Ventilation system for pivoted window or door with drive positioned within ventilation unit enables ventilation regardless of function of window or door

摘要

Ventilation system lies in a groove between frame (1) and pane (2) and has a ventilation unit (3,4,43) positioned and held on the frame using notches (11), stops (12), locking pieces (13) or a middle rail and connected using clamping parts. A drive (39) is positioned inside the ventilation unit and is connected to the ventilation unit using a coupling piece.