Vacuum inducing pump

Details Vacuum inducing pump Vacuum inducing pump

1994-06-27

1995-10-03

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417151, 417194, 239432, F04F 544, F04F 500, B05B 706

Patent

active

054546966

ABSTRACT:
A jet pump includes a power fluid inlet, a pumped fluid inlet having a conduit therein, a fluid outlet and a downstream structure of generally frustoconical shape having a small end adjacent the pumped fluid inlet conduit, a large end downstream of the small end and a central passage. In several embodiments, the downstream structure is a series of washer like rings of increasing size. In other embodiments, the downstream structure is a solid body. Several embodiments include an upstream structure having a central power fluid inlet conduit sealed relative to the pump housing having a disc thereon downstream of the pumped fluid inlet. The disc provides a series of passages in the form of notches in the disc periphery or openings through the disc body.

REFERENCES:
patent: 842100 (1907-01-01), von Lindenstamm
patent: 2172522 (1939-09-01), Sline
patent: 3923247 (1975-12-01), White

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