Fluent material handling – with receiver or receiver coacting mea – With signal – indicator – recorder – inspection means or exhibitor
Patent
1993-05-11
1994-09-27
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
With signal, indicator, recorder, inspection means or exhibitor
141 95, 141198, 137351, 137386, 340621, B67D 532
Patent
active
053499948
ABSTRACT:
A system for controlling the loading of fuel into a multi-compartmented transport tank interrupts loading of fuel when the level of fuel in any compartment is above a given upper level and prevents loading when the level of fuel is above a given lower level. Fail safe operation is provided by top and bottom liquid level sensors which generate a "dry" signal to indicate that the liquid level is below the upper and lower levels in each compartment. A "dry" signal from the bottom sensor is required to initiate loading of a compartment. Once initiated, a substitute signal permits continued loading of the compartment. The "dry" signal is a pulsing electrical signal which cooperates with a multivibrator to generate a signal for each compartment indicating that loading of fuel is appropriate. Indicia lights are provided for each compartment to indicate the level of fuel in each compartment. Diagnostic means enable these lights to identify the failure of a sensor or a faulty electrical connection therewith. A dummy, "dry" signal generator permits the use of the control system circuitry with tanks having a different number of compartments.
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Dover Corporation
Jacyna J. Casimer
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