Patent ID: 7117731

Claim:
The apparatus for monitoring, maintaining and adjustment of pressure comprising: a tire having an interior space and a wall, said tire being suitable for receiving external mechanical forces when rolling on a road surface; a chamber having a shape memory, said chamber being deformable during the receiving of the external mechanical forces, said chamber having a lengthwise shape at least partially copying a shape of said tire, said chamber being connected with said interior space of said tire and an outside environment, at least one wall of said chamber being either adjacent to said wall of said tire or being part of said wall of said tire, a portion of said chamber being deformable up to a zero cross section, said chamber having a block with shape memory, said chamber being freely open at one end to an outside environment and having at least one internal valve at or adjacent to an opposite end, said at least one internal valve connecting said chamber to said interior space of said tire, said opposite end of said chamber being deformable so as to have a cross-sectional area greater than zero.