ES2082272T3 - HYDRAULIC CIRCUIT FOR ELEVATORS OF PERSONS AND OF GOODS AND THE LIKE. - Google Patents

HYDRAULIC CIRCUIT FOR ELEVATORS OF PERSONS AND OF GOODS AND THE LIKE.

Info

Publication number
ES2082272T3
ES2082272T3 ES92108202T ES92108202T ES2082272T3 ES 2082272 T3 ES2082272 T3 ES 2082272T3 ES 92108202 T ES92108202 T ES 92108202T ES 92108202 T ES92108202 T ES 92108202T ES 2082272 T3 ES2082272 T3 ES 2082272T3
Authority
ES
Spain
Prior art keywords
valve
elevators
hydraulic circuit
persons
goods
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES92108202T
Other languages
Spanish (es)
Inventor
Angelo Martini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GMV Martini SpA
Original Assignee
GMV Martini SpA
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 GMV Martini SpA filed Critical GMV Martini SpA
Application granted granted Critical
Publication of ES2082272T3 publication Critical patent/ES2082272T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B66B1/405—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings for hydraulically actuated elevators

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Elevator Control (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

CIRCUITO HIDRAULICO PARA ASCENSORES Y MONTACARGAS Y SIMILARES CON SEGURIDAD INTRINSECA QUE COMPRENDE SUBSTANCIALMENTE UNA VALVULA DE CONTROL DE FLUIDO (10), UNA VALVULA DE DESCENSO MAGNETICA (12), UNA VALVULA DE COMPROBACION (14), UNA VALVULA DE SOBREPRESION (16) Y UNA VALVULA DE ARRANQUE MAGNETICA (18) EN EL QUE DICHA VALVULA DE ARRANQUE MAGNETICA (18) ES CONTROLADA ELECTRICAMENTE SOLO DURANTE LA FASE DE DESCENSO Y LA VALVULA DE SOBREPRESION (16) SE CIERRA EN LA AUSENCIA DE UN MANDATO ELECTRICO.HYDRAULIC CIRCUIT FOR ELEVATORS AND LIFT TRUCKS AND SIMILAR WITH INTRINSIC SAFETY WHICH SUBSTANTIALLY INCLUDES A FLUID CONTROL VALVE (10), A MAGNETIC DESCENT VALVE (12), A CHECK VALVE (14), AN OVERPRESSURE VALVE (14) MAGNETIC START VALVE (18) IN WHICH SUCH MAGNETIC START VALVE (18) IS ELECTRICALLY CONTROLLED ONLY DURING THE DESCENT PHASE AND THE OVERPRESSURE VALVE (16) IS CLOSED IN THE ABSENCE OF AN ELECTRICAL COMMAND.

ES92108202T 1991-05-20 1992-05-14 HYDRAULIC CIRCUIT FOR ELEVATORS OF PERSONS AND OF GOODS AND THE LIKE. Expired - Lifetime ES2082272T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911374A IT1248792B (en) 1991-05-20 1991-05-20 HYDRAULIC CIRCUIT FOR LIFTS, LIFTS AND SIMILAR, WITH INTRINSIC SAFETY

Publications (1)

Publication Number Publication Date
ES2082272T3 true ES2082272T3 (en) 1996-03-16

Family

ID=11359931

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92108202T Expired - Lifetime ES2082272T3 (en) 1991-05-20 1992-05-14 HYDRAULIC CIRCUIT FOR ELEVATORS OF PERSONS AND OF GOODS AND THE LIKE.

Country Status (7)

Country Link
EP (1) EP0514782B1 (en)
AT (1) ATE132112T1 (en)
DE (1) DE69207065T2 (en)
DK (1) DK0514782T3 (en)
ES (1) ES2082272T3 (en)
GR (1) GR3019026T3 (en)
IT (1) IT1248792B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545657A1 (en) * 1995-12-07 1997-06-12 Rexroth Mannesmann Gmbh Hydraulic valve arrangement with a pressure-controlled directional valve
US8191689B2 (en) * 2009-06-19 2012-06-05 Tower Elevator Systems, Inc. Elevator safety rescue system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434014A1 (en) * 1984-09-15 1986-03-20 Beringer-Hydraulik GmbH, Neuheim, Zug HYDRAULIC CONTROL
US4726450A (en) * 1985-11-18 1988-02-23 Otis Elevator Company Hydraulic elevator with dynamically programmed motor-operated valve
DE3709661C2 (en) * 1987-03-24 1995-07-13 Haushahn C Gmbh Co Device for suppressing or preventing the vibrations of a motor-driven hoist, in particular an elevator
US5014824A (en) * 1990-01-19 1991-05-14 Otis Elevator Company Hydraulic elevator control valve

Also Published As

Publication number Publication date
ITMI911374A1 (en) 1992-11-20
EP0514782A1 (en) 1992-11-25
DK0514782T3 (en) 1996-05-20
ITMI911374A0 (en) 1991-05-20
DE69207065D1 (en) 1996-02-08
DE69207065T2 (en) 1996-06-27
GR3019026T3 (en) 1996-05-31
ATE132112T1 (en) 1996-01-15
IT1248792B (en) 1995-01-30
EP0514782B1 (en) 1995-12-27

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