Title:
内燃機関の潤滑構造
Document Type and Number:
Japanese Patent JP6790896
Kind Code:
B2
Abstract:
A lubrication structure for an internal combustion engine includes an oil pump, a main gallery, an oil-supply passage, a sub gallery, and an oil-communication passage. The oil pump is installed in a crankcase configured by connecting an upper crankcase on a mating surface of a lower crankcase from above. The main gallery is provided in the lower crankcase for supplying oil from the oil pump to the engine. The oil-supply passage is provided in the lower crankcase and supplies oil from the main gallery to a mating-surface-oil passage of the mating surface. The sub gallery is provided in the upper crankcase for guiding oil to a piston jet that injects oil toward a piston of the engine. The oil-communication passage is provided across the lower and upper crankcases, branches from the oil-supply passage to communicate with the sub gallery, and guides oil in the oil-supply passage to the sub gallery.
Inventors:
Masaki Mori
Application Number:
JP2017027793A
Publication Date:
November 25, 2020
Filing Date:
February 17, 2017
Export Citation:
Assignee:
SUZUKI KABUSHIKI KAISHA
International Classes:
F01M1/06
Domestic Patent References:
| JP2010236522A | ||||
| JP201164116A | ||||
| JP2012117423A | ||||
| JP20072806A | ||||
| JP2004308775A | ||||
| JP8177484A |
Foreign References:
| US20160363040 |
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office