CA2676102A1 - Electronic tire management system - Google Patents

Electronic tire management system Download PDF

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Publication number
CA2676102A1
CA2676102A1 CA002676102A CA2676102A CA2676102A1 CA 2676102 A1 CA2676102 A1 CA 2676102A1 CA 002676102 A CA002676102 A CA 002676102A CA 2676102 A CA2676102 A CA 2676102A CA 2676102 A1 CA2676102 A1 CA 2676102A1
Authority
CA
Canada
Prior art keywords
tire
microprocessor
pressure
tag
programmed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002676102A
Other languages
French (fr)
Other versions
CA2676102C (en
Inventor
Gordon E. Hardman
John W. Pyne
Molly A. Hardman
David A. Przygocki
David M. Coombs
Paul B. Wilson
Ronald C. Grush
Philip B. Loudin
Brett W. Floyd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Americas Tire Operations LLC
Original Assignee
Bridgestone/Firestone, Inc.
Gordon E. Hardman
John W. Pyne
Molly A. Hardman
David A. Przygocki
David M. Coombs
Paul B. Wilson
Ronald C. Grush
Philip B. Loudin
Brett W. Floyd
Bridgestone/Firestone North American Tire, Llc
Bridgestone Firestone North American Tire, Llc
Bridgestone Americas Tire Operations, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22825456&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2676102(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bridgestone/Firestone, Inc., Gordon E. Hardman, John W. Pyne, Molly A. Hardman, David A. Przygocki, David M. Coombs, Paul B. Wilson, Ronald C. Grush, Philip B. Loudin, Brett W. Floyd, Bridgestone/Firestone North American Tire, Llc, Bridgestone Firestone North American Tire, Llc, Bridgestone Americas Tire Operations, Llc filed Critical Bridgestone/Firestone, Inc.
Priority to CA2743631A priority Critical patent/CA2743631A1/en
Publication of CA2676102A1 publication Critical patent/CA2676102A1/en
Application granted granted Critical
Publication of CA2676102C publication Critical patent/CA2676102C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491Constructional details of means for attaching the control device
    • B60C23/0493Constructional details of means for attaching the control device for attachment on the tyre
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0435Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
    • B60C23/0438Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender comprising signal transmission means, e.g. for a bidirectional communication with a corresponding wheel mounted receiver
    • B60C23/0442Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender comprising signal transmission means, e.g. for a bidirectional communication with a corresponding wheel mounted receiver the transmitted signal comprises further information, e.g. instruction codes, sensor characteristics or identification data
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0435Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
    • B60C23/0444Antenna structures, control or arrangements thereof, e.g. for directional antennas, diversity antenna, antenna multiplexing or antennas integrated in fenders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0447Wheel or tyre mounted circuits
    • B60C23/0454Means for changing operation mode, e.g. sleep mode, factory mode or energy save mode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0447Wheel or tyre mounted circuits
    • B60C23/0455Transmission control of wireless signals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0447Wheel or tyre mounted circuits
    • B60C23/0455Transmission control of wireless signals
    • B60C23/0457Transmission control of wireless signals self triggered by timer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433Radio signals
    • B60C23/0447Wheel or tyre mounted circuits
    • B60C23/0455Transmission control of wireless signals
    • B60C23/0462Structure of transmission protocol
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0474Measurement control, e.g. setting measurement rate or calibrating of sensors; Further processing of measured values, e.g. filtering, compensating or slope monitoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02Signalling devices actuated by tyre pressure
    • B60C23/04Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0474Measurement control, e.g. setting measurement rate or calibrating of sensors; Further processing of measured values, e.g. filtering, compensating or slope monitoring
    • B60C23/0476Temperature compensation of measured pressure values
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061Accessories, details or auxiliary operations not otherwise provided for
    • B29D2030/0072Attaching fasteners to tyres, e.g. patches, in order to connect devices to tyres

Abstract

An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor (18) for measuring the device parameter and generating a data signal representing the measured parameter.
The system also includes a microprocessor (16) coupled to the sensor (18) for activating the sensor (18) on a first periodic basis to measure the device parameter. The microprocessor (16) includes a memory for storing the generated data signal representing the measured parameter. A transmitter/receiver (21) is coupled to the microprocessor (16).
The microprocessor (16) periodically partially awakens to determine, on a second periodic basis, if a received transmission is a valid interrogation signal and, if so, fully awakens and responds to the valid interrogation signal, via the transmitter, by at least transmitting the last stored measured parameter. In one embodiment, the device is a tire tag (14) mounted inside a tire that measures tire data and transmits that data to a remote source (26) in response to an interrogation request, an alert condition, or automatically on a periodic basis.

Claims (22)

1. A tire tag system comprising:
a sensor for measuring at least one tire parameter;
a microprocessor for causing the tire tag to enter a deep sleep mode in which a minimum number of electrical components are powered to conserve battery power;
the microprocessor, on a periodic basis, enabling only the electrical components necessary to enter a lucid sleep mode, initiate a low-speed clock, and determine if it is time to enter a search mode;
a receiver coupled to the microprocessor;

the microprocessor, on a periodic basis, enabling only the electrical components necessary to enter a search mode, use the low-speed clock, read data from the sensor, if it is time for such a reading, determine if a transmission received by the receiver is likely an interrogation signal from a reader/transceiver (RT) and, if so, enable all of the necessary electrical components required to enter an interrogation mode and initiate a high-speed clock.
2. The system of claim 1, wherein the microprocessor, in the search mode, determines if it is time to perform an autonomous transmission (AT).
3. The system of claim 1, wherein the microprocessor, in the interrogation mode, determines whether the transmission is a valid interrogation signal and, if so, responds thereto.
4. The system of claim 3, wherein the microprocessor determines whether the transmission is a valid interrogation signal by examining a portion of the transmission and, if the portion of the transmission appears to be a valid interrogation signal, reading the rest of the transmission to verify that the transmission is a valid interrogation signal.
5. The system of claim 4, wherein the microprocessor responds to the valid interrogation signal by transmitting the last stored sensor data.
6. The system of claim 1, wherein the tire tag remains in the search mode looking for likely interrogation signals for a first predetermined period of time and then returns to the deep sleep mode for a second predetermined period of time.
7. The system of claim 1, wherein the microprocessor includes two internal oscillators for producing the low-speed clock for operating the tire tag in the lucid sleep mode and the search mode, and the high-speed clock for operating the tire tag in the interrogation mode.
8. A tire tag comprising:
a microprocessor programmed to:
store the cold-fill temperature of a vehicle tire;
measure the hot-inflation pressure and temperature of the vehicle tire during operation of the tire;
calculate an equivalent cold pressure of the tire using the ideal gas equation:
PV = nRTwhere, P = pressure exerted by the gas in the tire (a variable);
V = volume of the chamber containing the gas (essentially a constant);
n number of moles of gas contained within the tire (a constant);
R a constant specific to the gas contained within the tire;
T temperature of the gas contained within the tire (a variable); and T1/P1 = T2/P2where PI = pressure at time t1 (cold-fill reference pressure) P2 = pressure at time t2 (current hot pressure) T1 = temperature at time t1 (cold-fill reference temperature) T2 = temperature at time t2 (current hot temperature); and compare the calculated equivalent cold pressure with a stored Target Cold-fill Inflation Pressure specified by the manufacturer of the tire to determine if the tire is properly inflated during operation.
9. A tire tag comprising:
a microprocessor programmed to:

measure the current hot pressure (P2) and the current hot temperature (T2);
and determine an equivalent cold pressure of a tire using P2 and T2.
10. The tire tag of claim 9, wherein the microprocessor is programmed to use the combined gas laws of Boyle and Charles to calculate the equivalent cold pressure of the tire from P2 and T2.
11. The tire tag of claim 9, wherein the microprocessor is programmed to use altitude pressure data to calculate a cold tire pressure based upon the elevation of the area where the tire tag is used.
12. The tire tag of claim 9, wherein the tire contains a liquid and the microprocessor is programmed to correct P2 to account for vapor pressure in the tire.
13. The tire tag of claim 12, wherein the microprocessor is programmed to determine the partial pressure of the liquid, and to subtract the partial pressure from P2.
14. The tire tag of claim 12, wherein the liquid is water.
15. The tire tag of claim 12, wherein the liquid is a commercial grade fluid.
16. An interrogator comprising:
a microprocessor programmed to:
receive the current hot pressure (P2) and the current hot temperature (T2) readings from a tag; and determine an equivalent cold pressure of a tire using P2 and T2.
17. The interrogator of claim 16, wherein the microprocessor is programmed to use the combined gas laws of Boyle and Charles to calculate the equivalent cold pressure of the tire from P2 and T2.
18. The interrogator of claim 16, wherein the microprocessor is programmed to use altitude pressure data to calculate a cold tire pressure based upon the elevation of the area where the tire tag is used.
19. The interrogator of claim 16, wherein the tire contains a liquid and the microprocessor is programmed to correct P2 to account for vapor pressure in the tire.
20. The interrogator of claim 19, wherein the microprocessor is programmed to determine the partial pressure of the liquid, and to subtract the partial pressure from P2.
21. The interrogator of claim 19, wherein the liquid is water.
22. The interrogator of claim 19, wherein the liquid is a commercial grade fluid.
CA2676102A 2000-07-26 2001-07-26 Electronic tire management system Expired - Lifetime CA2676102C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2743631A CA2743631A1 (en) 2000-07-26 2001-07-26 Electronic tire management system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22089600P 2000-07-26 2000-07-26
US60/220,896 2000-07-26
CA002417430A CA2417430C (en) 2000-07-26 2001-07-26 Electronic tire management system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002417430A Division CA2417430C (en) 2000-07-26 2001-07-26 Electronic tire management system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2743631A Division CA2743631A1 (en) 2000-07-26 2001-07-26 Electronic tire management system

Publications (2)

Publication Number Publication Date
CA2676102A1 true CA2676102A1 (en) 2002-01-31
CA2676102C CA2676102C (en) 2012-01-10

Family

ID=22825456

Family Applications (4)

Application Number Title Priority Date Filing Date
CA2676102A Expired - Lifetime CA2676102C (en) 2000-07-26 2001-07-26 Electronic tire management system
CA2676101A Expired - Lifetime CA2676101C (en) 2000-07-26 2001-07-26 Electronic tire management system
CA2743631A Abandoned CA2743631A1 (en) 2000-07-26 2001-07-26 Electronic tire management system
CA002417430A Expired - Lifetime CA2417430C (en) 2000-07-26 2001-07-26 Electronic tire management system

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA2676101A Expired - Lifetime CA2676101C (en) 2000-07-26 2001-07-26 Electronic tire management system
CA2743631A Abandoned CA2743631A1 (en) 2000-07-26 2001-07-26 Electronic tire management system
CA002417430A Expired - Lifetime CA2417430C (en) 2000-07-26 2001-07-26 Electronic tire management system

Country Status (12)

Country Link
US (2) US6630885B2 (en)
EP (6) EP2272688B1 (en)
JP (5) JP5099532B2 (en)
AT (2) ATE543669T1 (en)
AU (11) AU8082301A (en)
BR (2) BR122014006372B1 (en)
CA (4) CA2676102C (en)
DE (1) DE60142907D1 (en)
ES (3) ES2348658T3 (en)
MX (2) MXPA06014037A (en)
PE (1) PE20030228A1 (en)
WO (1) WO2002007993A2 (en)

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