Diaphragm air pump assembly

Details Diaphragm air pump assembly Diaphragm air pump assembly

1980-01-17

1982-05-11

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

91306, 91313, F04B 4306, F01L 2300

Patent

active

043291236

ABSTRACT:
A diaphragm air pump assembly in pneumatic association with a vacuum source and an atmospheric air source includes therein two vacuum operational chambers and two pump chambers defined by two interconnected diaphragms upon admission of vacuum to one of the vacuum operated chambers and atmospheric air to the other vacuum operated chamber the diaphragms are moved in one direction due to pressure difference thereby compressing and exhausting the air contained in one of the pump chambers as well as opening one of two normally closed valves. The vacuum is thus admitted into the other vacuum operational chamber while atmospheric air is supplied to one vacuum operated chamber, so that the diaphragms are moved in the other direction thereby compressing and exhausting the air contained in the other pump chamber as well as opening the other normally closed valve. A periodical reciprocation of the diaphragms will accomplish the pumping operation.

REFERENCES:
patent: 1161787 (1915-11-01), Nickol
patent: 1920014 (1933-07-01), Horton et al.
patent: 3282167 (1966-11-01), McKenzie

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