Fluid handling – Siphons – Periodic or accumulation responsive discharge
Patent
1993-03-26
1994-09-06
Michalsky, Gerald A.
Fluid handling
Siphons
Periodic or accumulation responsive discharge
137151, 137593, F04F 1000
Patent
active
053438884
ABSTRACT:
A level activated syphon system which automatically begins drainage of a liquid such as water from an accumulation area such a swimming pool cover or flat roof when the accumulation of water reaches a preset level is disclosed. The system requires no outside source of energy and consists of a valve assembly at the accumulation area, a hose or pipe which serves as a conduit to the lower drainage area and a water seal at the lower drainage area. The valve is opened and closed by a float which rises and falls with the liquid level at the accumulation area and stops the liquid flow after the accumulation is lowered but does not allow air to enter the conduit. The liquid remains in the conduit to start the syphon cycle again when more liquid accumulates. The water seal prevents the liquid from draining from the conduit when the syphon action is stopped.
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