VARIABLE VALVE MECHANISM FOR INTERNAL COMBUSTION ENGINE

Title:

VARIABLE VALVE MECHANISM FOR INTERNAL COMBUSTION ENGINE

Document Type and Number:

Japanese Patent JP2020183707

Kind Code:

A

Abstract:

To prevent a link arm from being displaced to an unintended position at a timing when both fitted-in arms are not fitted into a spiral groove, and prevent an energizing structure which is provided therefor to be incorporated in a mechanism, from wearing with the rocking of a rocker arm.SOLUTION: An energizing structure 30 is provided for energizing a link arm 20 to a thrust position as a predetermined end in the rocker shaft length direction of the link arm 20 when displaced. The energizing structure 30 consists of a ball latch 37 to be energized by a coil spring 36, and a recessed catch 34 into which the ball latch 37 is fitted. The coil spring 36 and the ball latch 37 can be incorporated in a bottomed hole 35 formed in the rocker shaft 9 or the link arm 20.SELECTED DRAWING: Figure 5

Inventors:

YAMAGUCHI KOKI
MAESAKO TAKAYUKI
SUGIURA KEN
SHIMIZU KOICHI

Application Number:

JP2019087143A

Publication Date:

November 12, 2020

Filing Date:

April 30, 2019

Export Citation:

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Assignee:

OTICS CORP

International Classes:

F01L13/00; F01L1/18; F16H25/12

Attorney, Agent or Firm:

Matsubara etc.

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