Ventilator

Details Ventilator Ventilator

F - Mech Eng,Light,Heat,Weapons

24

F

98/29

F24F 7/013 (2006.01) F24F 13/16 (2006.01)

Patent

CA 1171715

ABSTRACT A ventilator is provided for the supply of untreated exterior air to a room. The ventilator has a valve seat, a valve body, means for connecting the ventilator to an exterior air duct and operating means for resetting the position of the valve body. Stationary support elements carry the valve body via a coupling of the kind which, on repeated operating impulses from the operating means alternatingly takes the valve body to an outer position and returns it to an inner position relative to the valve seat. Both these positions are so selected that the inner one corresponds to the minimum demand for ventilation of an empty room while the outer one corres- ponds to the demand for ventilation with projected use by persons of the room.

365547

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