System an method for harvesting electric power from a rotating tire static electricity

A technology for tires and pneumatic tires, applied in tire measurement, tire parts, tire tread/tread pattern, etc., can solve the problem of reducing tire conductivity

Active Publication Date: 2006-03-29
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general, increasing the proportion of silicon relative to carbon black can reduce the electrical conductivity of the tire

Method used

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  • System an method for harvesting electric power from a rotating tire static electricity
  • System an method for harvesting electric power from a rotating tire static electricity
  • System an method for harvesting electric power from a rotating tire static electricity

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Embodiment Construction

[0036] As described in the summary of the present invention, the present invention specifically relates to a system and method for collecting electric energy in a tire structure, and also provides technical features for releasing the accumulated electric charge from the tire structure. Then, when the accumulated amount of charge collected is sufficient, it can be used to power an electronic system, where the electronic system includes, for example, electronic components that identify various tire physical parameters and radio frequency emission devices.

[0037] The technical feature for releasing the accumulation of static electricity from the inside of the tire structure includes a conductive material part inserted between the inner and outer surfaces of the tire structure. In Figure 1 to image 3 The technical content of this conductive material part and its connection with the tire structure is shown in. in Figure 2 to Figure 4 Shows an energy storage device and other electric...

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PUM

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Abstract

A power harvesting solution concerns a generally non-conductive tire structure that is formed with at least one defined conductivity path through which static electricity accumulated in the tire structure during tire rotation can dissipate to ground. Such conductivity path is formed from a portion of conductive material that may be partially surrounded by additional insulative material to restrict the flow of electric charge to ground. An energy storage device, such as a capacitor or rechargeable battery, is coupled with the conductivity path and configured to store selected amounts of the electric charge to dissipating through the conductivity path. Various diode elements may be provided in combination with the energy storage device to prevent reverse discharging of and to provide voltage protection for the energy storage device. Sufficient accumulations of such harvested energy can then power tire electronic systems, including various condition-responsive devices (i.e., sensors, etc.) a revolution counter, a radio frequency (RF) device, a rechargeable battery or a lighting device.

Description

Technical field [0001] The present invention generally relates to tire electronic components that are self-powered by the electric charge accumulated during the rotation of conventional tires. More specifically, a pneumatic tire structure with normally non-conductive parts can be constructed with at least one conductive section passing through the tire structure and the tread portion, thereby providing a passage through which accumulated static electricity can be discharged to the ground At the same time, part of the static electricity in the channel is collected in an energy storage device. When the energy collected in this way accumulates enough, it can power the tire electronic system, where the tire electronic system includes various state response devices (ie, sensors, etc.), radio frequency (RF) transmitting devices, and other components. Background technique [0002] The combination of pneumatic tire structure and electronic devices has produced many practical advantages. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04B60C11/00B60C13/00B60C19/00B60C19/08
CPCB60C19/08B60C11/00B60C19/00B60C23/0493B60C23/041B29D2030/0094B60C13/00
Inventor J·D·亚当森G·P·奥布赖恩
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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