Hydraulic drive pulsator of reciprocating action

Details Hydraulic drive pulsator of reciprocating action Hydraulic drive pulsator of reciprocating action

1972-10-18

1976-08-31

Schwadron, Martin P.

Power plants

Pressure fluid source and motor

Pulsator

417383, 60591, F15B 702

Patent

active

039771920

ABSTRACT:
A chamber of an actuating mechanism is hydraulically connected to the under-the-piston cavity of the cylinder adjacent to the housing of a pulsator. Built into the piston is a spring-loaded valve serving as a device for compensating for the leakage of liquid from the chamber and for protecting the latter against overload pressure. During the operating stroke of the piston, the valve is brought in contact with it by an eccentric, and in case the pressure is increased or it is necessary to compensate for the leakage of liquid, a clearance is formed between the valve and the piston for the liquid to pass the direction of the liquid flow being dependent on the pressure differential on the valve.

REFERENCES:
patent: 2046491 (1936-07-01), Scott
patent: 2676464 (1954-04-01), Warren
patent: 2843044 (1958-07-01), Mashinter
patent: 2848878 (1958-08-01), Schnell
patent: 3050945 (1962-08-01), Maynard
patent: 3496875 (1970-02-01), Van Allen et al.
patent: 3583159 (1971-06-01), Paulet

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