Air pump

Details Air pump Air pump

1998-12-04

2000-08-08

Walberg, Teresa

Pumps

Combined

417152, 417181, F04B 1900, F04F 544

Patent

active

060992662

ABSTRACT:
An air pump (10) having a separation chamber (15) defined by a top wall (11), a bottom wall (12) and generally annular side walls (13). A liquid entry tube (24) configured to draw air into a stream of liquid passing through the liquid entry tube is coupled to the separation chamber so that the air/liquid mixtures rotates within the separation chamber. The rotation of the mixture causes air to accumulate within a central zone (30) and the liquid to accumulate about a peripheral zone (31). The continued flow of the mixture causes the accumulating air to become pressurized where it is released through an air exit tube (20) in fluid communication with the central zone of the separation chamber. The liquid is expelled through a liquid exit port (18).

REFERENCES:
patent: 1005288 (1911-10-01), O'leary
patent: 1658797 (1928-02-01), Charette
patent: 1661002 (1928-02-01), McClymont et al.
patent: 1968716 (1934-07-01), Smith
patent: 5478209 (1995-12-01), McDonough

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