F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/18, 341/35
F24F 11/04 (2006.01) F24F 11/00 (2006.01) G05D 21/02 (2006.01) G05D 23/13 (2006.01)
Patent
CA 1150801
METHOD AND APPARATUS FOR VENTILATING AN OCCUPIED SPACE Abstract of the Disclosure Method and apparatus for controlling the amount of outside air introduced into a given space being ventilated as a function of the oxygen content of the air in the space to minimize the energy expended in heating or cooling air flowing through the space while maintaining the oxygen content of the air above that required for the well-being of humans occupying said space. A fuel cell produces an electric current the magnitude of which is a function of the partial pressure of the oxygen present in the air surrounding the fuel cell. The output of the fuel cell is applied to a control circuit which applies control signals to the motor control circuit of a damper motor to admit outside air when the partial pressure of the oxygen in the occupied space falls to a predetermined minimum level and to exclude outside air and to recirculate return air when the partial pressure of the oxygen in the space rises to a certain maximum level.
320427
Anderten John R.
Peter Glen O.
Energy Controls Inc.
Macrae & Co.
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