Suction and pumping apparatus

Details Suction and pumping apparatus Suction and pumping apparatus

1989-04-05

1991-07-16

Smith, Leonard E.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417193, 4544, F04F 548

Patent

active

050320599

ABSTRACT:
The present invention discloses a venturi pumping arrangement which is used to pump fluids or solutions with a high efficiency. The arrangement comprises an inner pipe and an outer pipe having a passage therebetween. The inner pipe is partially located in the venturi shaped profile of the outer pipe. A chamber has an inlet through which a fluid is passed under pressure which in turn passes through the passage which produces a reduced pressure within the outer pipe which causes a second fluid to be drawn through the inner pipe into the outer pipe. The clearance of the passage is able to be varied on the arrangement to provide variable load performance.

REFERENCES:
patent: 536415 (1895-03-01), Bogert
patent: 950774 (1910-03-01), Strain et al.
patent: 1854098 (1932-04-01), Black
patent: 2888191 (1959-05-01), Neumann et al.
patent: 3960175 (1976-06-01), Liepe et al.
patent: 4402094 (1983-09-01), Sanders
patent: 4602391 (1986-07-01), Shepherd
patent: 4928885 (1990-05-01), Nakao

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