Self-lubricating rotary vane pump

Details Self-lubricating rotary vane pump Self-lubricating rotary vane pump

1987-10-26

1989-04-11

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418178, 418179, 384279, 384298, 384300, F04C 18344, F04C 2900, F16C 3324

Patent

active

048201405

ABSTRACT:
The invention comprises a rotary pump with sliding vanes with a self-lubricating solid coating covering the exterior end facing surfaces of the rotor and end facing surfaces of air transfer end plates. Additionally disclosed herein is a rotary pump with sliding vanes with a pair of bushings centrally located in the rotor with the internal bearing facing surfaces of the bushings covered with a self-lubricating solid coating.

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