ATE87713T1 - Hydraulisches ventil. - Google Patents

Hydraulisches ventil.

Info

Publication number
ATE87713T1
ATE87713T1 AT88100002T AT88100002T ATE87713T1 AT E87713 T1 ATE87713 T1 AT E87713T1 AT 88100002 T AT88100002 T AT 88100002T AT 88100002 T AT88100002 T AT 88100002T AT E87713 T1 ATE87713 T1 AT E87713T1
Authority
AT
Austria
Prior art keywords
flow
valve
seat valve
pilot
main flow
Prior art date
Application number
AT88100002T
Other languages
English (en)
Inventor
Bo Andersson
Original Assignee
Bo Andersson
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20344644&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE87713(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bo Andersson filed Critical Bo Andersson
Application granted granted Critical
Publication of ATE87713T1 publication Critical patent/ATE87713T1/de

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3127—Floating position connecting the working ports and the return line
    • 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
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke
    • 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
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/35—Directional control combined with flow 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
    • F15B2211/30—Directional control
    • F15B2211/365—Directional control combined with flow control and 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
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • 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
    • Y10T137/87193—Pilot-actuated
    • 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
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers
AT88100002T 1981-09-28 1982-09-27 Hydraulisches ventil. ATE87713T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8105719A SE439342C (sv) 1981-09-28 1981-09-28 Ventilanordning för styrning av en linjär eller roterande hydraulmotor
EP19880100002 EP0270523B1 (de) 1981-09-28 1982-09-27 Hydraulisches Ventil

Publications (1)

Publication Number Publication Date
ATE87713T1 true ATE87713T1 (de) 1993-04-15

Family

ID=20344644

Family Applications (2)

Application Number Title Priority Date Filing Date
AT88100002T ATE87713T1 (de) 1981-09-28 1982-09-27 Hydraulisches ventil.
AT88104790T ATE85674T1 (de) 1981-09-28 1982-09-27 Hydraulisches ventil.

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT88104790T ATE85674T1 (de) 1981-09-28 1982-09-27 Hydraulisches ventil.

Country Status (10)

Country Link
US (2) US4535809A (de)
EP (3) EP0283053B1 (de)
JP (2) JPS58501781A (de)
AT (2) ATE87713T1 (de)
AU (1) AU556391B2 (de)
DE (2) DE3280434T2 (de)
DK (1) DK161850C (de)
FI (1) FI74782C (de)
SE (1) SE439342C (de)
WO (1) WO1983001095A1 (de)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
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US5331883A (en) * 1981-09-28 1994-07-26 Bo Andersson Hydraulic valve means
JPS61124702A (ja) * 1984-11-22 1986-06-12 Komatsu Ltd 油圧制御装置
LU85774A1 (fr) * 1985-02-13 1985-07-24 Hydrolux Sarl Hydraulischer steuerblock
US5253672A (en) * 1986-01-30 1993-10-19 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pressure control system
US5255705A (en) * 1986-01-30 1993-10-26 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pressure control system
EP0231876B1 (de) * 1986-01-30 1991-05-22 Kabushiki Kaisha Komatsu Seisakusho Hydraulikdruck-Steuerung
AU603907B2 (en) * 1987-06-30 1990-11-29 Hitachi Construction Machinery Co. Ltd. Hydraulic drive system
US4938022A (en) * 1987-10-05 1990-07-03 Hitachi Construction Machinery Co., Ltd. Flow control system for hydraulic motors
SE459271B (sv) * 1987-10-27 1989-06-19 Bahco Hydrauto Ab Tryckmediumventil
WO1989008213A1 (fr) * 1988-02-24 1989-09-08 Hitachi Construction Machinery Co., Ltd. Dispositif de soupape
WO1989009343A1 (en) * 1988-03-23 1989-10-05 Hitachi Construction Machinery Co., Ltd. Hydraulic driving unit
WO1989011041A1 (en) * 1988-05-10 1989-11-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive unit for construction machinery
IN170798B (de) * 1988-05-12 1992-05-23 Hitachi Construction Machinery
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SE462349B (sv) * 1988-11-15 1990-06-11 Bahco Hydrauto Ab Tryckmediumventil
JPH0786362B2 (ja) * 1988-12-17 1995-09-20 新キャタピラー三菱株式会社 負荷圧力補償型ロジック弁の制御回路
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US5137254A (en) * 1991-09-03 1992-08-11 Caterpillar Inc. Pressure compensated flow amplifying poppet valve
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JP3323349B2 (ja) † 1994-12-27 2002-09-09 エスエムシー株式会社 切換弁集合体
GB2335511B (en) * 1998-03-20 2002-01-30 Aeroquip Vickers Ltd Hydraulic control means
US6293181B1 (en) 1998-04-16 2001-09-25 Caterpillar Inc. Control system providing a float condition for a hydraulic cylinder
US6089528A (en) * 1998-12-18 2000-07-18 Caterpillar Inc. Poppet valve control with sealing element providing improved load drift control
US6691604B1 (en) 1999-09-28 2004-02-17 Caterpillar Inc Hydraulic system with an actuator having independent meter-in meter-out control
JP3390413B2 (ja) 2000-08-07 2003-03-24 株式会社キャットアイ ヘッドランプ
JP3390412B2 (ja) 2000-08-07 2003-03-24 株式会社キャットアイ ヘッドランプ
US6502500B2 (en) 2001-04-30 2003-01-07 Caterpillar Inc Hydraulic system for a work machine
DE10124154B4 (de) * 2001-05-17 2012-05-24 Bosch Rexroth Aktiengesellschaft Stromregelventil
US6598849B2 (en) * 2001-12-21 2003-07-29 Cooper Cameron Corporation Pressure compensation/control for fail-safe gate valve
JP4230806B2 (ja) * 2003-04-14 2009-02-25 株式会社不二工機 電動弁
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7204084B2 (en) * 2004-10-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7441404B2 (en) 2004-11-30 2008-10-28 Caterpillar Inc. Configurable hydraulic control system
US7243493B2 (en) * 2005-04-29 2007-07-17 Caterpillar Inc Valve gradually communicating a pressure signal
US7204185B2 (en) * 2005-04-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
US7302797B2 (en) * 2005-05-31 2007-12-04 Caterpillar Inc. Hydraulic system having a post-pressure compensator
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7251935B2 (en) * 2005-08-31 2007-08-07 Caterpillar Inc Independent metering valve control system and method
US7210396B2 (en) * 2005-08-31 2007-05-01 Caterpillar Inc Valve having a hysteretic filtered actuation command
US20100043418A1 (en) * 2005-09-30 2010-02-25 Caterpillar Inc. Hydraulic system and method for control
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
US8418989B2 (en) * 2006-12-21 2013-04-16 M-I L.L.C. Pressure-balanced choke system
US8479504B2 (en) * 2007-05-31 2013-07-09 Caterpillar Inc. Hydraulic system having an external pressure compensator
US7621211B2 (en) * 2007-05-31 2009-11-24 Caterpillar Inc. Force feedback poppet valve having an integrated pressure compensator
US20080295681A1 (en) * 2007-05-31 2008-12-04 Caterpillar Inc. Hydraulic system having an external pressure compensator
US8256739B2 (en) * 2008-12-22 2012-09-04 Husco International, Inc. Poppet valve operated by an electrohydraulic poppet pilot valve
US8631650B2 (en) 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
DE102012007108A1 (de) 2012-04-07 2013-10-10 Robert Bosch Gmbh Valvistoranordnung
DE102013004437A1 (de) * 2013-02-20 2014-08-21 Robert Bosch Gmbh Hydraulisches Sicherheits- und Bewegungsregelsystem
US20140358303A1 (en) * 2013-06-03 2014-12-04 Tescom Corporation Method and Apparatus for Stabilizing Pressure in an Intelligent Regulator Assembly
CN109488652B (zh) * 2018-12-21 2020-06-02 潍柴动力股份有限公司 一种阀芯闭环控制结构及液压控制阀

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Also Published As

Publication number Publication date
DE3280434D1 (de) 1993-05-06
EP0283053A3 (en) 1989-11-02
EP0079870B1 (de) 1988-10-26
FI74782B (fi) 1987-11-30
EP0283053A2 (de) 1988-09-21
EP0270523A2 (de) 1988-06-08
FI74782C (fi) 1988-03-10
SE439342C (sv) 1996-10-31
SE8105719L (sv) 1983-03-29
AU8993782A (en) 1983-04-08
EP0079870A3 (en) 1984-03-28
US4535809A (en) 1985-08-20
DK241383D0 (da) 1983-05-27
DE3280429T2 (de) 1993-06-03
DK241383A (da) 1983-05-27
SE439342B (sv) 1985-06-10
DK161850C (da) 1992-01-20
EP0283053B1 (de) 1993-02-10
EP0079870A2 (de) 1983-05-25
FI831901A0 (fi) 1983-05-27
DE3280429D1 (de) 1993-03-25
JPH0428922B2 (de) 1992-05-15
ATE85674T1 (de) 1993-02-15
EP0270523B1 (de) 1993-03-31
AU556391B2 (en) 1986-10-30
US4662601A (en) 1987-05-05
DK161850B (da) 1991-08-19
WO1983001095A1 (en) 1983-03-31
FI831901L (fi) 1983-05-27
DE3280434T2 (de) 1993-07-08
EP0270523A3 (en) 1989-10-25
JPS58501781A (ja) 1983-10-20
JPH0231003A (ja) 1990-02-01

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties