Patent ID: 7753440
Filing Date: 2010-07-13
Classification: B60H,B60N

Abstract:
1. A fan module for a vehicle seat, comprising: a housing including two corresponding shells each having a substantially U-shaped cross section, the housing defining at least one portion of an air-conducting duct and accommodates an air conveyor providing, in a position of use, an airflow inside the duct, the fan module being integrated into a seat back of a vehicle seat such that the duct extends toward and ends proximate to an upper edge of the seat back, wherein at least one of the housing and the duct comprises multiple sound outlet openings in the flow direction of the airflow downstream of the air conveyor and downstream of a heater arranged inside the duct, wherein at least one of the multiple sound outlet openings is arranged inside an arch of the duct close to a duct outlet, the multiple sound outlet openings extending transversely with respect to the flow direction of the airflow, wherein the at least one of the multiple sound outlet openings is covered by a sound-absorbing material, wherein the multiple sound outlet openings are recessed on a pair of opposing walls of the at least one of the housing and the duct, the opposing walls extending parallel to the seat back of the vehicle seat, wherein the sound-absorbing material is made of a foamed material, and wherein the foamed material forms a part of a cover of the vehicle seat.