To reduce meshing sound of gears connecting a crank shaft and an eccentric shaft.
A vertical, multi-link, adjustable-stroke type engine 10 having a crankshaft 12 with an axis line 12a thereof oriented in a substantially vertical direction includes: a lubricating oil passage 120 provided in a cylinder barrel 16 for supplying lubricating oil to a lower shaft end portion 16 of a crankshaft 16 and upper and lower shaft end portions 66b, 66c of an eccentric shaft 66, which is provided in a crank case 15 and changes an intake stroke and compression stroke of a piston 13, so as to pre-press the crankshaft and the eccentric shaft in a predetermined direction; or a lubricating oil passage 140 for supplying lubricating oil to the lower shaft end portion 66c of the eccentric shaft 66 so as to pre-press the eccentric shaft in a predetermined direction.
TOKUBI KOTA
SUGI KOTARO
JPS5965911U | 1984-05-02 | |||
JPH021409U | 1990-01-08 | |||
JPH0953431A | 1997-02-25 | |||
JPH0378511A | 1991-04-03 | |||
JP2007321747A | 2007-12-13 | |||
JP2009281242A | 2009-12-03 | |||
JP2008064056A | 2008-03-21 | |||
JPS61162507U | 1986-10-08 | |||
JPS5965911U | 1984-05-02 | |||
JPH021409U | 1990-01-08 | |||
JPH0953431A | 1997-02-25 | |||
JPH0378511A | 1991-04-03 | |||
JP2007321747A | 2007-12-13 |
Norimasa Shimoda
Katsuhiko Sumiyoshi
Tadanori Masanori
Toshitake Nozaki
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