Rotary vane pump with passage to the rotor and housing interface

Details Rotary vane pump with passage to the rotor and housing interface Rotary vane pump with passage to the rotor and housing interface

1980-11-14

1983-06-21

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418100, 418102, F01C 100, F01C 2104, F04C 2902

Patent

active

043891705

ABSTRACT:
A passage leads from a high pressure discharge zone of a vane pump to an interface defined between the surface of the rotor of the pump and an arcuate contact surface formed in the inner wall of the pump housing to supply fluid under pressure to the interface for lubricating same.

REFERENCES:
patent: 2816702 (1957-12-01), Woodcock
patent: 3560120 (1971-02-01), Gannaway et al.
patent: 4279578 (1981-07-01), Kim et al.

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