Non-contact vane-type fluid displacement machine with rotor and

Details Non-contact vane-type fluid displacement machine with rotor and Non-contact vane-type fluid displacement machine with rotor and

1994-06-28

1996-10-01

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

418178, 418179, 418265, F01C 1344

Patent

active

055607411

ABSTRACT:
A non-contact vane-type fluid-displacement machine includes a stator housing having an annular interior surface defining an interior bore and a rotor supported in an eccentric position in the interior bore of the stator housing relative to the annular interior surface thereof to undergo rotation relative to the stator housing about a central rotational axis. The rotor has a plurality of slots radially defined therein relative to the rotational axis. The machine also has a plurality of vanes disposed in the radial slots of the rotor. The vane is mounted to the rotor to undergo reciprocable movement in a radial direction relative to the rotational axis of the rotor such that an outer tip portion of the vane is maintained in a non-contacting substantially sealed relationship with the annular interior surface of the stator housing. Improved features of the machine, which relate to rotor and vane positioning, include a pair of thin compliant lubricous discs employed at opposite ends of the rotor, trepanned formations on the rotor end surfaces balancing the pressure on the vanes carried in slots of the rotor, and the vanes on the rotors being self-forming self-dimensioning composite assemblies.

REFERENCES:
patent: Re24932 (1961-01-01), Davey
patent: 2003615 (1935-06-01), Smith et al.
patent: 2590132 (1952-03-01), Scognamillo
patent: 3044687 (1962-07-01), Davey
patent: 4209286 (1980-06-01), Schwartz
patent: 4518333 (1985-05-01), Seki et al.
patent: 5181844 (1993-01-01), Bishop et al.

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