Rotary machine having axially biased ring for limiting radial va

Details Rotary machine having axially biased ring for limiting radial va Rotary machine having axially biased ring for limiting radial va

1989-08-16

1991-07-16

Vrablik, John J.

Rotary expansible chamber devices

Interconnected vanes

Interposed movable member interconnects plural vanes

418265, F01C 1344

Patent

active

050320700

ABSTRACT:
A rotary machine includes a housing having a rotor chamber and a rotor rotatably mounted in the rotor chamber. The rotor has longitudinal ends and a plurality of generally radially disposed vane slots extending between the longitudinal ends. A plurality of vanes are slidably mounted in the vane slots and operable to define variable volume chambers as the rotor rotates and the vanes move generally radially in and out of the vane slots. Rings are rotatably mounted on the housing and limiting devices are provided between the rings and the vanes and are operable to limit the extent of outward radial movement of the vanes from their respective vane slots during rotation of the rotor to preclude sliding contact between the vanes and the inner peripheral surface of the housing. Biasing springs on the housing are engageable with the rings and bias the rings in an axial direction toward the longitudinal ends of the rotor to thereby suppress axial oscillation of the rings and stabilize the rotation of the rings.

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