IT1057833B - Dispositivo di distribuzione per utilizzatori azionati idrraulicamente - Google Patents

Dispositivo di distribuzione per utilizzatori azionati idrraulicamente

Info

Publication number
IT1057833B
IT1057833B IT67767/76A IT6776776A IT1057833B IT 1057833 B IT1057833 B IT 1057833B IT 67767/76 A IT67767/76 A IT 67767/76A IT 6776776 A IT6776776 A IT 6776776A IT 1057833 B IT1057833 B IT 1057833B
Authority
IT
Italy
Prior art keywords
distribution device
hydraulically operated
users
operated users
hydraulically
Prior art date
Application number
IT67767/76A
Other languages
English (en)
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Application granted granted Critical
Publication of IT1057833B publication Critical patent/IT1057833B/it

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
    • F15B13/0416—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
    • 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
    • F15B2211/20538—Type of pump constant 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
    • F15B2211/20—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
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
    • F15B2211/305—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
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in 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
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/353—Flow control by regulating means in return line, i.e. meter-out 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source 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
    • F15B2211/60—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
    • F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using 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
    • F15B2211/60—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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • 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
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
IT67767/76A 1975-04-03 1976-04-02 Dispositivo di distribuzione per utilizzatori azionati idrraulicamente IT1057833B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2514624A DE2514624C3 (de) 1975-04-03 1975-04-03 Steuereinrichtung für mindestens einen hydraulisch betriebenen doppeltwirkenden Verbraucher

Publications (1)

Publication Number Publication Date
IT1057833B true IT1057833B (it) 1982-03-30

Family

ID=5943035

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67767/76A IT1057833B (it) 1975-04-03 1976-04-02 Dispositivo di distribuzione per utilizzatori azionati idrraulicamente

Country Status (15)

Country Link
US (1) US4051868A (it)
JP (1) JPS51123489A (it)
BE (1) BE840361A (it)
BR (1) BR7602004A (it)
CA (1) CA1050856A (it)
CH (1) CH613022A5 (it)
DD (1) DD124482A5 (it)
DE (1) DE2514624C3 (it)
DK (1) DK161776A (it)
ES (1) ES446653A1 (it)
FR (1) FR2306352A1 (it)
GB (1) GB1543408A (it)
IT (1) IT1057833B (it)
NL (1) NL7603230A (it)
SE (1) SE413111B (it)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199005A (en) * 1976-08-20 1980-04-22 Tadeusz Budzich Load responsive control valve
DE2656032B2 (de) * 1976-12-10 1979-09-13 Danfoss A/S, Nordborg (Daenemark) Hydraulisches System mit mindestens zwei Verbrauchern
DE2804045A1 (de) * 1978-01-31 1979-08-09 Bosch Gmbh Robert Steuervorrichtung fuer einen hydraulisch betriebenen verbraucher
US4222409A (en) * 1978-10-06 1980-09-16 Tadeusz Budzich Load responsive fluid control valve
DE3119101A1 (de) * 1981-05-14 1982-12-02 Mannesmann Rexroth GmbH, 8770 Lohr "wegeventil"
DE3302000A1 (de) * 1983-01-21 1984-07-26 Danfoss A/S, Nordborg Hydraulisches schieberventil
DE3428403A1 (de) * 1983-08-01 1985-04-11 Závody těžkého strojírenství Výzkumný ústav stavebních a zemních stroju, Brünn/Brno Zweistufige, druckkompensierte hydraulische steuereinrichtung fuer mindestens zwei verbraucher
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
CA1246425A (en) * 1984-02-13 1988-12-13 Raud A. Wilke Post-pressure-compensated unitary hydraulic valve
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
DE3420674C2 (de) * 1984-06-02 1986-10-02 Danfoss A/S, Nordborg Druckversorgungseinrichtung für ein Hydrauliksystem
DE3436246C2 (de) * 1984-10-03 1986-09-11 Danfoss A/S, Nordborg Steuereinrichtung für einen hydraulisch betriebenen Verbraucher
DE3444455A1 (de) * 1984-12-06 1986-06-12 Danfoss A/S, Nordborg Steuereinrichtung fuer einen hydraulisch betriebenen verbraucher
DE3447709C1 (de) * 1984-12-28 1986-04-30 Karl 7298 Loßburg Hehl Steuervorrichtung fuer den hydraulischen Kreislauf einer Kunststoff-Spritzgiessmaschine
DE3512509A1 (de) * 1985-04-06 1986-10-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Ventil, insbesondere fuer druckluftleistungsschalter
DE3515732A1 (de) * 1985-05-02 1986-11-06 Danfoss A/S, Nordborg Steuereinrichtung fuer mindestens einen hydraulisch betriebenen verbraucher
WO1987000589A1 (en) * 1985-07-15 1987-01-29 Cave Holdings Pty. Ltd. Hydraulic control unit
DE3525823A1 (de) * 1985-07-19 1987-01-29 Schmitz Soehne Gmbh Maschf Wegeabhaengige gleichlauf-drucksteuerung fuer zweiseitig arbeitende pressen, insbes. bundpressen
US4763691A (en) * 1985-09-03 1988-08-16 Barmag Barmer Maschinenfabrik Aktiengesellschaft Hydraulic control valve
DE3535771A1 (de) * 1985-10-07 1987-04-09 Linde Ag Hydrostatischer antrieb mit mehreren verbrauchern
DE3543231A1 (de) * 1985-12-06 1987-06-11 Sauer Getriebe Ag Proportionalwegeventil mit einzeldruckwaage
DE3611973C2 (de) * 1986-04-09 1994-04-14 Rexroth Mannesmann Gmbh Nebenschlußventil
DE3733679A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Steuerschaltung fuer einen mit einer verstellpumpe betriebenen hydraulischen kraftheber
DE3733677A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
DE3910895A1 (de) * 1987-10-05 1990-10-11 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
DE3841507C1 (it) * 1988-01-22 1989-06-29 Danfoss A/S, Nordborg, Dk
DE8801058U1 (de) * 1988-01-29 1988-03-10 Danfoss A/S, Nordborg Hydraulisches Steuerventil mit Druckfühleinrichtung
JP2683244B2 (ja) * 1988-04-14 1997-11-26 株式会社ゼクセル 制御弁
DE3839952C1 (en) * 1988-11-26 1990-04-26 Danfoss A/S, Nordborg, Dk Hydraulic spool valve
DE3901350A1 (de) * 1989-01-18 1990-07-19 Rexroth Mannesmann Gmbh Druckwaage fuer ein wegeventil
US5046310A (en) * 1989-04-04 1991-09-10 Mannesmann Rexroth Gmbh Load-independent control device for hydraulic load devices
JPH0473403A (ja) * 1990-07-11 1992-03-09 Nabco Ltd 油圧回路
DE4127342C2 (de) * 1991-08-19 1995-02-16 Danfoss As Hydraulisches System mit einer Pumpe
US5678469A (en) * 1995-11-17 1997-10-21 Case Corporation Creeper drive system
GB9710529D0 (en) * 1997-05-23 1997-07-16 Seddon Donald Hydraulic valves and systems
US6431957B1 (en) * 2000-01-25 2002-08-13 Parker-Hannifin Corporation Directional flow control valve with recirculation for chemical-mechanical polishing slurries
US7090475B2 (en) * 2000-02-17 2006-08-15 Mannesmann Rexroth Ag Hydraulic control circuit for a hydraulic engine with at least two speeds
FR2818331B1 (fr) * 2000-12-19 2003-03-14 Snecma Moteurs Servo-valve a memoire de position
DE10107532A1 (de) * 2001-02-17 2002-08-29 Mannesmann Rexroth Ag Wegeventil zur lastunabhängigen Steuerung eines hydraulischen Verbrauchers hinsichtlich Richtung und Geschwindigkeit
DE102005022160A1 (de) * 2005-05-13 2006-11-16 Daimlerchrysler Ag Ölpumpe mit integrierter Stromregeleinrichtung
WO2010007712A1 (ja) * 2008-07-17 2010-01-21 三菱電機株式会社 可変バルブタイミング調整装置用電磁弁および可変バルブタイミング調整システム
US8444400B2 (en) * 2009-02-13 2013-05-21 Caterpillar Inc. Hydraulic cylinder having piston-mounted bypass valve
DE102013224655A1 (de) * 2013-12-02 2015-06-03 Robert Bosch Gmbh Steueranordnung und Steuerventil für eine derartige Steueranordnung
CN109723693B (zh) * 2019-01-15 2023-10-03 江苏徐工工程机械研究院有限公司 一种负载敏感多路阀及液压系统
CN114483697B (zh) * 2022-02-25 2023-07-25 杭州力龙液压有限公司 平衡阀结构、液压马达及工程机械

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910971A (en) * 1958-06-27 1959-11-03 Bendix Aviat Corp Power steering valve
CH444601A (de) * 1966-12-13 1967-09-30 Beringer Hydraulik Gmbh Steuervorrichtung für hydraulisch betriebene Einrichtungen
US3501673A (en) * 1968-04-29 1970-03-17 Stromberg Datagraphix Inc Variable magnification cathode ray tube
ZA695984B (en) * 1968-09-06 1971-03-31 Borg Warner Control circuit
US3602104A (en) * 1969-07-08 1971-08-31 Eaton Yale & Towne Pressure-compensated flow control
US3693506A (en) * 1971-04-15 1972-09-26 Borg Warner Control circuit
NL169628C (nl) * 1971-06-29 1982-08-02 Ind En Handelmaatschappij Kopp Regelinrichting voor het lastonafhankelijk besturen van hydraulische aandrijfapparaten.
US3742982A (en) * 1971-07-26 1973-07-03 Borg Warner Control valve
US3882896A (en) * 1971-09-30 1975-05-13 Tadeusz Budzich Load responsive control valve
US3744517A (en) * 1971-09-30 1973-07-10 Budzich Tadeusz Load responsive fluid control valves
BE792619A (fr) * 1971-12-13 1973-06-12 Caterpillar Tractor Co Circuit de commande de moteur à fluide comportant des moyens pour contrecarrer l'emballement.
CH534816A (de) * 1972-02-18 1973-03-15 Beringer Hydraulik Gmbh Steuervorrichtung für lastunabhängige Durchflussregelung
GB1417606A (en) * 1972-02-24 1975-12-10 Daikin Ind Ltd Fluid controlling apparatus
US3742980A (en) * 1972-04-03 1973-07-03 Sanders Associates Inc Hydraulic control system
US3984979A (en) * 1973-07-06 1976-10-12 Tadeusz Budzich Load responsive fluid control valves
US3998134A (en) * 1974-11-08 1976-12-21 Tadeusz Budzich Load responsive fluid control valves
DE2457451A1 (de) * 1974-12-05 1976-06-10 Bosch Gmbh Robert Hydraulische steuereinrichtung
US3989062A (en) * 1975-05-09 1976-11-02 Hydraulic Industries, Inc. Source fluid supply and pressure control system for hydraulic motors

Also Published As

Publication number Publication date
DE2514624A1 (de) 1976-10-14
JPS51123489A (en) 1976-10-28
BE840361A (fr) 1976-08-02
CH613022A5 (it) 1979-08-31
NL7603230A (nl) 1976-10-05
BR7602004A (pt) 1976-10-05
FR2306352B1 (it) 1982-06-18
CA1050856A (en) 1979-03-20
US4051868A (en) 1977-10-04
GB1543408A (en) 1979-04-04
DD124482A5 (it) 1977-02-23
SE413111B (sv) 1980-04-14
DE2514624B2 (de) 1980-04-24
SE7603894L (sv) 1976-10-04
JPS6110687B2 (it) 1986-03-31
FR2306352A1 (fr) 1976-10-29
ES446653A1 (es) 1977-06-01
DE2514624C3 (de) 1986-10-23
DK161776A (da) 1976-10-04

Similar Documents

Publication Publication Date Title
IT1057833B (it) Dispositivo di distribuzione per utilizzatori azionati idrraulicamente
SE7601985L (sv) Sonderdelningsapparat
SE7609135L (sv) Finfordelningsapparat
SE7606785L (sv) Pipetteringsapparat
IT1064548B (it) Dispositivo di spinta idrostatico
DK35376A (da) Sonderdelingsapparat
IT1058625B (it) Dispositivo percussore idraulico
IT1056752B (it) Apparecchio grammofonico
BR7600307A (pt) Dispositivo hidraulico
IT1064540B (it) Dispositivo di spinta idrostatico
IT1058871B (it) Apparecchio di commutazione
SE7613073L (sv) Nalfresanordning
IT1104494B (it) Dispositivo invergature per orditoi
BR7608762A (pt) Dispositivo para distribuicao
IT1053631B (it) Aeratore per gabinetti
IT1061925B (it) Apparecchio elettroradiografico
DK172076A (da) Hydraulisk indstillingsanordning
SE7604403L (sv) Talimiteringsapparat
IT1068076B (it) Dispositivo invergatore per orditoi
DK101776A (da) Anordning ved dorkikkerter
IT1070859B (it) Dispositivo aprilettera
SE7501187L (sv) Jalusianordning
SE428004B (sv) Doser-avtappningsanordning
SE7600138L (sv) Energifordelande anordning
NO144191C (no) Anordning ved klosettskaal.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950428