公开(公告)号：US5031591A

公开(公告)日：1991-07-16

申请号：US472394

申请日：1990-01-30

申请人： Akihisa Shinoda ,  Yoshikazu Yamada ,  Motohiro Fujita ,  Naoyuki Kamiya ,  Hirohisa Ishikawa ,  Ryoji Saiki ,  Yuichi Tokito ,  Makoto Yonezawa ,  Yoji Fujinaga

发明人： Akihisa Shinoda ,  Yoshikazu Yamada ,  Motohiro Fujita ,  Naoyuki Kamiya ,  Hirohisa Ishikawa ,  Ryoji Saiki ,  Yuichi Tokito ,  Makoto Yonezawa ,  Yoji Fujinaga

IPC分类号： F01L1/02 ,  F01P1/02 ,  F02B63/02 ,  F02B75/00 ,  F02B75/02 ,  F02B75/16

CPC分类号： F02B75/007 ,  F01L1/02 ,  F01L1/024 ,  F01P1/02 ,  F02B63/02 ,  F02B75/16 ,  F01L2001/0535 ,  F02B2075/027 ,  F02B2275/20 ,  F05C2201/021

摘要： An OHC vertical crankshaft engine, comprising: a vertically disposed crankshaft having a first timing pulley at its lower end; a cooling fan attached to an upper end of the crankshaft; a camshaft extending in parallel with the crankshaft at a cylinder head end of the engine and having a second timing pulley at its lower end; and a timing belt passed around the timing pulleys. Thus, the need for lubrication for the transmission mechanism between the crankshaft and the camshaft is substantially eliminated, and the noise generation is reduced. Additionally, since the upper part of the cylinder head is directly exposed to the cooling air produced by a fan provided at an upper end of the crankshaft, a high engine cooling efficiency can be achieved. This effect is even more enhanced if the exhaust port of the engine is disposed above the intake port and extends horizontally and linearly away from the engine.

摘要翻译： 一种OHC立式曲轴发动机，包括：垂直布置的曲轴，其下端具有第一正时皮带轮; 附接到曲轴的上端的冷却风扇; 凸轮轴在发动机的气缸盖端处与曲轴平行地延伸并且在其下端具有第二正时皮带轮; 并且定时皮带绕过定时皮带轮。 因此，基本上消除了对曲轴和凸轮轴之间的传动机构的润滑的需要，并且降低了噪声的产生。 此外，由于气缸盖的上部直接暴露于设置在曲轴的上端的风扇产生的冷却空气，所以能够实现高的发动机冷却效率。 如果发动机的排气口设置在进气口上方并且水平和线性地远离发动机延伸，则这种效果甚至更大。

公开(公告)号：US4590905A

公开(公告)日：1986-05-27

申请号：US729822

申请日：1985-05-02

申请人： Ikuo Matsuki ,  Naoyuki Kamiya ,  Toshimitsu Ikeda ,  Yoshiari Takagi ,  Yoshio Iizuka ,  Yoshinobu Yamaguchi ,  Hiroshi Funai ,  Mutsumi Terasawa ,  Susumu Tasaka

发明人： Ikuo Matsuki ,  Naoyuki Kamiya ,  Toshimitsu Ikeda ,  Yoshiari Takagi ,  Yoshio Iizuka ,  Yoshinobu Yamaguchi ,  Hiroshi Funai ,  Mutsumi Terasawa ,  Susumu Tasaka

IPC分类号： F01L13/08 ,  F02D13/04

CPC分类号： F01L13/085

摘要： A process and apparatus for controlling the decompression of an internal combustion engine for driving compressors, electric generators, and the like, the process including the steps of starting the engine with the decompression control engaged and the engine decompressed, partially activating the control when the engine reaches a first predetermined speed so that, as the speed is increased, the engine operates compressed, when the engine reaches normal operating speed, fully activating the control and, when the engine speed is decreased to a second predetermined speed below said normal operating speed but above said first predetermined speed, the control is reactivated for decompression operation of the engine until the engine stops. The apparatus comprises a decompression weight and subsidiary decompression weight, pivotally mounted for movement by centrifugal force relative to the engine cam shaft and interconnecting means for interconnecting the weights when the engine is started and until the engine reaches a first predetermined speed, releasing the weights, one from the other, above such predetermined speed, and re-engaging the weights after the engine is stopped.

摘要翻译： 一种用于控制用于驱动压缩机，发电机等的内燃机的减压的过程和装置，所述方法包括以下步骤：启动发动机，减压控制接合和发动机减压，当发动机 达到第一预定速度，使得随着速度的增加，发动机运行压缩，当发动机达到正常运行速度时，完全启动控制，并且当发动机速度降低到低于所述正常运行速度的第二预定速度，但是 高于所述第一预定速度，则重新启动控制以用于发动机的减压操作，直到发动机停止。 该装置包括减压重量和辅助减压重量，枢转地安装用于通过离心力相对于发动机凸轮轴运动;以及互连装置，用于当发动机启动时直到发动机达到第一预定速度，并释放重量， 一个在另一个之上，高于这样的预定速度，并且在发动机停止之后重新接合重物。