LINKAGE ROD AND CROSS-HEAD TYPE ENGINE PROVIDED WITH LINKAGE ROD

Japanese Patent JP2017133541

A

PROBLEM TO BE SOLVED: To restrict a pressure deformation of a bearing metal by a recess at an oil supply passage or an oil supply groove and the like formed at a bearing surface at the end part of a linkage rod while preventing the bearing metal from being excessively thickened.SOLUTION: A linkage rod 18 includes recesses 15, 16 formed at a bearing surface 8a of its end part 8A and a half-split cylindrical bearing metal 11A installed at the bearing surface 8a, H is set to have a relation of H>d*α, where d is an opening width size of the recesses 15, 16 and H is a thickness size of the bearing metal 11A and a range of coefficient α corresponds to any one of following values: [a] when recesses are a hole and a groove and the opening width size [d] is less than 10 mm, α>0.6; [b] when recesses are a hole and a groove and the opening width size [d] is more than 10 mm and less than 40 mm, α=0.8; [c] when recess is only a hole and the opening width size [d] is less than 10 mm, α>0.5; and [d] when a recess is only a hole and the opening width size [d] is more than 10 mm and less than 40 mm, α>0.6.SELECTED DRAWING: Figure 1

NISHIDA HIDEAKI
SHIGIHARA TAKUZO

JP2016011904A

August 03, 2017

January 25, 2016

Click for automatic bibliography generation  

MITSUBISHI HEAVY IND LTD

F16C9/04; F02B61/04; F02B75/32; F02B77/00; F16C7/02; F16C17/02; F16C33/10

Noriharu Fujita
Miori Takao
Kawakami Miki
Takayuki Ishimoto
Daisuke Nagata

Previous Patent: An increase method in bundle cost of a seal device and a seal device

Next Patent: Valve device