Thermoelectric tire pressure monitor sensor
First Claim
Patent Images
1. A batteryless tire pressure sensing device comprising:
- a sensing module disposed within a tire for sensing at least one pressure-related parameter of said tire; and
a thermoelectric module converting heat into electrical energy for energizing said sensing module, said thermoelectric module including a first thermal conductive substrate exposed to a first temperature and a second thermal conductive substrate exposed to a second temperature;
wherein said heat conversion is generated between said first thermal conductive substrate and said second thermal conductive substrate in response to rotational movement of said tires.
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Abstract
A batteryless tire pressure sensing device includes a sensing module disposed within a tire for sensing at least one pressure-related parameter of said tire. A thermoelectric module is provided for converting heat into electrical energy for energizing the sensing module. The thermoelectric module includes a first thermal conductive substrate exposed to a first temperature and a second thermal conductive substrate exposed to a second temperature. The heat conversion is generated between the first thermal conductive substrate and the second thermal conductive substrate in response to rotational movement of the tires.
19 Citations
20 Claims
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1. A batteryless tire pressure sensing device comprising:
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a sensing module disposed within a tire for sensing at least one pressure-related parameter of said tire; and
a thermoelectric module converting heat into electrical energy for energizing said sensing module, said thermoelectric module including a first thermal conductive substrate exposed to a first temperature and a second thermal conductive substrate exposed to a second temperature;
wherein said heat conversion is generated between said first thermal conductive substrate and said second thermal conductive substrate in response to rotational movement of said tires. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for providing electrical energy to a tire pressure sensing device, the method comprising the steps of:
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providing a sensing module for sensing at least one parameter of a tire;
electrically connecting a thermoelectric generator to said sensing module;
exposing a first thermal conductive substrate of said thermoelectric generator to a first temperature responsive to thermal energy generated by tire movement and a second thermal conductive substrate of said thermoelectric generator to a second temperature, said first temperature being higher than said second temperature; and
applying electrical energy generated by said thermoelectric generator to said sensing module. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification