CH541506A - Lift travel control device for a hydraulic elevator - Google Patents

Lift travel control device for a hydraulic elevator

Info

Publication number
CH541506A
CH541506A CH224472A CH224472A CH541506A CH 541506 A CH541506 A CH 541506A CH 224472 A CH224472 A CH 224472A CH 224472 A CH224472 A CH 224472A CH 541506 A CH541506 A CH 541506A
Authority
CH
Switzerland
Prior art keywords
control device
travel control
hydraulic elevator
lift travel
lift
Prior art date
Application number
CH224472A
Other languages
German (de)
Inventor
William Blain Roy
Original Assignee
William Blain Roy
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 William Blain Roy filed Critical William Blain Roy
Publication of CH541506A publication Critical patent/CH541506A/en

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)
  • Types And Forms Of Lifts (AREA)
CH224472A 1971-02-20 1972-02-16 Lift travel control device for a hydraulic elevator CH541506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108202 DE2108202C3 (en) 1971-02-20 1971-02-20 Lift travel control device for a hydraulic elevator

Publications (1)

Publication Number Publication Date
CH541506A true CH541506A (en) 1973-09-15

Family

ID=5799366

Family Applications (1)

Application Number Title Priority Date Filing Date
CH224472A CH541506A (en) 1971-02-20 1972-02-16 Lift travel control device for a hydraulic elevator

Country Status (5)

Country Link
CH (1) CH541506A (en)
DE (1) DE2108202C3 (en)
FR (1) FR2125526B1 (en)
GB (1) GB1378345A (en)
IT (1) IT948807B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276810A (en) * 1972-11-08 1981-07-07 Control Concepts, Inc. Programmed valve system used for positioning control
DE2405852C2 (en) * 1974-02-07 1983-11-17 Blain, Roy William, 7100 Heilbronn Hydraulic elevator control valve
US4011888A (en) * 1976-03-12 1977-03-15 Elevator Equipment Co. Unitary elevator up level control valve
US4637495A (en) * 1985-10-09 1987-01-20 Blain Roy W Pressure/viscosity compensated up travel for a hydraulic elevator
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
US4800990A (en) * 1987-05-07 1989-01-31 Blain Roy W Three speed valve control for high performance hydraulic elevator
DE4007804A1 (en) * 1990-03-12 1991-09-19 Kloeckner Humboldt Deutz Ag Control device for agricultural tool hydraulic hoist - uses controlled non-return valve connected to hydraulic line for hydraulic lifting cylinder
US5232070A (en) * 1991-08-15 1993-08-03 Blain Roy W Up leveling control system for small elevators
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly
US5593004A (en) 1995-03-28 1997-01-14 Blain Roy W Servo control for hydraulic elevator

Also Published As

Publication number Publication date
FR2125526B1 (en) 1976-10-29
IT948807B (en) 1973-06-11
GB1378345A (en) 1974-12-27
DE2108202B2 (en) 1979-03-29
DE2108202C3 (en) 1979-11-22
FR2125526A1 (en) 1972-09-29
DE2108202A1 (en) 1972-08-31

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Legal Events

Date Code Title Description
PL Patent ceased