초록 ▼

A liquid level measurement capacitance probe is disclosed comprising an elongated outer capacitor tube, an elongated inner tube coaxially mounted within the outer capacitor tube to form a capacitor annulus therebetween with the inner tube having a plurality of longitudinally extending capacitor elem

A liquid level measurement capacitance probe is disclosed comprising an elongated outer capacitor tube, an elongated inner tube coaxially mounted within the outer capacitor tube to form a capacitor annulus therebetween with the inner tube having a plurality of longitudinally extending capacitor elements cooperating with the outer capacitor tube to form a plurality of individual capacitor units, a connector unit for electrically connecting the capacitor units to an electronic circuit processor for measuring capacitance values of the capacitor units in calculating a fluid level, a filter for separating water from fuel flowing from the storage tank to be measured to the capacitor annulus, the filter having an annular housing mounted about the outer capacitor tube with an inlet port adapted for fluid communication with the storage tank, an outlet port connected to the capacitor annulus between the inner and outer capacitor tube for delivery of filtered fuel to the annulus, a water discharge outlet for discharging water from the filtered fuel, and a regulator for regulating the discharge of water through the discharge outlet into the storage tank to be measured, and a lower support housing mounted to the lower ends of the inner and outer capacitor tubes to support the lower ends of the capacitor tubes in coaxial spaced disposition.

대표청구항 ▼

In a liquid-level-measurement capacitance probe of the type having an elongated capacitor sensor assembly with a capacitor chamber for receiving fuel for measuring capacitance values within said capacitor chamber to calculate fuel level in a storage tank, a filter device for removing water from the

In a liquid-level-measurement capacitance probe of the type having an elongated capacitor sensor assembly with a capacitor chamber for receiving fuel for measuring capacitance values within said capacitor chamber to calculate fuel level in a storage tank, a filter device for removing water from the fuel flowing into the capacitor chamber comprising: an elongated annular filter housing forming at least one interior filter chamber and being mounted coaxially about the capacitor sensor assembly, said housing having an axial bore with said capacitor sensor assembly extending through said bore, said filter chamber having an upper end and a lower end vertically below said upper end, an outlet port at said upper end interconnected to said capacitor chamber, an inlet port at said lower end adapted to be in fluid communication with the fuel storage tank to be measured, a filter means located in said filter chamber intermediate said upper and lower ends for separating water from fuel passing through said filter chamber and out said outlet port so that water separated from the fuel gravitates to the lower end of the filter chamber, a water discharge port at the lower end of the chamber, and means for regulating the discharge of water through said water discharge port.