Dosing pump

Details Dosing pump Dosing pump

1982-08-30

1985-05-07

Freeh, William L.

Pumps

Expansible chamber type

Control by withdrawal or tilting of pump piston relative to...

417503, 417521, 222318, F04B 704, F04B 2304

Patent

active

045155372

ABSTRACT:
A dosing pump (1) is produced, with which a precise dosing is possible as a function of the time or of a flow rate. The dosing pump (1) operates with a preliminary transport obtained by means of a diaphragm (11). The stroke volume of the diaphragm (11) is greater than the volume of the pipe element present between a preliminary transport chamber (9) and a dosed medium tank (16). It is thereby made possible to omit a return pipe and a suction valve and a pressure valve.

REFERENCES:
patent: 862867 (1907-08-01), Eggleston
patent: 3765802 (1973-10-01), Leitermann et al.
patent: 3945772 (1976-03-01), Van de Moortele
patent: 4035109 (1977-07-01), Drath et al.
patent: 4139122 (1979-02-01), Bauer
patent: 4336000 (1982-06-01), Jorgensen et al.
patent: 4336800 (1982-06-01), Giovanni
patent: 4375864 (1983-03-01), Savage

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