Piston pumps or motors

Details Piston pumps or motors Piston pumps or motors

1974-06-24

1976-03-02

Freeh, William L.

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

Three or more cylinders arranged in parallel, radial or...

138 30, F01B 300, F16L 5504

Patent

active

039410323

ABSTRACT:
The invention provides a capsule for damping pressure pulses in the working fluid of piston pumps and motors, the capsule being formed with co-axial inner and outer pervious walls which serve to limit the contraction and expansion of a flexible gas-filled bag enclosed between them.

REFERENCES:
patent: 2351761 (1944-06-01), Hanna
patent: 2968319 (1961-01-01), Ball
patent: 3003522 (1961-10-01), Rohacs
patent: 3199461 (1965-08-01), Wolf
patent: 3858483 (1975-01-01), Hein

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