Patent ID: 6206465
Filing Date: 2001-03-27
Classification: A47C,B60N

Abstract:
Cushioning for a vehicle seat comprising:a backrest panel,a cushioning layer,a ventilation layer which covers over the whole surface of said cushioning layer in an area of said backrest panel and through which air can flow,a plurality of air ducts which completely penetrate the cushioning layer and terminate at the ventilation layer and are open on the backside of the cushioning layer, anda miniature fan arranged in a selected air duct of said air ducts for blowing air into the ventilation layer,wherein an end of the selected air duct facing the ventilation layer is constructed such that a portion of the air flow produced by the fan blows through the selected air duct and enters into an open cross-section of an end edge of the ventilation layer,wherein the selected air duct is formed by a cylindrical inserting sleeve which is provided with a spout and which is inserted into a recess into the cushioning layer, andwherein in an area of the selected air duct, the ventilation layer extends partially over an outlet opening of the spout and into the spout in such a manner that its open cross-sectional surface is acted upon by the air flow in the air duct.