Liquid level sensing method and apparatus

Fluent material handling – with receiver or receiver coacting mea – With conveying means to supply successive receivers – Horizontal axis conveyer

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141 39, 141 95, 141 9, 141104, 141198, 137454, 73299, B65B 310

Patent

active

052072517

ABSTRACT:
An automated liquid holding tank and method for automatically filling a liquid holding tank. The tank comprises a holding tank with dispensers for filling the tank with liquids and a pressure sensor attached to the tank for measuring the liquid level within the tank. The pressure sensor also provides a tank liquid level indicator output signal which is sent to a controller that compares the output signal with a pre-set value. When the output signal matches the pre-set value the controller closes the dispensers. The pressure sensor includes a gas bubble within a connecting tube to communicate the tank liquid pressure to the pressure sensor.

REFERENCES:
patent: 3864428 (1975-02-01), Eigenbrod
patent: 4020690 (1977-05-01), Samuels et al.
patent: 4072934 (1978-02-01), Hiller et al.
patent: 4598742 (1986-07-01), Taylor
patent: 4630478 (1986-12-01), Johnson
patent: 4805672 (1989-02-01), Berrettini
patent: 4893498 (1990-01-01), Jensen

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