JP7612944B2 - 流体圧制御装置 - Google Patents

流体圧制御装置 Download PDF

Info

Publication number
JP7612944B2
JP7612944B2 JP2024507834A JP2024507834A JP7612944B2 JP 7612944 B2 JP7612944 B2 JP 7612944B2 JP 2024507834 A JP2024507834 A JP 2024507834A JP 2024507834 A JP2024507834 A JP 2024507834A JP 7612944 B2 JP7612944 B2 JP 7612944B2
Authority
JP
Japan
Prior art keywords
pilot
chamber
pressure
valve
passage
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.)
Active
Application number
JP2024507834A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023176685A5 (https=
JPWO2023176685A1 (https=
Inventor
俊輔 久保
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.)
KYB Corp
Original Assignee
KYB Corp
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 KYB Corp filed Critical KYB Corp
Publication of JPWO2023176685A1 publication Critical patent/JPWO2023176685A1/ja
Publication of JPWO2023176685A5 publication Critical patent/JPWO2023176685A5/ja
Application granted granted Critical
Publication of JP7612944B2 publication Critical patent/JP7612944B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet 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
    • 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
    • F15B13/0422—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 manually-operated pilot valves, e.g. joysticks
    • 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
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/30515—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
    • 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
    • F15B2211/30—Directional control
    • F15B2211/355—Pilot pressure control
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP2024507834A 2022-03-16 2023-03-09 流体圧制御装置 Active JP7612944B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022041672 2022-03-16
JP2022041672 2022-03-16
PCT/JP2023/009044 WO2023176685A1 (ja) 2022-03-16 2023-03-09 流体圧制御装置

Publications (3)

Publication Number Publication Date
JPWO2023176685A1 JPWO2023176685A1 (https=) 2023-09-21
JPWO2023176685A5 JPWO2023176685A5 (https=) 2024-11-19
JP7612944B2 true JP7612944B2 (ja) 2025-01-14

Family

ID=88023295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024507834A Active JP7612944B2 (ja) 2022-03-16 2023-03-09 流体圧制御装置

Country Status (4)

Country Link
JP (1) JP7612944B2 (https=)
CN (1) CN118843749A (https=)
DE (1) DE112023001752T5 (https=)
WO (1) WO2023176685A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002317802A (ja) 2001-04-20 2002-10-31 Shin Caterpillar Mitsubishi Ltd パイロット操作制御弁のエア抜き構造
JP2019027504A (ja) 2017-07-28 2019-02-21 Ｋｙｂ株式会社 流体圧制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120447B4 (de) * 1991-06-20 2004-06-03 Linde Ag Entlüftungsvorrichtung für eine hydraulische Anlage
JP5184299B2 (ja) 2008-10-23 2013-04-17 カヤバ工業株式会社 流体圧制御装置
JP2022041672A (ja) 2020-09-01 2022-03-11 富士フイルムビジネスイノベーション株式会社 文書管理装置、文書管理システムおよびプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002317802A (ja) 2001-04-20 2002-10-31 Shin Caterpillar Mitsubishi Ltd パイロット操作制御弁のエア抜き構造
JP2019027504A (ja) 2017-07-28 2019-02-21 Ｋｙｂ株式会社 流体圧制御装置

Also Published As

Publication number Publication date
WO2023176685A1 (ja) 2023-09-21
DE112023001752T5 (de) 2025-02-20
JPWO2023176685A1 (https=) 2023-09-21
CN118843749A (zh) 2024-10-25

Similar Documents

Publication Publication Date Title
JP5948260B2 (ja) 流体圧制御装置
EP3354905B1 (en) Fluid pressure control device
JP6397715B2 (ja) 流体圧制御装置
CN105814321B (zh) 流体压控制装置
JP6857571B2 (ja) 流体圧制御装置
JP6502813B2 (ja) 流体圧制御装置
JP7612944B2 (ja) 流体圧制御装置
JP4918001B2 (ja) 流体圧制御装置
JP7659696B2 (ja) 流体圧制御装置
JP6706170B2 (ja) 流体圧制御装置
JP5184299B2 (ja) 流体圧制御装置
JP2004132411A (ja) 油圧制御装置
JP7705753B2 (ja) 流体圧制御装置
WO2024154495A1 (ja) 流体圧制御装置
WO2025052916A1 (ja) 流体圧制御装置
JP4184733B2 (ja) 油圧作業機械の油圧制御回路
WO2015174250A1 (ja) 流体圧制御装置
JP2012197909A (ja) 流体圧制御装置

Legal Events

Date Code Title Description
A529 Written submission of copy of amendment under article 34 pct

Free format text: JAPANESE INTERMEDIATE CODE: A5211

Effective date: 20240830

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240830

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20240830

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241210

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241225

R150 Certificate of patent or registration of utility model

Ref document number: 7612944

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150