Capacitance probe for high resistance materials

Details Capacitance probe for high resistance materials Capacitance probe for high resistance materials

1979-11-16

1982-02-09

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

361278, G01F 2326

Patent

active

043144780

ABSTRACT:
There is disclosed a capacitance probe for determining the level of high electrical resistance material in a vessel. The probe comprises at least two parallel, large surface area blades which are supported from a mounting plate and spaced apart to define a capacitance path. One blade is attached to an insulator body which is attached to the mounting plate while the other blade is directly attached to the mounting plate in electrical continuity therewith. The insulator body is a ceramic sleeve having a length sufficient to prevent shunting of the capacitance path. The probe is particularly intended for detection of level of fly ash and the like in a receiver vessel.

REFERENCES:
patent: 2910940 (1959-11-01), Colman et al.
patent: 2945165 (1960-07-01), Franzel
patent: 2955466 (1960-10-01), Coles
patent: 3037165 (1962-05-01), Kerr
patent: 3392349 (1968-07-01), Bartley
patent: 3540277 (1970-11-01), Roth et al.
patent: 3744314 (1971-01-01), Lenny
patent: 3934475 (1976-01-01), Rodgers et al.
patent: 4209740 (1980-06-01), Marthe et al.

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