Damper system for automotive ventilation

Details Damper system for automotive ventilation Damper system for automotive ventilation

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 13/14 (2006.01)

Patent

CA 2485786

A novel damper system for controlling airflow through a plenum provides an effective seal between a rotatable damper door and the plenum to substantially inhibit airflow through the plenum without requiring additional sealing materials such as rubber or foam. When the damper door is in the closed position, an upstanding rib on each of the upper and lower portions of the damper door engage a complementary groove in a respective sealing member on the interior of the plenum against which the damper door faces abut. The engagement of the ribs in the groove provides a seal comprising three surface- to-surface interfaces. The sealing members are relatively small, compared to the size of the plenum, and thus present little impediment to airflow through the plenum when the damper door is rotated to an open position.

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