BR112012023884A2 - válvula hidráulica com limitador de pressão - Google Patents

válvula hidráulica com limitador de pressão

Info

Publication number
BR112012023884A2
BR112012023884A2 BR112012023884A BR112012023884A BR112012023884A2 BR 112012023884 A2 BR112012023884 A2 BR 112012023884A2 BR 112012023884 A BR112012023884 A BR 112012023884A BR 112012023884 A BR112012023884 A BR 112012023884A BR 112012023884 A2 BR112012023884 A2 BR 112012023884A2
Authority
BR
Brazil
Prior art keywords
pressure
valve
section
spool
work section
Prior art date
Application number
BR112012023884A
Other languages
English (en)
Portuguese (pt)
Inventor
Gregory Coolidge
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of BR112012023884A2 publication Critical patent/BR112012023884A2/pt

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
    • F15B13/026—Pressure compensating valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • 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
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/3054—In combination with a pressure compensating valve the pressure compensating valve is arranged between directional control valve and output member
    • 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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40569—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged downstream of the flow control means
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • 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
    • F15B2211/65—Methods of control of the load sensing pressure
    • F15B2211/653—Methods of control of the load sensing pressure the load sensing pressure being higher than the load pressure
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
  • Multiple-Way Valves (AREA)
BR112012023884A 2010-03-17 2010-11-22 válvula hidráulica com limitador de pressão BR112012023884A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31462010P 2010-03-17 2010-03-17
PCT/US2010/057555 WO2011115647A1 (en) 2010-03-17 2010-11-22 Hydraulic valve with pressure limiter

Publications (1)

Publication Number Publication Date
BR112012023884A2 true BR112012023884A2 (pt) 2016-08-02

Family

ID=43587263

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012023884A BR112012023884A2 (pt) 2010-03-17 2010-11-22 válvula hidráulica com limitador de pressão

Country Status (8)

Country Link
US (1) US9027589B2 (enExample)
EP (2) EP3150862A1 (enExample)
JP (1) JP5750154B2 (enExample)
KR (1) KR101852529B1 (enExample)
CN (1) CN103109095A (enExample)
BR (1) BR112012023884A2 (enExample)
CA (1) CA2793440C (enExample)
WO (1) WO2011115647A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2494902B (en) * 2011-09-23 2019-03-13 Parker Hannifin Mfg Uk Limited A valve with integrated pressure compensator
CA2899867A1 (en) 2013-01-31 2014-08-07 Parker-Hannifin Corporation Pressure limited flow priority boost
EP2951443B1 (en) 2013-01-31 2018-12-12 Parker Hannifin Corporation Direction control valve with metering notches on the spool for reduced flow in the open end position
DE102014003086A1 (de) * 2014-03-01 2015-09-03 Hydac Filtertechnik Gmbh Ventilvorrichtung
EP2918853B1 (en) 2014-03-11 2016-03-09 Bucher Hydraulics S.p.A. Hydraulic section for load sensing applications and multiple hydraulic distributor
WO2015168437A1 (en) * 2014-04-30 2015-11-05 Parker-Hannifin Corporation Compact hydraulic sectional control valve with internal load transition check valve
CN105378349A (zh) * 2014-05-29 2016-03-02 株式会社小松制作所 液压驱动装置
EP2980416B1 (en) 2014-07-31 2019-06-05 Bucher Hydraulics S.p.A. Hydraulic section for load sensing applications and multiple hydraulic distributor
US10408347B2 (en) * 2017-10-20 2019-09-10 Ford Global Technologies, Llc Transmission park control system
US10697541B2 (en) 2017-10-20 2020-06-30 Ford Global Technologies, Llc Transmission park control system
US11459220B2 (en) 2017-11-30 2022-10-04 Danfoss Power Solution II Technology A/S Hydraulic system with load sense and methods thereof
CN107906231B (zh) * 2017-12-21 2019-07-02 山东禧龙石油装备有限公司 一种插装式单向调速阀
US10801525B2 (en) 2018-01-12 2020-10-13 Eaton Intelligent Power Limited Hydraulic valve with pressure limiter function
CN109114051B (zh) * 2018-08-28 2019-12-31 武汉船用机械有限责任公司 变负载工装
US10858806B2 (en) * 2019-03-12 2020-12-08 Caterpillar Inc. Modular manifold having at least two control modules for controlling operation of at least two hydraulic actuators of an earthmoving machine
CN110395239B (zh) * 2019-08-27 2024-11-22 安徽尚科院光电子科技有限公司 双位三通双向阀和汽车
JP7139297B2 (ja) * 2019-09-25 2022-09-20 日立建機株式会社 流量制御弁
US12442396B2 (en) * 2020-01-27 2025-10-14 Parker-Hannifin Corporation Valve with an adjustable flow sharing pressure compensator
NO348132B1 (no) * 2020-03-13 2024-09-02 Obs Tech As Undervannsbasert dybdekompenserbart akkumulatorsystem
US12392361B1 (en) 2024-04-29 2025-08-19 Hamilton Sunstrand Corporation Cross-bleed safety mechanism for a linear hydraulic actuator

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689575B1 (fr) * 1992-04-06 1994-07-08 Rexroth Sigma Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs.
DE4312257A1 (de) * 1993-04-15 1994-10-20 Bosch Gmbh Robert Hydraulische Steuereinrichtung
DE4417962A1 (de) * 1994-05-21 1995-11-23 Rexroth Mannesmann Gmbh Steueranordnung für wenigstens zwei hydraulische Verbraucher
US5791142A (en) 1997-03-27 1998-08-11 Husco International, Inc. Hydraulic control valve system with split pressure compensator
DE19831595B4 (de) * 1998-07-14 2007-02-01 Bosch Rexroth Aktiengesellschaft Hydraulische Schaltung
US6098403A (en) 1999-03-17 2000-08-08 Husco International, Inc. Hydraulic control valve system with pressure compensator
DE10219717B3 (de) * 2002-05-02 2004-02-05 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
US6895852B2 (en) 2003-05-02 2005-05-24 Husco International, Inc. Apparatus and method for providing reduced hydraulic flow to a plurality of actuatable devices in a pressure compensated hydraulic system
DE10325296A1 (de) 2003-06-04 2004-12-23 Bosch Rexroth Ag Hydraulische Steueranordnung
US7182097B2 (en) 2004-08-17 2007-02-27 Walvoil S.P.A. Anti-saturation directional control valve composed of two or more sections with pressure selector compensators
DE102006049584A1 (de) * 2006-03-13 2007-09-20 Robert Bosch Gmbh LUDV-Ventilanordnung
DE102006060326B4 (de) 2006-12-20 2008-11-27 Sauer-Danfoss Aps Hydraulische Ventilanordnung
US7854115B2 (en) 2008-04-25 2010-12-21 Husco International, Inc. Post-pressure compensated hydraulic control valve with load sense pressure limiting

Also Published As

Publication number Publication date
KR20130061134A (ko) 2013-06-10
EP3150862A1 (en) 2017-04-05
KR101852529B1 (ko) 2018-04-27
CA2793440C (en) 2018-02-06
WO2011115647A1 (en) 2011-09-22
JP2013522562A (ja) 2013-06-13
CN103109095A (zh) 2013-05-15
EP2547914A1 (en) 2013-01-23
US9027589B2 (en) 2015-05-12
EP2547914B1 (en) 2017-01-04
CA2793440A1 (en) 2011-09-22
US20130061955A1 (en) 2013-03-14
JP5750154B2 (ja) 2015-07-15

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2387 DE 04-10-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.