CN102713312B - 流体旁通系统 - Google Patents

流体旁通系统 Download PDF

Info

Publication number
CN102713312B
CN102713312B CN201080059777.5A CN201080059777A CN102713312B CN 102713312 B CN102713312 B CN 102713312B CN 201080059777 A CN201080059777 A CN 201080059777A CN 102713312 B CN102713312 B CN 102713312B
Authority
CN
China
Prior art keywords
fluid
communicated
valve assembly
input signal
control valve
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.)
Expired - Fee Related
Application number
CN201080059777.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN102713312A (zh
Inventor
P·J·迪宾
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.)
Danfoss AS
Original Assignee
Eaton 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.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of CN102713312A publication Critical patent/CN102713312A/zh
Application granted granted Critical
Publication of CN102713312B publication Critical patent/CN102713312B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/25—Pressure control functions
    • F15B2211/252—Low pressure control
    • 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/634—Electronic controllers using input signals representing a state of a valve
    • 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
    • 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
    • F15B2211/85—Control during special operating conditions
    • 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
    • F15B2211/88—Control measures for saving energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
CN201080059777.5A 2009-12-29 2010-12-20 流体旁通系统 Expired - Fee Related CN102713312B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/648,410 2009-12-29
US12/648,410 US8607559B2 (en) 2009-12-29 2009-12-29 Fluid bypass system
PCT/US2010/061223 WO2011090642A1 (en) 2009-12-29 2010-12-20 Fluid bypass system

Publications (2)

Publication Number Publication Date
CN102713312A CN102713312A (zh) 2012-10-03
CN102713312B true CN102713312B (zh) 2016-03-30

Family

ID=43983300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080059777.5A Expired - Fee Related CN102713312B (zh) 2009-12-29 2010-12-20 流体旁通系统

Country Status (8)

Country Link
US (1) US8607559B2 (cg-RX-API-DMAC7.html)
EP (1) EP2519749B1 (cg-RX-API-DMAC7.html)
JP (1) JP5980123B2 (cg-RX-API-DMAC7.html)
KR (1) KR101874126B1 (cg-RX-API-DMAC7.html)
CN (1) CN102713312B (cg-RX-API-DMAC7.html)
BR (1) BR112012015944B1 (cg-RX-API-DMAC7.html)
CA (1) CA2785695A1 (cg-RX-API-DMAC7.html)
WO (1) WO2011090642A1 (cg-RX-API-DMAC7.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9127437B2 (en) * 2010-12-15 2015-09-08 Caterpillar Inc. Flow regeneration hydraulic circuit
JP6283195B2 (ja) * 2012-12-04 2018-02-21 住友精密工業株式会社 脚揚降用電動油圧アクチュエータシステム
CN104884818B (zh) * 2012-12-21 2017-06-30 伊顿公司 流体泵组件的比例流量控制
JP6999033B2 (ja) * 2017-11-24 2022-01-18 ダニエリ アンド シー．オフィス メカニケ エスピーエー 金属材料を押し出すためのプレス機
DE102018212077A1 (de) * 2018-07-19 2020-01-23 Deere & Company Verfahren zum Betreiben eines hydraulischen Verbrauchers an einem elektrisch betätigbaren Steuerventil
NL2021969B1 (en) * 2018-10-05 2020-05-12 Illumina Inc Multi-valve fluid cartridge
DK3699437T3 (en) * 2019-02-25 2025-08-04 Siemens Gamesa Renewable Energy As Flow control for an actuator
EP4476453A1 (en) * 2022-02-08 2024-12-18 Stackpole International Engineered Products, Ltd. Pre-pressurized system with reverse rotation of pump for valve actuation
KR102668151B1 (ko) * 2023-11-09 2024-05-22 국방과학연구소 컨트롤 밸브 어셈블리가 적용된 이중 펄스 로켓 추진기관의 추력 벡터 제어용 유압식 블로우다운 구동장치 시스템

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164119A (en) * 1978-03-27 1979-08-14 J. I. Case Company Hydraulic pump unloading system
US4383412A (en) * 1979-10-17 1983-05-17 Cross Manufacturing, Inc. Multiple pump load sensing system
CN1109145A (zh) * 1994-08-29 1995-09-27 张智远 人造金刚石超高压机的新型液压系统
CN1191279A (zh) * 1996-11-20 1998-08-26 株式会社神户制钢所 液压电动机控制系统
US20040208754A1 (en) * 2001-03-28 2004-10-21 Hydraulic Controls, Inc. Speed regulated oil delivery system
CN1903476A (zh) * 2005-07-28 2007-01-31 中南大学 大型模锻液压机的补偿同步平衡控制系统

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793498A (en) 1955-08-29 1957-05-28 New Prod Corp Hydraulic system and unloader valve therefor
US3140722A (en) 1961-05-29 1964-07-14 William F Stoesser Hydraulic unloader valves
US3524465A (en) 1968-09-03 1970-08-18 Hypro Inc Unloader valve assembly
US3788770A (en) 1972-06-15 1974-01-29 Gen Motors Corp Fluid pump with flow control means
DE2533164C3 (de) 1975-07-24 1982-02-11 International Harvester Company Mbh, 4040 Neuss Hydraulische Steuereinrichtung für ein Hydrauliksystem
US4010610A (en) * 1976-04-09 1977-03-08 J. I. Case Company Hydraulic load-sensing system
US4171708A (en) 1977-04-25 1979-10-23 Lear Siegler, Inc. Bypass and unloader valve
JPS55140651A (en) 1979-04-19 1980-11-04 Honda Motor Co Ltd Unloader for power steering device
JPS57164848A (en) 1981-03-31 1982-10-09 Aisin Seiki Co Ltd Hydraulic booster with pressure accumulating device
US4663936A (en) 1984-06-07 1987-05-12 Eaton Corporation Load sensing priority system with bypass control
US4569367A (en) 1985-01-14 1986-02-11 Commercial Shearing, Inc. Hydraulic valve inlet unloaders
US4644748A (en) * 1985-04-29 1987-02-24 The Oilgear Company Constant speed hydraulic drive
US4667365A (en) * 1986-02-24 1987-05-26 M-B Company, Inc. Of Wisconsin Anti-shimmy caster wheel assembly using a speed sensor and braking action about the verticle axis
US5197284A (en) 1989-07-21 1993-03-30 Cartner Jack O Hydraulic motor deceleration system
US5156177A (en) 1990-10-24 1992-10-20 Woodward Governor Company Flow loading unloader valve
KR970000243B1 (ko) 1992-03-09 1997-01-08 히다찌 겐끼 가부시기가이샤 유압구동장치
JPH05254794A (ja) * 1992-03-17 1993-10-05 Mitsubishi Heavy Ind Ltd フォークリフトトラック用油圧制御装置
US5456077A (en) 1994-04-22 1995-10-10 Mcneilus Truck And Manufacturing, Inc. Remote unloader hydraulic valve system
US5540049A (en) 1995-08-01 1996-07-30 Caterpillar Inc. Control system and method for a hydraulic actuator with velocity and force modulation control
US5701933A (en) 1996-06-27 1997-12-30 Caterpillar Inc. Hydraulic control system having a bypass valve
JP3535701B2 (ja) * 1997-07-14 2004-06-07 コベルコ建機株式会社 油圧モータの制御装置
JP3752350B2 (ja) 1997-03-10 2006-03-08 カヤバ工業株式会社 油圧制御回路
JP2000170212A (ja) 1998-07-07 2000-06-20 Yutani Heavy Ind Ltd 作業機械の油圧制御装置
US5996343A (en) 1998-11-12 1999-12-07 Caterpillar Inc. Overspeed control system for a hydro-mechanical drive system
DE19930562A1 (de) * 1999-07-02 2001-01-04 Still Gmbh Hydraulikanlage für ein Flurförderzeug
US6691603B2 (en) 2001-12-28 2004-02-17 Caterpillar Inc Implement pressure control for hydraulic circuit
US20080083894A1 (en) 2006-10-10 2008-04-10 Li Perry Y Pulse width modulated fluidic valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164119A (en) * 1978-03-27 1979-08-14 J. I. Case Company Hydraulic pump unloading system
US4383412A (en) * 1979-10-17 1983-05-17 Cross Manufacturing, Inc. Multiple pump load sensing system
CN1109145A (zh) * 1994-08-29 1995-09-27 张智远 人造金刚石超高压机的新型液压系统
CN1191279A (zh) * 1996-11-20 1998-08-26 株式会社神户制钢所 液压电动机控制系统
US20040208754A1 (en) * 2001-03-28 2004-10-21 Hydraulic Controls, Inc. Speed regulated oil delivery system
CN1903476A (zh) * 2005-07-28 2007-01-31 中南大学 大型模锻液压机的补偿同步平衡控制系统

Also Published As

Publication number Publication date
US8607559B2 (en) 2013-12-17
CA2785695A1 (en) 2011-07-28
EP2519749A1 (en) 2012-11-07
KR101874126B1 (ko) 2018-07-03
BR112012015944B1 (pt) 2021-11-16
WO2011090642A1 (en) 2011-07-28
CN102713312A (zh) 2012-10-03
BR112012015944A2 (pt) 2020-09-08
KR20120101684A (ko) 2012-09-14
JP5980123B2 (ja) 2016-08-31
US20110154816A1 (en) 2011-06-30
JP2013515936A (ja) 2013-05-09
EP2519749B1 (en) 2018-10-03

Similar Documents

Publication Publication Date Title
CN102713312B (zh) 流体旁通系统
CN104144843B (zh) 转向控制单元以及电液转向负载敏感控制
EP3807540B1 (en) A hydraulic valve arrangement
EP2933386B1 (en) Construction machine
WO2015073529A1 (en) Hydraulic brake
CN102785650B (zh) 液压制动阀装置
CN211448991U (zh) 控制设备
EP2564072B1 (en) Multiple fluid pump combination circuit
JP2002372005A (ja) 油圧システム
US20060196179A1 (en) Load-sensing integrated brake and fan hydraulic system
EP2261427A1 (en) Hydraulic work vehicle
US20120205563A1 (en) Valve arrangement for actuating a load
JPH0941427A (ja) 油圧作業機
GB2580637A (en) Systems and methods for selective enablement of hydraulic operation
EP1724182B1 (en) Oil pressure supply device for industrial vehicle
JPH10299706A (ja) 油圧モータの駆動システム
US20120152377A1 (en) Fluid bypass valve system
JP2025174194A (ja) 流体圧制御回路および作業機械
JP2550771Y2 (ja) 操作弁装置
JP2008069796A (ja) 作業車輌の油圧回路

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190626

Address after: Dublin, Ireland

Patentee after: Eaton Intelligent Power Co.,Ltd.

Address before: Ohio, USA

Patentee before: Eaton Corp.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220507

Address after: Denmark nordburg

Patentee after: Danfoss power system II Technology Co.,Ltd.

Address before: Irish Dublin

Patentee before: Eaton Intelligent Power Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160330