Refrigeration monitor and alarm system

Details Refrigeration monitor and alarm system Refrigeration monitor and alarm system

1984-05-04

1985-11-19

Tanner, Harry

Refrigeration

With indicator or tester

Diverse function indicators or testers

62129, 73308, 73313, 340625, F25B 4900, G01F 2310

Patent

active

045534004

ABSTRACT:
A refrigerant monitor and alarm includes a sensor positioned to detect the level of liquid state refrigerant in the system and provide an electrical output signal therefrom, a digital display for displaying the refrigerant level, and a circuit coupling the digital display to the sensor for actuating the digital display. In a preferred embodiment, the level display is a bar-graph LED-type display incorporated on a control panel also including a refrigerant level alarm and other parameter alarms.

REFERENCES:
patent: 2165569 (1939-07-01), Obermaier
patent: 4086812 (1978-05-01), Luthe et al.
patent: 4144521 (1979-03-01), Lehnhert
patent: 4250750 (1981-02-01), Martinec et al.

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