US7336161B2
Expired / Lapsed
US
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Tire pressure monitoring system
Assignee: Visteon Global Technologies Inc
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Filing: 2005-05-04
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Granted: 2008-02-26
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Expires: 2025-05-04
Abstract
Abstract A tire pressure monitoring system for the wheels of a motor vehicle determines the position of each wheel.
Inventors
- 👤 David Walraet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:45
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/0415; B60C23/0416; B60C23/0486; B60C23/0489
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
117 words
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, 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.
Claim 2
Dependent Claim
117 words
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, 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.
Claim 3
Dependent Claim
27 words
System according to claim 1 , wherein the means for determining the distance traveled comprise the fixed sensors of an anti-lock brake device or electronic stability device.
Claim 4
Dependent Claim
18 words
System according to claim 1 , wherein the transmission control means comprise an accelerometric sensor with sensitive dual-axes.
Claim 5
Dependent Claim
38 words
System according to claim 3 , wherein an electronic circuit for the accelerometric sensor with sensitive dual-axes is adapted to determine a specific predetermined orientation of the earth's gravitational force in relation to the reference of the wheel.
Claim 6
Dependent Claim
19 words
System according to claim 1 , wherein the transmission control means comprise two accelerometric sensors with one sensitive axis.
Claim 7
Dependent Claim
17 words
System according to claim 3 , wherein both sensitive axes are inclined in relation to one another.
Claim 8
Dependent Claim
21 words
System according to claim 3 , wherein one or both of the sensitive dual axes are positioned in the wheel plane.
Claim 9
Dependent Claim
28 words
System according to claim 1 , wherein the transmission control means are adapted to control the transmitter at the point where the wheel has a specific predetermined orientation.
Claim 10
Dependent Claim
28 words
System according to claim 8 , wherein the specific predetermined orientation is a predetermined orientation of wheel reference in relation to the orientation of the earth's gravitational force.
Claim 11
Dependent Claim
57 words
System according to claim 4 , wherein the transmission control means comprise an accelerometric sensor and an electronic circuit for processing the suppression of the signal which it provides to suppress the DC component of the centrifugal force and to determine a specific single orientation of the earth's gravitational force in a fixed reference of the wheel.
Claim 12
Independent Claim
120 words
A method for associating a particular pressure sensor with a particular wheel, comprising: 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.
Claim 13
Independent Claim
120 words
A method for associating a particular pressure sensor with a particular wheel, comprising: 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.
Claim 14
Dependent Claim
21 words
The method of claim 11 , wherein the transmitter is configured to transmit signals based upon an orientation of the wheel.
Claim 15
Dependent Claim
18 words
The method of claim 12 , wherein the transmitter is configured to transmit signals at a predetermined orientation.
Claim 16
Dependent Claim
19 words
The method of claim 12 , wherein the transmitter is configured to transmit signals at a single predetermined orientation.
Claim 17
Dependent Claim
16 words
The method of claim 12 , wherein orientation is determined with respect to earth's gravitational force.
Claim 18
Dependent Claim
15 words
The method of claim 11 , wherein the transmitter is coupled to an accelerometric sensor.
Claim 19
Dependent Claim
20 words
The method of claim 16 , wherein the accelerometric sensor comprises at least a first axis and a second axis.
Claim 20
Dependent Claim
24 words
The method of claim 16 , wherein the accelerometric sensor comprises a single axis and the transmitter is coupled to a second accelerometric sensor.
Claim 21
Dependent Claim
21 words
The method of claim 16 , further comprising suppressing a component of data from the accelerometric sensor relating to centrifugal force.
Claim 22
Dependent Claim
22 words
The method of claim 16 , further comprising determining an orientation of the wheel with respect to gravity using the accelerometric sensor.
Claim 23
Dependent Claim
33 words
The method of claim 11 , wherein the second information is determined using a first system of the vehicle that has a purpose in addition to providing data related to the second information.
Claim 24
Dependent Claim
15 words
The method of claim 21 , wherein the first system is a stability control system.
Claim 25
Dependent Claim
22 words
The method of claim 11 , wherein the transmitter is configured to transmit data relating to tire pressure from a pressure sensor.
Claim 26
Dependent Claim
33 words
The method of claim 23 , wherein the second information is determined using a first system of the vehicle that has a purpose in addition to providing data related to the second information.
Claim 27
Dependent Claim
21 words
The method of claim 24 , wherein the transmitter is configured to transmit signals based upon an orientation of the wheel.
Claim 28
Dependent Claim
25 words
The method of claim 25 , wherein at least one of the first information and second information relate to a distance traveled by the wheel.
Claim 29
Dependent Claim
22 words
The method of claim 26 , wherein an orientation of the wheel is determined using an accelerometric sensor coupled to the transmitter.
Claim 30
Dependent Claim
25 words
The method of claim 11 , wherein at least one of the first information and second information relate to a distance traveled by the wheel.
Claim 31
Independent Claim
105 words
A method for associating a particular pressure sensor with a particular wheel, comprising: 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.
Claim 32
Independent Claim
105 words
A method for associating a particular pressure sensor with a particular wheel, comprising: 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.
Claim 33
Dependent Claim
18 words
The method of claim 29 , wherein the orientation of the wheel is determined using an accelerometric sensor.
Claim 34
Dependent Claim
25 words
The method of claim 29 , wherein at least one of the first information and second information relate to a distance traveled by the wheel.
Claim 35
Dependent Claim
65 words
The method of claim 29 , further comprising receiving information from a plurality of transmitters associated with different unknown wheel location; and receiving information from a plurality of sensors at known wheel locations; wherein comparing the first information and the second information comprises comparing information from the plurality of transmitters at unknown wheel locations and information from the plurality of sensors at known wheel locations.
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| 3.5 Years (Year 4) | 2011-02-25 | 2011-08-27 | 2012-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-02-25 | 2015-08-27 | 2016-02-26 | $3760.00 | Window Closed / Lapsed |
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