Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent
1985-03-07
1986-07-22
Yasich, Daniel M.
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
34087016, 361284, 364509, 374142, G01F 2326, G01R 2726
Patent
active
046012010
ABSTRACT:
Apparatus for measuring level and quantity of fuel oil stored in a tank, which comprises a pair of electrodes, one being a number of segmented electrodes while the other is an elongated electrode to form a number of capacitors, a source for applying high frequency voltage to said electrodes one by one to generate electric signals, means for converting said signals to corresponding high frequency signals, means for computing height of said liquid level from frequencies of signals, and means for computing the fuel quantity. Said capacitor probe is prepared by fastening an elongated flexible substrate IS printed with said electrodes round a rigid bar S, covering the outer surface thereof with insulative material, and fitting a metallic tube. Said segmented electrodes are arranged lengthwise in two rows in zig-zagged and partly overlapped.
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Oota Yasuto
Shimizu Makoto
Tokyo Tatsuno Co., Ltd.
Yasich Daniel M.
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