JP7403953B2 - 油圧装置 - Google Patents

油圧装置 Download PDF

Info

Publication number
JP7403953B2
JP7403953B2 JP2018563520A JP2018563520A JP7403953B2 JP 7403953 B2 JP7403953 B2 JP 7403953B2 JP 2018563520 A JP2018563520 A JP 2018563520A JP 2018563520 A JP2018563520 A JP 2018563520A JP 7403953 B2 JP7403953 B2 JP 7403953B2
Authority
JP
Japan
Prior art keywords
accumulator
compression
flow path
chamber
frequency
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.)
Active
Application number
JP2018563520A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019520527A5 (enExample
JP2019520527A (ja
Inventor
ウッドアード，ネイサン
オシェイ，コリン，パトリック
イニリオ，ヘクター，アルナルド
Original Assignee
クリアモーション，インコーポレイテッド
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 クリアモーション，インコーポレイテッド filed Critical クリアモーション，インコーポレイテッド
Publication of JP2019520527A publication Critical patent/JP2019520527A/ja
Publication of JP2019520527A5 publication Critical patent/JP2019520527A5/ja
Priority to JP2022076937A priority Critical patent/JP7381650B2/ja
Application granted granted Critical
Publication of JP7403953B2 publication Critical patent/JP7403953B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • F15B7/006—Rotary pump input
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
    • 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
    • B60G17/0165—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 to an external condition, e.g. rough road surface, side wind
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F04B53/004—Noise damping by mechanical resonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/021—Installations or systems with accumulators used for damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05—Buffers therefor
    • F16L55/052—Pneumatic reservoirs
    • F16L55/053—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe
    • 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
    • B60G2500/30—Height or ground clearance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/27—Directional control by means of the pressure source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—Accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8616—Control during or prevention of abnormal conditions the abnormal condition being noise or vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Vehicle Body Suspensions (AREA)
  • Compressor (AREA)
  • Pipe Accessories (AREA)
  • Details Of Reciprocating Pumps (AREA)
JP2018563520A 2016-06-02 2017-06-01 油圧装置 Active JP7403953B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022076937A JP7381650B2 (ja) 2016-06-02 2022-05-09 コンパクトで高速かつ強力な油圧アクチュエータのノイズ制御システムおよび方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662344571P 2016-06-02 2016-06-02
US62/344,571 2016-06-02
PCT/US2017/035558 WO2017210492A1 (en) 2016-06-02 2017-06-01 Systems and methods for managing noise in compact high speed and high force hydraulic actuators

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022076937A Division JP7381650B2 (ja) 2016-06-02 2022-05-09 コンパクトで高速かつ強力な油圧アクチュエータのノイズ制御システムおよび方法

Publications (3)

Publication Number Publication Date
JP2019520527A JP2019520527A (ja) 2019-07-18
JP2019520527A5 JP2019520527A5 (enExample) 2020-07-09
JP7403953B2 true JP7403953B2 (ja) 2023-12-25

Family

ID=60479009

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018563520A Active JP7403953B2 (ja) 2016-06-02 2017-06-01 油圧装置
JP2022076937A Active JP7381650B2 (ja) 2016-06-02 2022-05-09 コンパクトで高速かつ強力な油圧アクチュエータのノイズ制御システムおよび方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022076937A Active JP7381650B2 (ja) 2016-06-02 2022-05-09 コンパクトで高速かつ強力な油圧アクチュエータのノイズ制御システムおよび方法

Country Status (4)

Country Link
US (2) US11480199B2 (enExample)
EP (1) EP3464982B1 (enExample)
JP (2) JP7403953B2 (enExample)
WO (1) WO2017210492A1 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10300760B1 (en) 2015-03-18 2019-05-28 Apple Inc. Fully-actuated suspension system
EP3464982B1 (en) * 2016-06-02 2022-11-02 Clearmotion, Inc. Hydraulic apparatus
US10890197B2 (en) * 2017-02-12 2021-01-12 ClearMotion, Inc. Hydraulic actuator with a frequency dependent relative pressure ratio
US10814690B1 (en) 2017-04-18 2020-10-27 Apple Inc. Active suspension system with energy storage device
US11358431B2 (en) 2017-05-08 2022-06-14 Apple Inc. Active suspension system
US12117024B2 (en) 2017-05-31 2024-10-15 ClearMotion, Inc. Pilot operated blow-off valves for hydraulic actuators
US10899340B1 (en) 2017-06-21 2021-01-26 Apple Inc. Vehicle with automated subsystems
US11173766B1 (en) 2017-09-07 2021-11-16 Apple Inc. Suspension system with locking structure
US10906370B1 (en) 2017-09-15 2021-02-02 Apple Inc. Active suspension system
US11124035B1 (en) 2017-09-25 2021-09-21 Apple Inc. Multi-stage active suspension actuator
US10960723B1 (en) 2017-09-26 2021-03-30 Apple Inc. Wheel-mounted suspension actuators
GB2571100A (en) 2018-02-15 2019-08-21 Airbus Operations Ltd Controller for an aircraft braking system
US11999214B2 (en) 2018-06-14 2024-06-04 ClearMotion, Inc. Accumulators for a distributed active suspension system
US11285773B1 (en) 2018-09-12 2022-03-29 Apple Inc. Control system
US11634167B1 (en) 2018-09-14 2023-04-25 Apple Inc. Transmitting axial and rotational movement to a hub
US11440366B1 (en) 2018-10-03 2022-09-13 ClearMotion, Inc. Frequency dependent pressure and/or flow fluctuation mitigation in hydraulic systems
CN109677225B (zh) * 2019-01-25 2020-10-27 中北大学 一种主/被动复合液压悬挂控制策略选择方法
CN113811701B (zh) 2019-03-11 2024-01-19 动态清晰公司 压力补偿的主动悬架致动器系统
US11345209B1 (en) 2019-06-03 2022-05-31 Apple Inc. Suspension systems
ES1236066Y (es) * 2019-09-10 2020-01-09 Lopez Antonio Garcia Sistema de amortiguacion con generacion de energia electrica para vehiculos
US11938922B1 (en) 2019-09-23 2024-03-26 Apple Inc. Motion control system
US11179991B1 (en) 2019-09-23 2021-11-23 Apple Inc. Suspension systems
WO2021097341A1 (en) * 2019-11-13 2021-05-20 ClearMotion, Inc. Differential hydraulic buffer
US11707961B1 (en) 2020-04-28 2023-07-25 Apple Inc. Actuator with reinforcing structure for torsion resistance
US11828339B1 (en) 2020-07-07 2023-11-28 Apple Inc. Vibration control system
WO2022047373A1 (en) * 2020-08-31 2022-03-03 ClearMotion, Inc. Buffer for hydraulic pumping device
CN117396339A (zh) 2021-06-07 2024-01-12 苹果公司 质量阻尼器系统
GB2614293A (en) * 2021-12-23 2023-07-05 Domin Fluid Power Ltd Hydraulic switching valve
US12251973B2 (en) 2022-06-10 2025-03-18 Apple Inc. Vibration absorber
US12490411B2 (en) * 2022-06-25 2025-12-02 EvansWerks, Inc. Cooling system and methods
US12363864B2 (en) * 2022-06-25 2025-07-15 EvansWerks, Inc. Cooling system and methods
US12200908B2 (en) * 2022-06-25 2025-01-14 EvansWerks, Inc. Cooling system and methods
US12453048B2 (en) * 2022-06-25 2025-10-21 EvansWerks, Inc. Cooling system and methods
JP2024009526A (ja) 2022-07-11 2024-01-23 三菱重工サーマルシステムズ株式会社 室外機
US12168375B1 (en) 2023-01-26 2024-12-17 Apple Inc. Motion control system
DE102023107022A1 (de) 2023-03-21 2024-09-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Dämpfungssystem für ein Rad eines Kraftfahrzeugs und Kraftfahrzeug

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855791A (en) * 1973-08-24 1974-12-24 M Quinto Reversible motor hydraulic control system
JPS55121982U (enExample) * 1979-02-23 1980-08-29
JPS6311438Y2 (enExample) * 1979-11-17 1988-04-04
US4625513A (en) * 1983-03-28 1986-12-02 Rexa Corporation Controlled flow hydraulic system
US5231583A (en) * 1990-06-08 1993-07-27 Monroe Auto Equipment Company Method and apparatus for dynamic leveling of a vehicle using an active suspension system
DE4234523A1 (de) * 1992-10-13 1994-04-14 Knorr Bremse Ag Niveau- und Neigungssteuerung eines Wagenkastens
US5634389A (en) * 1993-11-29 1997-06-03 Northrop Grumman Corporation Actuator stiffness enhancing system
US5492451A (en) * 1994-10-03 1996-02-20 Caterpillar Inc. Apparatus and method for attenuation of fluid-borne noise
US5682923A (en) * 1996-09-30 1997-11-04 Caterpillar Inc. Accumulator having an internal elastomeric member
JPH10110701A (ja) * 1996-10-02 1998-04-28 Hitachi Constr Mach Co Ltd 金属ベローズ式アキュムレータ
US6234758B1 (en) * 1999-12-01 2001-05-22 Caterpillar Inc. Hydraulic noise reduction assembly with variable side branch
US20020094274A1 (en) * 2000-09-15 2002-07-18 Terpay Gregory Weston Passive device for noise reduction
US6623256B2 (en) 2001-02-21 2003-09-23 Seiko Epson Corporation Pump with inertance value of the entrance passage being smaller than an inertance value of the exit passage
NO317430B1 (no) 2002-02-08 2004-10-25 Master Marine As Fremgangsmate for bruk ved offshore lastoverforing, flyter og hydraulisk innretning for samme
US7011507B2 (en) * 2002-06-04 2006-03-14 Seiko Epson Corporation Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path
US7051526B2 (en) * 2004-10-01 2006-05-30 Moog Inc. Closed-system electrohydraulic actuator
US8392030B2 (en) 2008-04-17 2013-03-05 Levant Power Corporation System and method for control for regenerative energy generators
US8839920B2 (en) 2008-04-17 2014-09-23 Levant Power Corporation Hydraulic energy transfer
US8376100B2 (en) 2008-04-17 2013-02-19 Levant Power Corporation Regenerative shock absorber
WO2009130059A1 (en) 2008-04-23 2009-10-29 Actuant Corporation Hydraulic system with a pressure ripple reduction device
CN105386951B (zh) 2010-06-16 2021-11-16 动态清晰公司 整合式能量产生阻尼器
ITGE20110096A1 (it) * 2011-08-26 2013-02-27 Bo Han Attuatore a rigidezza variabile e metodo per la regolazione della rigidezza
EP2968709B1 (en) 2013-03-15 2019-10-02 ClearMotion, Inc. Active vehicle suspension improvements
JP6396414B2 (ja) 2013-03-15 2018-09-26 クリアモーション，インコーポレイテッド 多経路流体ダイバータバルブ
US9702349B2 (en) * 2013-03-15 2017-07-11 ClearMotion, Inc. Active vehicle suspension system
ITMI20131586A1 (it) 2013-09-26 2015-03-27 Metau Engineering S R L Attuatore idraulico lineare interamente integrato
DE102014102591A1 (de) 2014-02-27 2015-08-27 Rausch & Pausch Gmbh Verfahren zum Fördern von Hydraulikfluid und elektrohydraulische Motor-Pumpen-Einheit dafür
WO2017184651A1 (en) 2016-04-19 2017-10-26 ClearMotion, Inc. Active hydraulec ripple cancellation methods and systems
EP3464982B1 (en) 2016-06-02 2022-11-02 Clearmotion, Inc. Hydraulic apparatus

Also Published As

Publication number Publication date
US20200088214A1 (en) 2020-03-19
EP3464982A4 (en) 2019-10-30
JP7381650B2 (ja) 2023-11-15
US20230220853A1 (en) 2023-07-13
JP2022111116A (ja) 2022-07-29
JP2019520527A (ja) 2019-07-18
US11815110B2 (en) 2023-11-14
EP3464982B1 (en) 2022-11-02
EP3464982A1 (en) 2019-04-10
US11480199B2 (en) 2022-10-25
WO2017210492A1 (en) 2017-12-07

Similar Documents

Publication Publication Date Title
JP7381650B2 (ja) コンパクトで高速かつ強力な油圧アクチュエータのノイズ制御システムおよび方法
JP5747045B2 (ja) 減衰及び慣性油圧装置
US9863494B2 (en) Suspension damper
US12370854B1 (en) Frequency dependent pressure and/or flow fluctuation mitigation in hydraulic systems
CN101801763B (zh) 带有用于吸收压力脉冲的装置的管道
WO2018148689A1 (en) Hydraulic actuator a frequency dependent relative pressure ratio
CN102639899B (zh) 用于改善振动隔离的装置
JP2021528300A (ja) 分散型アクティブサスペンションシステム用のアキュムレータ
JP2025138680A (ja) 差動油圧緩衝器
JP2015102101A (ja) 緩衝器
CN108027006A (zh) 缓冲器
JP5993658B2 (ja) 振動試験機
CN104632792A (zh) 一种液压泵口孔道参数不同的多孔管式变阻尼滤波器
JP5233825B2 (ja) 三次元免震装置
JP2015102100A (ja) 緩衝器
JP7014905B2 (ja) ねじり振動減衰器またはねじり振動吸振器
CN109695653B (zh) 一种集成式阻尼及刚度调节装置
US10670108B2 (en) Hydraulically damping bearing
JP5690179B2 (ja) 緩衝装置
JP6622637B2 (ja) ダンパ
JP2013050174A (ja) オイルダンパー、及び建築構造
JP2008082382A (ja) 振動伝達抑制装置
CN106062412A (zh) 用于部件、特别是车辆的部件的吸振器
Sirviö Vibration control of a four-chamber hydraulic cylinder system with a variable volume Helmholtz resonator
CN116518010A (zh) 减振结构及其装置和在MicroLED检测设备的用途

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200529

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200529

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210329

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210329

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20210628

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210826

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220107

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220509

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20220509

C11 Written invitation by the commissioner to file amendments

Free format text: JAPANESE INTERMEDIATE CODE: C11

Effective date: 20220518

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20220629

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20220630

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20220729

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20220802

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20221018

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20230130

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230424

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230626

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231213

R150 Certificate of patent or registration of utility model

Ref document number: 7403953

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150