Tire pressure monitoring system
First Claim
Patent Images
1. Tire pressure monitoring system for wheels of a motor vehicle, comprising:
- a control unit,a pressure sensor mounted on each wheel associated to a transmitter by which it transmits a pressure signal to the control unit containing, at least, the pressure sensor'"'"'s identification data, andmeans for determining a distance traveled by each wheel,transmission control means adapted to control transmission of transmitters when their associated wheel reaches a predetermined orientation,means for timing the transmissions,a module for calculating the distance traveled by each wheel between two transmissions, anda positioning module for comparing the distances determined by said means for determining the distance traveled by each wheel and the distances determined by said calculation module.
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Abstract
A tire pressure monitoring system for the wheels of a motor vehicle determines the position of each wheel.
47 Citations
32 Claims
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1. Tire pressure monitoring system for wheels of a motor vehicle, comprising:
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a control unit, a pressure sensor mounted on each wheel associated to a transmitter by which it transmits a pressure signal to the control unit containing, at least, the pressure sensor'"'"'s identification data, and means for determining a distance traveled by each wheel, transmission control means adapted to control transmission of transmitters when their associated wheel reaches a predetermined orientation, means for timing the transmissions, a module for calculating the distance traveled by each wheel between two transmissions, and a positioning module for comparing the distances determined by said means for determining the distance traveled by each wheel and the distances determined by said calculation module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for associating a particular pressure sensor with a particular wheel, comprising:
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transmitting a signal from a transmitter coupled to a wheel, the signal including information capable of being used to identify the wheel, the first information being transmitted from one of a plurality of unknown wheel locations; using the signal from the transmitter to determine first information relating to the wheel; determining second information relating to the wheel, the second information being received from a known wheel location; and comparing the first information and the second information to associate a pressure sensor with a wheel location; wherein the transmitter coupled to the wheel does not need to continuously transmit a signal in order to determine the first information. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method for associating a particular pressure sensor with a particular wheel, comprising:
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transmitting a signal from a transmitter coupled to a wheel based on an orientation of the wheel, the signal including information capable of being used to identify the wheel, the first information being transmitted from one of a plurality of unknown wheel locations; using the signal from the transmitter to determine first information relating to the wheel; determining second information relating to the wheel, the second information being received from a known wheel location; and comparing the first information and the second information to associate a pressure sensor with a wheel location. - View Dependent Claims (30, 31, 32)
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Specification