Tire Module With Piezoelectric Converter
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Abstract
A tire module for sensing deflection of a tire and a method of sensing deflection of the tire. The tire module includes a piezoelectric converter that is configured for installation on an inside surface of the tire. The piezoelectric converter includes at least one elastically deformable region that is formed from piezoelectric material. A deflection limiting means is configured to delimit deflection of the elastically deformable region.
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Citations
46 Claims
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1-20. -20. (canceled)
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21. A tire module for sensing deflection of a tire comprising:
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a piezoelectric converter configured for installation on an inside surface of a tire; the piezoelectric converter including at least one elastically deformable region formed from piezoelectric material; and a deflection limiting means configured to delimit deflection of the elastically deformable region. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 45)
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42. A tire monitoring system comprising:
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a plurality of tire modules each being configured for sensing deflection of a respective tire; each tire module including a piezoelectric converter configured for installation on an inside surface of a tire, the piezoelectric converter including at least one elastically deformable region formed from piezoelectric material, and a deflection limiting means configured for delimiting deflection of the elastically deformable region; a central unit configured for receiving signals from each tire module. - View Dependent Claims (43, 44)
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46. A method of sensing deflection of a tire comprising the steps of:
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deforming at least one elastically deformable region of a tire module that is coupled to or composed of a piezoelectric material, wherein the tire module is positioned on a surface of the tire; delimiting deformation of the at least one of the elastically deformable region; and generating an electrical potential within the piezoelectric material in response to the deforming step.
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Specification