Title:
CYLINDER BLOCK
Document Type and Number:
Japanese Patent JP2009209798
Kind Code:
A
Abstract:
To solve the problem of increasing consumption of lubricating oil when strain is caused in a liner, since a liner upper part is occasionally deformed in processing, in a cylinder block of a conventional semi-open deck structure.
In this cylinder block 100 of the semi-open deck structure, the thickness t2 of an upper part (a thick part 12b) of the liner 12 is constituted thicker than the thickness t1 of the other part of the liner 12. The thick part 12b is also arranged on the upper side more than a position of a top ring 4a when a piston 4 is positioned in the top dead center.
Inventors:
KITAGAWA TOMOAKI
Application Number:
JP2008054094A
Publication Date:
September 17, 2009
Filing Date:
March 04, 2008
Export Citation:
Assignee:
YANMAR CO LTD
International Classes:
F02F1/10; F16J10/04
Domestic Patent References:
JP2006002590A | 2006-01-05 | |||
JPS5851246A | 1983-03-25 | |||
JPH0861139A | 1996-03-05 | |||
JPH0544571A | 1993-02-23 | |||
JPH02153249A | 1990-06-12 | |||
JP2006177345A | 2006-07-06 | |||
JP2006002590A | 2006-01-05 | |||
JPS5851246A | 1983-03-25 | |||
JPH0861139A | 1996-03-05 | |||
JPH0544571A | 1993-02-23 |
Attorney, Agent or Firm:
Juichiro Yano