Multi-cylinder internal combustion engine

专利名称：Multi-cylinder internal combustion engine发明人：Kenichi Ohmori,Akifumi Nomura申请号：US12649924申请日：20091230公开号：US08522742B2公开日：20130903

专利附图：

摘要：To reduce the height of a crankcase by arranging a communicating passage in aproper position and to miniaturize an engine in a multi-cylinder internal combustionengine provided with an upper crankcase integrated with a cylinder block or providedseparately from the cylinder block on the downside of the cylinder block and a lower

crankcase connected to a lower part of the upper crankcase and provided with a

communicating passage that communicates with internal spaces of plural crank chamberscorresponding to plural cylinders. In the multi-cylinder internal combustion engine, acommunicating hole that communicates with the communicating passage is provided onat least either side of the upper crankcase or the lower crankcase, and a cover formingthe communicating passage is arranged with the cover covering the communicating holeand is attached to both crankcases across a joined plane of the upper crankcase and thelower crankcase.

申请人：Kenichi Ohmori,Akifumi Nomura

地址：Saitama JP,Saitama JP

国籍：JP,JP

代理机构：Birch, Stewart, Kolasch & Birch, LLP

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