ITTO940315A0 - Sistema automatico per la variazione della rigidezza e/o dello smorza-mento delle sospensioni di un autoveicolo. - Google Patents

Sistema automatico per la variazione della rigidezza e/o dello smorza-mento delle sospensioni di un autoveicolo.

Info

Publication number
ITTO940315A0
ITTO940315A0 ITTO940315A ITTO940315A ITTO940315A0 IT TO940315 A0 ITTO940315 A0 IT TO940315A0 IT TO940315 A ITTO940315 A IT TO940315A IT TO940315 A ITTO940315 A IT TO940315A IT TO940315 A0 ITTO940315 A0 IT TO940315A0
Authority
IT
Italy
Prior art keywords
stiffness
suspensions
damping
varying
motor vehicle
Prior art date
Application number
ITTO940315A
Other languages
English (en)
Inventor
Vittorino Torrielli
Original Assignee
Fiat Auto Spa
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 Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to ITTO940315A priority Critical patent/IT1274272B/it
Publication of ITTO940315A0 publication Critical patent/ITTO940315A0/it
Priority to DE69505722T priority patent/DE69505722T2/de
Priority to EP95102869A priority patent/EP0678406B1/en
Publication of ITTO940315A1 publication Critical patent/ITTO940315A1/it
Application granted granted Critical
Publication of IT1274272B publication Critical patent/IT1274272B/it

Links

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
    • B60G17/018—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 the use of a specific signal treatment or control method
    • 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
    • B60G17/0162—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 mainly during a motion involving steering operation, e.g. cornering, overtaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/42—Electric actuator
    • 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
    • B60G2400/102—Acceleration; Deceleration 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
    • B60G2400/10—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
    • B60G2400/40—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
    • B60G2400/80—Exterior conditions
    • B60G2400/82—Ground surface
    • B60G2400/822—Road friction coefficient determination affecting wheel traction
    • 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
    • B60G2400/90—Other conditions or factors
    • B60G2400/91—Frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/11—Damping valves
    • 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
    • B60G2600/14—Differentiating means, i.e. differential control
    • 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
    • B60G2800/21—Traction, slip, skid or slide control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
ITTO940315A 1994-04-20 1994-04-20 Sistema automatico per la variazione della rigidezza e/o dello smorzamento delle sospensioni di un autoveicolo IT1274272B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITTO940315A IT1274272B (it) 1994-04-20 1994-04-20 Sistema automatico per la variazione della rigidezza e/o dello smorzamento delle sospensioni di un autoveicolo
DE69505722T DE69505722T2 (de) 1994-04-20 1995-03-01 Automatisches System zur Veränderung der Aufhängungssteifigkeit und/oder Dämpfung eines Kraftfahrzeuges
EP95102869A EP0678406B1 (en) 1994-04-20 1995-03-01 An automatic system for varying the stiffness and/or the damping of the suspension of a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO940315A IT1274272B (it) 1994-04-20 1994-04-20 Sistema automatico per la variazione della rigidezza e/o dello smorzamento delle sospensioni di un autoveicolo

Publications (3)

Publication Number Publication Date
ITTO940315A0 true ITTO940315A0 (it) 1994-04-20
ITTO940315A1 ITTO940315A1 (it) 1995-10-20
IT1274272B IT1274272B (it) 1997-07-17

Family

ID=11412476

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO940315A IT1274272B (it) 1994-04-20 1994-04-20 Sistema automatico per la variazione della rigidezza e/o dello smorzamento delle sospensioni di un autoveicolo

Country Status (3)

Country Link
EP (1) EP0678406B1 (it)
DE (1) DE69505722T2 (it)
IT (1) IT1274272B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8437935B2 (en) 2004-10-05 2013-05-07 Vision Works Ip Corporation Absolute acceleration sensor for use within moving vehicles
US9327726B2 (en) 2004-10-05 2016-05-03 Vision Works Ip Corporation Absolute acceleration sensor for use within moving vehicles
US9878693B2 (en) 2004-10-05 2018-01-30 Vision Works Ip Corporation Absolute acceleration sensor for use within moving vehicles
US9371002B2 (en) 2013-08-28 2016-06-21 Vision Works Ip Corporation Absolute acceleration sensor for use within moving vehicles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58112819A (ja) * 1981-12-28 1983-07-05 Nippon Denso Co Ltd ショックアブソーバ制御装置
US4586728A (en) * 1983-02-28 1986-05-06 Mazda Motor Corporation Vehicle suspension means having variable suspension characteristics
JPH07115649B2 (ja) * 1985-05-24 1995-12-13 豊田工機株式会社 自動車の走行状態判定装置
JPS62241717A (ja) * 1986-04-11 1987-10-22 Fujitsu Ten Ltd 自動車のサスペンシヨン制御装置
EP0306819B1 (en) * 1987-09-03 1992-01-08 Toyota Jidosha Kabushiki Kaisha Electronic controlled fluid suspension system with an advance control and a feedback control of a vehicle attitude
JPH02171310A (ja) * 1988-12-24 1990-07-03 Aisin Seiki Co Ltd サスペンションの減衰力制御装置
JPH02237809A (ja) * 1989-03-10 1990-09-20 Atsugi Unisia Corp サスペンションの制御装置
DE4119323A1 (de) * 1991-06-12 1992-12-17 Bilstein August Gmbh Co Kg Verfahren zur frequenzabhaengigen adaptiven regelung eines fahrwerks
JP2762872B2 (ja) * 1991-11-15 1998-06-04 株式会社デンソー 減衰力可変ショックアブソーバ制御装置

Also Published As

Publication number Publication date
EP0678406A1 (en) 1995-10-25
ITTO940315A1 (it) 1995-10-20
EP0678406B1 (en) 1998-11-04
IT1274272B (it) 1997-07-17
DE69505722D1 (de) 1998-12-10
DE69505722T2 (de) 1999-04-08

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990430