Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1980-08-27
1981-10-27
Spiegel, H. Jay
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137183, 13762537, G05D 1100
Patent
active
042967716
ABSTRACT:
A steam trap is provided with two paths through which fluid flows from its nput to its output. One path constitutes a control path wherein a small amount of steam or condensate continuously flows through restrictive orifices connected in series between the input and the output. The other path constitutes a main flow path in which a quiet throttling element having a plurality of resistive flow passages and having a moveable valve plug, controls the amount of fluid flowing therethrough. The position of the valve plug and a control piston connected thereto is a function of the fluid flow through the control path between the two orifices; the input and discharge fluid pressures; and a spring connected to the control piston.
REFERENCES:
patent: 2051732 (1936-08-01), McKee
patent: 2127649 (1935-08-01), McKee
patent: 3018023 (1962-01-01), Talarico
patent: 3470896 (1969-10-01), Au Werter
patent: 3514074 (1970-05-01), Self
patent: 4004604 (1977-01-01), Deinlein-Kalb
Claffy Richard D.
Lovelace Reginald B.
Beers R. F.
Marsh L. A.
Randolph W. W.
Spiegel H. Jay
The United States of America as represented by the Secretary of
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