CN112728166A - 油口单独控制的液压多路阀及其控制方法 - Google Patents
油口单独控制的液压多路阀及其控制方法 Download PDFInfo
- Publication number
- CN112728166A CN112728166A CN202110001897.XA CN202110001897A CN112728166A CN 112728166 A CN112728166 A CN 112728166A CN 202110001897 A CN202110001897 A CN 202110001897A CN 112728166 A CN112728166 A CN 112728166A
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- China
- Prior art keywords
- oil
- oil port
- cavity
- annular groove
- 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.)
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Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0433—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being pressure control valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0435—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being sliding valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0712—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising particular spool-valve sealing means
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
- F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
- F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0409—Position sensing or feedback of the valve member
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0412—Valve members; Fluid interconnections therefor with three positions
-
- 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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/045—Compensating for variations in viscosity or temperature
-
- 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/3057—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting output member
-
- 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
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load 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
- F15B2211/634—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
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6343—Electronic controllers using input signals representing a temperature
-
- 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
- F15B2211/6656—Closed loop control, i.e. control using feedback
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (13)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001897.XA CN112728166A (zh) | 2021-01-04 | 2021-01-04 | 油口单独控制的液压多路阀及其控制方法 |
| US17/924,031 US12123516B2 (en) | 2021-01-04 | 2021-12-23 | Hydraulic multi-way valve with independent oil-port control, and control method therefor |
| EP21914167.8A EP4273426A4 (en) | 2021-01-04 | 2021-12-23 | Hydraulic multi-way valve with oil ports controlled independently, and control method therefor |
| JP2023516751A JP7554916B2 (ja) | 2021-01-04 | 2021-12-23 | 油ポート個別制御式油圧マルチウェイバルブ及びその制御方法 |
| PCT/CN2021/140996 WO2022143430A1 (zh) | 2021-01-04 | 2021-12-23 | 油口单独控制的液压多路阀及其控制方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001897.XA CN112728166A (zh) | 2021-01-04 | 2021-01-04 | 油口单独控制的液压多路阀及其控制方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728166A true CN112728166A (zh) | 2021-04-30 |
Family
ID=75609511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110001897.XA Pending CN112728166A (zh) | 2021-01-04 | 2021-01-04 | 油口单独控制的液压多路阀及其控制方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12123516B2 (zh) |
| EP (1) | EP4273426A4 (zh) |
| JP (1) | JP7554916B2 (zh) |
| CN (1) | CN112728166A (zh) |
| WO (1) | WO2022143430A1 (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753011A (zh) * | 2021-09-14 | 2021-12-07 | 青岛纳惟信动力科技有限公司 | 一种液控并联双路液压动力制动阀 |
| CN114323499A (zh) * | 2021-12-23 | 2022-04-12 | 徐州阿马凯液压技术有限公司 | 一种适用于液压多路阀的气密性检测装置 |
| WO2022143430A1 (zh) * | 2021-01-04 | 2022-07-07 | 江苏恒立液压科技有限公司 | 油口单独控制的液压多路阀及其控制方法 |
| CN114810688A (zh) * | 2022-05-31 | 2022-07-29 | 山东临工工程机械有限公司 | 一种优先阀、液压系统及装载机 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117212358A (zh) * | 2023-09-19 | 2023-12-12 | 洛阳三奥新材料科技有限公司 | 一种带有应急功能的离合助力机构 |
| CN117469218B (zh) * | 2023-12-27 | 2024-03-19 | 张家港市艾罗执行器有限公司 | 等流量等压力双缸同步执行系统及其使用方法 |
| CN118601977B (zh) * | 2024-08-07 | 2024-10-29 | 泰兴市兴华气阀有限公司 | 一种卸荷阀芯多层密封结构及卸荷阀 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329420A1 (de) * | 1972-06-12 | 1974-01-03 | Cudnohufsky Sylvester R | Nachfahrsteuerung fuer eine werkzeugmaschine |
| CN103821787A (zh) * | 2014-03-11 | 2014-05-28 | 北京航空航天大学 | 采用压扭二维弹簧的液压先导独立负载多路阀 |
| CN106438536A (zh) * | 2016-08-30 | 2017-02-22 | 北京精密机电控制设备研究所 | 一种可扩展高可靠液压锁 |
| CN110758950A (zh) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | 液压控制系统及垃圾车 |
| CN214618003U (zh) * | 2021-01-04 | 2021-11-05 | 江苏恒立液压科技有限公司 | 油口单独控制的液压多路阀 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603348A (en) * | 1969-07-31 | 1971-09-07 | Mosier Ind Inc | Valve improvements |
| CA930279A (en) * | 1969-11-13 | 1973-07-17 | Deere And Company | Directional control valve |
| US3650286A (en) * | 1970-05-13 | 1972-03-21 | Us Federal Aviation Admin | Hydraulic selector valve |
| BE790334A (fr) * | 1971-12-08 | 1973-02-15 | Koehring Co | Soupape de commande a deux tiroirs pour installations a commande par fluide sous pression |
| DE3637345A1 (de) | 1986-09-05 | 1988-03-17 | Bochumer Eisen Heintzmann | Kolbenschieberventil |
| JPH0332869Y2 (zh) * | 1986-12-22 | 1991-07-11 | ||
| DE4244304A1 (de) * | 1992-12-28 | 1994-06-30 | Asea Brown Boveri | Betätigungsvorrichtung für einen hydraulischen Stellantrieb mit druckproportionalem Stellsignal |
| US5638866A (en) * | 1996-03-01 | 1997-06-17 | Dana Corporation | Detent arrangement for holding hydraulic valve members stroked |
| US5921279A (en) * | 1998-04-29 | 1999-07-13 | Husco International, Inc. | Solenoid operated dual spool control valve |
| US6352240B1 (en) * | 1999-05-13 | 2002-03-05 | Hill-Rom Services, Inc. | Hydraulic control apparatus for a hospital bed |
| US6470912B1 (en) * | 2000-04-20 | 2002-10-29 | Arlington Automatics, Inc. | Dual-spool hydraulic directional valve |
| JP3752153B2 (ja) | 2001-02-06 | 2006-03-08 | 三菱重工業株式会社 | 圧力補償油圧回路 |
| US6634383B2 (en) * | 2001-12-14 | 2003-10-21 | Caterpillar Inc. | Magnetic detent assist assembly |
| US7415989B2 (en) * | 2005-12-23 | 2008-08-26 | Husco International, Inc. | Spool activated lock-out valve for a hydraulic actuator load check valve |
| GB2472005A (en) * | 2009-07-20 | 2011-01-26 | Ultronics Ltd | Control arrangement for monitoring a hydraulic system and altering opening of spool valve in response to operating parameters |
| US8905072B2 (en) * | 2011-08-22 | 2014-12-09 | Eaton Limited | Manual override device for a twin spool valve |
| CN106662127B (zh) * | 2014-05-01 | 2018-08-24 | 伊顿公司 | 手动超驰控制组件 |
| US10344888B2 (en) * | 2014-10-01 | 2019-07-09 | Moog Inc. | Two-stage closed center electro-hydraulic valve |
| CN109072949B (zh) * | 2016-03-02 | 2020-06-16 | 莫戈公司 | 闭式中央压力流量控制阀 |
| JP6792380B2 (ja) | 2016-09-02 | 2020-11-25 | 川崎重工業株式会社 | 建設機械の油圧駆動システム |
| EP3567262A1 (de) * | 2018-04-30 | 2019-11-13 | Tries GmbH & CO. KG | Ventileinheit mit zwei vorsteuerventilen und zwei hauptventilen |
| US11781573B2 (en) * | 2020-07-23 | 2023-10-10 | Parker-Hannifin Corporation | System, valve assembly, and methods for oscillation control of a hydraulic machine |
| DK4019786T3 (da) * | 2020-12-28 | 2024-02-05 | Danfoss Power Solutions Zhejiang Co Ltd | Flervejsbelastningsventilarbejdssektion |
| CN214617263U (zh) | 2021-01-04 | 2021-11-05 | 江苏恒立液压科技有限公司 | 液压多路阀 |
| CN112728166A (zh) | 2021-01-04 | 2021-04-30 | 江苏恒立液压科技有限公司 | 油口单独控制的液压多路阀及其控制方法 |
| CN113236623B (zh) | 2021-06-16 | 2022-03-25 | 太原理工大学 | 一种阀口独立控制的电液比例方向阀 |
-
2021
- 2021-01-04 CN CN202110001897.XA patent/CN112728166A/zh active Pending
- 2021-12-23 WO PCT/CN2021/140996 patent/WO2022143430A1/zh not_active Ceased
- 2021-12-23 US US17/924,031 patent/US12123516B2/en active Active
- 2021-12-23 EP EP21914167.8A patent/EP4273426A4/en active Pending
- 2021-12-23 JP JP2023516751A patent/JP7554916B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329420A1 (de) * | 1972-06-12 | 1974-01-03 | Cudnohufsky Sylvester R | Nachfahrsteuerung fuer eine werkzeugmaschine |
| CN103821787A (zh) * | 2014-03-11 | 2014-05-28 | 北京航空航天大学 | 采用压扭二维弹簧的液压先导独立负载多路阀 |
| CN106438536A (zh) * | 2016-08-30 | 2017-02-22 | 北京精密机电控制设备研究所 | 一种可扩展高可靠液压锁 |
| CN110758950A (zh) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | 液压控制系统及垃圾车 |
| CN214618003U (zh) * | 2021-01-04 | 2021-11-05 | 江苏恒立液压科技有限公司 | 油口单独控制的液压多路阀 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143430A1 (zh) * | 2021-01-04 | 2022-07-07 | 江苏恒立液压科技有限公司 | 油口单独控制的液压多路阀及其控制方法 |
| US12123516B2 (en) | 2021-01-04 | 2024-10-22 | Jiangsu Hengli Hydraulic Technology Co., Ltd. | Hydraulic multi-way valve with independent oil-port control, and control method therefor |
| CN113753011A (zh) * | 2021-09-14 | 2021-12-07 | 青岛纳惟信动力科技有限公司 | 一种液控并联双路液压动力制动阀 |
| CN114323499A (zh) * | 2021-12-23 | 2022-04-12 | 徐州阿马凯液压技术有限公司 | 一种适用于液压多路阀的气密性检测装置 |
| CN114810688A (zh) * | 2022-05-31 | 2022-07-29 | 山东临工工程机械有限公司 | 一种优先阀、液压系统及装载机 |
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| EP4273426A1 (en) | 2023-11-08 |
| US20230220926A1 (en) | 2023-07-13 |
| JP7554916B2 (ja) | 2024-09-20 |
| WO2022143430A1 (zh) | 2022-07-07 |
| JP2023541925A (ja) | 2023-10-04 |
| US12123516B2 (en) | 2024-10-22 |
| EP4273426A4 (en) | 2024-11-27 |
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