F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 5/00 (2006.01) F24F 11/00 (2006.01) G05D 23/275 (2006.01)
Patent
CA 2059105
Abstract of the Disclosure A field installable device for a conventional heating and air conditioning system (HVAC) is provided which operates a blower fan in conjunction with a standard thermostat. Presently, HVAC systems operate in four modes: heating, cooling, off and fan "on". The device includes a multi-pole, multi-speed motor and a control operatively connected between the thermostat and the motor. With the fan switch in the "on" position and heating or cooling called for, the control causes the blower to operate at a high speed, which may be different for heating or cooling. When the pre-selected temperature is reached the particular thermal operation (i.e., heating or cooling) is stopped. The control switches the motor to a speed substantially slower than the operating condition speed to provide continuing air circulation until the thermostat again calls for thermal operation. With the switch in "auto" position, the blower operates similarly to present systems.
Bowsky Benjamin
Brown Bernard
Lloyd Jerry D.
Sood Pradeep K.
Borden Ladner Gervais Llp
Bowsky Benjamin
Brown Bernard
Emerson Electric Co.
Lloyd Jerry D.
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