Liquid purification or separation – Structural installation – Geographic
Patent
1989-06-06
1990-11-27
Spear, Frank
Liquid purification or separation
Structural installation
Geographic
169 13, 169 30, 210232, 2102421, 210460, 405 61, B01D 2915
Patent
active
049734032
ABSTRACT:
A suction head and strainer assembly comprises a strainer portion of elongated hollow generally cylindrical configuration with a plurality of strainer holes at a closed end thereof. The strainer holes provide for an aggregate open area of approximately three times the cross sectional area of a fire hose attached to the assembly with openings being approximately one half inch in diameter and arranged in staggered rows of seventeen openings each. A discharge end portion of the assembly is connected to and communicates with the strainer portion and in turn connects with a fire hose at a suction end of the latter. A stop means is adjustable along the length of the strainer portion for selective positioning of the strainer holes beneath the surface of ice of varying thickness.
REFERENCES:
patent: 857519 (1907-06-01), Foster
patent: 1070788 (1913-08-01), Elliott
patent: 2957579 (1960-10-01), McCombie
patent: 3037636 (1962-06-01), McFarlin
patent: 3109812 (1961-02-01), McAulay et al.
patent: 3782552 (1974-01-01), Wendell
patent: 4179379 (1979-12-01), Mitchell
patent: 4310423 (1982-01-01), Brown et al.
patent: 4357238 (1982-11-01), Ziaylek, Jr.
Drodge Joseph
Spear Frank
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