Fluent material handling – with receiver or receiver coacting mea – Processes – Battery grid pasting
Patent
1987-11-30
1989-11-28
Recla, Henry J.
Fluent material handling, with receiver or receiver coacting mea
Processes
Battery grid pasting
141198, 73290V, 367 90, B65B 5714, G01F 2300
Patent
active
048831000
ABSTRACT:
An automatic, ultrasonic system for controlling the filling of different sizes of beverage containers which may or may not contain various quantities of ice. The system includes a transducer assembly and a control module, both preferably connected to a beverage dispenser valve assembly. The transducer assembly includes at least two piezo-electric crystals for separately transmitting and receiving ultrasonic wave energy from the grate, the cup lip, the top of any ice in the cup, and the rising liquid level, and for generating signals corresponding to the travel time of the ultrasonic energy. The control module includes a microcomputer and associated circuitry. The system can include two separate transmitter and receiver crystals, or in a preferred embodiment two transmitter-receiver pairs of crystals.
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Acoustica Associates, Inc., Ultrasonic Liquid Level Switches, 1959, pp. 1-4.
Stembridge W. Frank
Stembridge William F.
Sturrock James C.
Boston Thomas R.
Brooks W. Dexter
Jacyna J. Casimer
Recla Henry J.
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