Importance

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Abstract

Inflation valve (330; 430) configured for use in a tyre (10)--wheel (20)--assembly, the wheel comprising a mounting rim for the tyre provided with a valve hole of diameter DT, the valve comprising: (i) a deformable valve base (335; 435) designed to fix the valve in the said valve hole in a leakproof manner, the valve base being provided with a peripheral groove (36) of diameter DR, DR being larger than DT, and of width E, designed to fit over the edge (21) of the valve hole; (ii) a rigid, rectilinear tube (33) of circular cross-section, a first end of which is configured to remain outside the tyre and a second end of which is provided with means to enable connection with a unit (40) configured to be fitted inside the tyre, the tube passing through the valve base and extending on either side of the valve base, the inflation valve comprising in the part thereof located between a first plane (71) which is perpendicular to the axis of the tube and intersects the said peripheral groove half-way along, and a second plane (72) perpendicular to the tube's axis and containing the point(s) of the valve base closest to the said second end of the tube, an annular hollow space (83;84) which separates the tube from the valve base and the volume of which is greater than or equal to ( DR 2 - DT 2 ) E 8 . ##EQU00001##

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First Claim