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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 11927193 B1

PDFFull Text
Date of Patent:
Mar. 12, 2024

Filed:

May. 29, 2018

Multi-stage compressor with turbine section for fuel cell system

Applicant:

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

Inventors:

Brent Donato, Torrance, CA (US);

Jeffrey Allen Lotterman, Moravia, CZ;

Ryoken Matsuzaki, Torrance, CA (US);

Assignee:

GARRETT TRANSPORTATION I INC, Torrance, CA (US);

Attorney:

LORENZ & KOPF, LLP

Primary Examiner:

Justin D Seabe

Assistant Examiner:

Behnoush undefined Haghighian

Int. Cl.
CPC ...
F04D 17/12 (2006.01); F01D 5/04 (2006.01); F02B 37/013 (2006.01); F02B 37/10 (2006.01); F02B 39/10 (2006.01); F02C 3/05 (2006.01); F02C 6/12 (2006.01); F04D 25/02 (2006.01); F04D 25/04 (2006.01); F04D 29/26 (2006.01); H01M 8/04111 (2016.01); F02B 33/34 (2006.01); F02C 3/107 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
F04D 17/122 (2013.01); F01D 5/048 (2013.01); F02B 37/013 (2013.01); F02B 37/10 (2013.01); F02B 39/10 (2013.01); F02C 3/05 (2013.01); F02C 6/12 (2013.01); F04D 25/024 (2013.01); F04D 25/045 (2013.01); F04D 29/266 (2013.01); H01M 8/04111 (2013.01); F02B 33/34 (2013.01); F02C 3/107 (2013.01); F04D 17/12 (2013.01); F04D 25/0606 (2013.01); F05D 2220/40 (2013.01); F05D 2220/76 (2013.01); F05D 2240/40 (2013.01); H01M 2250/20 (2013.01);
Abstract

A multi-stage charging device includes a shaft that is supported for rotation about an axis. The charging device also includes a first compressor wheel of a first compressor stage. The first compressor wheel is fixed on the shaft. Furthermore, the charging device includes a second compressor wheel of a second compressor stage. The second compressor wheel is fixed on the shaft. Additionally, the charging device includes a turbine wheel of a turbine section. The turbine wheel is fixed on the shaft in a back-to-back arrangement with the second compressor wheel.

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