GB1378345A - Drive control system for a hydraulic elevator - Google Patents

Drive control system for a hydraulic elevator

Info

Publication number
GB1378345A
GB1378345A GB713472A GB713472A GB1378345A GB 1378345 A GB1378345 A GB 1378345A GB 713472 A GB713472 A GB 713472A GB 713472 A GB713472 A GB 713472A GB 1378345 A GB1378345 A GB 1378345A
Authority
GB
United Kingdom
Prior art keywords
valve
fluid
chamber
pump
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
GB713472A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1378345A publication Critical patent/GB1378345A/en
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
    • 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)
GB713472A 1971-02-20 1972-02-16 Drive control system for a hydraulic elevator Expired GB1378345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108202 DE2108202C3 (de) 1971-02-20 1971-02-20 Hubfahrsteuereinrichtung für einen hydraulischen Aufzug

Publications (1)

Publication Number Publication Date
GB1378345A true GB1378345A (en) 1974-12-27

Family

ID=5799366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB713472A Expired GB1378345A (en) 1971-02-20 1972-02-16 Drive control system for a hydraulic elevator

Country Status (5)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011888A (en) * 1976-03-12 1977-03-15 Elevator Equipment Co. Unitary elevator up level control valve
US4276810A (en) * 1972-11-08 1981-07-07 Control Concepts, Inc. Programmed valve system used for positioning control
US4318332A (en) 1978-06-13 1982-03-09 Tokyo Shibaura Denki Kabushiki Kaisha Hydraulic apparatus
DE3617666A1 (de) * 1985-10-09 1987-04-09 Roy William Blain Steuervorrichtung fuer einen hydraulischen aufzug
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
DE3801374A1 (de) * 1987-05-07 1988-11-24 Roy William Blain Steuervorrichtung fuer einen hydraulischen aufzug
DE4007804A1 (de) * 1990-03-12 1991-09-19 Kloeckner Humboldt Deutz Ag Steuergeraet fuer einen hydraulisch betaetigten kraftheber
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly
EP0734992A2 (en) 1995-03-28 1996-10-02 Roy W. Blain Servo control for hydraulic elevator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405852C2 (de) * 1974-02-07 1983-11-17 Blain, Roy William, 7100 Heilbronn Hydraulisches Aufzugsteuerventil
US5232070A (en) * 1991-08-15 1993-08-03 Blain Roy W Up leveling control system for small elevators

Cited By (13)

* 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
US4011888A (en) * 1976-03-12 1977-03-15 Elevator Equipment Co. Unitary elevator up level control valve
US4318332A (en) 1978-06-13 1982-03-09 Tokyo Shibaura Denki Kabushiki Kaisha Hydraulic apparatus
DE3617666A1 (de) * 1985-10-09 1987-04-09 Roy William Blain Steuervorrichtung fuer einen hydraulischen aufzug
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
DE3801374A1 (de) * 1987-05-07 1988-11-24 Roy William Blain Steuervorrichtung fuer einen hydraulischen aufzug
DE4007804A1 (de) * 1990-03-12 1991-09-19 Kloeckner Humboldt Deutz Ag Steuergeraet fuer einen hydraulisch betaetigten kraftheber
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly
EP0734992A2 (en) 1995-03-28 1996-10-02 Roy W. Blain Servo control for hydraulic elevator
US5593004A (en) * 1995-03-28 1997-01-14 Blain Roy W Servo control for hydraulic elevator
EP0734992A3 (en) * 1995-03-28 1998-05-06 Roy W. Blain Servo control for hydraulic elevator
USRE36022E (en) * 1995-03-28 1999-01-05 Blain; Roy W. Servo control for hydraulic elevator

Also Published As

Publication number Publication date
DE2108202C3 (de) 1979-11-22
DE2108202B2 (de) 1979-03-29
FR2125526B1 (enrdf_load_stackoverflow) 1976-10-29
FR2125526A1 (enrdf_load_stackoverflow) 1972-09-29
IT948807B (it) 1973-06-11
CH541506A (de) 1973-09-15
DE2108202A1 (de) 1972-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years