JPS5842803A - コントロ−ルバルブとこれを使用した作業機の回路 - Google Patents

コントロ−ルバルブとこれを使用した作業機の回路

Info

Publication number
JPS5842803A
JPS5842803A JP56141582A JP14158281A JPS5842803A JP S5842803 A JPS5842803 A JP S5842803A JP 56141582 A JP56141582 A JP 56141582A JP 14158281 A JP14158281 A JP 14158281A JP S5842803 A JPS5842803 A JP S5842803A
Authority
JP
Japan
Prior art keywords
flow path
control valve
spool
tank
pump
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.)
Granted
Application number
JP56141582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0253642B2 (https=
Inventor
Hiroshi Fukaya
浩 深谷
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.)
HANDOOTHE- KOGYO KK
HANDOZER IND CO Ltd
Original Assignee
HANDOOTHE- KOGYO KK
HANDOZER IND CO Ltd
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 HANDOOTHE- KOGYO KK, HANDOZER IND CO Ltd filed Critical HANDOOTHE- KOGYO KK
Priority to JP56141582A priority Critical patent/JPS5842803A/ja
Publication of JPS5842803A publication Critical patent/JPS5842803A/ja
Publication of JPH0253642B2 publication Critical patent/JPH0253642B2/ja
Granted legal-status Critical Current

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
    • 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
    • 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
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
JP56141582A 1981-09-08 1981-09-08 コントロ−ルバルブとこれを使用した作業機の回路 Granted JPS5842803A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56141582A JPS5842803A (ja) 1981-09-08 1981-09-08 コントロ−ルバルブとこれを使用した作業機の回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56141582A JPS5842803A (ja) 1981-09-08 1981-09-08 コントロ−ルバルブとこれを使用した作業機の回路

Publications (2)

Publication Number Publication Date
JPS5842803A true JPS5842803A (ja) 1983-03-12
JPH0253642B2 JPH0253642B2 (https=) 1990-11-19

Family

ID=15295342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56141582A Granted JPS5842803A (ja) 1981-09-08 1981-09-08 コントロ−ルバルブとこれを使用した作業機の回路

Country Status (1)

Country Link
JP (1) JPS5842803A (https=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611086U (ja) * 1984-06-06 1986-01-07 南機械株式会社 乾燥単板のテンダ−ライジング装置
JP2007501914A (ja) * 2003-08-08 2007-02-01 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 建設機械のための、特に掘削機のための油圧制御システム
JP2016090033A (ja) * 2014-11-11 2016-05-23 ナブテスコ株式会社 方向切換弁
JP2017141858A (ja) * 2016-02-08 2017-08-17 ナブテスコ株式会社 方向切換弁及び油圧システム
JP2018017347A (ja) * 2016-07-28 2018-02-01 キャタピラー エス エー アール エル 弁装置およびこれを備えた流体圧システム
CN116529441A (zh) * 2020-11-17 2023-08-01 川崎重工业株式会社 多控制阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6552829B2 (ja) * 2015-01-28 2019-07-31 ナブテスコ株式会社 方向切換弁

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611086U (ja) * 1984-06-06 1986-01-07 南機械株式会社 乾燥単板のテンダ−ライジング装置
JP2007501914A (ja) * 2003-08-08 2007-02-01 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 建設機械のための、特に掘削機のための油圧制御システム
JP2016090033A (ja) * 2014-11-11 2016-05-23 ナブテスコ株式会社 方向切換弁
JP2017141858A (ja) * 2016-02-08 2017-08-17 ナブテスコ株式会社 方向切換弁及び油圧システム
JP2018017347A (ja) * 2016-07-28 2018-02-01 キャタピラー エス エー アール エル 弁装置およびこれを備えた流体圧システム
WO2018019741A1 (en) 2016-07-28 2018-02-01 Caterpillar Sarl Valve apparatus and fluid pressure system equipped therewith
CN109563854A (zh) * 2016-07-28 2019-04-02 卡特彼勒Sarl 阀装置和配备该阀装置的流体压力系统
CN109563854B (zh) * 2016-07-28 2020-09-15 卡特彼勒Sarl 阀装置和配备该阀装置的流体压力系统
US11428333B2 (en) 2016-07-28 2022-08-30 Caterpillar Sarl Valve apparatus and fluid pressure system equipped therewith
CN116529441A (zh) * 2020-11-17 2023-08-01 川崎重工业株式会社 多控制阀

Also Published As

Publication number Publication date
JPH0253642B2 (https=) 1990-11-19

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