KR20240011726A - 자동차용 서스펜션 시스템 - Google Patents

자동차용 서스펜션 시스템 Download PDF

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Publication number
KR20240011726A
KR20240011726A KR1020237042054A KR20237042054A KR20240011726A KR 20240011726 A KR20240011726 A KR 20240011726A KR 1020237042054 A KR1020237042054 A KR 1020237042054A KR 20237042054 A KR20237042054 A KR 20237042054A KR 20240011726 A KR20240011726 A KR 20240011726A
Authority
KR
South Korea
Prior art keywords
flow path
accumulator
fluid
piston
chamber
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.)
Pending
Application number
KR1020237042054A
Other languages
English (en)
Korean (ko)
Inventor
앤드류 콜린스
토비아스 샌딘
Original Assignee
도민 플루이드 파워 리미티드
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 도민 플루이드 파워 리미티드 filed Critical 도민 플루이드 파워 리미티드
Publication of KR20240011726A publication Critical patent/KR20240011726A/ko
Pending legal-status Critical Current

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
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
    • B60G17/0432—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions by varying the number of accumulators connected to the hydraulic cylinder
    • 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
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of fluid dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/265—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs hydraulic springs
    • 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
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/056—Regulating distributors or valves for hydropneumatic systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/22—Conjoint control of vehicle sub-units of different type or different function including control of suspension systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
    • F16F9/096—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a hydropneumatic accumulator of the membrane type provided on the upper or the lower end of a damper or separately from or laterally on the damper
    • 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
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/154—Fluid spring with an accumulator
    • 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
    • B60G2202/41—Fluid actuator
    • B60G2202/413—Hydraulic actuator
    • 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
    • B60G2202/41—Fluid actuator
    • B60G2202/416—Fluid actuator using a pump, e.g. in the line connecting the lower chamber to the upper chamber of the actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/206—Variable pressure accumulators for hydropneumatic suspensions
    • B60G2500/2064—Variable pressure accumulators for hydropneumatic suspensions by varying the number of accumulators connected in parallel to the hydraulic cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/86—Suspension systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
KR1020237042054A 2021-05-06 2022-05-05 자동차용 서스펜션 시스템 Pending KR20240011726A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2106495.1 2021-05-06
GB2106495.1A GB2606391B (en) 2021-05-06 2021-05-06 A suspension system for an automotive vehicle
PCT/GB2022/051149 WO2022234285A1 (en) 2021-05-06 2022-05-05 A suspension system for an automotive vehicle

Publications (1)

Publication Number Publication Date
KR20240011726A true KR20240011726A (ko) 2024-01-26

Family

ID=81654515

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237042054A Pending KR20240011726A (ko) 2021-05-06 2022-05-05 자동차용 서스펜션 시스템

Country Status (7)

Country Link
US (1) US20240217301A1 (https=)
EP (1) EP4334145A1 (https=)
JP (1) JP2024516456A (https=)
KR (1) KR20240011726A (https=)
CN (1) CN117642296A (https=)
GB (1) GB2606391B (https=)
WO (1) WO2022234285A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11892051B2 (en) * 2018-02-27 2024-02-06 ClearMotion, Inc. Through tube active suspension actuator
WO2025081241A1 (en) * 2023-10-20 2025-04-24 The Dynamic Engineering Solution Pty Ltd Vehicle suspension system

Family Cites Families (27)

* Cited by examiner, † Cited by third party
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JP2797133B2 (ja) * 1990-03-14 1998-09-17 日野自動車工業株式会社 ハイドロニューマチックサスペンション装置
DE10207983B4 (de) * 2002-02-25 2013-02-21 Daimler Ag Federungssystem für Fahrzeuge
US6834736B2 (en) * 2002-12-17 2004-12-28 Husco International, Inc. Active vehicle suspension with a hydraulic spring
JP2004276854A (ja) * 2003-03-18 2004-10-07 Komatsu Ltd 車両のバネ制御装置
WO2006065235A2 (en) * 2004-12-10 2006-06-22 Fox Factory, Inc. (Dba Fox Racing Shox) Shock absorber with pressure-controlled damping
US7318595B2 (en) * 2004-05-27 2008-01-15 Cnh America Llc Variable ride control
EP1769951B1 (de) * 2005-09-30 2010-03-03 Carl Freudenberg KG Anordnung und Kabinenfederung
DE102008012704A1 (de) * 2008-03-05 2009-09-10 Deere & Company, Moline Hydraulische Federungsanordnung
EP2156970A1 (en) * 2008-08-12 2010-02-24 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Multi-point hydraulic suspension system for a land vehicle
US8521361B2 (en) * 2010-08-17 2013-08-27 Fourth Floor Associates, Inc. Ride height control system and method for controlling load distribution at target ride height in a vehicle suspension system
DE102012022030A1 (de) * 2012-11-12 2014-05-15 Deere & Company Federungseinrichtung für eine beweglich gelagerte Fahrzeugachse
WO2014153730A1 (en) * 2013-03-27 2014-10-02 Beijingwest Industries Co., Ltd. Hydraulic suspension system
GB2518901B (en) * 2013-10-07 2019-12-11 Husco Int Ltd Vehicle suspension with a double acting suspension circuit
DE102014011549A1 (de) * 2014-08-08 2015-04-02 Daimler Ag Federungs- und/oder Dämpfungseinrichtung für eine Radaufhängung eins Fahrzeugs
GB201501893D0 (en) * 2015-02-05 2015-03-25 Blagdon Actuation Res Ltd Active suspension systems
GB2536980B (en) * 2015-06-30 2017-05-24 Anglia Hydraulics Holdings Ltd Hydraulic device
US10029533B1 (en) * 2017-01-23 2018-07-24 Caterpillar Underground Mining Pty Ltd Vehicle suspension control system
GB2566543B (en) * 2017-09-19 2020-02-05 Jaguar Land Rover Ltd An actuator system
US20190118882A1 (en) * 2017-10-23 2019-04-25 Lippert Components, Inc. Hydraulic operating system for trailer axle
DE102017218905B4 (de) * 2017-10-24 2023-11-30 Bayerische Motoren Werke Aktiengesellschaft Feder-Dämpfersystem mit variabler Federrate
GB2569189B (en) * 2017-12-11 2022-07-13 Horstman Defence Systems Ltd A suspension assembly
WO2019204675A1 (en) * 2018-04-20 2019-10-24 Pratt & Miller Engineering And Fabrication Inc. Motor-vehicle with multi-mode extreme travel suspension -suspension hydraulic design
DE102019001855A1 (de) * 2019-03-15 2020-09-17 Hydac Mobilhydraulik Gmbh Feder-Dämpfer-System
IT201900015590A1 (it) * 2019-09-04 2021-03-04 Cnh Ind Italia Spa Disposizione idraulica di sospensione per un veicolo da lavoro
DE102020110325A1 (de) * 2020-04-15 2021-10-21 Liebherr-Components Kirchdorf GmbH Schwingungsdämpfer
IT202000015142A1 (it) * 2020-06-24 2021-12-24 Way Assauto S R L Sospensione attiva per veicolo
CN113236617B (zh) * 2021-04-02 2022-02-11 燕山大学 一种液压主动悬挂流量控制系统

Also Published As

Publication number Publication date
GB2606391B (en) 2024-12-18
JP2024516456A (ja) 2024-04-15
CN117642296A (zh) 2024-03-01
US20240217301A1 (en) 2024-07-04
WO2022234285A1 (en) 2022-11-10
EP4334145A1 (en) 2024-03-13
GB2606391A (en) 2022-11-09

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20231205

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20250429

Comment text: Request for Examination of Application