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1. 发明授权

US5485819A Internal combustion engine 失效
标题翻译：内燃机
公开(公告)号：US5485819A
公开(公告)日：1996-01-23
申请号：US285425
申请日：1994-08-04
申请人： Isao Joko , Toshiaki Kakegawa , Seiji Shundo
发明人： Isao Joko , Toshiaki Kakegawa , Seiji Shundo
IPC分类号： F01L13/06 , F02B75/02 , F02M25/07 , F02D13/04
CPC分类号： F01L1/181 , F01L13/065 , F02D13/0273 , F02D13/04 , F02M26/01 , F02B2075/027
摘要： An internal combustion engine has an engine-braking master piston for a first cylinder actuated by a first rocker arm which, in turn, is actuated by the inlet push rod of another cylinder and an exhaust-gas-recirculation master piston is provided which is actuated by a second rocker arm which, in turn, is actuated by the exhaust push rod of another cylinder. An oil passage selector valve is provided for selectively switching over the hydraulic pressures produced by the engine-braking master piston and exhaust-gas-recirculation master piston to an oil passage to actuate a slave piston and open an exhaust valve of the first cylinder. To effect engine braking, the exhaust valve of the first cylinder opens as the piston is near its top dead center position at the end of the compression stroke or at the beginning of the expansion stroke. To effect exhaust-gas-recirculation, the exhaust valve of the first cylinder opens as the piston is near the end of its suction stroke and part of the high pressure exhaust gases from the other cylinder flow back into the first cylinder.
摘要翻译：内燃机具有用于由第一摇臂致动的第一气缸的发动机制动主活塞，第一摇臂由另一气缸的入口推杆致动，并且提供排气 - 再循环主活塞，其被致动通过第二摇臂，其又由另一气缸的排气推杆致动。提供一种油路切换阀，用于选择性地将由发动机制动主活塞和排气再循环主活塞产生的液压切换到油路以致动从动活塞并打开第一气缸的排气阀。为了实现发动机制动，当压缩冲程结束时或在膨胀冲程开始时，第一气缸的排气阀在活塞靠近其上止点位置时打开。为了实现废气再循环，当活塞接近其吸入行程的末端时，第一气缸的排气阀打开，并且来自另一气缸的高压废气的一部分流回到第一气缸中。

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