WO2012124386A1 - 制御弁 - Google Patents
制御弁 Download PDFInfo
- Publication number
- WO2012124386A1 WO2012124386A1 PCT/JP2012/051777 JP2012051777W WO2012124386A1 WO 2012124386 A1 WO2012124386 A1 WO 2012124386A1 JP 2012051777 W JP2012051777 W JP 2012051777W WO 2012124386 A1 WO2012124386 A1 WO 2012124386A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pilot
- pilot chamber
- spool
- signal pressure
- pressure passage
- Prior art date
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Images
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
- 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
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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
-
- 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
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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
- F16K11/02—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
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
-
- 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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86622—Motor-operated
- Y10T137/8663—Fluid motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]
Abstract
Description
Claims (1)
- 弁本体に摺動自在に組み込まれたスプールと、前記スプールの両端に臨んで配置された第1パイロット室及び第2パイロット室と、を備え、前記第1パイロット室及び前記第2パイロット室のいずれか一方に導かれるパイロット圧の作用で前記スプールが移動する制御弁であって、
前記弁本体に形成され、前記第1パイロット室又は前記第2パイロット室のパイロット圧を他の機器の信号圧として導く信号圧通路と、
前記スプールに形成され、前記スプールが中立位置にあるときに前記第1パイロット室と前記信号圧通路とを連通する連通溝と、
前記スプールに形成され、前記第2パイロット室と前記信号圧通路とを連通する連通孔と、
前記連通孔に介装され、前記第2パイロット室から前記信号圧通路への流通のみを許容するチェック弁と、を備え、
前記連通溝は、前記第1パイロット室にパイロット圧が導かれ前記スプールが移動したときには前記第1パイロット室と前記信号圧通路とを連通する一方、前記第2パイロット室にパイロット圧が導かれ前記スプールが移動したときには前記第1パイロット室と前記信号圧通路との連通を遮断する制御弁。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127028887A KR101444574B1 (ko) | 2011-03-16 | 2012-01-27 | 제어 밸브 |
CN201280001213.5A CN102859245B (zh) | 2011-03-16 | 2012-01-27 | 控制阀 |
EP12757428.3A EP2687764B1 (en) | 2011-03-16 | 2012-01-27 | Control valve |
US13/642,885 US8851119B2 (en) | 2011-03-16 | 2012-01-27 | Control valve |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011057663A JP5602074B2 (ja) | 2011-03-16 | 2011-03-16 | 制御弁 |
JP2011-057663 | 2011-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012124386A1 true WO2012124386A1 (ja) | 2012-09-20 |
Family
ID=46830467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/051777 WO2012124386A1 (ja) | 2011-03-16 | 2012-01-27 | 制御弁 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8851119B2 (ja) |
EP (1) | EP2687764B1 (ja) |
JP (1) | JP5602074B2 (ja) |
KR (1) | KR101444574B1 (ja) |
CN (1) | CN102859245B (ja) |
WO (1) | WO2012124386A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019172131A1 (ja) | 2018-03-09 | 2019-09-12 | Kyb株式会社 | 制御弁 |
JP2019157949A (ja) * | 2018-03-09 | 2019-09-19 | Kyb株式会社 | 制御弁 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9556970B2 (en) * | 2013-07-19 | 2017-01-31 | Control Components, Inc. | Cascade trim for control valve |
CN106232907B (zh) * | 2014-04-29 | 2018-11-02 | 沃尔沃建造设备有限公司 | 用于工程机械的流量控制阀 |
JP2016061427A (ja) * | 2014-09-22 | 2016-04-25 | Kyb株式会社 | 切換弁 |
JP6440451B2 (ja) | 2014-10-27 | 2018-12-19 | Kyb株式会社 | ロードセンシングバルブ装置 |
CN105179344B (zh) * | 2015-01-15 | 2017-05-03 | 徐州重型机械有限公司 | 一种分流阀 |
CN104847924B (zh) * | 2015-03-27 | 2017-04-12 | 浙江工业大学 | 用于可视化观测的高速转阀及流动参数实时检测装置 |
JP7033463B2 (ja) * | 2018-02-21 | 2022-03-10 | 川崎重工業株式会社 | スプール弁装置 |
CN108506267B (zh) * | 2018-05-02 | 2019-11-26 | 宁波真格液压科技有限公司 | 一种具有泄压功能的回路选择阀 |
CN113874648B (zh) * | 2019-05-30 | 2023-12-22 | 沃尔沃建筑设备公司 | 滑阀和包括该滑阀的液压设备 |
JP7139297B2 (ja) * | 2019-09-25 | 2022-09-20 | 日立建機株式会社 | 流量制御弁 |
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2011
- 2011-03-16 JP JP2011057663A patent/JP5602074B2/ja active Active
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2012
- 2012-01-27 WO PCT/JP2012/051777 patent/WO2012124386A1/ja active Application Filing
- 2012-01-27 CN CN201280001213.5A patent/CN102859245B/zh active Active
- 2012-01-27 EP EP12757428.3A patent/EP2687764B1/en active Active
- 2012-01-27 US US13/642,885 patent/US8851119B2/en active Active
- 2012-01-27 KR KR1020127028887A patent/KR101444574B1/ko active IP Right Grant
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JPH11141696A (ja) * | 1997-11-10 | 1999-05-25 | Hitachi Constr Mach Co Ltd | スプール型方向切換弁システム |
JPH11280705A (ja) * | 1998-03-27 | 1999-10-15 | Shin Caterpillar Mitsubishi Ltd | 油圧弁操作装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019172131A1 (ja) | 2018-03-09 | 2019-09-12 | Kyb株式会社 | 制御弁 |
JP2019157949A (ja) * | 2018-03-09 | 2019-09-19 | Kyb株式会社 | 制御弁 |
US11255354B2 (en) | 2018-03-09 | 2022-02-22 | Kyb Corporation | Control valve |
Also Published As
Publication number | Publication date |
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JP5602074B2 (ja) | 2014-10-08 |
KR20130018844A (ko) | 2013-02-25 |
US20130037131A1 (en) | 2013-02-14 |
CN102859245B (zh) | 2014-01-22 |
KR101444574B1 (ko) | 2014-09-24 |
EP2687764A4 (en) | 2015-11-25 |
EP2687764B1 (en) | 2016-09-14 |
US8851119B2 (en) | 2014-10-07 |
JP2012193789A (ja) | 2012-10-11 |
EP2687764A1 (en) | 2014-01-22 |
CN102859245A (zh) | 2013-01-02 |
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