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:
May. 04, 2021
Filed:
Dec. 19, 2017
Applicant:
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Inventor:
Daisaku Asanuma, Gamagori, JP;
Assignee:
AISAN KOGYO KABUSHIKI KAISHA, Obu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); B60K 15/03 (2006.01); F02D 41/08 (2006.01); F02D 41/12 (2006.01); F02M 25/08 (2006.01); F02M 35/10 (2006.01);
U.S. Cl.
CPC ...
F02D 41/003 (2013.01); B60K 15/03 (2013.01); F02D 41/08 (2013.01); F02D 41/12 (2013.01); F02M 25/0836 (2013.01); F02M 35/10222 (2013.01); F02M 35/10373 (2013.01); B60K 2015/03243 (2013.01); F02M 25/0854 (2013.01);
Abstract
An evaporated fuel processing device that includes a pump configured to supply purge gas, which includes evaporated fuel in a fuel tank, to an intake passage of an engine through a purge passage; a controller configured to control the pump; and a detecting unit configured to acquire a gas amount introduced to the intake passage while the pump is being driven in a stable state where an air amount introduced from open air to the intake passage is stable, and configured to detect, by using change in the acquired gas amount, a state where the purge gas is unable to be normally supplied from the purge passage to the intake passage.