DE69426729T2 - Dämpfer für ein hydraulisches pilotventil - Google Patents

Dämpfer für ein hydraulisches pilotventil

Info

Publication number
DE69426729T2
DE69426729T2 DE69426729T DE69426729T DE69426729T2 DE 69426729 T2 DE69426729 T2 DE 69426729T2 DE 69426729 T DE69426729 T DE 69426729T DE 69426729 T DE69426729 T DE 69426729T DE 69426729 T2 DE69426729 T2 DE 69426729T2
Authority
DE
Germany
Prior art keywords
damper
pilot valve
hydraulic pilot
hydraulic
valve
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.)
Expired - Fee Related
Application number
DE69426729T
Other languages
English (en)
Other versions
DE69426729D1 (de
Inventor
Masayoshi Mototani
Seita Hayashi
Jun Maruyama
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69426729D1 publication Critical patent/DE69426729D1/de
Publication of DE69426729T2 publication Critical patent/DE69426729T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F16K31/44—Mechanical actuating means
    • 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
    • Y10T137/87056—With selective motion for plural valve actuator
    • Y10T137/87064—Oppositely movable cam surfaces
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Servomotors (AREA)
DE69426729T 1993-09-28 1994-09-28 Dämpfer für ein hydraulisches pilotventil Expired - Fee Related DE69426729T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24105893A JP3503756B2 (ja) 1993-09-28 1993-09-28 油圧パイロット弁のダンパ装置
PCT/JP1994/001606 WO1995009306A1 (fr) 1993-09-28 1994-09-28 Amortisseur pour servo-soupape hydraulique

Publications (2)

Publication Number Publication Date
DE69426729D1 DE69426729D1 (de) 2001-03-29
DE69426729T2 true DE69426729T2 (de) 2001-06-07

Family

ID=17068686

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426729T Expired - Fee Related DE69426729T2 (de) 1993-09-28 1994-09-28 Dämpfer für ein hydraulisches pilotventil

Country Status (6)

Country Link
US (2) US5845680A (de)
EP (1) EP0753668B1 (de)
JP (1) JP3503756B2 (de)
KR (1) KR0177290B1 (de)
DE (1) DE69426729T2 (de)
WO (1) WO1995009306A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3503756B2 (ja) * 1993-09-28 2004-03-08 株式会社小松製作所 油圧パイロット弁のダンパ装置
WO2005033823A1 (ja) * 2003-09-30 2005-04-14 Komatsu Ltd. 操作レバー装置
FR2938309B1 (fr) * 2008-11-12 2010-10-29 Bosch Rexroth Dsi Sas Dispositif de regulation de pression, notamment du type telecommande hydraulique

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111551Y2 (de) * 1980-09-30 1986-04-11
JPS5761247A (en) * 1980-09-30 1982-04-13 Toshiba Corp Yoke assembly for image pickup tube
JPS58176169A (ja) * 1982-04-08 1983-10-15 樋　幸四郎 廃棄物焼却灰および産業廃棄物クリンカ−の焼成溶融結合による煉瓦材料とその製法
JPS58176169U (ja) * 1982-05-19 1983-11-25 日立建機株式会社 手動切換弁の操作装置
JPH07103942B2 (ja) * 1988-03-31 1995-11-08 株式会社小松製作所 油圧パイロットバルブ装置
JPH03105787A (ja) * 1989-09-19 1991-05-02 Nec Ic Microcomput Syst Ltd 半導体集積回路
JPH03249414A (ja) * 1990-02-27 1991-11-07 Komatsu Ltd 油圧パイロット弁
JPH0724485B2 (ja) * 1990-05-30 1995-03-22 財団法人北海道農業開発公社 籾殻投入心土改良耕工法並びに該工法用作業機
JPH0453853A (ja) * 1990-06-22 1992-02-21 Mitsui Toatsu Chem Inc 新規な熱可塑性樹脂組成物
WO1994009278A1 (en) * 1992-10-09 1994-04-28 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pilot valve
JP3503756B2 (ja) * 1993-09-28 2004-03-08 株式会社小松製作所 油圧パイロット弁のダンパ装置

Also Published As

Publication number Publication date
US5845680A (en) 1998-12-08
WO1995009306A1 (fr) 1995-04-06
EP0753668A1 (de) 1997-01-15
US5983942A (en) 1999-11-16
EP0753668B1 (de) 2001-02-21
JP3503756B2 (ja) 2004-03-08
JPH0791407A (ja) 1995-04-04
KR0177290B1 (ko) 1999-04-15
KR960705144A (ko) 1996-10-09
DE69426729D1 (de) 2001-03-29
EP0753668A4 (de) 1998-02-11

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee