DE69618869D1 - Reifendruck-Schätzsystem - Google Patents

Reifendruck-Schätzsystem

Info

Publication number
DE69618869D1
DE69618869D1 DE69618869T DE69618869T DE69618869D1 DE 69618869 D1 DE69618869 D1 DE 69618869D1 DE 69618869 T DE69618869 T DE 69618869T DE 69618869 T DE69618869 T DE 69618869T DE 69618869 D1 DE69618869 D1 DE 69618869D1
Authority
DE
Germany
Prior art keywords
tire pressure
estimating system
pressure estimating
tire
pressure
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.)
Expired - Lifetime
Application number
DE69618869T
Other languages
English (en)
Other versions
DE69618869T2 (de
Inventor
Koji Ogusu
Naoki Matsumoto
Takaharu Idogaki
Shinichi Tamura
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of DE69618869D1 publication Critical patent/DE69618869D1/de
Application granted granted Critical
Publication of DE69618869T2 publication Critical patent/DE69618869T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
    • B60C23/061—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle by monitoring wheel speed
    • B60C23/062—Frequency spectrum analysis of wheel speed signals, e.g. using Fourier transformation
    • 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
    • B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
    • B60C23/061—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle by monitoring wheel speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Measuring Fluid Pressure (AREA)
DE69618869T 1995-08-04 1996-08-02 Reifendruck-Schätzsystem Expired - Lifetime DE69618869T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20005095 1995-08-04
JP24477495A JP3175552B2 (ja) 1995-08-04 1995-09-22 タイヤ空気圧推定装置

Publications (2)

Publication Number Publication Date
DE69618869D1 true DE69618869D1 (de) 2002-03-14
DE69618869T2 DE69618869T2 (de) 2002-09-19

Family

ID=26511930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618869T Expired - Lifetime DE69618869T2 (de) 1995-08-04 1996-08-02 Reifendruck-Schätzsystem

Country Status (4)

Country Link
US (1) US5753809A (de)
EP (1) EP0756951B1 (de)
JP (1) JP3175552B2 (de)
DE (1) DE69618869T2 (de)

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US5839801A (en) * 1997-04-04 1998-11-24 Itt Manufacturing Enterprises, Inc. Variable tire pressure traction control enhancement
EP0895880B1 (de) * 1997-08-08 2004-06-09 Denso Corporation Gerät zur Reifendruckabschätzung
DE19735313B4 (de) * 1997-08-14 2008-02-07 Bayerische Motoren Werke Ag Verfahren zur Ermittlung von geschwindigkeitsunabhängigen Frequenzen eines Nutzsignalanteils
US6137400A (en) * 1997-08-22 2000-10-24 Sumitomo Rubber Industries, Ltd. Apparatus and method for detecting decrease in tire air-pressure
JP3340961B2 (ja) * 1997-10-06 2002-11-05 住友ゴム工業株式会社 タイヤ空気圧低下警報装置および方法
JP3685940B2 (ja) * 1999-02-01 2005-08-24 日信工業株式会社 車両の運動制御装置における車輪速入力系の故障診断装置
DE19917034C1 (de) 1999-04-15 2000-11-23 Continental Ag Verfahren zur Überwachung des Luftdrucks der Reifen eines Kraftfahrzeuges
JP3565106B2 (ja) 1999-08-30 2004-09-15 株式会社デンソー タイヤ空気圧警報装置
US6970076B1 (en) * 2000-01-14 2005-11-29 Schrader-Bridgeport International, Inc. Method and apparatus for communication of data in a remote tire monitoring system
JP4534072B2 (ja) * 2000-04-11 2010-09-01 住友ゴム工業株式会社 タイヤ空気圧低下警報装置および方法、ならびにタイヤの内圧低下判定消去プログラム
SE0002213D0 (sv) 2000-04-12 2000-06-13 Nira Automotive Ab Tire pressure computation system
EP1167086B1 (de) * 2000-06-21 2009-12-09 Sumitomo Rubber Industries Limited Gerät und Verfahren zum Detektieren eines Druckabfalls im Reifen
JP3475165B2 (ja) * 2000-09-20 2003-12-08 住友ゴム工業株式会社 タイヤ空気圧低下警報装置および方法
JP3769459B2 (ja) * 2000-10-13 2006-04-26 株式会社豊田中央研究所 タイヤバースト予測装置
JP2002337521A (ja) * 2001-05-18 2002-11-27 Denso Corp タイヤ空気圧推定装置
US7668946B1 (en) * 2001-08-31 2010-02-23 Aol Advertising Inc. Traffic estimation
US6693522B2 (en) 2001-10-12 2004-02-17 Lear Corporation System and method for tire pressure monitoring including automatic tire location recognition
US6864803B2 (en) 2001-10-12 2005-03-08 Lear Corporation System and method for tire pressure monitoring using CDMA tire pressure signals
US6933898B2 (en) * 2002-03-01 2005-08-23 Lear Corporation Antenna for tire pressure monitoring wheel electronic device
US6647773B2 (en) 2002-03-01 2003-11-18 Lear Corporation System and method for integrated tire pressure monitoring and passive entry
US6829924B2 (en) * 2002-03-01 2004-12-14 Lear Corporation Tire pressure monitoring system with low frequency initiation approach
US6691567B2 (en) 2002-03-01 2004-02-17 Lear Corporation System and method for tire pressure monitoring including automatic tire location recognition
US6876265B2 (en) 2002-03-01 2005-04-05 Lear Corporation System and method for using a saw based RF transmitter for AM modulated transmission in a TPM
US6725712B1 (en) 2002-03-01 2004-04-27 Lear Corporation System and method for tire pressure monitoring with automatic tire location recognition
US20030164759A1 (en) * 2002-03-01 2003-09-04 Lear Corporation System and method for tire pressure monitoring with optimal tire pressure indication during tire pressure adjustment
US6788193B2 (en) 2002-03-01 2004-09-07 Lear Corporation System and method for tire pressure monitoring providing automatic tire location recognition
US7154414B2 (en) * 2002-03-01 2006-12-26 Lear Corporation System and method for remote tire pressure monitoring
US6668636B2 (en) 2002-03-01 2003-12-30 Lear Corporation System and method for tire pressure monitoring including tire location recognition
US20030164760A1 (en) * 2002-03-01 2003-09-04 Lear Corporation System and method for tire pressure monitoring using vehicle radio
US20030179086A1 (en) * 2002-03-25 2003-09-25 Lear Corporation System for remote tire pressure monitoring with low frequency initiation antenna
US6838985B2 (en) * 2002-03-25 2005-01-04 Lear Corporation System and method for remote tire pressure monitoring with low frequency initiation
EP1403100A1 (de) * 2002-09-27 2004-03-31 Robert Bosch Gmbh Adaptive Reifendruckverlusterkennung
CN100335303C (zh) * 2003-05-19 2007-09-05 汕头高新技术产业开发区东奇汽车科技有限公司 一种汽车轮胎气压变化的监测方法及实现该方法的系统
JP2007502235A (ja) * 2003-08-14 2007-02-08 コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト 自動車におけるタイヤ空気圧監視システムの監視方法
JP2006008086A (ja) * 2004-05-28 2006-01-12 Alps Electric Co Ltd タイヤ情報検出装置
JP4500155B2 (ja) * 2004-11-17 2010-07-14 トヨタテクニカルディベロップメント株式会社 シミュレーション方法
US20060267750A1 (en) * 2005-05-26 2006-11-30 Ford Global Technologies, Llc Tire abnormal state monitoring system for an automotive vehicle
WO2007028766A1 (de) * 2005-09-09 2007-03-15 Continental Teves Ag & Co. Ohg Verfahren zur verbesserung eines indirekt messenden reifendrucküberwachungssystems
US20090132120A1 (en) * 2007-11-20 2009-05-21 Walters James E System and method of detecting a rough road condition
JP5227687B2 (ja) * 2008-07-28 2013-07-03 住友ゴム工業株式会社 タイヤ空気圧低下検出装置および方法、ならびにタイヤの空気圧低下検出プログラム
JP5404062B2 (ja) * 2008-10-20 2014-01-29 住友ゴム工業株式会社 タイヤ空気圧低下検出装置および方法、ならびにタイヤの空気圧低下検出プログラム
JP5464580B2 (ja) * 2009-11-10 2014-04-09 住友ゴム工業株式会社 タイヤの共振周波数の減圧感度推定装置及び方法、並びにタイヤの共振周波数の減圧感度推定プログラム
JP4830015B2 (ja) * 2009-11-10 2011-12-07 住友ゴム工業株式会社 タイヤ空気圧低下検出装置及び方法、並びにタイヤの空気圧低下検出プログラム
KR101373151B1 (ko) * 2012-12-18 2014-03-20 현대오트론 주식회사 차량용 타이어의 상태 탐지 장치 및 방법
JP6475954B2 (ja) * 2014-11-13 2019-02-27 住友ゴム工業株式会社 タイヤ空気圧低下検出装置、方法及びプログラム
US20160200156A1 (en) * 2014-11-19 2016-07-14 Mando Corporation Device and method for estimating tire pressure of vehicle
US20170028795A1 (en) * 2015-07-28 2017-02-02 GM Global Technology Operations LLC Indication of vehicle status using light
US10830908B2 (en) * 2016-06-30 2020-11-10 Massachusetts Institute Of Technology Applying motion sensor data to wheel imbalance detection, tire pressure monitoring, and/or tread depth measurement
DE102018221713A1 (de) * 2018-12-13 2020-06-18 Robert Bosch Gmbh Verfahren und Vorrichtung zum Bestimmen einer Drehfrequenz eines Rads

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9026558D0 (en) * 1990-12-06 1991-01-23 Sumitomo Rubber Ind Method of detecting a deflated tyre on a vehicle
EP0783982B1 (de) * 1991-11-11 2003-04-16 Denso Corporation Reifenluftdruckerfassungsvorrichtung, die eine Resonanzfrequenz verwendet, und Raddrehzahlsensor
US5553491A (en) * 1991-11-11 1996-09-10 Nippondenso Co., Ltd. Tire air pressure detecting device
US5497657A (en) * 1991-11-11 1996-03-12 Nippondenso Co., Ltd. Tire air pressure detecting device
JP2836652B2 (ja) * 1991-11-11 1998-12-14 株式会社デンソー タイヤ空気圧検知装置
US5218862A (en) * 1992-01-21 1993-06-15 General Motors Corporation Tire pressure monitor
US5541859A (en) * 1993-03-23 1996-07-30 Nippondenso Co., Ltd. Speed detecting apparatus for rotating body
JPH06328920A (ja) * 1993-05-21 1994-11-29 Nippondenso Co Ltd タイヤ空気圧検知装置
US6142026A (en) * 1994-06-06 2000-11-07 Toyota Jidosha Kabushiki Kaisha Wheel information estimating apparatus
US5596141A (en) * 1994-08-04 1997-01-21 Nippondenso Co., Ltd. Tire resonance frequency detecting system having inter-wheel noise elimination and method for the same
EP0700798B1 (de) * 1994-09-09 1999-06-16 Denso Corporation Pneumatischer Reifendruckmesser
US5595141A (en) * 1995-06-06 1997-01-21 Udelle; Steven D. Animal scratching and entertainment device

Also Published As

Publication number Publication date
US5753809A (en) 1998-05-19
JPH09104208A (ja) 1997-04-22
JP3175552B2 (ja) 2001-06-11
EP0756951A1 (de) 1997-02-05
EP0756951B1 (de) 2002-01-30
DE69618869T2 (de) 2002-09-19

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)