Electromagnetically driven reciprocating pump with fluted piston

Details Electromagnetically driven reciprocating pump with fluted piston Electromagnetically driven reciprocating pump with fluted piston

1995-02-27

1996-04-23

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

4175551, 417557, 417566, 92 85R, 92162P, F04B 1704

Patent

active

055097928

ABSTRACT:
A reciprocal type of pump structure wherein a piston has a linear function actuated by a pair of coils energized alternately and includes a plurality of tapered flutes. A check valve in an outlet of the structure which stretches to open said outlet under the impact of expelled fluids and of its own volition retracts to the closed position immediately upon the cessation of fluids being expelled.

REFERENCES:
patent: 2515110 (1950-07-01), Bornstein
patent: 3023708 (1962-03-01), Thiele
patent: 3554375 (1970-01-01), Willinger
patent: 3751188 (1973-08-01), Willinger et al.
patent: 4211150 (1980-07-01), Framberg
patent: 4775301 (1988-10-01), Cartwright et al.
patent: 5085563 (1992-02-01), Collins et al.

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