KR20170052685A - 로드 센싱 밸브 장치 - Google Patents
로드 센싱 밸브 장치 Download PDFInfo
- Publication number
- KR20170052685A KR20170052685A KR1020177010005A KR20177010005A KR20170052685A KR 20170052685 A KR20170052685 A KR 20170052685A KR 1020177010005 A KR1020177010005 A KR 1020177010005A KR 20177010005 A KR20177010005 A KR 20177010005A KR 20170052685 A KR20170052685 A KR 20170052685A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- chamber
- port
- spool
- compressor
- 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.)
- Ceased
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Classifications
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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
- F15B11/00—Servomotor systems without provision for follow-up action ; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
-
- 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
- F16K11/0716—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 with fluid passages through 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
- F15B11/00—Servomotor systems without provision for follow-up action ; Circuits therefor
- F15B11/003—Systems with load-holding 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
-
- 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
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
-
- 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
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30555—Inlet and outlet of the pressure compensating valve being connected to the directional control 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional 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
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/65—Methods of control of the load sensing pressure
- F15B2211/651—Methods of control of the load sensing pressure characterised by the way the load pressure is communicated to the load sensing circuit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
도 2는 본 발명의 관련 기술에 관한 로드 센싱 밸브의 단면도이다.
Claims (1)
- 복수의 액추에이터에 대응되고, 상기 복수의 액추에이터로 작동 유체를 유도하는 액추에이터 포트를 구비하는 복수의 밸브 바디와,
상기 복수의 밸브 바디에 각각 미끄럼 이동 가능하게 조립되는 복수의 메인 스풀과,
상기 복수의 메인 스풀의 축 방향에 대해 각각 평행하게 조립되는 복수의 컴펜세이터 스풀을 구비하고,
상기 컴펜세이터 스풀은,
상기 메인 스풀의 전환에 따라서 가변 용량형 펌프로부터의 작동 유체가 유도되는 압력실과,
이동 위치에 따라서 상기 압력실과 상기 액추에이터 포트를 연통시키는 개방도가 변화되는 컴펜세이터 스로틀부와,
상기 압력실의 하류측에 있고, 상기 액추에이터의 부하압이 유도되는 압력 도입실과,
상기 압력 도입실과 상기 액추에이터 포트를 연통하는 압력 도입 포트와,
상기 복수의 액추에이터의 부하압 중 최고 부하압이 유도되는 최고 부하압 도입실과,
일단부가 상기 압력 도입실에 면하고 타단부가 상기 최고 부하압 도입실에 면함과 함께, 상기 압력 도입실과 상기 최고 부하압 도입실 중 고압을 선택하는 선택 밸브를 갖고,
상기 압력 도입 포트의 주위에는 홈이 형성되어 있고, 상기 컴펜세이터 스풀이 이동하는 과정에서, 상기 홈이 상기 액추에이터 측에 연통되는 통로와의 사이에서 상대 이동하여 상기 압력 도입 포트의 개구 면적을 작게 하는, 로드 센싱 밸브 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014227154A JP6425500B2 (ja) | 2014-11-07 | 2014-11-07 | ロードセンシングバルブ装置 |
| JPJP-P-2014-227154 | 2014-11-07 | ||
| PCT/JP2015/080276 WO2016072322A1 (ja) | 2014-11-07 | 2015-10-27 | ロードセンシングバルブ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170052685A true KR20170052685A (ko) | 2017-05-12 |
Family
ID=55909048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177010005A Ceased KR20170052685A (ko) | 2014-11-07 | 2015-10-27 | 로드 센싱 밸브 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10408358B2 (ko) |
| JP (1) | JP6425500B2 (ko) |
| KR (1) | KR20170052685A (ko) |
| CN (1) | CN107076174B (ko) |
| DE (1) | DE112015005044T5 (ko) |
| WO (1) | WO2016072322A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6355606B2 (ja) * | 2015-10-16 | 2018-07-11 | Kyb株式会社 | ロードセンシング回路におけるバルブ構造 |
| US11459220B2 (en) | 2017-11-30 | 2022-10-04 | Danfoss Power Solution II Technology A/S | Hydraulic system with load sense and methods thereof |
| DE102018204854A1 (de) * | 2018-03-29 | 2019-10-02 | Robert Bosch Gmbh | Ventilanordnung mit einem Hauptschieber und zwei Steuerschiebern |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881512A (en) * | 1973-09-21 | 1975-05-06 | Koehring Co | Hydraulic control valve and pressure compensating mechanism therefor |
| JPS6095272U (ja) | 1983-12-03 | 1985-06-28 | カヤバ工業株式会社 | 油圧制御装置 |
| JPH0758082B2 (ja) * | 1990-06-22 | 1995-06-21 | 株式会社ゼクセル | 油圧制御弁装置 |
| JP3511414B2 (ja) * | 1994-02-24 | 2004-03-29 | 株式会社小松製作所 | 圧油供給装置 |
| JP3521007B2 (ja) * | 1994-08-05 | 2004-04-19 | 株式会社小松製作所 | 圧力補償弁 |
| JP3763045B2 (ja) * | 1995-10-03 | 2006-04-05 | ナブテスコ株式会社 | 多連式方向切換弁のシャトル弁機構 |
| US7182097B2 (en) * | 2004-08-17 | 2007-02-27 | Walvoil S.P.A. | Anti-saturation directional control valve composed of two or more sections with pressure selector compensators |
| ATE454561T1 (de) * | 2004-11-08 | 2010-01-15 | Duplomatic Oleodinamica S P A | Hydraulisches ls-wegeventil |
| JP4986884B2 (ja) * | 2008-02-28 | 2012-07-25 | カヤバ工業株式会社 | ロードセンシングバルブ |
| CN202187970U (zh) * | 2011-08-04 | 2012-04-11 | 浙江圣邦机械有限公司 | 负载传感分合流系统整体铸造流道集成体比例控制多路阀 |
| JP6038509B2 (ja) * | 2012-06-29 | 2016-12-07 | ナブテスコ株式会社 | 圧力補償弁とこの圧力補償弁と一体化した油圧制御弁並びに油圧制御弁を搭載した建設機械 |
| CN102865386B (zh) * | 2012-09-28 | 2014-03-12 | 张家港市普天机械制造有限公司 | 机械节流阀 |
-
2014
- 2014-11-07 JP JP2014227154A patent/JP6425500B2/ja active Active
-
2015
- 2015-10-27 CN CN201580060179.2A patent/CN107076174B/zh active Active
- 2015-10-27 US US15/518,821 patent/US10408358B2/en active Active
- 2015-10-27 DE DE112015005044.2T patent/DE112015005044T5/de active Pending
- 2015-10-27 WO PCT/JP2015/080276 patent/WO2016072322A1/ja not_active Ceased
- 2015-10-27 KR KR1020177010005A patent/KR20170052685A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP6425500B2 (ja) | 2018-11-21 |
| JP2016089995A (ja) | 2016-05-23 |
| CN107076174B (zh) | 2018-12-18 |
| CN107076174A (zh) | 2017-08-18 |
| US20170241555A1 (en) | 2017-08-24 |
| US10408358B2 (en) | 2019-09-10 |
| DE112015005044T5 (de) | 2017-12-14 |
| WO2016072322A1 (ja) | 2016-05-12 |
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