Measuring and testing – Liquid level or depth gauge – Hydrostatic pressure type
Patent
1990-07-11
1991-10-29
Cuchlinski, Jr., William A.
Measuring and testing
Liquid level or depth gauge
Hydrostatic pressure type
73721, 340614, 340618, G01F 2314
Patent
active
050605127
ABSTRACT:
Disclosed in a liquid level-detecting apparatus, in which a pressure of a liquid stored in a tank at a predetermined position is detected by a pressure sensor, the detected pressure is converted to an electric signal, and this electric signal is transmitted to the outside as a liquid level information based on the liquid head pressure.
REFERENCES:
patent: 3638481 (1972-02-01), Wilner
patent: 3840867 (1974-10-01), Welk, Jr.
patent: 4459584 (1984-07-01), Clarkson
patent: 4491016 (1985-01-01), Haefner
patent: 4768377 (1988-09-01), Habelmann et al.
patent: 4916950 (1990-04-01), Bergeson et al.
Kanashige Masanori
Kumagai Michihiro
Okada Kenji
Bennett G. Bradley
Cuchlinski Jr. William A.
Nippon Automation Co., Ltd.
Nippon Oil Co. Ltd.
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