Fluid handling – Siphons – With strainer – filter – separator or sediment trap
Patent
1976-05-20
1978-02-14
Nilson, Robert G.
Fluid handling
Siphons
With strainer, filter, separator or sediment trap
137150, 137152, F04F 1002
Patent
active
040733050
ABSTRACT:
An elongated tube is bent to have a central portion, a short leg and a long leg. The long leg is closed by a cap which is counterbalanced into the closed position. An elongated inner tube having an outer upper end passes through the sidewall of the long leg and terminates a substantial distance down in the long leg of the outer tube. The outer end of the inner tube is covered by a conventional bulb air pump. Squeezing the air pump pushes a pulse of air out the lower end and creates a vacuum when the cap is closed to begin siphoning through the short leg.
REFERENCES:
patent: 628088 (1899-07-01), Giles
patent: 1195864 (1916-08-01), Starr
patent: 1584550 (1926-05-01), Kellog
Belshaw Thomas E.
Brown Amos J.
Knull Kenneth L.
Wilke Wilbur D.
Belshaw Brothers, Inc.
Nilson Robert G.
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