EP0958154A1 - Systeme avertisseur de la pression des pneus - Google Patents

Systeme avertisseur de la pression des pneus

Info

Publication number
EP0958154A1
EP0958154A1 EP98903139A EP98903139A EP0958154A1 EP 0958154 A1 EP0958154 A1 EP 0958154A1 EP 98903139 A EP98903139 A EP 98903139A EP 98903139 A EP98903139 A EP 98903139A EP 0958154 A1 EP0958154 A1 EP 0958154A1
Authority
EP
European Patent Office
Prior art keywords
sensor
tyre
pressure
transmitter
signal
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.)
Withdrawn
Application number
EP98903139A
Other languages
German (de)
English (en)
Inventor
David Caradoc Owens
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.)
XPERTECH Ltd
Original Assignee
XPERTECH Ltd
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
Application filed by XPERTECH Ltd filed Critical XPERTECH Ltd
Publication of EP0958154A1 publication Critical patent/EP0958154A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—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
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling 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

Definitions

  • FIG 1 there are shown four sensor units 2 each coupled to a respective transmitter 4. These units are included in a unit which screws onto a tyre valve and replaces its dust cap. On a four-wheel vehicle the system would be as shown in Figure 1 with four sensor/transmitter units, one attached to the dust cap on each wheel. It can however be used on two wheel vehicles or vehicles with more than four tyres or wheels.
  • the sensors are coupled to the microprocessor which monitors the output signal from its respective sensor and, if the signal alters in such a way as to indicate that the pressure in the respective tyre has changed from the first encountered pressure by more than the predetermined amount, the processor controls the transmitter to transmit a warning signal to the data processing unit 6 which receives it by means of receiver 8.
  • This warning signal comprises an identification signal identifying the sensor.
  • the identification signal is a 16-bit coded signal which enables over 65,000 different sensor identification codes to be used. This makes the chance of a signal from a sensor with a corresponding ID on another vehicle being sent to the data processing unit 6 very remote. Previous systems such as the TireMate system included the possibility of only 14 individual settings for sensor identification codes.

Abstract

L'invention concerne un système de surveillance de la pression des pneus d'un véhicule, qui présente une pluralité d'unités capteur/émetteur (2, 4), une pour chaque pneu du véhicule. Chaque unité capteur/émetteur (2, 4) possède un transducteur de pression (2) et un processeur (14). Ce processeur (14) compare un signal de pression courant provenant du transducteur à un signal de pression stocké dans sa mémoire et qui correspond à la première pression relevée lors de l'installation du transducteur. Le processeur (14) comprend des moyens destinés à transmettre un signal d'anomalie lorsque le signal de pression courant diffère du signal de pression stocké en mémoire d'une valeur supérieure à une grandeur déterminée. Une unité de surveillance (6) reçoit les signaux d'anomalie provenant des transducteurs et comprend des moyens (24) permettant d'indiquer une anomalie.
EP98903139A 1997-02-05 1998-02-05 Systeme avertisseur de la pression des pneus Withdrawn EP0958154A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9702295.8A GB9702295D0 (en) 1997-02-05 1997-02-05 Tyre pressure warning system
GB9702295 1997-02-05
PCT/GB1998/000358 WO1998034799A1 (fr) 1997-02-05 1998-02-05 Systeme avertisseur de la pression des pneus

Publications (1)

Publication Number Publication Date
EP0958154A1 true EP0958154A1 (fr) 1999-11-24

Family

ID=10807092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98903139A Withdrawn EP0958154A1 (fr) 1997-02-05 1998-02-05 Systeme avertisseur de la pression des pneus

Country Status (4)

Country Link
EP (1) EP0958154A1 (fr)
CA (1) CA2280521A1 (fr)
GB (1) GB9702295D0 (fr)
WO (1) WO1998034799A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4611537B2 (ja) * 2000-06-09 2011-01-12 本田技研工業株式会社 車載用タイヤ空気圧検知装置
EP1309460B1 (fr) * 2000-07-26 2010-08-25 Bridgestone Americas Tire Operations, LLC Systeme electronique de gestion de pneus
GB2386952B (en) * 2002-03-27 2005-09-07 Mitutoyo Corp Pressure gauge and pressure measuring system
JP3671942B2 (ja) * 2002-07-24 2005-07-13 株式会社デンソー タイヤ空気圧センサのｉｄ登録方法、タイヤ空気圧監視装置及びタイヤ空気圧センサと、タイヤ空気圧監視プログラム
US20050270148A1 (en) * 2004-06-07 2005-12-08 Calvin Modawell Trailer tire monitoring system and method
US7825782B2 (en) * 2007-03-20 2010-11-02 Ford Global Technologies, Llc Device and method for wireless vehicle communication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303591C2 (de) * 1993-02-08 1996-02-22 Alpha Beta Electronics Ag Ventilkappe mit einer Einrichtung zur Erzeugung eines Druckanzeigesignals für einen mit einem Ventil ausgerüsteten Fahrzeugreifen
BR9307763A (pt) * 1993-03-11 1995-10-24 Schrader Automotive Inc Sistema de monitoração de pressão de pneu remoto que emprega identificação de núcleo codificada e transmissão de rádio frequência e que permite a recalibração quando da rotação ou substituição do pneu
EP0778803A2 (fr) * 1994-08-31 1997-06-18 Otter Controls Limited Systeme de surveillance de l'etat de pneumatiques
DE19522486C2 (de) * 1995-06-21 1999-04-22 Duerrwaechter E Dr Doduco Verfahren zum Betreiben einer Einrichtung zum Überwachen und drahtlosen Signalisieren einer Druckänderung in Luftreifen an Fahrzeugen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9834799A1 *

Also Published As

Publication number Publication date
CA2280521A1 (fr) 1998-08-13
GB9702295D0 (en) 1997-03-26
WO1998034799A1 (fr) 1998-08-13

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