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ITTO20040202A1 - Valvola pilota rotativa - Google Patents

Valvola pilota rotativa

Info

Publication number
ITTO20040202A1
ITTO20040202A1 ITTO20040202A ITTO20040202A1 IT TO20040202 A1 ITTO20040202 A1 IT TO20040202A1 IT TO20040202 A ITTO20040202 A IT TO20040202A IT TO20040202 A1 ITTO20040202 A1 IT TO20040202A1
Authority
IT
Italy
Prior art keywords
pilot valve
rotary pilot
rotary
valve
pilot
Prior art date
Application number
Other languages
English (en)
Inventor
Shuuji Hori
Daisuke Kozuka
Original Assignee
Komatsu Mfg 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 Komatsu Mfg Co Ltd filed Critical Komatsu Mfg Co Ltd
Publication of ITTO20040202A1 publication Critical patent/ITTO20040202A1/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B13/0406Valve members; Fluid interconnections therefor for rotary valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422Fluid 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • G05G5/065Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only using a spring-loaded ball
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86638Rotary valve
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86638Rotary valve
    • Y10T137/86646Plug type
    • Y10T137/86654For plural lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)
ITTO20040202 2003-03-28 2004-03-25 Valvola pilota rotativa ITTO20040202A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003090577A JP4159914B2 (ja) 2003-03-28 2003-03-28 ロータリ型パイロットバルブ

Publications (1)

Publication Number Publication Date
ITTO20040202A1 true ITTO20040202A1 (it) 2004-06-25

Family

ID=32985289

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO20040202 ITTO20040202A1 (it) 2003-03-28 2004-03-25 Valvola pilota rotativa

Country Status (3)

Country Link
US (1) US7578313B2 (it)
JP (1) JP4159914B2 (it)
IT (1) ITTO20040202A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102817827B (zh) * 2012-02-06 2016-02-17 上海中欧汽车电器有限公司 换向阀及装设该换向阀的手动液压泵
KR101419182B1 (ko) * 2013-07-12 2014-07-11 현대다이모스(주) 수동변속기용 기어 변속 레버
EP3279530A4 (en) * 2015-04-02 2019-09-11 Science & Technology Development Fund HYDRAULIC SERVOVALVES WITH DIRECT CONTROL
DE102018203436A1 (de) 2018-03-07 2019-09-12 Deere & Company Hydraulische Steuerventileinheit
DE102020119607A1 (de) 2020-07-24 2022-01-27 Festo Se & Co. Kg Verteilermodul und Ventileinrichtung mit einem solchen Verteilermodul

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182459A (en) * 1937-01-08 1939-12-05 Vickers Inc Valve housing and rotor
GB804897A (en) * 1957-01-02 1958-11-26 Boulton Aircraft Ltd Improvements in or relating to hydraulic valves
US3774634A (en) * 1972-03-01 1973-11-27 R Bonney Rotary spool valve
US4143676A (en) * 1976-03-29 1979-03-13 Jozsef Ivony Hydraulic port control apparatus, e.g. for motor vehicle servo steering gear
JPS5666570A (en) 1979-10-30 1981-06-05 Nobuyuki Sugimura Directional control valve with variable throttle
US5301922A (en) * 1990-10-05 1994-04-12 Yamaha Hatsudoki Kabushiki Kaisha Change-over valve means for a hydraulic clutch of the marine propulsion unit

Also Published As

Publication number Publication date
US7578313B2 (en) 2009-08-25
JP4159914B2 (ja) 2008-10-01
JP2004293757A (ja) 2004-10-21
US20040187937A1 (en) 2004-09-30

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