Two-shift fluid machine

Rotary expansible chamber devices – Interengaging rotating members – Like rotary members

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Details

4182061, 418189, 418180, 418191, F04C 1800

Patent

active

061427594

ABSTRACT:
In a Roots displacement fluid machine (5) comprising rotors (15, 17) meshed with each other in a tooth trace (57, 59) formed in parallel to a rotating central axis, and a casing (13) having a rotor chamber (33) rotatably receiving the rotors (15, 17), a fluid inlet port for a fluid and a fluid outlet port, an inclined surface (67) forming an angle .theta. with respect to an opposing surface (65) of the rotor chamber (33) is disposed at least in a tip end of the end portion of the rotor (15), and a gap (69) is formed with respect to the opposing surface (65).

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