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. 07, 2021
Filed:
Nov. 17, 2020
Mahle Electric Drives Japan Corporation, Shizuoka, JP;
Mahle International Gmbh, Stuttgart, DE;
Tomoaki Sekita, Shizuoka, JP;
Abstract
A driving control device for a fuel pump may include a valve-opening-rate calculating unit and a driving control unit. The valve-opening-rate calculating unit may be configured to calculate an injector valve opening rate. The injector valve opening rate may be an injection time of an injector per unit time. The driving control unit may be configured to set a voltage duty ratio of a driving voltage that should be applied to the fuel pump that supplies fuel in a fuel tank to a fuel pipe communicating with the injector. The driving control unit may be further configured to set the voltage duty ratio to a value that is proportional to the injector valve opening rate calculated via the valve-opening-rate calculating unit.