IT1006719B - HYDRAULIC CONTROL DEVICE - Google Patents

HYDRAULIC CONTROL DEVICE

Info

Publication number
IT1006719B
IT1006719B IT19067/74A IT1906774A IT1006719B IT 1006719 B IT1006719 B IT 1006719B IT 19067/74 A IT19067/74 A IT 19067/74A IT 1906774 A IT1906774 A IT 1906774A IT 1006719 B IT1006719 B IT 1006719B
Authority
IT
Italy
Prior art keywords
control device
hydraulic control
hydraulic
control
Prior art date
Application number
IT19067/74A
Other languages
Italian (it)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT1006719B publication Critical patent/IT1006719B/en

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
    • 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
    • F15B2211/30505—Non-return valves, i.e. 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/30515—Load holding 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
    • 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
    • F15B2211/50—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
    • F15B2211/55—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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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)
  • Forklifts And Lifting Vehicles (AREA)
IT19067/74A 1973-01-13 1974-01-04 HYDRAULIC CONTROL DEVICE IT1006719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2301648A DE2301648A1 (en) 1973-01-13 1973-01-13 HYDRAULIC CONTROL DEVICE

Publications (1)

Publication Number Publication Date
IT1006719B true IT1006719B (en) 1976-10-20

Family

ID=5868945

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19067/74A IT1006719B (en) 1973-01-13 1974-01-04 HYDRAULIC CONTROL DEVICE

Country Status (6)

Country Link
US (1) US3851566A (en)
JP (1) JPS5047082A (en)
DE (1) DE2301648A1 (en)
FR (1) FR2214054B1 (en)
GB (1) GB1395143A (en)
IT (1) IT1006719B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968732A (en) * 1972-11-10 1976-07-13 Fitzgerald William Maurice Bar Hydraulic power transmission system
SE381919B (en) * 1973-10-24 1975-12-22 Atlas Copco Ab WAY TO REGULATE THE HYDRAULIC BRAKE MOVEMENTS AND DEVICE FOR IMPLEMENTING THE KIT
DE2457451A1 (en) * 1974-12-05 1976-06-10 Bosch Gmbh Robert HYDRAULIC CONTROL DEVICE
US4161256A (en) * 1977-10-04 1979-07-17 Cascade Corporation Fluid power system having multiple, separately controllable double-acting fluid motors and reduced number of fluid conduits
DE2945120A1 (en) * 1979-11-08 1981-05-14 Mogilevskij avtomobil'njy zavod imeni S.M. Kirova, Mogilev Multi-motor hydraulic or pneumatic drive - has two mains common to all motors controlled by distributor
FI64842C (en) * 1982-03-16 1984-01-10 Valmet Oy ANORDNING FOER ATT SPARA ENERGI I EN HYDRAULKRETS
DE3346184A1 (en) * 1983-12-21 1985-07-04 Mannesmann Rexroth GmbH, 8770 Lohr Control block with a plurality of directional control valves
US4836088A (en) * 1985-08-21 1989-06-06 Rome Industries, Inc. Directional control valve and regeneration valve
JP2517524Y2 (en) * 1993-11-09 1996-11-20 和仁 大野 Concrete sewage basin
DE4407739C1 (en) * 1994-03-08 1995-07-20 Daimler Benz Ag Actuating system for hydraulic drive elements of a folding top that can be controlled by switching means
NL9401191A (en) * 1994-07-20 1996-03-01 Applied Power Inc Hydraulic circuit.
NL9401190A (en) * 1994-07-20 1996-03-01 Applied Power Inc Hydraulic circuit.
US6715402B2 (en) * 2002-02-26 2004-04-06 Husco International, Inc. Hydraulic control circuit for operating a split actuator mechanical mechanism
DE102004006683A1 (en) * 2004-02-11 2005-09-01 Zf Friedrichshafen Ag switching unit
US7827787B2 (en) 2007-12-27 2010-11-09 Deere & Company Hydraulic system
DE102008053061A1 (en) * 2008-10-24 2010-04-29 Hydac System Gmbh Hydromechanical support device, particularly for holding working platforms erected on floor space in desired alignment position, comprises hydraulic system which has preselection valve which is upstream hydraulic cylinders
UA110988C2 (en) 2011-08-05 2016-03-10 Пресіжн Плентінг Елелсі Apparatus, systems and methods for controlling the downforce of an agricultural implement having multiple row units
GB201319154D0 (en) * 2013-10-30 2013-12-11 Agco Int Gmbh Hydraulic system supply
CN115342091B (en) * 2021-05-12 2024-11-05 哈威油液压技术(无锡)有限公司 Hydraulic control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443483A (en) * 1966-05-06 1969-05-13 Int Harvester Co Pilot unloading hydraulic circuit
US3520231A (en) * 1968-10-23 1970-07-14 Gen Signal Corp Hydraulic supply systems with flow rate-limiting control
US3550505A (en) * 1969-05-07 1970-12-29 Gen Signal Corp Hydraulic system including two work circuits

Also Published As

Publication number Publication date
FR2214054A1 (en) 1974-08-09
DE2301648A1 (en) 1974-07-18
JPS5047082A (en) 1975-04-26
FR2214054B1 (en) 1976-10-08
GB1395143A (en) 1975-05-21
US3851566A (en) 1974-12-03

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