Cyclic hydraulic pump improvements

Details Cyclic hydraulic pump improvements Cyclic hydraulic pump improvements

1993-03-09

1995-11-07

Bertsch, Richard A.

Pumps

Successive stages

Fluid motor for one stage supplied from another stage

417273, 91491, F04B 300

Patent

active

054643309

ABSTRACT:
A two stage pump has coaxial first and second stage reciprocating pumps with the second stage piston reciprocably driven by the first stage piston. Multiple sets of first and second stage pumps are provided, and the second stage pistons can be returned by supercharge pressure, a loose connection between the first and second stage pistons, or a spring. An accumulator which is charged on a compression stroke and discharged on an intake stroke may also be provided in communication with a pumping chamber to improve the efficiency of a pump.

REFERENCES:
patent: 1868498 (1932-07-01), Gruman
patent: 2702008 (1955-02-01), Stockard
patent: 3053186 (1962-09-01), Gondek
patent: 3276673 (1966-10-01), Jones et al.
patent: 3597121 (1971-08-01), McClocklin
patent: 3776665 (1973-12-01), Dalton
patent: 3992131 (1976-11-01), Masterman et al.
patent: 4105369 (1978-08-01), McClocklin
patent: 4723894 (1988-02-01), Marx
patent: 4761118 (1988-08-01), Zanarini
patent: 4854822 (1989-08-01), Darroch

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