Fluent material handling – with receiver or receiver coacting mea – Automatic control of flow cutoff or diversion – Level or overflow responsive
Patent
1988-11-14
1990-03-06
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Automatic control of flow cutoff or diversion
Level or overflow responsive
141 95, 141192, 141360, 141367, 73294, 73304R, 340620, B65B 326, B65B 330
Patent
active
049057430
ABSTRACT:
A valve and coacting control circuitry for filling variously sized and shaped receptacles to an exact settable level with a relatively high impedance fluid such as maple syrup. Errors caused by bubbles are avoided by controlling the flow rate through a shaped orifice for essentially laminar flow. Dripping is eliminated by shaping the exit orifice to prevent gravitational emptying of the faucet cavity when the valve is closed. Sensing of the fluid is accomplished with a flexible wire probe, not sensitive to the receptacle shape but may be adjusted to a desired height, connected to a sensitive electronic circuit with a very high input impedance which allows sensing a voltage through the high impedance fluid. Once started, the filling process need not be monitored by an operator who is then free to do other tasks.
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Leader Evaporator Co., Inc., 1988 catalog.
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