Pre-calibrated fuel quantity capacitive probe

Details Pre-calibrated fuel quantity capacitive probe Pre-calibrated fuel quantity capacitive probe

1983-11-23

1985-07-02

Woodiel, Donald O.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73304C, G01F 2500

Patent

active

045260273

ABSTRACT:
A method and apparatus for pre-calibrating capacitive-type fuel quantity probes is proposed in which a voltage divider excitation source is connected to the low impedence electrode of the probe and is used to trim the apparent capacitance down to within a small tolerance of .+-.0.1% of the precise design value for the probe.

REFERENCES:
patent: 3827300 (1974-08-01), Thaler

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