AIR SUPPLY VALVE

Air supply valve (2) for ventilating closed buildings, with a frame (4) which delimits an air passage opening (6), and with a valve flap (10) which can be swiveled about a horizontal swivel axis (8) between an open and a closed position (12), and which is connected to the frame (4). The valve flap (...

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1. Verfasser: REUTTER, TOBIAS
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:Air supply valve (2) for ventilating closed buildings, with a frame (4) which delimits an air passage opening (6), and with a valve flap (10) which can be swiveled about a horizontal swivel axis (8) between an open and a closed position (12), and which is connected to the frame (4). The valve flap (10) in the closed position (12) abuts with its upper end against the upper transverse profile (14) in a closing manner, and in the open position it unblocks with its upper end a throughflow opening (18). The lateral frame portions comprise sealing faces (20) by means of which the slit between the lateral frame (4) and the side edges of the valve flap (10) is covered in the open position. The interior-side marginal area in the lower portion of the rear wall of the valve flap (10) in the closed position (12) and in an up to 30% open position of the valve flap (10) protrudes by an extent (44) over the surface of the lower transverse profile (16).