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Valve layer for a seat

  • US 7,918,498 B2
  • Filed: 11/06/2008
  • Issued: 04/05/2011
  • Est. Priority Date: 12/01/2003
  • Status: Active Grant
First Claim
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1. A ventilated seat, comprising:

  • a valve sheet including at least a valve layer located between a cushion and an air permeable seat cover, wherein the valve layer includes a plurality of protrusions with one or more discontinuities disposed in a side wall of the protrusions wherein upon application of suitable force the one or more discontinuities are configured to change shape to form an opening extending through the valve layer for allowing fluid flow therethrough and upon removal of said force the one or more discontinuities return to an original shape to close the opening, wherein the valve sheet is in fluid communications with a fluid conditioning unit.

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