Rotary vane pump

Details Rotary vane pump Rotary vane pump

1995-04-26

1997-04-01

Bertsch, Richard A.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and vane

F01C 1902

Patent

active

056160208

ABSTRACT:
A rotary vane pump comprising a housing having an inner cam surface defining a chamber and an inlet and an outlet port establishing fluid communication. A plurality of vanes are arranged substantially radially about a central vane axis of rotation. A rotatable carousel rotor is positioned on a drive axis displaced a predetermined distance from the central vane axis. The carousel has slot members positioned in it for reciprocally carrying each vane during the rotation of the vane. A one-piece central rotor gear is rotatably mounted on the central axis for pivotally coupling each vane at a point offset from the vane axis to establish rocking lever action between the carousel and the vanes upon rotation of the vanes.

REFERENCES:
patent: 1012155 (1911-12-01), Ragsdale
patent: 1270522 (1918-06-01), Jacobsen
patent: 1385880 (1921-07-01), Master
patent: 1736105 (1929-11-01), Washington
patent: 2243898 (1941-06-01), Fulcher
patent: 2778317 (1957-01-01), Cockburn
patent: 4024840 (1977-05-01), Christy
patent: 4678413 (1987-07-01), Ries

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