Title:
LUBRICATION STRUCTURE OF VARIABLE VALVE DEVICE
Document Type and Number:
Japanese Patent JP2017180401
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a simple lubrication structure of variable valve device capable of efficiently supplying oil to a lubrication portion necessary for a cam.SOLUTION: A lubrication structure of a variable valve device is configured such that in a cam shaft 42, an oil supply passage 42h is formed along a central axis, and a cam communication oil hole 42hb is bored at the same axial direction as a valve 41 from the oil supply passage 42h to an outer peripheral surface in a radiation direction; in a cam carrier 43, cam oil supply holes 43Ah, 43Bh are bored at cam lobes 43A, 43B from inside to a cam surface in the radiation direction; and the cam oil supply holes 43Ah, 43Bh of the cam lobes 43A, 43B moved to a position of operating for the valve 41 of the cam carrier 43 communicate with the cam communication oil hole 42hb of the cam shaft 42.SELECTED DRAWING: Figure 10
Inventors:
KATAOKA MASARU
TAKADA YOSHIHIRO
TAKADA YOSHIHIRO
Application Number:
JP2016071901A
Publication Date:
October 05, 2017
Filing Date:
March 31, 2016
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F01L13/00; F01L1/04; F01M1/06; F01M9/10
Domestic Patent References:
| JP2005042717A | 2005-02-17 | |||
| JP2014134165A | 2014-07-24 | |||
| JP2000073731A | 2000-03-07 |
Attorney, Agent or Firm:
Junko Kanzawa
Nozomi Gangwon
Nakamura Kun
Nozomi Gangwon
Nakamura Kun