Patent ID: 7650759
Filing Date: 2010-01-26
Classification: F25B,G01F,G05D

Abstract:
1. An apparatus for controlling a refrigerant level, the apparatus comprising: a first detecting unit that is installed at a lower side of the inside of the refrigerant tank, and includes a first cell inner-wall temperature sensor for measuring a temperature of the inside of the refrigerant tank and a first heat generation portion for transferring heat to the first cell inner-wall temperature sensor; a second detecting unit that is installed at an upper side of the inside of the refrigerant tank, and includes a second cell inner-wall temperature sensor for measuring a temperature of the inside of the refrigerant tank and a second heat generation portion for transferring heat to the second cell inner-wall temperature sensor; and a control unit controlling a refrigerant within the refrigerant tank according to a value measured by the first and second detecting units.