Diaphragm pump

Details Diaphragm pump Diaphragm pump

1985-10-31

1987-01-06

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

92103M, F04B 4306

Patent

active

046343512

ABSTRACT:
A diaphragm pump includes a flexible diaphragm mounted in a pump housing and sealingly separating internal pumping and driving chambers. An inlet aperture is situated to conduct pressurized material into the pumping chamber in a direction tangential to a surface of an end-portion of the pumping chamber, this end-portion having a circular cross-sectional shape and adjoining the diaphragm. The driving chamber comprises a plurality of interconnected grooves disposed in a pump housing surface normally contacting the diaphragm when the diaphragm is in an unflexed position. A plurality of fluid apertures are disposed to conduct a hydraulic pumping fluid into the driving chamber at a plurality of discrete locations.

REFERENCES:
patent: 2843050 (1958-07-01), Harper
patent: 3050002 (1962-08-01), Harris
patent: 3277829 (1966-10-01), Burgert
patent: 4087209 (1978-05-01), Mahig et al.
patent: 4138931 (1979-02-01), Hermann et al.
patent: 4265600 (1981-05-01), Mandroian
patent: 4469596 (1984-09-01), Kantor
patent: 4569641 (1986-02-01), Falk et al.

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