Title:
内燃機関
Document Type and Number:
Japanese Patent JP7380924
Kind Code:
B2
Abstract:
To provide an internal combustion engine that can be manufactured at low cost and be downsized by simplifying its lubrication system in the crankcase. An engine 9 includes: a crankcase; a cylinder equipped with a cylinder bore; a crankshaft; a balancer mechanism for reducing vibration of the engine by power transmitted from the crankshaft; a breather chamber provided on a top surface of the crankcase and disposed behind the cylinder; and a lubrication system for supplying lubricating oil to the crankshaft and the balancer mechanism. The balancer mechanism includes a first balancer disposed at a position farther from the cylinder bore than an idler gear. The lubrication system includes a balancer lubricating-oil passage branching off from a main gallery and reaching the first balancer across the breather chamber in a plan view.
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Inventors:
Masaki Mori
Application Number:
JP2023002620A
Publication Date:
November 15, 2023
Filing Date:
January 11, 2023
Export Citation:
Assignee:
Suzuki Motor Corporation
International Classes:
F02B77/00; F01M1/06; F16F15/26
Domestic Patent References:
| JP2007078080A | ||||
| JP4276109A | ||||
| JP2011021522A | ||||
| JP2007077851A |
Foreign References:
| WO2014010653A1 |
Attorney, Agent or Firm:
Patent Attorney Tokyo International Patent Office
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