CA1033672A - Commande d'ascenseurs hydraulique - Google Patents

Commande d'ascenseurs hydraulique

Info

Publication number
CA1033672A
CA1033672A CA246,556A CA246556A CA1033672A CA 1033672 A CA1033672 A CA 1033672A CA 246556 A CA246556 A CA 246556A CA 1033672 A CA1033672 A CA 1033672A
Authority
CA
Canada
Prior art keywords
drive system
hydraulic elevator
elevator drive
hydraulic
elevator
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
Application number
CA246,556A
Other languages
English (en)
Inventor
David C. Mcmurray
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.)
Armor Elevator Canada Ltd
Original Assignee
Armor Elevator Canada Ltd
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 Armor Elevator Canada Ltd filed Critical Armor Elevator Canada Ltd
Priority to CA286,568A priority Critical patent/CA1037623A/fr
Application granted granted Critical
Publication of CA1033672A publication Critical patent/CA1033672A/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)
CA246,556A 1975-02-26 1976-02-25 Commande d'ascenseurs hydraulique Expired CA1033672A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA286,568A CA1037623A (fr) 1975-02-26 1977-09-13 Commande hydraulique d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/553,442 US3977497A (en) 1975-02-26 1975-02-26 Hydraulic elevator drive system

Publications (1)

Publication Number Publication Date
CA1033672A true CA1033672A (fr) 1978-06-27

Family

ID=24209413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,556A Expired CA1033672A (fr) 1975-02-26 1976-02-25 Commande d'ascenseurs hydraulique

Country Status (2)

Country Link
US (1) US3977497A (fr)
CA (1) CA1033672A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074794A (en) * 1975-10-31 1978-02-21 Towmotor Corporation Height indicator and control for fork lift trucks
US4081021A (en) * 1976-01-13 1978-03-28 Reynolds Metals Company Semi-continuous direct chill casting apparatus
US4099595A (en) * 1976-04-20 1978-07-11 Thomas Ray Tracy Escape device
US4296574A (en) * 1978-02-14 1981-10-27 Knoll International, Inc. Floor panel-furniture support system
US4311212A (en) * 1980-07-09 1982-01-19 Elevator Equipment Co. Valve control system
IT1138425B (it) * 1981-06-16 1986-09-17 Stigler Otis S P A Complesso elettro-fluidodinamico per l'azionamento di una cabina di un impianto ascensore
EP0162931A1 (fr) * 1983-07-28 1985-12-04 Siminor S.A. Perfectionnement aux ascenseurs hydrauliques
US4637495A (en) * 1985-10-09 1987-01-20 Blain Roy W Pressure/viscosity compensated up travel for a hydraulic elevator
NZ218082A (en) * 1985-11-18 1988-10-28 Otis Elevator Co Pressure referenced programmed flow control in a hydraulic valve
US4726450A (en) * 1985-11-18 1988-02-23 Otis Elevator Company Hydraulic elevator with dynamically programmed motor-operated valve
JPS631683A (ja) * 1986-06-20 1988-01-06 株式会社日立製作所 流体圧エレベ−タ
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
US4932502A (en) * 1989-02-15 1990-06-12 Inventio Ag Hydraulic elevator system
ATE108416T1 (de) * 1989-11-27 1994-07-15 Inventio Ag Verfahren und vorrichtung zur herabsetzung der einklemmgefahr bei automatischen türen.
JP2533683B2 (ja) * 1990-10-16 1996-09-11 三菱電機株式会社 油圧エレベ―タの制御装置
JP2893978B2 (ja) * 1991-02-28 1999-05-24 株式会社日立製作所 流体圧エレベータ及びその制御方法
US5232070A (en) * 1991-08-15 1993-08-03 Blain Roy W Up leveling control system for small elevators
EP0555635A1 (fr) * 1992-02-10 1993-08-18 Inventio Ag Procédé et dispositif de réduction de la puissance motrice d'un ascenseur hydraulique
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726735A (en) * 1955-02-23 1955-12-13 New York Air Brake Co Electric control for hydraulic lifts
US3187844A (en) * 1961-09-06 1965-06-08 Hydraulic Elevator & Machine C Hydraulic elevator control
US3570243A (en) * 1968-12-09 1971-03-16 Mobility Systems Inc Hydraulic actuator control system

Also Published As

Publication number Publication date
US3977497A (en) 1976-08-31

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