IT1004880B - Dispositivo idraulico di comando particolarmente dispositivo di ster zo per veicoli - Google Patents

Dispositivo idraulico di comando particolarmente dispositivo di ster zo per veicoli

Info

Publication number
IT1004880B
IT1004880B IT67325/74A IT6732574A IT1004880B IT 1004880 B IT1004880 B IT 1004880B IT 67325/74 A IT67325/74 A IT 67325/74A IT 6732574 A IT6732574 A IT 6732574A IT 1004880 B IT1004880 B IT 1004880B
Authority
IT
Italy
Prior art keywords
ster
vehicles
hydraulic control
control device
device particularly
Prior art date
Application number
IT67325/74A
Other languages
English (en)
Italian (it)
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 IT1004880B publication Critical patent/IT1004880B/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating 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
    • F15B2211/20—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
    • F15B2211/3051—Cross-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
    • F15B2211/30525—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
    • F15B2211/305—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
    • F15B2211/3054—In combination with a pressure compensating valve the pressure compensating valve is arranged between directional control valve and 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
    • F15B2211/327—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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
    • F15B2211/50—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
    • F15B2211/50—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
    • F15B2211/60—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
    • F15B2211/61—Secondary circuits
    • 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
    • F15B2211/61—Secondary circuits
    • F15B2211/613—Feeding circuits
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/7054—Having equal piston areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
IT67325/74A 1973-02-07 1974-02-06 Dispositivo idraulico di comando particolarmente dispositivo di ster zo per veicoli IT1004880B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2305835A DE2305835A1 (de) 1973-02-07 1973-02-07 Hydraulische steuereinrichtung, insbesondere lenkeinrichtung

Publications (1)

Publication Number Publication Date
IT1004880B true IT1004880B (it) 1976-07-20

Family

ID=5871143

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67325/74A IT1004880B (it) 1973-02-07 1974-02-06 Dispositivo idraulico di comando particolarmente dispositivo di ster zo per veicoli

Country Status (11)

Country Link
US (1) US4006663A (OSRAM)
JP (1) JPS605801B2 (OSRAM)
BE (1) BE810378A (OSRAM)
CH (1) CH565951A5 (OSRAM)
DD (1) DD110329A5 (OSRAM)
DE (1) DE2305835A1 (OSRAM)
FR (1) FR2216468B1 (OSRAM)
GB (1) GB1464781A (OSRAM)
IT (1) IT1004880B (OSRAM)
NL (1) NL7401296A (OSRAM)
SE (1) SE404238B (OSRAM)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2728004C2 (de) * 1977-06-22 1981-10-08 Danfoss A/S, 6430 Nordborg Hydraulische Steuervorrichtung für einen Servomotor, insbesondere für Fahrzeuglenkungen
DE2728005C2 (de) * 1977-06-22 1982-09-16 Danfoss A/S, 6430 Nordborg Hydraulische Steuervorrichtung für einen Servomotor, insbesondere für Fahrzeuglenkungen
FR2420470A1 (fr) * 1978-03-21 1979-10-19 Ljubimov Boris Systeme hydraulique de commande d'un moyen de transport
US4250794A (en) * 1978-03-31 1981-02-17 Caterpillar Tractor Co. High pressure hydraulic system
DE2924196C2 (de) * 1979-06-15 1982-09-02 Danfoss A/S, 6430 Nordborg Hydraulische Steuervorrichtung, insbesondere für Fahrzeuglenkungen
US4406212A (en) * 1979-06-19 1983-09-27 British Aerospace Public Limited Company Hydraulic apparatus
DE2941938C2 (de) * 1979-10-17 1982-05-19 Danfoss A/S, 6430 Nordborg Hydraulischer Verstärker für einen Servomotor
DE2949657C2 (de) * 1979-12-11 1982-09-09 Danfoss A/S, 6430 Nordborg Ventilanordnung für einen hydraulischen Servomotor
US4310062A (en) * 1980-01-22 1982-01-12 International Harvester Company Hydrostatic steering arrangement
ES8205163A1 (es) * 1981-08-04 1982-06-16 Bendiberica Sa Perfeccionamientos en distribuidores fluidodinamicos
DE3134371C2 (de) * 1981-08-31 1985-01-03 Danfoss A/S, Nordborg Hydrostatische Lenkeinrichtung
DE3131619C1 (de) * 1981-08-10 1983-02-24 Danfoss A/S, 6430 Nordborg Hydrostatische Lenkeinrichtung
EP0092546A1 (en) * 1981-11-03 1983-11-02 Towmotor Corporation Lock valve
DE3407878C1 (de) * 1984-03-02 1985-06-27 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Rueckschlagventil fuer die Stempel von Schreitausbaugestellen
SE458704B (sv) * 1987-05-18 1989-04-24 Atlas Copco Ab Anordning vid ett hydrauliskt drivsystem anslutet till en lastdrivande hydraulmotor
US4914913A (en) * 1989-05-03 1990-04-10 Caterpillar Inc. Load responsive flow amplified control system for power steering
US5214997A (en) * 1990-04-27 1993-06-01 Bendix Europe Services Techniques Control circuit for a double-acting hydraulic jack and slide distributor for such a circuit
US5349818A (en) * 1993-08-11 1994-09-27 Teleflex (Canada) Limited Low deadband marine hydraulic steering system
US5481871A (en) * 1995-03-02 1996-01-09 Teleflex (Canada) Ltd. Hydraulic steering system with spool pressure equalization
US5676169A (en) * 1996-01-24 1997-10-14 Power Team Division Of Spx Corporation Counterbalance valve
FR2755481B1 (fr) * 1996-11-07 1998-12-24 Lohr Ind Dispositif de maintien en position et sous charge d'un verin hydraulique
DE20106511U1 (de) 2001-04-14 2001-08-02 FESTO AG & Co., 73734 Esslingen Ventileinheit mit entsperrbarem Rückschlagventil und damit ausgestatteter fluidbetätigter Antrieb
DE102016002555A1 (de) * 2016-03-04 2017-09-07 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung und Verfahren zum Aufrechterhalten eines erzeugten hydraulischen Druckes
CN108488130B (zh) * 2018-05-18 2019-12-24 江苏南京白马现代农业高新技术产业园有限公司 一种控制阀装置
CN108799226B (zh) * 2018-05-18 2020-08-07 台州市路桥区嘉伟鞋帽厂 一种插装式翻转控制阀
CN114576228B (zh) * 2022-05-06 2022-07-22 英轩重工有限公司 一种流量放大阀及其转向液压控制系统
DE102023119890A1 (de) * 2023-06-14 2024-12-19 Danfoss A/S Verbesserter Ventilkolben für ein Schieberventil
CN119982712B (zh) * 2025-04-16 2025-07-08 江苏恒立液压科技有限公司 一种双节流阀控制模块及液压系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644545C (de) * 1934-10-09 1937-05-07 George Herbert Dowty Verriegelungsschloss fuer hydraulische Drucksysteme mit umkehrbarer Stroemungsrichtung
US2618121A (en) * 1949-11-07 1952-11-18 Hpm Dev Corp Locking control circuit for fluid-actuated motors
US2906246A (en) * 1953-06-18 1959-09-29 Ross Operating Valve Co Control system for fluid actuated devices
BE553194A (OSRAM) * 1955-12-13 1900-01-01
US3164959A (en) * 1963-05-03 1965-01-12 Oil Dyne Inc Hydraulic systems
US3364823A (en) * 1965-07-09 1968-01-23 Erickson Tool Co Fluid motor and control valve assembly therefor
US3771424A (en) * 1968-03-13 1973-11-13 Caterpillar Tractor Co Hydraulic flow amplifier valve
DE1755387C3 (de) * 1968-05-03 1973-11-08 Danfoss A/S, Nordborg (Daenemark) Hydrostatische Lenkeinrichtung, insbesondere fur schwere Fahrzeuge
US3561488A (en) * 1969-07-01 1971-02-09 Sanders Associates Inc Fluid flow control valve
US3580281A (en) * 1969-10-07 1971-05-25 Sanders Associates Inc Control valve

Also Published As

Publication number Publication date
FR2216468A1 (OSRAM) 1974-08-30
JPS605801B2 (ja) 1985-02-14
DE2305835A1 (de) 1974-08-15
FR2216468B1 (OSRAM) 1978-01-06
SE404238B (sv) 1978-09-25
JPS49111091A (OSRAM) 1974-10-23
NL7401296A (OSRAM) 1974-08-09
BE810378A (fr) 1974-05-16
CH565951A5 (OSRAM) 1975-08-29
US4006663A (en) 1977-02-08
GB1464781A (en) 1977-02-16
DD110329A5 (OSRAM) 1974-12-12

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