Measuring and testing – Liquid level or depth gauge – Thermal type
Patent
1989-07-20
1990-11-06
Cuchlinski, Jr., William A.
Measuring and testing
Liquid level or depth gauge
Thermal type
374 10, 374 54, 340622, 210 86, 210744, 210742, G01F 2322
Patent
active
049675931
ABSTRACT:
A method for determining the level of heavier particulate waste material in a storage tank of liquid. The method comprises mounting a heated sensor below an unheated or reference sensor so that the reference sensor is influenced under some circumstances by the heater, but is insulated therefrom when the heated sensor is embedded in the particulate material. The invention includes the apparatus for accomplishing the method.
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patent: 4720997 (1988-01-01), Doak et al.
patent: 4741209 (1988-05-01), McCulloch
patent: 4785665 (1988-11-01), McCulloch
patent: 4859076 (1989-08-01), Twerdochlib
Cuchlinski Jr. William A.
Fluid Components, Inc.
Gutierrez Diego F. F.
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