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1. 发明授权

US07066162B1 Method and apparatus for quick starting a rope-start two-stroke engine 有权
标题翻译：快速启动起重二冲程发动机的方法和装置
公开(公告)号：US07066162B1
公开(公告)日：2006-06-27
申请号：US09579973
申请日：2000-05-26
申请人： Paul Tat-Keung Ng
发明人： Paul Tat-Keung Ng
IPC分类号： F02P7/077 , F02P11/00
CPC分类号： F02P7/077 , F02D2041/0092 , F02D2250/06 , F02N3/02 , F02N2250/04 , F02P7/067 , F02P7/07
摘要： The period required to start a rope-start, two-cycle engine is reduced by enabling the engine's firing sequence to be initiated immediately upon determining the absolute rotational position of the engine and before determining the engine's direction of rotation. The rotational direction of the engine is then determined, and the firing sequence is disabled if the engine is counter-rotating. In this manner, the firing sequence is enabled much sooner in the engine's cycle than if the engine's rotational direction were determined before the firing sequence is enabled. The engine therefore starts more quickly. The method is particularly useful in battery-less engines which experience a delay in start-up due to the fact that the engine must rotate through at least part of a revolution before generating enough electrical power to operate the computer controlling operation of the engine. It is also particularly useful in short-pull engines in which manual actuation of a rope or other manually-powered starting mechanism drives the engine to rotate through no more than three-to-five revolutions.
摘要翻译：通过在确定发动机的绝对旋转位置并确定发动机的旋转方向之前，能够立即启动发动机的起动顺序，来启动起动双循环发动机所需的时间。然后确定发动机的旋转方向，并且如果发动机反向旋转，则启动顺序被禁用。以这种方式，发动机的循环可以比在启动点火顺序之前确定发动机的旋转方向的时间早得多。因此，发动机更快地启动。该方法在无电池发动机中特别有用，因为在产生足够的电力以操作计算机控制发动机的操作之前，由于发动机必须旋转至少一部分旋转，因此在起动中经历延迟。它也适用于短拉力发动机，其中手动致动绳索或其他手动起动机构驱动发动机旋转不超过三至五圈。

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