Method and apparatus for topping off a hydropneumatic pressure i

Details Method and apparatus for topping off a hydropneumatic pressure i Method and apparatus for topping off a hydropneumatic pressure i

1989-08-22

1991-08-20

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60584, F15B 700

Patent

active

050403699

ABSTRACT:
A method for topping off a reservoir chamber of a hydropneumatic pressure intensifier with oil, and the embodiment of such a hydropneumatic pressure intensifier, in which the reservoir chamber has a vent bore, which being usable as an overflow protection means as well is controlled by a flow control valve and is uncovered preferably by the reservoir piston in its outset position. In the event of improper aeration, the reservoir piston is thrust against a stop determining its extreme position, in a further feature of the invention a second vent bore can be uncovered by such movement.

REFERENCES:
patent: 3253412 (1964-02-01), Torossian
patent: 3426530 (1967-10-01), Georgelin
patent: 4072013 (1978-02-01), Barbareschi
patent: 4153180 (1979-05-01), Fernique
patent: 4300351 (1981-11-01), Grullmeier

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