Patent ID: 9440511
Filing Date: 2016-09-13
CPC Classification: B60H

Claim Text:
1. A baffle ( 10 ) for a venting valve for reducing the sound admission into the interior of a motor vehicle, including at least one air guiding channel ( 16 , 18 , 20 , 22 ) having a labyrinth geometry, the air guiding channel having an inlet side and an outlet side and guiding air from an interior of the motor vehicle to an exterior of the motor vehicle, the inlet side being in fluid communication with the interior of the motor vehicle and the outlet side being in fluid communication with the exterior of the motor vehicle, the air guiding channel having a longitudinal axis extending from the inlet side of the air guiding channel to the outlet side of the air guiding channel, two rigid reflection walls being arranged in the at least one air guiding channel, the two rigid reflection walls extending perpendicular to the longitudinal axis of the at least one air guiding channel and permitting air to travel from the inlet side to the outlet side at all times, a first of the two rigid reflection walls being arranged at the inlet side, and a second of the two rigid reflection walls being arranged approximately midway between the inlet side and the outlet side.