Fluid handling – Siphons – Periodic or accumulation responsive discharge
Patent
1981-10-13
1984-11-06
Weakley, Harold W.
Fluid handling
Siphons
Periodic or accumulation responsive discharge
137138, 13724741, F04B 1000
Patent
active
044806558
ABSTRACT:
A liquid-plug-creating device includes a collection tank or basin into which liquid flows such as the outflow from sanitary appliances. From the outlet at the bottom of the tank a riser extends upwardly at an acute angle to the horizontal. At the opposite end from the tank outlet, the riser terminates in a bend which reverses the direction of flow through the riser into a downwardly extending vertical pipe. A U-shaped piece of pipe with a horizontal outlet is connected to the lower end of the vertical pipe and provides a special form of trap. When the tank and the riser are completely filled with liquid, any additional liquid added exceeding a minimum flow, causes a liquid seal to be formed in the piece of pipe at the lower end of the vertical pipe. The excess flow creates a vacuum in the vertical pipe which sucks the liquid through the riser out of the tank in the manner of a siphon. The liquid immerges from the device in the form of continuous plugs with high kinetic energy content. The device permits the use of small-diameter pipes in house drainage systems while assuring the required self-cleansing effect, even if water-conserving flush toilets are connected to the device. Other fields of application of the device are irrigation and the metering of liquids in batches.
REFERENCES:
patent: 181569 (1876-08-01), Field
patent: 252344 (1882-01-01), Williams
patent: 475396 (1892-05-01), Hawley
patent: 1235641 (1917-08-01), Berry
patent: 2469825 (1949-05-01), Hornstein
patent: 2589068 (1952-03-01), Fuaus
patent: 3233448 (1966-02-01), Brown
Kosonen Pentti
Oldani Melchiorre
Teglund Lars
Aktienbolaget Gustavsberg
Weakley Harold W.
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