F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 11/08 (2006.01)
Patent
CA 2722746
Provided is an air conditioner including: a heater control section (54) for carrying out duty control on a positive temperature coefficient (PTC) heater (55); and a current detecting section (53) for detecting a current value of the PTC heater (55). The PTC heater (55) starts to be driven at a predetermined duty ratio. When the current value detected by the current detecting section (53) takes a peak (P), a duty ratio increasing process of increasing the duty ratio of the PTC heater (55) by a predetermined amount is repeated until the duty ratio reaches to 100%.
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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