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1. 发明授权

US4697991A Rotary pump having clutch which selects suitable power source 失效
标题翻译：旋转泵具有选择适当电源的离合器
公开(公告)号：US4697991A
公开(公告)日：1987-10-06
申请号：US869860
申请日：1986-05-23
申请人： Kengi Tsukahara , Kazuma Matsui , Taizoh Abe , Masahiko Suzuki
发明人： Kengi Tsukahara , Kazuma Matsui , Taizoh Abe , Masahiko Suzuki
IPC分类号： F04B17/05 , F04B1/06 , F16D9/00
CPC分类号： F04B17/05 , Y10T403/11
摘要： As a rotary pump, which is typically provided on an automobile, is provided with two alternative sources of motive power, typically including a driving connection to the automotive engine, and driving connection to an electric motor. These driving connections may be unidirectionally clutched in such a manner as to cause the electric motor to drive the rotary pump only when the pump is to be driven but the automotive engine is not operating up to a predetermined speed. Typically, the rotary pump is of the eccentrically mounted rotor type having radially outwardly protruding spring-loaded pistons effectively in contact with a camming ring. A slider is shown provided between the housing and the ring for effectively varying the magnitude of eccentricity of the rotor and thus for effectively smoothly varying the capacity of the pump.
摘要翻译：作为通常设置在汽车上的旋转泵，设置有两种动力源，通常包括与汽车发动机的驱动连接，以及驱动与电动机的连接。这些驱动连接可以以这样的方式单方向地离合，即仅当泵被驱动但是汽车发动机不工作到预定速度时才使电动机驱动旋转泵。通常，旋转泵是偏心安装的转子类型，其具有径向向外突出的弹簧加载的活塞，其有效地与凸轮环接触。示出了设置在壳体和环之间的滑块，用于有效地改变转子的偏心度的大小，从而有效地平滑地改变泵的容量。

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