Exhaust and fresh air ventilation system for a room air...

Details Exhaust and fresh air ventilation system for a room air... Exhaust and fresh air ventilation system for a room air...

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 1/02 (2006.01) F24F 13/00 (2006.01)

Patent

CA 2134372

Abstract A room air conditioner is provided with a ventilation system for exhausting room air to the outdoors through the air conditioner or alternatively for admitting fresh air from outdoors in through the air conditioner. The actuator is a rotary knob which has a pair of cables attached to it such that rotary motion of the knob in the first direction will cause one of the cables to pull on one of the doors to open it, while rotary motion of the knob in the other direction will cause the other of the cables to pull on the other door to open it. The doors are spring biased to return to the closed position and the knob has a detent device to hold it in a selected open or closed position.

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