Constant volume seal-free reciprocating pump

Details Constant volume seal-free reciprocating pump Constant volume seal-free reciprocating pump

1976-09-03

1978-07-25

Husar, C. J.

Pumps

Motor driven

Electric or magnetic motor

3 17, 128 1D, 415214, 318128, F04B 1704

Patent

active

041026101

ABSTRACT:
A reciprocating pump having a piston completely enclosed by and moving within a cylinder. The pumping action is provided by the interaction between a magnetic component embedded in the piston and an external varying magnetic field produced by a permanent magnet, solenoid, etc. The necessary back-and-forth motion is produced by momentarily offsetting the gravitational force by the spatial driving or time variation of the magnetic field and a suitable combination of valves is provided to control the fluid flow through the cylinder.

REFERENCES:
patent: 2481320 (1949-09-01), Madorsky
patent: 2604851 (1952-07-01), Archibald
patent: 3293516 (1966-12-01), Maier et al.
patent: 3348489 (1967-10-01), Meyer
patent: 3521794 (1970-07-01), Bijl
patent: 3603706 (1971-09-01), Cermak et al.
patent: 3629674 (1971-12-01), Brown
patent: 3819293 (1974-06-01), Zitzmann

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