Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1985-05-22
1986-09-09
Schwadron, Martin P.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137110, 137467, 13763014, 239570, 251 634, F16K 1114
Patent
active
046102647
ABSTRACT:
A hydro-automatic valve with a cylindrical housing mounted vertically and having rigid upper and bottom ring shaped rests between which, within the cylindrical housing, interconnected upper and bottom face closure members are freely disposed. The upper face closure member is shaped as a disc with a hole in the central axis and has small legs arranged around its periphery extending vertically downwards with small teeth turned inwards towards the central axis. The small teeth are disposed freely in a shallow ring shaped groove in the surrounding surface of the bottom face closure member, which is shaped with a conical peak in the axis. At the bottom end of the bottom face closure member there is a deep ring shaped groove. This deep ring shaped groove is connected via parallel channels with the space between the upper and bottom face closure member. The cylindrical housing is connected to a centrally disposed lateral inlet hole and an outlet elbow above the upper ring shaped rest, to the basic distribution piping of the sprinkling irrigation system, and via a chamber with a lateral outlet hole, disposed underneath the bottom ring shaped rest, to the branch piping. In the bottom of the chamber, coaxial to the cylindrical housing, there is mounted a cylinder with a piston pin. The space of this cylinder underneath the piston is connected via a hole to additional control piping of the irrigation system.
REFERENCES:
patent: 1937246 (1933-11-01), Reedy
patent: 3119403 (1964-01-01), Stilwell
patent: 3779266 (1973-12-01), Fruth et al.
patent: 3797526 (1974-03-01), Champeon
patent: 3866629 (1975-02-01), Nicklas
patent: 3888280 (1975-06-01), Tartaglia
patent: 4254913 (1981-03-01), Georgiev
patent: 4457340 (1984-07-01), Krueger
Georgiev Vesselin Y.
Mednikarov Vladimir S.
Hepperle Stephen M.
Institute Po Mechanika I Biomechanika
Schwadron Martin P.
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