TIRE PRESSURE MONITORING

• US 20130138293A1
• Filed: 02/10/2011
• Published: 05/30/2013
• Est. Priority Date: 02/10/2010
• Status: Active Grant

• Current Assignee: Jaguar Land Rover Limited (TATA Motors Limited)
• Original Assignee: Land Rover (TATA Motors Limited)
• Inventors: Greenwood, Jeremy, Clarke, Chris
• Granted Patent: US 8,972,105 B2
• Time in Patent Office: Days
• US Class Current: 701/36
• CPC Class Codes: B60C 23/00 Devices 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
• CPC Class Codes: B60C 23/009 having wheels on a trailer
• CPC Class Codes: B60C 23/0408 transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
• CPC Class Codes: B60C 23/0415 Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
• CPC Class Codes: B60C 23/0471 System initialisation, e.g. upload or calibration of operating parameters

Abstract

A method, program and system to establish tyre monitoring of an auxiliary vehicle (2) from a main vehicle (1) is described. The main vehicle (1) detects tyre monitor identities of tyre monitors (6) of the auxiliary vehicle (2) by the main vehicle. The main vehicle (1) determines whether the auxiliary vehicle tyre monitor identities are associated with an identified auxiliary vehicle. If the auxiliary vehicle tyre monitor identities are associated with an identified auxiliary vehicle, tyre monitoring for the auxiliary vehicle (2) is established on the basis of monitoring values stored for the identified auxiliary vehicle.

Claims

1. A method to establish tire monitoring of an auxiliary vehicle from a main vehicle, the method comprising:

detection by the main vehicle of tire monitor identities of tire monitors of the auxiliary vehicle by the main vehicle;

determination by the main vehicle of whether the auxiliary vehicle tire monitor identities are associated with an identified auxiliary vehicle; and

if the auxiliary vehicle tire monitor identities are associated with an identified auxiliary vehicle, establishing tire monitoring for the auxiliary vehicle on the basis of monitoring values stored for the identified auxiliary vehicle.

2. A method as claimed in claim 1, wherein if the detected auxiliary vehicle tire monitor identities are not associated with an identified auxiliary vehicle, setting monitoring values for tire monitoring corresponding to values measured at some or all of the auxiliary vehicle-tire monitors.

3. A method as claimed in claim 2, wherein monitoring values are set corresponding to the value measured at a chosen one of the auxiliary vehicle tire monitors.

4. A method as claimed in claim 2, wherein the main vehicle determines from the measured value or values of the auxiliary vehicle tire monitors one or more thresholds or ranges to trigger warnings for tire monitor measurements.

5. A method as claimed in claim 1, wherein determination by the main vehicle of whether the detected tire monitors correspond to an identified auxiliary vehicle does not require detection of all the tire monitor identities associated with an identified auxiliary vehicle.

6. A method as claimed in claim 5, wherein an identified auxiliary vehicle is identified when not all the tire monitor identities associated with an identified auxiliary vehicle are detected, and further comprising determination of whether a detected tire monitor identity associated with neither the main vehicle nor the auxiliary vehicle should replace the non-detected tire monitor identity in an association with the identified auxiliary vehicle.

7. A method as claimed in claim 6, wherein said determination is made if the detected tire monitor identity is detected for longer than a predetermined time or for more than a predetermined number of times.

14. A method as claimed in claim 1, wherein each of the tire monitors measures tire pressure.

15. A method as claimed in claim 14, wherein each of the tire monitors also measures tire temperature.

16. A method as claimed in claim 15, wherein the main vehicle provides a warning if the tire temperature measured by any of the tire monitors exceeds a predetermined value.

17. A computer program stored in a memory, such that when a processor of a main vehicle is programmed by the computer program, the processor is adapted to perform the method of claim 1.

18. A monitoring system to enable tire monitoring of an auxiliary vehicle from a main vehicle, the monitoring system comprising:

a controller having a processor and a memory;

transceiver means to obtain information from tire monitors of the auxiliary vehicle;

and a human-machine interface to provide tire monitoring values to a user and to receive user input;

wherein the memory contains a computer program and wherein the processor is programmed to control the monitoring system to perform the method of claim 1.

8. A method to establish tire monitoring of an auxiliary vehicle from a main vehicle, the method comprising:

detection by the main vehicle of tire monitor identities of tire monitors of the auxiliary vehicle by the main vehicle;

determination by the main vehicle of whether the detected tire monitors are associated with an identified auxiliary vehicle; and

if the detected tire monitors are not associated with an identified auxiliary vehicle, setting monitoring values for tire monitoring corresponding to measured values of one or more of the auxiliary vehicle tire monitors.

9. A method as claimed in claim 8, wherein monitoring values are set corresponding to the value measured at a chosen one of the auxiliary vehicle tire monitors.

10. A method as claimed in claim 8, wherein the main vehicle determines from the measured value or values of the auxiliary vehicle tire monitors one or more thresholds or ranges to trigger warnings for tire monitor measurements.

11. A method to establish tire monitoring of an auxiliary vehicle from a main vehicle, the method comprising:

detection by the main vehicle of tire monitor identities of tire monitors of the auxiliary vehicle by the main vehicle;

determination by the determination by the main vehicle of whether the detected tire monitors are in a set of tire monitors associated with an identified auxiliary vehicle, wherein determination by the main vehicle of whether the detected tire monitors are in a set of tire monitors associated with an identified auxiliary vehicle does not require detection of all the tire monitor identities associated with an identified auxiliary vehicle.

12. A method as claimed in claim 11, wherein an identified auxiliary vehicle is identified when not all the tire monitor identities associated with an identified auxiliary vehicle are detected, and further comprising determination of whether a detected tire monitor identity associated with neither the main vehicle nor the auxiliary vehicle should replace the non-detected tire monitor identity in an association with the identified auxiliary vehicle.

13. A method as claimed in claim 12, wherein said determination is made if the detected tire monitor identity is detected for longer than a predetermined time or for more than a predetermined number of times.

19-20. -20. (canceled)