MEHRKAMMERIGE ROTIERENDE LAPPENMASCHINE FÜR FLUIDE MIT ZWANGSLÄUFIG GLEITENDEN DICHTUNGEN

摘要

A rotary fluid machine including a rotor provided with a plurality of lobes, a ring surrounding the rotor and with the lobes defining a plurality of chambers, a housing surrounding the ring and provided with a plurality of depressions which together with the ring define a plurality of chambers, a plurality of sealing vanes extending through the ring and engaging with the outer surface of the rotor and an inner surface of the housing, and fluid passages provided in the ring adjacent the sealing vanes with alternate fluid passages connected together.