BR9609243A - Conjunto de válvula hidráulica e sistema hidráulico para alimentar fluido hidráulico a partir de uma bomba - Google Patents

Conjunto de válvula hidráulica e sistema hidráulico para alimentar fluido hidráulico a partir de uma bomba

Info

Publication number
BR9609243A
BR9609243A BR9609243A BR9609243A BR9609243A BR 9609243 A BR9609243 A BR 9609243A BR 9609243 A BR9609243 A BR 9609243A BR 9609243 A BR9609243 A BR 9609243A BR 9609243 A BR9609243 A BR 9609243A
Authority
BR
Brazil
Prior art keywords
hydraulic
pump
valve assembly
feeding
fluid
Prior art date
Application number
BR9609243A
Other languages
English (en)
Inventor
Raud A Wilke
Eric P Hamkins
Michael C Layne
Leif Pedersen
Lynn A Russell
Original Assignee
Husco Int Inc
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 Husco Int Inc filed Critical Husco Int Inc
Publication of BR9609243A publication Critical patent/BR9609243A/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/168—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load with an isolator valve (duplicating valve), i.e. at least one load sense [LS] pressure is derived from a work port load sense pressure but is not a work port pressure itself
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
    • 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
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/25—Pressure control functions
    • F15B2211/251—High 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
    • F15B2211/30—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
    • F15B2211/30555—Inlet and outlet of the pressure compensating valve being connected to the 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single 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
    • F15B2211/30—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6058—Load sensing circuits with isolator 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
BR9609243A 1995-05-26 1996-04-02 Conjunto de válvula hidráulica e sistema hidráulico para alimentar fluido hidráulico a partir de uma bomba BR9609243A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/451,636 US5579642A (en) 1995-05-26 1995-05-26 Pressure compensating hydraulic control system
PCT/US1996/004518 WO1996037708A1 (en) 1995-05-26 1996-04-02 Pressure compensating hydraulic control system

Publications (1)

Publication Number Publication Date
BR9609243A true BR9609243A (pt) 1999-05-11

Family

ID=23793051

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9609243A BR9609243A (pt) 1995-05-26 1996-04-02 Conjunto de válvula hidráulica e sistema hidráulico para alimentar fluido hidráulico a partir de uma bomba

Country Status (8)

Country Link
US (1) US5579642A (pt)
EP (1) EP0828943B1 (pt)
JP (1) JP3150980B2 (pt)
KR (1) KR100233783B1 (pt)
BR (1) BR9609243A (pt)
CA (1) CA2219207C (pt)
DE (1) DE69609964T2 (pt)
WO (1) WO1996037708A1 (pt)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6026730A (en) * 1993-08-13 2000-02-22 Komatsu Ltd. Flow control apparatus in a hydraulic circuit
US5715865A (en) * 1996-11-13 1998-02-10 Husco International, Inc. Pressure compensating hydraulic control valve system
FR2756349B1 (fr) * 1996-11-26 1999-01-22 Mannesmann Rexroth Sa Distributeur hydraulique avec clapet antiretour
US5791142A (en) * 1997-03-27 1998-08-11 Husco International, Inc. Hydraulic control valve system with split pressure compensator
US5878647A (en) 1997-08-11 1999-03-09 Husco International Inc. Pilot solenoid control valve and hydraulic control system using same
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
US5950429A (en) * 1997-12-17 1999-09-14 Husco International, Inc. Hydraulic control valve system with load sensing priority
US6033188A (en) * 1998-02-27 2000-03-07 Sauer Inc. Means and method for varying margin pressure as a function of pump displacement in a pump with load sensing control
US6408622B1 (en) * 1998-12-28 2002-06-25 Hitachi Construction Machinery Co., Ltd. Hydraulic drive device
US6098403A (en) * 1999-03-17 2000-08-08 Husco International, Inc. Hydraulic control valve system with pressure compensator
US6149124A (en) * 1999-05-03 2000-11-21 Husco International, Inc. Pilot solenoid control valve with pressure responsive diaphragm
US6330798B1 (en) 2000-04-12 2001-12-18 Husco International, Inc. Hydraulic system with shadow poppet valve
JP2001323902A (ja) * 2000-05-16 2001-11-22 Hitachi Constr Mach Co Ltd 油圧駆動装置
US6318079B1 (en) 2000-08-08 2001-11-20 Husco International, Inc. Hydraulic control valve system with pressure compensated flow control
US6398182B1 (en) 2000-08-31 2002-06-04 Husco International, Inc. Pilot solenoid control valve with an emergency operator
US6457487B1 (en) 2001-05-02 2002-10-01 Husco International, Inc. Hydraulic system with three electrohydraulic valves for controlling fluid flow to a load
US6467264B1 (en) * 2001-05-02 2002-10-22 Husco International, Inc. Hydraulic circuit with a return line metering valve and method of operation
US6647718B2 (en) 2001-10-04 2003-11-18 Husco International, Inc. Electronically controlled hydraulic system for lowering a boom in an emergency
JP4128482B2 (ja) * 2002-04-30 2008-07-30 東芝機械株式会社 油圧制御システム
US7089733B1 (en) 2005-02-28 2006-08-15 Husco International, Inc. Hydraulic control valve system with electronic load sense control
CN100510489C (zh) * 2005-03-10 2009-07-08 株式会社Taiyo 切换阀装置及液压缸装置
US7415822B1 (en) * 2005-07-21 2008-08-26 Deere & Company Load sense boost device
KR100641396B1 (ko) * 2005-09-15 2006-11-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압제어시스템
US7415989B2 (en) * 2005-12-23 2008-08-26 Husco International, Inc. Spool activated lock-out valve for a hydraulic actuator load check valve
JP2007263142A (ja) * 2006-03-27 2007-10-11 Toyota Industries Corp 油圧制御装置
DK1860327T3 (da) * 2006-05-26 2010-04-19 Hydrocontrol S P A Trykkompenserende retningsbestemt styreventil
US7487707B2 (en) * 2006-09-27 2009-02-10 Husco International, Inc. Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve
DE102006060326B4 (de) * 2006-12-20 2008-11-27 Sauer-Danfoss Aps Hydraulische Ventilanordnung
US7753078B2 (en) 2007-04-19 2010-07-13 Husco International Inc. Hybrid hydraulic joystick with an integral pressure sensor and an outlet port
US7753077B2 (en) 2007-04-19 2010-07-13 Husco International Inc. Hybrid hydraulic joystick for electrically operating valves
US7818966B2 (en) 2008-01-09 2010-10-26 Husco International, Inc. Hydraulic control valve system with isolated pressure compensation
US7854115B2 (en) * 2008-04-25 2010-12-21 Husco International, Inc. Post-pressure compensated hydraulic control valve with load sense pressure limiting
GB0908982D0 (en) * 2009-05-26 2009-07-01 David Brown Hydraulics Ltd Controlled hydraulic systems
US8430016B2 (en) * 2009-06-09 2013-04-30 Husco International, Inc. Control valve assembly with a workport pressure regulating device
SE534002C2 (sv) * 2009-06-24 2011-03-29 Nordhydraulic Ab Förfarande och anordning för styrning av ett hydraliskt system
IT1395462B1 (it) 2009-09-03 2012-09-21 Brevini Fluid Power S P A Valvola di distribuzione
US8215107B2 (en) 2010-10-08 2012-07-10 Husco International, Inc. Flow summation system for controlling a variable displacement hydraulic pump
GB2503158B (en) 2011-03-15 2017-08-30 Husco Int Inc System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
US9003786B2 (en) * 2011-05-10 2015-04-14 Caterpillar Inc. Pressure limiting in hydraulic systems
WO2013049573A2 (en) * 2011-09-30 2013-04-04 Eaton Corporation Pre- and post - compensational valve arrangement
US8899034B2 (en) 2011-12-22 2014-12-02 Husco International, Inc. Hydraulic system with fluid flow summation control of a variable displacement pump and priority allocation of fluid flow
GB2501486A (en) * 2012-04-24 2013-10-30 Jc Bamford Excavators Ltd Work machine having a hydraulic system comprising variable orifice ratios
US9145905B2 (en) 2013-03-15 2015-09-29 Oshkosh Corporation Independent load sensing for a vehicle hydraulic system
CN104564873B (zh) * 2013-10-24 2018-12-21 卡特彼勒（青州）有限公司 单负载液压***及机器
CN103671335B (zh) * 2013-12-19 2015-12-02 杭叉集团股份有限公司 负载敏感电比例多路阀
US10024445B2 (en) * 2014-06-25 2018-07-17 Parker-Hannifin Corporation Reverse flow check valve in hydraulic valve with series circuit
US10522955B2 (en) 2014-09-10 2019-12-31 Micro Motion, Inc. Enhanced safety serial bus connector
DE102014114210A1 (de) * 2014-09-30 2016-03-31 Claas Tractor Sas Hydraulisches Steuersystem
US9752597B2 (en) 2015-09-15 2017-09-05 Husco International, Inc. Metered fluid source connection to downstream functions in PCLS systems
US11376666B2 (en) * 2017-10-27 2022-07-05 Tri Tool Inc. Pipe facing machine system
CN107989840B (zh) * 2017-11-23 2020-08-04 台州市路桥区嘉伟鞋帽厂 一种阻尼控制阀
US11261582B1 (en) 2021-01-29 2022-03-01 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle using flow control valves
US11313388B1 (en) 2021-01-29 2022-04-26 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle
US11143211B1 (en) 2021-01-29 2021-10-12 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle
US11530524B2 (en) 2021-01-29 2022-12-20 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
DE3841507C1 (pt) * 1988-01-22 1989-06-29 Danfoss A/S, Nordborg, Dk
US4986071A (en) * 1989-06-05 1991-01-22 Komatsu Dresser Company Fast response load sense control system
KR950004530B1 (ko) * 1989-08-16 1995-05-02 히다찌 겐끼 가부시기가이샤 밸브장치 및 유압회로장치
JPH0758082B2 (ja) * 1990-06-22 1995-06-21 株式会社ゼクセル 油圧制御弁装置
JP3061858B2 (ja) * 1990-07-05 2000-07-10 日立建機株式会社 油圧駆動装置及び弁装置
JPH0473403A (ja) * 1990-07-11 1992-03-09 Nabco Ltd 油圧回路
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
LU87794A1 (fr) * 1990-08-31 1991-02-18 Hydrolux Sarl Proportional-wegeventil in sitzbauweise
JP3124094B2 (ja) * 1991-12-25 2001-01-15 カヤバ工業株式会社 複数アクチュエータの制御装置
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.
FR2694606B1 (fr) * 1992-08-04 1994-11-04 Bennes Marrel Ensemble de commande d'une pluralité de récepteurs hydrauliques.

Also Published As

Publication number Publication date
EP0828943A1 (en) 1998-03-18
DE69609964T2 (de) 2001-01-25
CA2219207C (en) 2001-03-27
EP0828943B1 (en) 2000-08-23
KR100233783B1 (ko) 1999-12-01
JP3150980B2 (ja) 2001-03-26
US5579642A (en) 1996-12-03
DE69609964D1 (de) 2000-09-28
JPH10508932A (ja) 1998-09-02
KR19990022007A (ko) 1999-03-25
WO1996037708A1 (en) 1996-11-28
CA2219207A1 (en) 1996-11-28

Similar Documents

Publication Publication Date Title
BR9609243A (pt) Conjunto de válvula hidráulica e sistema hidráulico para alimentar fluido hidráulico a partir de uma bomba
BR9604174A (pt) Método e sistema para controlar um acoplamento de fluido viscoso
BR9802730B1 (pt) método para controlar o fluxo de fluido em uma linha de tubulação dentro de um poço subterráneo.
BR9606592A (pt) Sistema de valvula de circulação axial para um compressor linear
DE69601810T2 (de) Fluidverdrängeranlage mit Auslassventilvorrichtung
BR9505324A (pt) Válvula acionada a fluido
EP0685037A4 (en) PERISTALTIC PUMP AND VALVE ARRANGEMENT FOR FLUID TREATMENT SYSTEMS.
BR9506325A (pt) Sistema de fornecimento de pressão de fluido para veículo
KR960014648A (ko) 일정 유동량으로 유체를 분배하는 펌핑 시스템
BR9300958A (pt) Sistema para distribuicao de lubrificante fluido
BR9710148A (pt) Conjunto de válvula para controlar o fluxo de fluídos
BR9804847A (pt) V lvula tipo borboleta para a regulagem de um fluxo de fluido
MX9205787A (es) Sistema de inyector de combustible de unidad, accionado hidraulicamente y controlado electronicamente, que tiene control variable de la presion de fluido accionador
IT1299517B1 (it) Sistema di cacciata a pressione per vasi sanitari
BR9400117A (pt) Membro atuador de válvula,dispositivo e sistema para suprir água,dispositivo para reter fluido,sistema para irrigação de água e sistema para ministrar água
ITMI922148A0 (it) Sistema di controllo di un fluido elettroidraulico
BR9104640A (pt) Sistema de controle de pressao de descarga de fluido
BR9403198A (pt) Válvula para controlar a passagem de fluido através de uma linha de fluxo
BR9601016A (pt) Válvula para regular o fluxo de fluído hidráulico
BR9303230A (pt) Dispositivo para alimentar com fluido polifasico um conjunto de bombeamento
BR9604883A (pt) Sistema para suprimento de fluido
BR9600731A (pt) Válvula para controle de fluxo de fluido hidráulico
ITMI931218A0 (it) Valvola di controllo di flusso di fluido
BR9503347A (pt) Válvula de distribuiçao de fluido atuada por força externa e processo para proporcionar um sistema de distribuiçao de fluido
AR019028A2 (es) Metodo para regular la presion en un sistema regulador de presion de fluido

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 8A,9A,10A,11A,12A,13A,14A E 15A ANUIDADE.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 8A, 9A, 10A, 11A, 12A, 13A, 14A E 15A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.