Silent self-controlled orificial restrictor

Details Silent self-controlled orificial restrictor Silent self-controlled orificial restrictor

1976-04-21

1978-01-10

Aegerter, Richard E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 40, 138 44, 138 45, 13762537, 13762538, 181268, F15D 102

Patent

active

040673618

ABSTRACT:
An orificial restrictor for use in a ballasting system for an underwater icle utilizing a plurality of multi-holed orifice plates set in series within a casing. A hollow cylinder is slidably positioned within the casing and carries fluid supplied through an inlet in the case. A spring biases the cylinder toward the inlet and fluid pressures opposes the spring force to move the cylinder away from the inlet whereby the hollow cylinder automatically positions itself with pressure changes to control the number of orifice plates subject to flow.

REFERENCES:
patent: 486722 (1892-11-01), Loss
patent: 582445 (1897-05-01), Tippett
patent: 920392 (1909-05-01), Rider
patent: 1473349 (1923-11-01), Kach
patent: 3060957 (1962-10-01), Richards
patent: 3156262 (1964-11-01), Attebo
patent: 3665965 (1972-05-01), Baumann
patent: 3893479 (1975-07-01), Tassie
patent: 3917222 (1975-11-01), Kay et al.
patent: 3954124 (1976-05-01), Self
patent: 3964516 (1976-06-01), Purton et al.

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