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公开(公告)号：KR1019930003083B1
公开(公告)日：1993-04-17
申请号：KR1019900013482
申请日：1990-08-30
Applicant: 한국과학기술연구원
IPC: F02F3/26
CPC classification number: F02B23/0669 , F02B3/06 , F02B23/0621 , F02B23/0624 , F02B23/0651 , F02B23/0681 , F02B23/0696 , F02B2275/14 , F02B2275/40 , Y02T10/123 , Y02T10/125
Abstract: The combustion chamber formed in the upper end of the piston of the diesel engine and, more particularly, a geometrical shape of a combustion chamber of a piston. The combustion chamber includes a main combustion chamber and auxiliary chambers. The main combustion chamber has a diameter d in the range of 0.522-0.552 times the piston diameter (D). The auxiliary chamber has a tunnel like shape having a half-circle shaped cross section having a base line with a radius in the range of 0.095D-0.200D or 0.179D-0.370D from the upper end to the lower end of the side wall of the main combustion chamber of the piston cavity. The above half- circle is centered at a point where it is on a circumference whose radius is in the range of 0.105D-0.238D or 0.190d-0.446d from the centre of the main combustion chamber circle and is located in between two sprays.
Abstract translation: 形成在柴油发动机的活塞的上端的燃烧室，更具体地，是活塞的燃烧室的几何形状。 燃烧室包括主燃烧室和辅助室。 主燃烧室的直径d在活塞直径（D）的0.522-0.552倍的范围内。 辅助室具有具有半圆形截面的隧道状形状，其具有从侧壁的上端到下端的半径在0.095D-0.200D或0.179D-0.370D范围内的基线 的活塞腔的主燃烧室。 上述半圆的中心位于其半径在主燃烧室圆的中心的半径在0.105D-0.238D或0.190d-0.446d范围内的圆周上，位于两个喷雾之间 。
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