Rotary expansible chamber devices – Moving cylinder – Rotating
Patent
1988-10-28
1991-12-17
Vrablik, John J.
Rotary expansible chamber devices
Moving cylinder
Rotating
418177, 418258, 418269, F01C 134, F01C 1100, F01C 1900
Patent
active
050730975
ABSTRACT:
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.
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