Diaphragm pump

Details Diaphragm pump Diaphragm pump

1980-03-24

1983-01-25

Croyle, Carlton R.

Pumps

Including means to prevent foreign material settling from...

417559, 417900, F04B 2102, F04B 3910, F04B 1502

Patent

active

043701086

ABSTRACT:
A diaphragm pump is disclosed of a configuration particularly adapted to pumping of liquids containing a high percentage of solids without clogging of the valving and/or pumping chamber. A flexible diaphragm overlies an opening in the pump housing which defines a pumping chamber below the diaphragm which is in communication with inlet and outlet valving chambers, in each of which is disposed respective gravity biased closed inlet and outlet valve overlying valving ports. The valves are guided by valve stems loosely fit into guide tubes extending above each of the valves. Both inlet and outlet flow is directed upwardly through the valve ports in order to insure a cleaning action to avoid clogging of the valves. The inlet flow is directed tangentially into the pumping chamber to create a scouring or turbulent flow action to minimize the tendency for sedimentation and consequent clogging of the pumping chamber.

REFERENCES:
patent: 2002672 (1981-05-01), Melott
patent: 4252510 (1981-02-01), Bromley

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