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:
Jul. 27, 2021
Filed:
Jun. 14, 2019
Applicants:
Denso International America, Inc., Southfield, MI (US);
Denso Corporation, Kariya, JP;
Inventor:
Brandon MacLennan, Farmington, MI (US);
Assignees:
DENSO International America, Inc., Southfield, MI (US);
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/22 (2006.01); F02M 59/20 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0809 (2013.01); F02D 41/22 (2013.01); F02M 59/20 (2013.01); F02D 2041/225 (2013.01);
Abstract
Systems and method for determining a Reid vapor pressure of a fuel system using a bi-directional pump of the fuel system. The determined Reid vapor pressure is compared to reference Reid vapor pressures to identify the presence of, and size of, a leak in the fuel system.