Suction generator

Details Suction generator Suction generator

1989-04-10

1990-06-12

Smith, Leonard E.

Pumps

One fluid pumped by contact or entrainment with another

Jet

55228, 239524, B01D 4706

Patent

active

049328425

ABSTRACT:
A suction apparatus useful as a vacuum pump, aerator or the like comprises a fluid inlet housing having a nozzle support plate which includes a plurality of nozzles having a discharge outlet located within a suction chamber. These nozzles each align with the passageway of a hollow suction tube having an inlet within the suction chamber and an outlet spaced from a deflector plate. A fluid such as liquid is ejected from the discharge outlet of the nozzles and in the course of passage into the suction tubes a negative pressure is created within the suction chamber which draws a second fluid such as air through the suction chamber and into the passageway of the suction tubes for combination with the liquid therein forming a combined liquid-gas fluid stream. This combined fluid stream is ejected from the outlet of the suction tubes and impacts the deflector plate which creates a back pressure causing the combined fluid stream to enlarge or expand within the suction tubes and form a liquid seal therein which substantially prevents the leakage of air from the outlet of the suction tubes into the suction chamber.

REFERENCES:
patent: 2358690 (1942-11-01), Decker
patent: 2892582 (1959-06-01), O'Rourke
patent: 3618772 (1971-11-01), Dietrick
patent: 3707067 (1972-12-01), Dietrick
patent: 4880357 (1989-11-01), Mathers

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