Method and apparatus for diaphragm pumping with adjustable flow

Details Method and apparatus for diaphragm pumping with adjustable flow Method and apparatus for diaphragm pumping with adjustable flow

1997-12-18

1999-11-16

Ryznic, John E.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Flexible wall-type working member

92 97, F01B 1900, F16J 300

Patent

active

059837772

ABSTRACT:
An improved method and apparatus for adjusting the flow of a diaphragm pump. The thickness of the diaphragm itself is capable of being adjusted. Full stroke output is thereby reduced in inverse proportion to the increased volume occupied by the diaphragm. Adjusting the thickness of the diaphragm while the pump is operating provides a means of varying pump output without stopping the pump for adjustments or modifications.

REFERENCES:
patent: 2827853 (1958-03-01), Bradley
patent: 2856857 (1958-10-01), Salfrank
patent: 2881596 (1959-04-01), Sheen
patent: 3605566 (1971-09-01), Vetter
patent: 3769879 (1973-11-01), Loftquist
"Milton Roy Meter Pump Technology" Bulletin 210, pp. 7 and 8.
"Milton Roy Meter Pump Technology" Bulletin 3600, excerpt.
"Milton Roy Meter Pump Technology" DRDS PD 4151.

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