Magna Seating Inc

Rene Chauvin

Eric Kozlowski

Daniel Wyatt

Bruno Carraro

Daniel C Wyatt

Bruno D Carraro

Craig Prasatek

Andrew M Vivian

A pressure sensing system (), seat cushion () incorporating the pressure sensing system, and method of sensing a weight group associated with an occupant of an automotive seat are described. The pressure sensing system includes a layer of an electrically conductive foam () and a flexible printed circuit () that includes a flexible substrate () and N horizontal sensing wires () and M vertical sensing wires () securely placed on a top surface of the flexible substrate. The horizontal sensing wires intersect with the vertical sensing wires and form N×M intersections. The layer of an electrically conductive foam is placed on top of the N horizontal sensing wires and the M vertical sensing wires. When a pressure is applied to the layer of the electrically conductive foam, each intersection generates in real time an electric flux density value to reflect a degree of a compression caused by the pressure to a corresponding point of the electrically conductive foam.

Pressure sensing system and seat cushion having the pressure sensing system

A seat trim cover having a 3-dimensional shape for an automotive vehicle seat is formed by pre-cutting a laminate blank into a predefined shape having a predefined selvage extending around an outer periphery of the laminate blank, vacuum forming the laminate blank in a 3-dimensional mold to form a 3-dimensional laminate blank, and forming a molded foam backing on the 3-dimensional shaped laminate blank to form the seat trim cover. The molded foam backing has an outer perimeter that is spaced apart from the predefined selvage such that the predefined selvage is free of foam.

Panel assembly with molded foam backing

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Desbarats, Canada

Rene Chauvin