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Planetary gear pump or motor - has chambers between planet wheels meshing inside contoured housing and with precessing eccentric sun wheel
Planetary gear pump or motor - has chambers between planet wheels meshing inside contoured housing and with precessing eccentric sun wheel
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机译：行星齿轮泵或马达-行星齿轮之间的腔室与轮廓化的壳体内部啮合，并带有进动偏心太阳轮
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摘要
The planetary gear pump or motor comprises a housing (1) in which a central pinion (4) meshes with the internal gear teeth of an eccentric sun wheel (3). External gear teeth on the sun wheel mesh with (three) planet gear wheels (2) which, in turn, mesh with internal gear teeth arranged in the housing on a contour determined by the precession of the sun wheel. The planet wheels define sealed chambers with cyclically varying volumes between them and the housing is provided with inlet and outlet ports. The arrangement permits its use as a motor or combustion engine, or as pump, vacuum pump or compressor.
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