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.:
Date of Patent:
Jan. 18, 2022
Filed:
May. 31, 2019
Applicant:
Stoneridge, Inc., Novi, MI (US);
Inventors:
Robert J. Steinman, Lexington, OH (US);
Benjamin A. Harriger, Bellville, OH (US);
Assignee:
STONERIDGE, INC., Novi, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 1/00 (2006.01); F02M 25/08 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0818 (2013.01); F02M 25/0827 (2013.01); F02D 2041/225 (2013.01);
Abstract
A system and method for leak check module including first and second solenoid valves. A first solenoid valve is configured to be coupled between a fuel vapor canister and atmospheric air for controlling air flow in a first flow path between the fuel vapor canister and atmospheric air. A pump is configured to be coupled to atmospheric air. A second solenoid valve is configured to be coupled between the pump and the fuel vapor canister for controlling air flow in a second flow path between the fuel vapor canister and atmospheric air through the pump.