BE707322A - - Google Patents

Info

Publication number
BE707322A
BE707322A BE707322DA BE707322A BE 707322 A BE707322 A BE 707322A BE 707322D A BE707322D A BE 707322DA BE 707322 A BE707322 A BE 707322A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE707322A publication Critical patent/BE707322A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • 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
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165Servomotor 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
    • 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
    • F15B13/0402Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • F15B13/0416Fluid 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
    • 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
    • F15B13/0416Fluid 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
    • F15B13/0417Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25Pressure control functions
    • F15B2211/251High pressure control
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3116Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3144Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/321Directional control characterised by the type of actuation mechanically
    • F15B2211/324Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/327Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5159Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a return line
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/52Pressure control characterised by the type of actuation
    • F15B2211/528Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/57Control of a differential pressure
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • F15B2211/6051Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • Y10T137/87169Supply and exhaust
    • Y10T137/87177With bypass
    • Y10T137/87185Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Sink And Installation For Waste Water (AREA)
BE707322D 1966-12-13 1967-11-30 BE707322A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1779566A CH444601A (de) 1966-12-13 1966-12-13 Steuervorrichtung für hydraulisch betriebene Einrichtungen

Publications (1)

Publication Number Publication Date
BE707322A true BE707322A (da) 1968-04-01

Family

ID=4428152

Family Applications (1)

Application Number Title Priority Date Filing Date
BE707322D BE707322A (da) 1966-12-13 1967-11-30

Country Status (14)

Country Link
US (1) US3488953A (da)
JP (3) JPS5464274A (da)
AT (1) AT281519B (da)
BE (1) BE707322A (da)
CH (1) CH444601A (da)
DE (2) DE1650312B1 (da)
DK (1) DK137346B (da)
ES (1) ES348573A1 (da)
FI (1) FI53491B (da)
GB (1) GB1218020A (da)
LU (1) LU54974A1 (da)
NL (1) NL152336B (da)
NO (1) NO131998C (da)
SE (1) SE332119B (da)

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CH513340A (de) * 1970-10-28 1971-09-30 Beringer Hydraulik Gmbh Steuervorrichtung für hydraulisch betriebene Einrichtungen
CH513341A (de) * 1970-10-28 1971-09-30 Beringer Hydraulik Gmbh Steuervorrichtung für hydraulisch betriebene Einrichtungen
US3693350A (en) * 1971-01-11 1972-09-26 Commercial Shearing Hydraulic control circuits and apparatus
US3718159A (en) * 1971-01-20 1973-02-27 Hydraulic Industries Control valve
JPS5438720B1 (da) * 1971-05-11 1979-11-22
US3841096A (en) * 1971-06-29 1974-10-15 H Metz Control and regulator device for a load-independent regulated hydraulic system
NL169628C (nl) * 1971-06-29 1982-08-02 Ind En Handelmaatschappij Kopp Regelinrichting voor het lastonafhankelijk besturen van hydraulische aandrijfapparaten.
JPS4828884A (da) * 1971-08-19 1973-04-17
GB1417606A (en) * 1972-02-24 1975-12-10 Daikin Ind Ltd Fluid controlling apparatus
US3827453A (en) * 1972-05-05 1974-08-06 Parker Hannifin Corp Directional control valve
DE2232566C2 (de) * 1972-07-03 1984-08-09 Garbe, Lahmeyer & Co Ag, 5100 Aachen Hydraulische Wegeventileinheit
US4178962A (en) * 1972-10-30 1979-12-18 Tomco, Inc. Control valve with flow control means
JPS4912216B1 (da) * 1973-03-05 1974-03-23
JPS5825913B2 (ja) * 1973-05-04 1983-05-30 マロツタ サイエンテイフイツク コントロ−ルズ インコ−ポレ−テツド シリンダ−ピストンクドウキヨウ シユツリヨクセイギヨソウチ
GB1452609A (en) * 1973-05-15 1976-10-13 Sperry Rand Ltd Hydraulic systems
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DE2420242C2 (de) * 1974-04-26 1982-12-23 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Steuerschiebervorrichtung
FR2273178B1 (da) * 1974-05-31 1978-03-24 Bennes Marrel
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US3971216A (en) * 1974-06-19 1976-07-27 The Scott & Fetzer Company Load responsive system with synthetic signal
DE2435569C2 (de) * 1974-07-24 1985-06-27 Alfred Teves Gmbh, 6000 Frankfurt Elektromagnetisch betätigbares 3/2-Wegeventil
DE2500096C3 (de) * 1975-01-03 1984-08-02 Sauer Getriebe KG, 2350 Neumünster Hydraulische Schaltungseinrichtung zur Druckmittelwegesteuerung mit Konstantregelung des Druckmittelstroms für einen doppeltwirkenden Hydromotor
US3964505A (en) * 1975-02-10 1976-06-22 Sperry Rand Corporation Power transmission
US3980095A (en) * 1975-02-10 1976-09-14 Mcavoy Dennis J Power transmission
US4028889A (en) * 1975-03-19 1977-06-14 Tadeusz Budzich Load responsive fluid control system
DE2514624C3 (de) * 1975-04-03 1986-10-23 Danfoss A/S, Nordborg Steuereinrichtung für mindestens einen hydraulisch betriebenen doppeltwirkenden Verbraucher
USRE30828E (en) * 1975-11-26 1981-12-22 Load responsive valve with constant leakage device
US4153075A (en) * 1975-11-26 1979-05-08 Tadeusz Budzich Load responsive control valve
US4037621A (en) * 1975-11-26 1977-07-26 Tadeusz Budzich Load responsive control valve with constant leakage device
DE2642337C3 (de) * 1976-09-21 1984-01-19 Danfoss A/S, 6430 Nordborg Steuereinrichtung für einen doppeltwirkenden hydraulischen Motor
US4075842A (en) * 1976-10-05 1978-02-28 Tadeusz Budzich Load responsive fluid control system
JPS5289777A (en) * 1977-02-21 1977-07-27 Daikin Ind Ltd Fluid controlling device
DE2908018A1 (de) * 1979-03-01 1980-09-11 Barmag Barmer Maschf Hydraulische steuervorrichtung fuer lastunabhaengige durchflussregelung
DE2911891C2 (de) * 1979-03-26 1983-10-13 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zum Steuern eines Hydromotors
WO1981002641A1 (en) * 1980-03-12 1981-09-17 Caterpillar Tractor Co Pressure regulating hydraulic circuit and valve
US4337787A (en) * 1980-03-12 1982-07-06 Caterpillar Tractor Co. Pressure regulating hydraulic circuit and valve
US4345435A (en) * 1980-05-05 1982-08-24 Sperry Corporation Power transmission
JPS57120705A (en) * 1981-01-19 1982-07-27 Nippon Air Brake Co Ltd Composite valve
DE3119101A1 (de) * 1981-05-14 1982-12-02 Mannesmann Rexroth GmbH, 8770 Lohr "wegeventil"
DE3125143A1 (de) * 1981-06-26 1983-01-13 Mannesmann Rexroth GmbH, 8770 Lohr "druckminderventil"
DE3176924D1 (en) * 1981-08-20 1988-12-08 Caterpillar Inc Load responsive fluid control valve
DE3150252A1 (de) * 1981-12-18 1983-06-30 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen Schaltventil fuer hydraulische stellglieder
EP0097007A3 (en) * 1982-06-15 1984-08-01 William Richards Price A hydraulic control system
DE3302000A1 (de) * 1983-01-21 1984-07-26 Danfoss A/S, Nordborg Hydraulisches schieberventil
DE3415621C3 (de) * 1983-06-13 1997-07-17 Husco Int Inc Hydraulisches Mehrwege-Steuerventil
DE3328418A1 (de) * 1983-08-05 1985-02-21 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 8000 München Proportional-druckbegrenzungsventil mit magnetvorsteuerung
US4523431A (en) * 1984-02-16 1985-06-18 Caterpillar Tractor Co. Load responsive system
FR2562632B1 (fr) * 1984-04-18 1986-12-12 Bennes Marrel Distributeur hydraulique du type proportionnel, avec prise d'informations concernant les plus fortes pressions dans les circuits d'utilisation
JPS61201903A (ja) * 1985-03-06 1986-09-06 Nissan Motor Co Ltd 油圧アクチユエ−タの制御弁
DE3508340C2 (de) * 1985-03-08 1987-04-30 Mannesmann Rexroth GmbH, 8770 Lohr Mehrwegeventil
JPS62203395A (ja) * 1986-03-03 1987-09-08 セイコーエプソン株式会社 半導体装置
CH674102A5 (da) * 1986-05-20 1990-04-30 Mitsubishi Electric Corp
US5487403A (en) * 1987-01-29 1996-01-30 Mollo; James R. Variable discharge pump with low unload to secondary
US5515879A (en) * 1987-01-29 1996-05-14 Mollo; James R. Load sensed multi-purpose pressure control valve
US4798126A (en) * 1987-03-23 1989-01-17 Caterpillar Inc. Load responsive system using load responsive pump control of a bypass type
DE69015118T2 (de) * 1989-03-24 1995-05-04 Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo Ventilanordnung und hydraulisches antriebssystem.
DE4020476A1 (de) * 1990-06-27 1992-01-02 Rexroth Mannesmann Gmbh Hydraulische steuereinrichtung
JPH06193767A (ja) * 1992-12-22 1994-07-15 Komatsu Ltd 電磁比例減圧弁付操作弁
US5755097A (en) * 1993-07-29 1998-05-26 Techco Corporation Bootstrap power steering systems
DE102012010986A1 (de) 2012-06-02 2013-12-05 Thomas Magnete Gmbh Elektrohydraulisches Vorsteuerventil
EP2891806A1 (en) * 2014-01-03 2015-07-08 Danfoss Power Solutions Aps A hydraulic valve arrangement
FR3083271B1 (fr) * 2018-06-27 2020-09-04 Safran Landing Systems Procede de commande d'un distributeur a tiroir a trois positions
CN109488649B (zh) * 2018-10-22 2022-09-27 中国北方车辆研究所 一种用于车辆综合传动箱的反比例减压阀
CN111828421B (zh) * 2020-07-14 2022-12-09 江苏汇智高端工程机械创新中心有限公司 阀芯及平衡阀

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US2892312A (en) * 1958-01-27 1959-06-30 Deere & Co Demand compensated hydraulic system
US3162095A (en) * 1962-03-26 1964-12-22 New York Air Brake Co Fluid distribution system
US3266520A (en) * 1964-07-15 1966-08-16 Fluid Power Accessories Inc Hydraulic valves
US3699271A (en) * 1970-11-16 1972-10-17 Bell Telephone Labor Inc Speech processor using multiband controlled center clipping

Also Published As

Publication number Publication date
DE1776190A1 (de) 1972-03-02
AT281519B (de) 1970-05-25
JPS55103103A (da) 1980-08-07
DK137346B (da) 1978-02-20
NO131998B (da) 1975-05-26
NL152336B (nl) 1977-02-15
GB1218020A (en) 1971-01-06
ES348573A1 (es) 1969-03-16
JPS5632483B2 (da) 1981-07-28
DE1776190B2 (de) 1978-10-26
NL6716884A (da) 1968-06-14
CH444601A (de) 1967-09-30
JPS5459575A (en) 1979-05-14
JPS5632482B2 (da) 1981-07-28
NO131998C (da) 1975-09-03
US3488953A (en) 1970-01-13
FI53491B (da) 1978-01-31
JPS5464274A (en) 1979-05-23
LU54974A1 (da) 1968-02-16
SE332119B (da) 1971-01-25
DE1650312B1 (de) 1972-01-13

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Owner name: N.V. APPINGEDAMMER BRONSMOTORENFABRIEK

Effective date: 19861130

Owner name: N.V. INDUSTRIE- EN HANDELSMIJ KOPPEN & LETHEM

Effective date: 19861130