Invention Grant
- Patent Title: Variable valve actuation device for internal combustion engine
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Application No.: US15833433Application Date: 2017-12-06
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Publication No.: US10267189B2Publication Date: 2019-04-23
- Inventor: Kaori Takehana , Yukio Konishi , Chikara Tanaka
- Applicant: HONDA MOTOR CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: Honda Motor Co., Ltd.
- Current Assignee: Honda Motor Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Armstrong Teasdale LLP
- Priority: JP2016-254052 20161227
- Main IPC: F01L1/14
- IPC: F01L1/14 ; F01L13/00 ; F01L1/18 ; F01L1/24 ; F01L1/46

Abstract:
A variable valve actuation device includes a plurality of valve lifter. Each valve lifter slidable in a lifter support hole between an upper position and a lower position. A valve rest recess communicating with a valve rest chamber opens out at an outer circumferential surface of the valve lifter, and a valve rest supply port of a valve rest passage opens out at an inner circumferential surface of the lifter support hole in such a positional relationship that the valve rest passage and the valve rest chamber communicate with each other when the valve lifter is at the upper position, and continue to communicate with each other until the valve lifter has moved downward to a shut-off position located at a prescribed part of a down stroke from the upper position. The communication between the valve rest passage and the valve rest chamber shut off at the shut-off position.
Public/Granted literature
- US20180179922A1 VARIABLE VALVE ACTUATION DEVICE FOR INTERNAL COMBUSTION ENGINE Public/Granted day:2018-06-28
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