Rotary vane pump with removable particulate collection chamber

Details Rotary vane pump with removable particulate collection chamber Rotary vane pump with removable particulate collection chamber

1992-09-10

1993-06-08

Bertsch, Richard A.

Rotary expansible chamber devices

With removal or accommodation of solid foreign material in...

417204, 417313, 418186, F04B 2310, F04C 2344

Patent

active

052173577

ABSTRACT:
A rotary vane pump has a hollow rotor and a stationary liquid distributor member within the hollow rotor center, within which member plural supply and discharge fluid paths are provided. An elliptical housing allows for any one pumping chamber defined between adjacent slidable vanes to undergo plural pumping cycles. The novel pump is suited to operate under conditions of low inlet pressure and high discharge pressure, and is usable with incompressible liquids. The elliptical housing is formed by a boundary ring located within a pump casing, the boundary ring having an elliptical inner surface and a cylindrical outer surface. The pump may selectively include structure for enabling separation of particulate material from pumped liquids by the use of centrifugal force. The particulate material enters an opening in the boundary ring, the opening being connected by a passageway in the pump casing to a removable particulate collection chamber connected to the pump casing.

REFERENCES:
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patent: 2504841 (1950-04-01), Jones
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patent: 3145662 (1964-08-01), Eickmann
patent: 3256831 (1966-06-01), Eickmann
patent: 3478887 (1969-11-01), Ohrberg
patent: 3932063 (1976-01-01), Butler
patent: 4578948 (1986-04-01), Hutson et al.
patent: 4808067 (1989-02-01), Saulgeot
patent: 5173041 (1992-12-01), Niimura

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