Concentrating evaporators – Fluid feed or discharge devices – Automatic
Patent
1980-09-04
1982-06-15
Yudkoff, Norman
Concentrating evaporators
Fluid feed or discharge devices
Automatic
219518, 200 85R, B01D 102
Patent
active
043349552
ABSTRACT:
A device for controlling evaporation of a liquid has a container and a heating element for heating and evaporating liquid in the container. The container is disposed on a base plate which is supported by a leaf spring which allows the base plate to move between two microswitches depending upon the amount of liquid in the container. The microswitches are connected to a control circuit for activating the heating element and interrupt the flow of power to the heating element when little or no liquid is present in the container, or when a maximum amount of liquid is present in the container.
REFERENCES:
patent: 693650 (1902-02-01), Johnson
patent: 2166728 (1939-07-01), Page
patent: 2617005 (1952-11-01), Jorgensen
Stuerzer Anton
Zoeke Siegfried
Siemens Aktiengesellschaft
Yudkoff Norman
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