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1. 发明授权

US5624247A Balance type scroll fluid machine 失效
标题翻译：平衡式涡旋流体机
公开(公告)号：US5624247A
公开(公告)日：1997-04-29
申请号：US491191
申请日：1995-06-15
申请人： Mitsuo Nakamura
发明人： Mitsuo Nakamura
IPC分类号： F04C18/02 , F04C23/00 , F01C1/04
CPC分类号： F04C23/001 , F04C18/0215 , F04C18/0223 , F04C18/0253
摘要： Both ends of a circling scroll are supported by a pin crank and the eccentric shaft of the circling scroll, thus assuring a stable circling or oscillating motion of the scroll. This in turn allows the scroll tooth length to be elongated, leading to an increase in the capacity of the fluid machine. Because the eccentric shaft and the pin crank are fitted into the center boss, the pin crank can work as a shaft that supports the left end of the circling scroll. The provision of the boss allows a radial load acting on the scroll tooth to be borne at the load position, thus shortening the shaft and reducing the bearing. Because the pin crank can be mounted to the boss, a two-block parallel arrangement and two-stage arrangement can be implemented easily. Further, the construction in which the pin crank is used as a left-end supporting bearing contributes to reducing the manufacturing cost of the apparatus.
摘要翻译：旋转涡卷的两端由一个针脚和圆盘形的涡卷的偏心轴支撑，从而确保了涡卷的稳定的盘旋或摆动运动。这又允许涡旋齿长度增长，导致流体机器的容量增加。由于偏心轴和销脚曲柄被装配到中心凸台中，所以曲柄可以作为支撑盘旋的左端的轴工作。凸台的设置允许作用在涡旋齿上的径向载荷承载在载荷位置，从而缩短轴并减小轴承。由于针脚可以安装到凸台上，所以可以容易地实现两块平行布置和两级布置。此外，将销曲柄用作左端支撑轴承的结构有助于降低装置的制造成本。

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