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. 09, 2019
Filed:
Mar. 24, 2016
Keihin Corporation, Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Sachio Hojo, Shioya-gun, JP;
Youichiro Shikine, Shioya-gun, JP;
Masatomo Yoshida, Shioya-gun, JP;
Kensuke Yamamoto, Utsunomiya, JP;
Akihito Inoue, Nasukarasuyama, JP;
KEIHIN CORPORATION, Tokyo, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
A valve control device controls an actuator for operating a valve based on a signal indicating a degree of opening of the valve and a signal indicating starting of an engine for which the valve. The valve control device includes a fully closed learning processing unit configured to learn a seated position at which a valve body is seated on a valve seat whenever the engine is started on the basis of the startup signal and the degree-of-opening signal, and a target value setting unit configured to set a soft-landing initiation position when the valve body is seated based on the seated position and set a target value with the valve body is decelerated from the soft-landing initiation position, and the valve body is seated at a predetermined seating speed. A control driving unit is configured to generate a drive signal based on the target value and the degree-of-opening signal.