| 摘要 |
A rotary kinetic fluid device such as a pump, compressor or motor has a rotor with angularly related tandem piston assemblies therein whose axes are all disposed in a common plane and that are caused to reciprocate in the rotor by securement to bearing races that are eccentric to the rotor and concentric to each other. Diametrically opposed pistons are interconnected in tandem by connections that laterally overlie each other in the intersecting piston bores.
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