发明名称 |
PISTON FOR AUXILIARY CHAMBER-TYPE GAS ENGINE AND AUXILIARY CHAMBER-TYPE GAS ENGINE |
摘要 |
To provide a piston for a prechamber-type gas engine and a prechamber-type gas engine taking into consideration the shape of the piston top surface portion so that the region where flame propagation due to torch jet is delayed, a piston for a prechamber-type gas engine where torch jet formed by combustion a prechamber fuel in a precombustion chamber is injected to a main combustion chamber through a plurality of injection holes, includes a piston top surface portion having a land portion formed in a first region extending between axis line directions of adjacent injection holes, and the first region is positioned at a higher position than a second region extending across the axis line direction. The land portion is formed on a cavity formed in the piston top surface portion. A plurality of land portions are provided corresponding to the plurality of injection holes, and the plurality of land portions are provided so as to be offset toward a same direction from a middle position between axis line directions of adjacent injection holes. |
申请公布号 |
EP3056710(A1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20140851622 |
申请日期 |
2014.10.08 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
NOMURA, KAZUTOSHI;HIRAOKA, KENJI;YUUKI, AKIHIRO;YAMADA, SATOSHI |
分类号 |
F02B19/00;F02B19/16;F02F3/26 |
主分类号 |
F02B19/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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