Vertical single blade rotary pump

Details Vertical single blade rotary pump Vertical single blade rotary pump

1987-03-12

1991-04-09

Vrablik, John J.

Rotary expansible chamber devices

Working chamber surface expressed mathematically

418255, F04C 2344

Patent

active

050060538

ABSTRACT:
The invention relates to rotary vane type Positive Displacement Pumps having rotating slotted shaft in which is inserted single blade whose both ends touch the stationary shell assembly at all times because the blade's length substantially fits between the two intercepted interior surfaces of the shell assembly, thus maintaining separate suction (low pressure) and discharge (high pressure) regions always. The rotation of the shaft and the limited boundary imposed by the shell assembly actuate the blade to oscillate in the slot of the shaft while sweeping round the pumping chamber effecting continuous enlargement of the suction region and contraction of discharge region, with the end result of pumping liquid at constant flow per shaft rotation irrespective of head and pump power output.

REFERENCES:
patent: 118366 (1871-08-01), Hege
patent: 802843 (1905-10-01), Corelison
patent: 861937 (1907-07-01), Beach
patent: 899040 (1908-09-01), Gill
patent: 914022 (1909-03-01), Darlington
patent: 1442198 (1923-01-01), Utley
patent: 1715629 (1929-06-01), Shore
patent: 1952834 (1934-03-01), Beidler et al.
patent: 2278740 (1942-04-01), Roessler
patent: 2903971 (1959-09-01), Collins
patent: 4097205 (1978-06-01), Miles

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