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. 15, 2018
Filed:
Jul. 08, 2014
Applicant:
Hino Motors, Ltd., Hino-shi, JP;
Inventor:
Munechika Tsutsumi, Tokyo, JP;
Assignee:
HINO MOTORS, LTD., Hino-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/22 (2006.01); F02D 41/02 (2006.01); G01N 15/06 (2006.01);
U.S. Cl.
CPC ...
F02D 41/221 (2013.01); G01N 15/06 (2013.01); F02D 41/029 (2013.01); F02D 2041/224 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/0604 (2013.01); Y02T 10/40 (2013.01);
Abstract
Disclosed is a device for detecting any fixed closure of a fuel shut-off valvewhich opens/closes a feed linefor feed of fuelto a fuel addition valve. The device is provided with a pressure sensorwhich detects a pressure of the fuelbetween the fuel addition and shut-off valvesandand a controllerwhich determines the fuel shut-off valveto be fixed closed when a detection value of the pressure sensorfalls below a threshold set depending on a rotation frequency of an engine.