP Law

Primary Examiner:

Jie Yang

Int. Cl.
CPC ...
C22C 38/48 (2006.01); C21D 6/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/22 (2006.01); F02B 37/16 (2006.01);
U.S. Cl.
CPC ...
C22C 38/48 (2013.01); C21D 6/004 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/22 (2013.01); F02B 37/164 (2013.01); C21D 2211/001 (2013.01); F05D 2220/40 (2013.01);
Abstract

Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 20.0% to about 21.5% chromium, about 8.5% to about 10.0% nickel, about 4.0% to about 5.0% manganese, about 0.5% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements niobium, tungsten, and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy, and methods of making the same, are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures up to about 1020° C.

Find Patent Forward Citations

Chintalapati, Pavan. (2022). Stainless steel alloys, turbocharger components formed from the stainless steel alloys, and methods for manufacturing the same (U.S. Patent No. 11530472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11530472

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