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:
Dec. 08, 2020
Filed:
Dec. 05, 2018
Honda Motor Co., Ltd., Tokyo, JP;
Shoji Sasaki, Wako, JP;
Kazunori Kawamura, Wako, JP;
Kazuhiro Kobayashi, Wako, JP;
Akira Kobayashi, Wako, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
In the communication interruption state in which the transmission of a drive control command value DUTY from an engine control unit (ECU)to a fuel pump driver (FPD)is disabled, the FPDis configured so as to drive a fuel pumpby using the maximum command value DTYMAX (100%) as a drive control command value DUTY. A stop state of the fuel pumpis maintained even if the drive control command value DUTY is the maximum command value DTYMAX when an ignition switchis in the OFF State so as to have stopped the fuel pump, while the fuel pumpis driven when the ignition switchis in the ON state and the drive control command value DUTY is the maximum command value DTYMAX.