Patent ID: 11858387
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC A  B

Claim 0:
1. A ventilation system for a seat cushion comprising:
a ventilation manifold, comprising a reticulated material, disposed in the seat cushion, comprising:
a plenum having a plenum upper surface disposed adjacent the first side of the seat cushion and a plenum lower surface;
an inlet disposed in the plenum upper surface adjacent a first side of the seat cushion; and
a plurality of manifold ducts extending from the plenum upper surface, through the seat cushion to terminate in a series of outlets disposed at or near openings in a second side of the seat cushion; and
a fan motor attached adjacent the first side of the seat cushion and having a fan outlet in fluid communication with the inlet of the ventilation manifold, wherein the fan motor operates to apply one of a positive or a negative pressure, via the fan outlet, to the ventilation manifold to supply air to through the ventilation manifold and the seat cushion;
an air impermeable seal membrane closing the plenum lower surface to prevent air flow therethrough; and
an opening in the air impermeable seal membrane that receives the fan outlet of the fan motor therein for fluid connection with the plenum.