IT8267596A0 - Parecchi di sollevamento valvola di arresto del carico e di frenatura della sua discesa per ap - Google Patents

Parecchi di sollevamento valvola di arresto del carico e di frenatura della sua discesa per ap

Info

Publication number
IT8267596A0
IT8267596A0 IT8267596A IT6759682A IT8267596A0 IT 8267596 A0 IT8267596 A0 IT 8267596A0 IT 8267596 A IT8267596 A IT 8267596A IT 6759682 A IT6759682 A IT 6759682A IT 8267596 A0 IT8267596 A0 IT 8267596A0
Authority
IT
Italy
Prior art keywords
descent
braking
stop
load
lifting valve
Prior art date
Application number
IT8267596A
Other languages
English (en)
Italian (it)
Inventor
Lars Yngve Andersson
Ralph Sigfrid Larsson
Nils Gunnar Lindmark
Original Assignee
Hiab Foco Ab
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
Priority claimed from SE8102858A external-priority patent/SE449773B/sv
Application filed by Hiab Foco Ab filed Critical Hiab Foco Ab
Publication of IT8267596A0 publication Critical patent/IT8267596A0/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
    • F15B11/003—Systems with load-holding valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • 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
    • 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
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
IT8267596A 1981-05-07 1982-05-07 Parecchi di sollevamento valvola di arresto del carico e di frenatura della sua discesa per ap IT8267596A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8102858A SE449773B (sv) 1980-11-07 1981-05-07 Lasthallnings- och senkbromsventil for linjera eller olinjera hydraulmotorer

Publications (1)

Publication Number Publication Date
IT8267596A0 true IT8267596A0 (it) 1982-05-07

Family

ID=20343753

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8267596A IT8267596A0 (it) 1981-05-07 1982-05-07 Parecchi di sollevamento valvola di arresto del carico e di frenatura della sua discesa per ap

Country Status (3)

Country Link
AT (1) AT385495B (enrdf_load_stackoverflow)
DE (1) DE3216580A1 (enrdf_load_stackoverflow)
IT (1) IT8267596A0 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801006A1 (de) * 1988-01-15 1989-07-27 Joh Tirre Ohg Maschf Schaltung zur steuerung des betriebs eines hydraulischen hebezeuges, insbesondere eines ladekranes
DE9412531U1 (de) 1994-08-03 1994-09-29 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Hydraulische Steuervorrichtung
DE9417904U1 (de) * 1994-11-08 1995-08-03 Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm Teleskopausleger
DE19528981C1 (de) * 1995-08-07 1996-10-02 Heilmeier & Weinlein Verfahren zum Steuern eines Hydroverbrauchers und hydraulische Steuervorrichtung zur Durchführung des Verfahrens
WO1997013072A2 (de) * 1995-09-29 1997-04-10 Beringer Hydraulik Ag Dämpfung von druckschwingungen in hydraulikanlagen
IT1292919B1 (it) * 1997-05-13 1999-02-11 Mita Oleodinamica Spa Distributore per un sollevatore idraulico a posizione e sforzo controllati per trattori e macchine agricole.
DE10307346A1 (de) * 2003-02-21 2004-09-02 Deere & Company, Moline Ventilanordnung
DE102004012382B4 (de) * 2004-03-13 2014-03-13 Deere & Company Hydraulische Anordnung
SE531754C2 (sv) 2007-05-11 2009-07-28 Nordhydraulic Ab Hydraulisk lastkontrollventilanordning
MX2023001452A (es) 2020-08-04 2023-04-14 Moley Magnetics Inc Valvula de control de flujo del motor generador.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD115474A1 (enrdf_load_stackoverflow) * 1974-12-13 1975-10-05
DE2601999C3 (de) * 1976-01-21 1980-02-21 Danfoss A/S, Nordborg (Daenemark) Anordnung zur Beeinflussung der Arbeitsmenge eines Servomotors
SE407841B (sv) * 1976-04-01 1979-04-23 Smedby Mek Verkstad Ab Ventilanordning for en dubbelverkande hydraulcylinder for att forhindra att vakuum uppstar pa ena sidan i cylindern
DE2618641C3 (de) * 1976-04-28 1979-11-22 Weserhuette Ag, 4970 Bad Oeynhausen Hydraulischer Antrieb mit einem doppeltwirkenden Differentialzylinder
GB1551481A (en) * 1977-01-12 1979-08-30 Ford Motor Co Hydraulic valve assembly
JPS55135202A (en) * 1979-04-05 1980-10-21 Hitachi Constr Mach Co Ltd Driving circuit for hydraulically operated construction vehicle
US4367673A (en) * 1981-01-09 1983-01-11 Dresser Industries, Inc. System and method for controlling the elevation of a boom hoist device

Also Published As

Publication number Publication date
AT385495B (de) 1988-04-11
ATA177982A (de) 1987-09-15
DE3216580C2 (enrdf_load_stackoverflow) 1987-12-10
DE3216580A1 (de) 1983-02-24

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