DE69020407D1 - Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung. - Google Patents

Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung.

Info

Publication number: DE69020407D1
Authority: DE; Germany
Prior art keywords: vehicle; height adjustment; suspension system; active suspension; feedback
Prior art date: 1989-04-14
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 - Fee Related

Application number

DE69020407T

Other languages

English (en)

Other versions

DE69020407T2 (de

Inventor

Hiroyuki Ikemoto

Shuuichi Buma

Toshio Aburaya

Takashi Yonekawa

Toshio Onuma

Tsukasa Watanabe

Toshiaki Hamada

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.)

Toyota Motor Corp

Aisin Corp

Original Assignee

Aisin Seiki Co Ltd

Toyota Motor 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.)

1989-04-14

Filing date

1990-04-11

Publication date

1995-08-03

1990-04-11 Application filed by Aisin Seiki Co Ltd, Toyota Motor Corp filed Critical Aisin Seiki Co Ltd

1995-08-03 Application granted granted Critical

1995-08-03 Publication of DE69020407D1 publication Critical patent/DE69020407D1/de

1996-01-11 Publication of DE69020407T2 publication Critical patent/DE69020407T2/de

2010-04-12 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
- B60G2400/104—Acceleration; Deceleration lateral or transversal with regard to vehicle
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
- B60G2400/106—Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/20—Speed
- B60G2400/204—Vehicle speed
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
- B60G2400/252—Stroke; Height; Displacement vertical
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/30—Propulsion unit conditions
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/30—Propulsion unit conditions
- B60G2400/38—Speed of engine rotation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/40—Steering conditions
- B60G2400/41—Steering angle
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/50—Pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/70—Temperature of vehicle part or in the vehicle
- B60G2400/73—Temperature of vehicle part or in the vehicle of other part than suspension unit
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/22—Magnetic elements
- B60G2600/26—Electromagnets; Solenoids
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/60—Signal noise suppression; Electronic filtering means
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/01—Attitude or posture control
- B60G2800/012—Rolling condition
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/01—Attitude or posture control
- B60G2800/014—Pitch; Nose dive

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Vehicle Body Suspensions (AREA)

DE69020407T 1989-04-14 1990-04-11 Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung. Expired - Fee Related DE69020407T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1094586A JPH07102768B2 (ja)	1989-04-14	1989-04-14	流体圧式アクティブサスペンション

Publications (2)

Publication Number	Publication Date
DE69020407D1 true DE69020407D1 (de)	1995-08-03
DE69020407T2 DE69020407T2 (de)	1996-01-11

Family

ID=14114379

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69020407T Expired - Fee Related DE69020407T2 (de)	1989-04-14	1990-04-11	Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung.

Country Status (4)

Country	Link
US (1)	US5162995A (de)
EP (1)	EP0392508B1 (de)
JP (1)	JPH07102768B2 (de)
DE (1)	DE69020407T2 (de)

Families Citing this family (42)

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JP2699631B2 (ja) *	1990-09-12	1998-01-19	日産自動車株式会社	車両用流体供給装置
JPH04133811A (ja) *	1990-09-27	1992-05-07	Fuji Heavy Ind Ltd	自動車用アクテイブサスペンションの制御方法
DE4033761C1 (de) *	1990-10-24	1992-04-02	Hydac Technology Gmbh, 6603 Sulzbach, De
US5396423A (en) *	1991-01-22	1995-03-07	Nissan Motor Co., Ltd.	Automotive active suspension system for regulating vehicular height level during anti-rolling control
DE4112005A1 (de) *	1991-04-12	1992-10-15	Bosch Gmbh Robert	System zur bildung eines signals bei einem fahrzeug
JP3009756B2 (ja) *	1991-05-02	2000-02-14	トヨタ自動車株式会社	流体圧式アクティブサスペンション
US5572425A (en) *	1991-06-18	1996-11-05	Ford Motor Company	Powered active suspension system responsive to anticipated power demand
GB9214543D0 (en) *	1992-07-08	1992-08-19	Lotus Car	A vehicle suspension control system
JP3124629B2 (ja) *	1992-07-14	2001-01-15	ナルデック株式会社	車両のサスペンション装置
US6259982B1 (en) *	1993-02-02	2001-07-10	Trw Inc.	Method and apparatus for controlling an active suspension system
US5517847A (en) *	1994-12-16	1996-05-21	Ford Motor Company	Open compartment load leveling ride height control
US5606503A (en) *	1995-03-27	1997-02-25	General Motors Corporation	Suspension system control responsive to ambient temperature
US5785344A (en) *	1996-01-22	1998-07-28	Tenneco Automotive Inc.	Active roll control
JP3646499B2 (ja) *	1998-01-16	2005-05-11	トヨタ自動車株式会社	車高調整装置
GB9812274D0 (en)	1998-06-09	1998-08-05	Rover Group	Hydraulic control systems
GB2338460B (en) *	1998-06-09	2001-12-12	Rover Group	Hydraulic control systems
US6935639B1 (en) *	2004-02-18	2005-08-30	Visteon Global Technologies, Inc.	Mean pressure estimation for compressible fluid strut
DE102004025340A1 (de) *	2004-05-19	2005-12-15	Continental Aktiengesellschaft	Verfahren zur Luftmengenregelung in einer geschlossenen Luftversorgungsanlage für ein Fahrwerk
US7490836B2 (en) *	2005-09-01	2009-02-17	Cnh America Llc	Progressive control for a front suspended axle of a vehicle
WO2012006294A1 (en)	2010-07-05	2012-01-12	Fluid Ride Ltd.	Suspension strut for a vehicle
US9241850B2 (en)	2011-09-02	2016-01-26	Ferno-Washington, Inc.	Litter support assembly for medical care units having a shock load absorber and methods of their use
US8973688B2 (en) *	2011-12-20	2015-03-10	Caterpillar Paving Products Inc.	Suspension system and control method for track-propelled machines
US9574582B2 (en)	2012-04-23	2017-02-21	Fluid Ride, Ltd.	Hydraulic pump system and method of operation
US9809078B2 (en) *	2013-03-15	2017-11-07	ClearMotion, Inc.	Multi-path fluid diverter valve
US9108484B2 (en)	2013-07-25	2015-08-18	Tenneco Automotive Operating Company Inc.	Recuperating passive and active suspension
US10080310B2 (en)	2015-06-26	2018-09-18	International Business Machines Corporation	Bypassing a removed element in a liquid cooling system
US10434835B2 (en)	2016-02-24	2019-10-08	Tenneco Automotive Operating Company Inc.	Monotube active suspension system having different system layouts for controlling pump flow distribution
JP6475179B2 (ja)	2016-03-14	2019-02-27	アイシン精機株式会社	車高制御システム
JP6378228B2 (ja) *	2016-03-14	2018-08-22	トヨタ自動車株式会社	車高調整システム
US20200039316A1 (en) *	2017-04-05	2020-02-06	ClearMotion, Inc.	Active force cancellation at structural interfaces
US11584185B1 (en)	2018-12-21	2023-02-21	Oshkosh Corporation	Pitch and roll control system for a vehicle
US11685220B2 (en)	2021-10-12	2023-06-27	DRiV Automotive Inc.	Control systems and methods for suspension systems
US11912092B2 (en)	2021-10-12	2024-02-27	DRiV Automotive Inc.	Suspension leak check systems and methods
US11697319B2 (en)	2021-10-12	2023-07-11	DRiV Automotive Inc.	Suspension system with comfort valve integration
US12059937B2 (en)	2021-10-12	2024-08-13	DRiV Automotive Inc.	Suspension system with roll and pitch stiffness deactivation based on road profile information
US11904841B2 (en)	2021-10-12	2024-02-20	DRiV Automotive Inc.	Suspension system integration with advanced driver assistance system
US11865889B2 (en)	2021-10-12	2024-01-09	DRiV Automotive Inc.	Suspension system with comfort valves between cross-over hydraulic circuits
US11938772B2 (en)	2021-10-12	2024-03-26	DRiV Automotive Inc.	System for grading filling of a hydraulic suspension system
US12097739B2 (en)	2021-10-12	2024-09-24	DRiV Automotive Inc.	Pump rinsing systems and methods
US11919355B2 (en)	2021-10-12	2024-03-05	DRiV Automotive Inc.	Valve diagnostic systems and methods
US11691474B2 (en)	2021-10-12	2023-07-04	DRiV Automotive Inc.	Suspension system tank filling systems and methods
US11865887B2 (en)	2021-10-12	2024-01-09	DRiV Automotive Inc.	Suspension system with incremental roll and pitch stiffness control

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8502135D0 (en) *	1985-01-29	1985-02-27	Lucas Ind Plc	Control system
DE3676420D1 (de) *	1985-10-22	1991-02-07	Toyota Motor Co Ltd	System zur begrenzung der rollbewegung eines fahrzeugaufbaus bei vermeidung von ueberkompressierungen.
JPH075009B2 (ja) *	1985-10-22	1995-01-25	トヨタ自動車株式会社	車輌用車高調整装置
JPS62185608U (de) *	1986-05-20	1987-11-26
JPH0829648B2 (ja) *	1987-03-16	1996-03-27	日産自動車株式会社	車両用サスペンシヨン制御装置
JPS6430816A (en) *	1987-07-24	1989-02-01	Toyota Motor Corp	Active suspension for vehicle
DE68921590T2 (de) *	1988-12-28	1995-07-27	Aisin Seiki	Aktives hydraulisches Steuersystem, welches das Steuern der Lage eines hochbelasteten Fahrzeugs ermöglicht.
JP2745416B2 (ja) *	1989-01-19	1998-04-28	富士重工業株式会社	車高調整装置付車両の車高制御方法
JP2594156B2 (ja) *	1989-08-30	1997-03-26	トヨタ自動車株式会社	流体圧式アクティブサスペンション

1989
- 1989-04-14 JP JP1094586A patent/JPH07102768B2/ja not_active Expired - Fee Related
1990
- 1990-04-06 US US07/505,365 patent/US5162995A/en not_active Expired - Fee Related
- 1990-04-11 EP EP90106950A patent/EP0392508B1/de not_active Expired - Lifetime
- 1990-04-11 DE DE69020407T patent/DE69020407T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE69020407T2 (de)	1996-01-11
JPH07102768B2 (ja)	1995-11-08
EP0392508B1 (de)	1995-06-28
US5162995A (en)	1992-11-10
EP0392508A1 (de)	1990-10-17
JPH02274607A (ja)	1990-11-08

Publication	Publication Date	Title
DE69020407D1 (de)	1995-08-03	Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung.
DE69015355D1 (de)	1995-02-02	Steuersystem für die steuerung der aufhängung eines landfahrzeuges.
DE69010681D1 (de)	1994-08-18	Steuersystem für die aufhängung eines fahrzeugs.
DE69002988D1 (de)	1993-10-07	Aktive hydraulische Fahrzeugaufhängung für die Fahrzeugrahmenlageregelung bei Querbeschleunigung.
DE69013907D1 (de)	1994-12-08	Steuersystem für die aufhängung eines landfahrzeugs.
DE69300500D1 (de)	1995-10-26	Fahrwerksregler für ein Fahrzeug.
DE69018568D1 (de)	1995-05-18	Aufhängungsanordnung für Fahrzeug.
DE3878208D1 (de)	1993-03-18	Geraet zur regelung eines fahrzeugaufhaengungssystems.
DE59106430D1 (de)	1995-10-12	Hydropneumatische federung für fahrzeuge.
DE69003540D1 (de)	1993-11-04	Fahrzeugaufhaengungssystem.
DE59006499D1 (de)	1994-08-25	Hydropneumatisches Federungssystem.
DE68918334D1 (de)	1994-10-27	Antirollregelungssystem für aktive Fahrzeugaufhängungen mit von der Fahrbahnreibung abhängigen veränderlichen Regelcharakteristiken.
DE69006642D1 (de)	1994-03-24	Radaufhängung für ein lenkbares, angetriebenes Fahrzeugrad.
DE69017119D1 (de)	1995-03-30	Lenkung für ein Fahrzeug.
DE69008024D1 (de)	1994-05-19	Aufhängungssystem für Fahrzeuge.
DE68917073D1 (de)	1994-09-01	Sitzaufbau für ein Fahrzeug.
DE3875379D1 (de)	1992-11-26	Expertensystem als steuerung fuer ein fahrzeug.
DE69010327D1 (de)	1994-08-04	Fahrzeugaufhängungssystem.
DE68904719D1 (de)	1993-03-18	Hydropneumatische radaufhaengung fuer ein kraftfahrzeug.
DE59003689D1 (de)	1994-01-13	Hydropneumatisches Federungssystem.
DE69008026D1 (de)	1994-05-19	Federungssystem für Fahrzeuge.
DE68916739D1 (de)	1994-08-18	Sitzaufbau für ein Fahrzeug.
DE69015258D1 (de)	1995-02-02	Radaufhängung für ein Fahrzeug.
DE68915532D1 (de)	1994-06-30	Regelungssystem des aufhängungskolbens für fahrzeuge.
DE68908846D1 (de)	1993-10-07	Hydraulisches Fahrzeugaufhängungssystem.

Legal Events

Date	Code	Title	Description
1996-07-25	8364	No opposition during term of opposition
1999-06-10	8339	Ceased/non-payment of the annual fee