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.

Date of Patent:
Apr. 28, 2026

Filed:

Oct. 17, 2024
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Jason M. Andrzejewski, Washington, MI (US);

Chao Wan, Shanghai, CN;

Wenshui Wang, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/003 (2013.01); F02M 25/0836 (2013.01);
Abstract

A vehicle emissions control system including: a fuel tank; a canister including a material configured to absorb fuel vapors released from liquid fuel stored within the fuel tank; a pressure relief valve configured to open to vent the fuel tank and permit the fuel vapors and the liquid fuel to flow out of the fuel tank; and a fuel separator configured to change a flow velocity of fuel flowing from the fuel tank to separate the fuel vapors from the liquid fuel, the fuel separator in fluid communication with the fuel tank and the canister to direct the fuel vapors to the canister and direct the liquid fuel away from the canister.


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Andrzejewski, Jason. (2026). Evaporative emissions control system (U.S. Patent No. 12612881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612881

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