KR20210028565A - 압력 조정 밸브 및 건설 기계 - Google Patents

압력 조정 밸브 및 건설 기계 Download PDF

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Publication number
KR20210028565A
KR20210028565A KR1020200097349A KR20200097349A KR20210028565A KR 20210028565 A KR20210028565 A KR 20210028565A KR 1020200097349 A KR1020200097349 A KR 1020200097349A KR 20200097349 A KR20200097349 A KR 20200097349A KR 20210028565 A KR20210028565 A KR 20210028565A
Authority
KR
South Korea
Prior art keywords
spool
axial direction
control
drive
drive spool
Prior art date
Application number
KR1020200097349A
Other languages
English (en)
Korean (ko)
Inventor
히토시 이와사키
Original Assignee
나부테스코 가부시키가이샤
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 나부테스코 가부시키가이샤 filed Critical 나부테스코 가부시키가이샤
Publication of KR20210028565A publication Critical patent/KR20210028565A/ko

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Classifications

    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • 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
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Driven Valves (AREA)
  • Operation Control Of Excavators (AREA)
  • Magnetically Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)
KR1020200097349A 2019-09-04 2020-08-04 압력 조정 밸브 및 건설 기계 KR20210028565A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019160990A JP7430998B2 (ja) 2019-09-04 2019-09-04 圧力調整弁および建設機械
JPJP-P-2019-160990 2019-09-04

Publications (1)

Publication Number Publication Date
KR20210028565A true KR20210028565A (ko) 2021-03-12

Family

ID=74733478

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020200097349A KR20210028565A (ko) 2019-09-04 2020-08-04 압력 조정 밸브 및 건설 기계

Country Status (3)

Country Link
JP (1) JP7430998B2 (ja)
KR (1) KR20210028565A (ja)
CN (1) CN112443524A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003269411A (ja) 2002-03-08 2003-09-25 Husco Internatl Inc フォースフィードバック位置検出付電気動作型油圧アクチュエータ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52144574A (en) * 1976-05-27 1977-12-01 Toshiba Mach Co Ltd Electro magnet proportional control valve
JPS54134820A (en) * 1978-04-11 1979-10-19 Toyooki Kogyo Kk Electric current control type proportional liquid flow control valve
JPH10299711A (ja) * 1997-04-25 1998-11-10 Hitachi Constr Mach Co Ltd 流量方向切換弁
DE10114472A1 (de) * 2001-03-24 2002-09-26 Bosch Gmbh Robert Elektromagnet zum Antrieb eines hydraulischen Ventils
US7422033B2 (en) 2004-12-16 2008-09-09 Husco International, Inc. Position feedback pilot valve actuator for a spool control valve
JP5779019B2 (ja) * 2011-07-15 2015-09-16 川崎重工業株式会社 電磁比例制御弁
US9897228B2 (en) 2015-11-06 2018-02-20 Caterpillar Inc. Valve having opposing right-angle actuators
US9915368B2 (en) 2015-11-06 2018-03-13 Caterpillar Inc. Electrohydraulic valve having dual-action right-angle pilot actuator
US9803661B2 (en) 2015-11-06 2017-10-31 Caterpillar Inc. Valve having right-angle proportional and directional pilot actuators

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003269411A (ja) 2002-03-08 2003-09-25 Husco Internatl Inc フォースフィードバック位置検出付電気動作型油圧アクチュエータ

Also Published As

Publication number Publication date
CN112443524A (zh) 2021-03-05
JP7430998B2 (ja) 2024-02-14
JP2021038813A (ja) 2021-03-11

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