Fluid handling – Siphons – With flow starting – stopping or maintaining means
Patent
1979-01-25
1981-09-22
Michalsky, Gerald A.
Fluid handling
Siphons
With flow starting, stopping or maintaining means
137149, F04F 1000
Patent
active
042904439
ABSTRACT:
A flexible tube liquid transfer device is provided, formed of three concentric flexible tubes to be used as a siphon. A coupling bush connects the inlet ends of the innermost and outermost tubes, sealing the outermost tube to permit liquid to flow into the innermost tube only, through the inlet. An elastic sealing member slidingly seals the middle tube to the outermost tube so that the middle tube can slide relative to the structure comprising the coupled together outermost and innermost tubes. A removable closure seals the outlet end of the middle tube.
To start the flow of liquid through the device, one need only slide the middle tube out of the assembly, wait until liquid is drawn up into the assembly by the partial vacuum thereby created, and open the closure at the end of the middle tube while holding the end of the middle tube below the liquid level in the liquid container. In this way, liquid will siphon out of the container without the need of pumps or other devices to start the liquid flowing.
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