IT985983B - Dispositivo alimentatore di fluido ad un organo motore munito di un limitatore di portata - Google Patents

Dispositivo alimentatore di fluido ad un organo motore munito di un limitatore di portata

Info

Publication number
IT985983B
IT985983B IT68602/73A IT6860273A IT985983B IT 985983 B IT985983 B IT 985983B IT 68602/73 A IT68602/73 A IT 68602/73A IT 6860273 A IT6860273 A IT 6860273A IT 985983 B IT985983 B IT 985983B
Authority
IT
Italy
Prior art keywords
motor unit
unit equipped
flow limiter
fluid feeding
feeding
Prior art date
Application number
IT68602/73A
Other languages
English (en)
Italian (it)
Original Assignee
Poclain Sa
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 Poclain Sa filed Critical Poclain Sa
Application granted granted Critical
Publication of IT985983B publication Critical patent/IT985983B/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
    • 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
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow 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
    • F15B2211/20—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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40576—Assemblies of multiple valves
    • F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the 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
    • F15B2211/70—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
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting 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
    • F15B2211/75—Control of speed of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
  • Reciprocating Pumps (AREA)
IT68602/73A 1972-05-31 1973-05-30 Dispositivo alimentatore di fluido ad un organo motore munito di un limitatore di portata IT985983B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7219573A FR2187086A5 (xx) 1972-05-31 1972-05-31

Publications (1)

Publication Number Publication Date
IT985983B true IT985983B (it) 1974-12-30

Family

ID=9099434

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68602/73A IT985983B (it) 1972-05-31 1973-05-30 Dispositivo alimentatore di fluido ad un organo motore munito di un limitatore di portata

Country Status (10)

Country Link
US (1) US3817154A (xx)
JP (1) JPS4949084A (xx)
AR (1) AR198313A1 (xx)
BE (1) BE799230A (xx)
BR (1) BR7303953D0 (xx)
DE (1) DE2327712A1 (xx)
ES (1) ES414629A1 (xx)
FR (1) FR2187086A5 (xx)
GB (1) GB1380226A (xx)
IT (1) IT985983B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114516A (en) * 1976-10-15 1978-09-19 Caterpillar Tractor Co. Anti-cavitation and pressure modulating relief valve for controlling hydraulic cylinders
DE2728004C2 (de) * 1977-06-22 1981-10-08 Danfoss A/S, 6430 Nordborg Hydraulische Steuervorrichtung für einen Servomotor, insbesondere für Fahrzeuglenkungen
DE2735559C2 (de) * 1977-08-06 1986-10-30 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulisches Steuergerät für ein hydraulisch angetriebenes Arbeitsgerät
US4300584A (en) * 1978-02-10 1981-11-17 Modular Controls Corporation Hydraulic sequence valve
DE2829064B2 (de) 1978-07-01 1981-02-12 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulische Hilfskraftlenkung für Kraftfahrzeuge
DE2857451C3 (de) * 1978-07-01 1987-01-22 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulische Hilfskraftlenkung für Kraftfahrzeuge
US4223693A (en) * 1978-07-27 1980-09-23 Modular Controls Corporation Counterbalance valve
US4261249A (en) * 1978-09-08 1981-04-14 Joy Manufacturing Company Hammer
US4341148A (en) * 1980-09-30 1982-07-27 Modular Controls Corporation Hydraulic sequencing valve
US4838532A (en) * 1987-08-10 1989-06-13 Aladdin Engineering & Mfg., Inc. Fluid operated clamping device including fluid pressure locking means
US5081904A (en) * 1989-08-30 1992-01-21 Aladdin Engineering & Mfg., Inc. Locking valve and flow control valve assembly
EP0441739A1 (de) * 1990-02-08 1991-08-14 Alusuisse-Lonza Services Ag Verfahren zur Aufbereitung von aus mit einer Oberflächenbeschichtung versehenen Metallteilen bestehenden Abfällen durch Zerkleinerung
DE19510586A1 (de) * 1995-03-23 1996-09-26 Rexroth Mannesmann Gmbh Rohrbruchsicherungsventil
FR2734607A1 (fr) * 1995-05-24 1996-11-29 Eha Engineerie Hydromecanique Dispositif hydraulique differentiel pour alimentation et verrouillage de verins de commande a double effet
US5676169A (en) * 1996-01-24 1997-10-14 Power Team Division Of Spx Corporation Counterbalance valve
JP3778634B2 (ja) 1996-11-22 2006-05-24 Ｓｍｃ株式会社 パイロットチェック弁付スピードコントローラ
US5960814A (en) * 1997-09-12 1999-10-05 Ngt, Llc. Counter balanced locking valve
US6477937B1 (en) 1999-12-13 2002-11-12 Aladdin Engineering & Manufacturing Valve arrangement including release valve
US6520342B1 (en) 2000-02-16 2003-02-18 Aladdin Engineering & Manufacturing, Inc. Product handling apparatus
US8262058B2 (en) * 2008-08-28 2012-09-11 Kot Norbert J Balanced pilot operated check valve
US20100090143A1 (en) * 2008-08-28 2010-04-15 Kot Norbert J Dual locking valve
US9611871B2 (en) 2013-09-13 2017-04-04 Norbert J. Kot Pneumatic valve assembly and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1972462A (en) * 1932-06-29 1934-09-04 Nat Automatic Tool Co Hydraulic circuit back pressure control
US2328980A (en) * 1942-05-16 1943-09-07 Vickers Inc Power transmission
US2470778A (en) * 1946-06-25 1949-05-24 Matthew B Butler Hydraulic system for selfloading trucks

Also Published As

Publication number Publication date
GB1380226A (en) 1975-01-08
FR2187086A5 (xx) 1974-01-11
JPS4949084A (xx) 1974-05-13
BR7303953D0 (pt) 1974-06-27
ES414629A1 (es) 1976-01-16
AR198313A1 (es) 1974-06-14
BE799230A (fr) 1973-08-31
US3817154A (en) 1974-06-18
DE2327712A1 (de) 1973-12-20

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