Pumps – Motor driven – Electric or magnetic motor
Patent
1986-02-10
1988-01-12
Croyle, Carlton R.
Pumps
Motor driven
Electric or magnetic motor
417 62, 417257, 417419, F04B 1704, F04B 3504
Patent
active
047188324
ABSTRACT:
Electromagnetic reciprocating pump including a plurality of pumps combined in such a manner that the mode of connection between the suction inlet and the discharge outlet in each of the pumps is allowed to be changed and, as the result, the amount of suction or discharge or the degree of vacuum or compression is allowed to be selected at a multiplicity of stages without any loss of the energy of the alternating current power. The plurality of pumps are disposed in such a manner that the axes of their respective pistons intersect one another at one point and the pumps themselves are rotationally symmetrical with respect to the point mentioned above.
REFERENCES:
patent: 2858767 (1958-11-01), Smith
patent: 3228587 (1966-01-01), Segebrecht
patent: 4127360 (1978-11-01), Carpenter
patent: 4350475 (1982-09-01), Meece et al.
patent: 4556367 (1985-12-01), Schmid
Croyle Carlton R.
Man Design Co. Ltd.
Stout Donald E.
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