BALANCE DEVICE OF INTERNAL COMBUSTION ENGINE

Title:

BALANCE DEVICE OF INTERNAL COMBUSTION ENGINE

Document Type and Number:

Japanese Patent JP2018091239

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a balance device of an internal combustion engine which can reduce stress acting on a contact face between guide grooves for guiding a rod and support shafts.SOLUTION: A balance device of an internal combustion engine comprises: a first wall part 9 opposing a first side face of a rod 7 at one side; a second wall part 10 opposing a second side face of the rod 7 at the other side; a first guide groove 13 which is formed at the first wall part 9 while being oriented toward a linear line direction in which a rotation center of a crankshaft 2 and a rotation center of a balance shaft 12 are connected to each other; a second guide groove 14 which is formed at the second wall part 10 while being oriented toward a linear line direction in which the rotation center of the crankshaft 2 and the rotation center of the balance shaft 12 are connected to each other; a first support shaft 17 which is integrated with the first side face, and whose tip is inserted into the first guide groove 13; and a second support shaft 18 which is integrated with the second side face, and whose tip is inserted into the second guide groove 14.SELECTED DRAWING: Figure 1

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Inventors:

SENOO TAKAKI
KAMIYAMA EIICHI

Application Number:

JP2016235815A

Publication Date:

June 14, 2018

Filing Date:

December 05, 2016

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

F02B77/00; F02B67/04; F16F15/26

Attorney, Agent or Firm:

Watanabe strong

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