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Patent Searching and Data


Title:
VALVE GEAR OF ENGINE
Document Type and Number:
WIPO Patent Application WO/2021/019846
Kind Code:
A1
Abstract:
Provided is a valve gear which is for an engine and in which the lubricity of a valve driving part increases. A rocker arm 2 is provided with: an arm part 5 oriented so as to intersect with a pivot 1; an input part 6 on one end side of the arm part 5; an output part 7 on the other end side of the arm part 5; and a boss part 8 for oil outflow. The boss part 8 for oil outflow is provided with: an oil outflow surface 9 formed on an upper surface; an oil outflow hole 10 open in a central area of the oil outflow surface 9; a peripheral surface 8a; and a boundary edge 11 formed at the boundary between the oil outflow surface 9 and the peripheral surface 8a. The boundary edge 11 is provided with an input part-side edge 12 on the input part 6 side and is configured so that engine oil 13 overflowed from the oil outflow hole 10 to the oil outflow surface 9 flows down from the input part-side edge 12 so as to be supplied to a valve driving part 3 on the input part 6 side.

Inventors:
YAMAUCHI MAKOTO (JP)
HASEGAWA SATOSHI (JP)
HIRAKAWA YUKI (JP)
KORENAGA SHOTARO (JP)
YAMAMOTO NOBUHIRO (JP)
Application Number:
PCT/JP2020/016418
Publication Date:
February 04, 2021
Filing Date:
April 14, 2020
Export Citation:
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Assignee:
KUBOTA KK (JP)
International Classes:
F01L1/14; F01L1/18
Foreign References:
JP2004137999A2004-05-13
JP2580163Y21998-09-03
JP2001263031A2001-09-26
JP2016191333A2016-11-10
JPH0532701U1993-04-30
JPH0447114U1992-04-22
Attorney, Agent or Firm:
SUZUE Shoji (JP)
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