Temperature corrected tire pressure gauge and method
First Claim
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1. A device for determining a temperature-corrected tire pressure, comprising:
- an input for preselecting a baseline temperature;
a temperature measuring means for determining a second temperature;
a pressure measuring means for determining an actual tire pressure at the second temperature;
a processor for calculating a corrected tire pressure corresponding to the baseline temperature based on the actual tire pressure at the second temperature and any difference between the baseline temperature and the second temperature;
a means for displaying the calculated corrected pressure.
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Abstract
Disclosed is a device (10) and method for determining a temperature-corrected tire pressure. A preselected baseline temperature (26) is measured or selected. A second temperature (28) is measured using a temperature probe (22). An actual tire pressure (30) is measured (24). A programmed processor calculates and displays (14) a corrected tire pressure (32) corresponding to the baseline temperature (26) according the ideal gas law.
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Citations
14 Claims
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1. A device for determining a temperature-corrected tire pressure, comprising:
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an input for preselecting a baseline temperature;
a temperature measuring means for determining a second temperature;
a pressure measuring means for determining an actual tire pressure at the second temperature;
a processor for calculating a corrected tire pressure corresponding to the baseline temperature based on the actual tire pressure at the second temperature and any difference between the baseline temperature and the second temperature;
a means for displaying the calculated corrected pressure. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for determining a temperature-corrected tire pressure, comprising:
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selecting a baseline temperature;
providing a tire temperature measuring means;
measuring actual current tire temperature as an estimation of internal air temperature;
providing a tire pressure measuring means;
measuring tire pressure at current temperature;
comparing the first and second tire temperatures to determine any difference;
calculating an adjusted tire pressure corresponding to the baseline temperature according to any determined temperature difference; and
displaying the adjusted tire pressure. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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Specification