Low-pressure air pump

Details Low-pressure air pump Low-pressure air pump

1986-12-03

1988-02-09

Freeh, William L.

Pumps

Three or more cylinders arranged in parallel, radial, or...

417473, 417566, F04B 118, F04B 4502

Patent

active

047238941

ABSTRACT:
A motor-driven continuously running system wherein multiple reciprocating bellows units are disposed in angularly spaced relation about the rotary axis of a swashplate. Each bellows is frame-referenced at one end, and its other end is axially driven by the swashplate. As the bellows units reciprocate in phased succession, air is driven into and expelled through a valve/manifold unit, which channels air to and from outlet and inlet fittings, via integrally formed reed check valves. The output is a steady flow of contamination-free pressurized air.

REFERENCES:
patent: 862867 (1907-08-01), Eggleston
patent: 1454886 (1923-05-01), Giesler
patent: 2374595 (1945-04-01), Franz
patent: 2534153 (1950-12-01), Widmer
patent: 2809868 (1957-10-01), Thompson
patent: 2856955 (1958-10-01), Winkelman
patent: 3314600 (1967-04-01), Hadley
patent: 3754842 (1973-08-01), Schlanzky
patent: 3992131 (1976-11-01), Masterman
patent: 4486151 (1984-12-01), Rorhonen
patent: 4495855 (1985-01-01), Murakami

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