Device for monitoring and cold checking of inflation pressure of vehicle tires

• US 5,460,037 A
• Filed: 06/24/1994
• Issued: 10/24/1995
• Est. Priority Date: 06/25/1993
• Status: Expired due to Term

• Current Assignee: Compagnie Generale DES Etablissements Michelin SCA
• Original Assignee: Compagnie Generale Des Etablissements Michelin
• Inventors: Francois, Jean-Pierre, Chamussy, Jean-Francois
• Primary Examiner(s): Chilcot, Richard
• Assistant Examiner(s): THOMPSON, JEWEL VERGIE
• Application Number:
  US08/265,017
• Time in Patent Office: 487 Days
• Field of Search: 73/143.2, 73/143.3, 73/143.5
• US Class Current: 73/146.3
• CPC Class Codes: B60C 23/007 having multiple wheels arranged side by side
• CPC Class Codes: B60C 23/0408 transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver

Abstract

A device for monitoring and "cold" checking of an inflation pressure of ts of a vehicle. The device monitors the inflation pressure of the tires with a central processing unit, as well as a socket placed on the vehicle, connected to the central processing unit and which is able to be connected to a portable checking box. This portable checking box can supply power to and communicate with the central processing unit, to thereby check the pressure of the tires "cold" from outside of the vehicle.

Claims

1. A device for monitoring an inflation pressure of tires of a stopped vehicle comprising:

means for measuring the inflation pressure of each tire;

a central processing unit for analyzing the measurements with reference to ranges of stored values to thus detect abnormal pressure values;

means for transmitting said measurements to said central processing unit;

means for transmitting an alarm to the driver of the vehicle;

autonomous means for supplying said central processing unit with power and for communicating with the central processing unit, from outside the stopped vehicle, for thereby monitoring the inflation pressure of each of the tires from outside the stopped vehicle.

2. The device for monitoring an inflation pressure of tires of a stopped vehicle according to claim 1, wherein the autonomous means for supplying the central processing unit with power and for communicating with the central processing means comprises a portable checking box, equipped with an autonomous electric supply means, that can be connected to a socket placed on the vehicle and connected to said central processing unit.

3. The device for monitoring an inflation pressure of the tires of a stopped vehicle according to claim 1, wherein the ranges of stored values stored in the central processing unit can be modified by the portable checking box.

4. The device for monitoring inflation pressure of the tires of a stopped vehicle according to claim 2, wherein the ranges of stored values stored in the central processing unit can be modified by the portable checking box.

5. A device for monitoring an inflation pressure of tires of a stopped vehicle comprising:

means for measuring the inflation pressure of each tire;

a central processing means for analyzing the measured inflation pressures in comparison to stored inflation pressure values, to generate analyzed data;

an autonomous means for supplying power to the central processing means and for receiving the analyzed data from the central processing means, from outside of the stopped vehicle, for thereby monitoring the inflation pressure of each of the tires from outside the stopped vehicle.

6. The device according to claim 5, further comprising an alarm for issuing a warning signal if an abnormal value is measured for the inflation pressure of at least one tire.

7. The device according to claim 5, wherein the automonomous means further includes a control for modifying the stored inflation pressure values.

8. The device according to claim 6, wherein the automonomous means further includes a control for modifying the stored inflation pressure values.

9. A device for monitoring an inflation pressure of tires of a stopped vehicle comprising:

a measuring unit measuring the inflation pressure of each tire;

a central processing unit analyzing the measured inflation pressures in comparison to stored inflation pressure values, to generate analyzed data;

an autonomous unit supplying power to the central processing unit and receiving the analyzed data from the central processing unit, from outside of the stopped vehicle, for thereby monitoring the inflation pressure of each of the tires from outside the stopped vehicle.

10. The device according to claim 9, further comprising an alarm issuing a warning signal if an abnormal value is measured for the inflation pressure of at least one tire.

11. The device according to claim 9, wherein the automonomous unit further includes a control for modifying the stored inflation pressure values.

12. The device according to claim 10, wherein the automonomous unit further includes a control for modifying the stored inflation pressure values.