Pump for pumping liquid in a pulse-free flow

Details Pump for pumping liquid in a pulse-free flow Pump for pumping liquid in a pulse-free flow

1977-02-07

1978-09-19

Croyle, Carlton R.

Pumps

Motor driven

Magnetostrictive chamber

417412, 417474, F04B 1704, F04B 4312

Patent

active

041150368

ABSTRACT:
A peristaltic pump comprises two concentric cylinders at least one of which includes a plurality of piezoelectric elements which are successively electrically energized to produce moving seals in the region between the cylinders.

REFERENCES:
patent: 3029743 (1962-04-01), Johns
patent: 3264998 (1966-08-01), Dingman
patent: 3511583 (1970-05-01), Brown
patent: 3677667 (1972-07-01), Morrison
patent: 3963380 (1976-06-01), Thomas et al.

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