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Title:
CROSSHEAD AND CROSSHEAD-TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2020/070998
Kind Code:
A1
Abstract:
A crosshead (4) that comprises a lubricant passage (50) that distributes lubricating oil to a piston rod (21) and a connecting rod (25). The lubricant passage (50) has: an introduction channel (51) that extends from an outer surface of a crosshead pin (41) to the inside; a first branch channel (52) that branches from the introduction channel (51) and communicates with an oil channel (21b) that is provided inside the piston rod (21); and a second branch channel (53) that branches from the introduction channel (51) and communicates with an oil channel (25b) that is provided inside the connecting rod (25). The first branch channel (52) and the second branch channel (53) communicate with each other as viewed in a cross-section that passes through the piston rod (21) and the connecting rod (25).

Inventors:
ASADA NAOHIKO (JP)
Application Number:
JP2019/032653
Publication Date:
April 09, 2020
Filing Date:
August 21, 2019
Export Citation:
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Assignee:
JAPAN ENGINE CORP (JP)
International Classes:
F16C9/04; F01M1/06; F16C5/00; F16C33/10
Foreign References:
JP2007532845A2007-11-15
JP2018031291A2018-03-01
JPH0327808U1991-03-20
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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