IT201800007584A1 - Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo. - Google Patents

Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo. Download PDF

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Publication number
IT201800007584A1
IT201800007584A1 IT102018000007584A IT201800007584A IT201800007584A1 IT 201800007584 A1 IT201800007584 A1 IT 201800007584A1 IT 102018000007584 A IT102018000007584 A IT 102018000007584A IT 201800007584 A IT201800007584 A IT 201800007584A IT 201800007584 A1 IT201800007584 A1 IT 201800007584A1
Authority
IT
Italy
Prior art keywords
chamber
valve
compression
shock absorber
rebound
Prior art date
Application number
IT102018000007584A
Other languages
English (en)
Italian (it)
Inventor
Piero Antonio Conti
Fabio Cotto
Vittorio Marco Di
Giordano Greco
Original Assignee
Sistemi Sospensioni 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 Sistemi Sospensioni Spa filed Critical Sistemi Sospensioni Spa
Priority to IT102018000007584A priority Critical patent/IT201800007584A1/it
Priority to PCT/IB2019/056386 priority patent/WO2020021500A1/en
Priority to JP2021504387A priority patent/JP7495925B2/ja
Priority to EP19758811.4A priority patent/EP3830444B1/en
Priority to CN201980050182.4A priority patent/CN112513492B/zh
Priority to US17/263,657 priority patent/US11761508B2/en
Publication of IT201800007584A1 publication Critical patent/IT201800007584A1/it

Links

Classifications

    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/185—Bitubular units
    • 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
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • 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
    • F16F9/32—Details
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • 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
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
    • 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
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/62—Adjustable continuously, e.g. during driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/41—Dampers
    • 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
    • B60G2500/104—Damping action or damper continuous
    • 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
    • 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
    • B60G2800/16—Running
    • B60G2800/162—Reducing road induced vibrations
    • 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
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • 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
    • F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06—Stiffness
    • F16F2228/066—Variable stiffness
    • 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
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear
    • 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
    • F16F2234/00—Shape
    • F16F2234/02—Shape cylindrical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
IT102018000007584A 2018-07-27 2018-07-27 Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo. IT201800007584A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102018000007584A IT201800007584A1 (it) 2018-07-27 2018-07-27 Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo.
PCT/IB2019/056386 WO2020021500A1 (en) 2018-07-27 2019-07-26 Variable-damping hydraulic shock-absorber for a vehicle suspension
JP2021504387A JP7495925B2 (ja) 2018-07-27 2019-07-26 車両サスペンションのための可変減衰油圧ショックアブソーバ
EP19758811.4A EP3830444B1 (en) 2018-07-27 2019-07-26 Variable-damping hydraulic shock-absorber for a vehicle suspension
CN201980050182.4A CN112513492B (zh) 2018-07-27 2019-07-26 用于车辆悬架的可变阻尼液压减震器
US17/263,657 US11761508B2 (en) 2018-07-27 2019-07-26 Variable-damping hydraulic shock-absorber for a vehicle suspension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000007584A IT201800007584A1 (it) 2018-07-27 2018-07-27 Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo.

Publications (1)

Publication Number Publication Date
IT201800007584A1 true IT201800007584A1 (it) 2020-01-27

Family

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Family Applications (1)

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IT102018000007584A IT201800007584A1 (it) 2018-07-27 2018-07-27 Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo.

Country Status (6)

Country Link
US (1) US11761508B2 (https=)
EP (1) EP3830444B1 (https=)
JP (1) JP7495925B2 (https=)
CN (1) CN112513492B (https=)
IT (1) IT201800007584A1 (https=)
WO (1) WO2020021500A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120759881A (zh) * 2025-09-10 2025-10-10 万向钱潮股份公司 一种主动减震器及安装方法

Families Citing this family (7)

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CN107939893B (zh) * 2017-12-29 2024-03-15 深圳职业技术学院 主动悬架系统、减振器以及减振部件
WO2020246315A1 (ja) * 2019-06-05 2020-12-10 日立オートモティブシステムズ株式会社 減衰力調整式緩衝器
US12031606B2 (en) * 2019-06-26 2024-07-09 Hitachi Astemo, Ltd. Shock absorber
CN115875392B (zh) * 2021-09-29 2025-02-11 比亚迪股份有限公司 车辆减震器以及车辆
JP7804491B2 (ja) * 2022-03-08 2026-01-22 カヤバ株式会社 流体圧緩衝器
CN114848241B (zh) * 2022-04-27 2026-02-03 中国人民解放军空军军医大学 单双侧的脊柱腰椎减震关节突假体
CN119687145A (zh) * 2024-11-25 2025-03-25 上海淅减汽车悬架有限公司 一种新型内外置双电磁阀减振器

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WO2018134433A1 (en) * 2017-01-23 2018-07-26 Sistemi Sospensioni S.P.A. Hydraulic linear actuator with a locking system for locking the compression movement of the actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120759881A (zh) * 2025-09-10 2025-10-10 万向钱潮股份公司 一种主动减震器及安装方法

Also Published As

Publication number Publication date
EP3830444A1 (en) 2021-06-09
CN112513492B (zh) 2022-10-11
JP7495925B2 (ja) 2024-06-05
US11761508B2 (en) 2023-09-19
US20210310535A1 (en) 2021-10-07
WO2020021500A1 (en) 2020-01-30
EP3830444B1 (en) 2022-10-26
CN112513492A (zh) 2021-03-16
JP2021531441A (ja) 2021-11-18

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