Method and system for controlling liquid levels
AssigneeTole Inox Inc.
InventorsMichel Bochud, David Bedard, Gilles Lamontagne
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Abstract
A method and a system for regulating fluid levels in an evaporator comprising fluid communicating pans, the system comprising a tube in fluid communication with at least a first pan of the evaporator and exterior to the first pan, a level sensor immersed in the fluid in the tube; an air pump unit; and a pressure monitoring unit; the air pump unit providing a constant air airflow to the tube; the level sensor detecting variations of the fluid level in the tube, and the pressure monitoring unit controlling input of fluid into the first pan in response to the variations detected by the level sensor.
Claims4
A system for regulating a level of a liquid in a pan having a liquid inlet, the system comprising:
- a tubing immersed in the liquid in said pan and having an open free end within the liquid in said pan;
- a pressure sensor;
- an air pump unit;
- and
- a controller;
- wherein said air pump unit provides a constant airflow to said tubing;
- said pressure sensor detecting variations of pressure within said tubing as a level of the liquid in said pan varies, said controller receiving measures of pressure from said pressure sensor and controlling input of liquid into the pan through the inlet of the pan in response to the variations of the level of the liquid in said pan as detected by said pressure sensor as variations of pressure within said tubing.
Dependencies are inferred from the claim text.