IT1191887B - Perfezionamento nei sistemi di controllo di azionamento per ascensori idraulici e simili - Google Patents

Perfezionamento nei sistemi di controllo di azionamento per ascensori idraulici e simili

Info

Publication number
IT1191887B
IT1191887B IT47989/86A IT4798986A IT1191887B IT 1191887 B IT1191887 B IT 1191887B IT 47989/86 A IT47989/86 A IT 47989/86A IT 4798986 A IT4798986 A IT 4798986A IT 1191887 B IT1191887 B IT 1191887B
Authority
IT
Italy
Prior art keywords
hydraulic
improvement
drive control
control systems
lifts
Prior art date
Application number
IT47989/86A
Other languages
English (en)
Italian (it)
Other versions
IT8647989A0 (it
Inventor
Roy W Blain
Original Assignee
Roy W Blain
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 Roy W Blain filed Critical Roy W Blain
Publication of IT8647989A0 publication Critical patent/IT8647989A0/it
Application granted granted Critical
Publication of IT1191887B publication Critical patent/IT1191887B/it

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
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/045—Compensating for variations in viscosity or temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)
  • Fluid-Pressure Circuits (AREA)
IT47989/86A 1985-10-09 1986-05-06 Perfezionamento nei sistemi di controllo di azionamento per ascensori idraulici e simili IT1191887B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/785,780 US4637495A (en) 1985-10-09 1985-10-09 Pressure/viscosity compensated up travel for a hydraulic elevator

Publications (2)

Publication Number Publication Date
IT8647989A0 IT8647989A0 (it) 1986-05-06
IT1191887B true IT1191887B (it) 1988-03-23

Family

ID=25136602

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47989/86A IT1191887B (it) 1985-10-09 1986-05-06 Perfezionamento nei sistemi di controllo di azionamento per ascensori idraulici e simili

Country Status (5)

Country Link
US (1) US4637495A (enExample)
JP (1) JPH066470B2 (enExample)
DE (1) DE3617666A1 (enExample)
GB (1) GB2182725B (enExample)
IT (1) IT1191887B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI83204C (fi) * 1987-11-04 1991-06-10 Kone Oy Foerfarande och anordning foer foerbaettring av verkningsgraden hos en motorstyrd hydraulhiss.
ATE96406T1 (de) * 1988-12-16 1993-11-15 Gmv Martini Spa Hydraulisches aufzugssystem.
FI87918C (fi) * 1989-12-19 1993-03-10 Kone Oy Styrventil foer en hydraulisk hiss
FI87917C (fi) * 1989-12-19 1993-03-10 Kone Oy Styrventil foer en hydraulisk hiss
US5040639A (en) * 1990-01-31 1991-08-20 Kawasaki Jukogyo Kabushiki Kaisha Elevator valve apparatus
FI88012C (sv) * 1990-06-04 1993-03-25 Kone Oy Förfarande och anordning för styrning av en hydraulhiss vid inkörning till plan
JPH07109207B2 (ja) * 1990-10-18 1995-11-22 新キャタピラー三菱株式会社 負荷圧力補償型ロジック弁
US5212951A (en) * 1991-05-16 1993-05-25 Otis Elevator Company Hydraulic elevator control valve
US5232070A (en) * 1991-08-15 1993-08-03 Blain Roy W Up leveling control system for small elevators
JP2000508614A (ja) * 1997-02-06 2000-07-11 ベーリンガー―ヒィドラウリク・アクチェンゲゼルシャフト 液圧式昇降機を制御する方法および装置
US5992573A (en) * 1997-09-24 1999-11-30 Blain; Roy W. Elevator up start
DE50002755D1 (de) * 1999-08-25 2003-08-07 Bucher Hydraulics Ag Neuheim Hydraulischer aufzug mit einem als gegengewicht wirkenden druckspeicher und verfahren zum steuern und regeln eines solchen aufzugs
CH694763A5 (de) * 2000-07-03 2005-07-15 Wittur Ag Steuerventileinheit für einen hydraulischen Aufzug.
US6742629B2 (en) 2000-07-03 2004-06-01 Wittur Ag Valve control unit for a hydraulic elevator
AT503040B1 (de) * 2005-12-12 2007-07-15 Lcm Gmbh Verfahren und vorrichtung zur steuerung eines hydraulischen aufzugs
RU2347954C1 (ru) * 2007-10-16 2009-02-27 Вера Семеновна Рождественская Блок распределительный
WO2013017142A1 (de) 2011-08-04 2013-02-07 Roland Bisig Ventil
US10611600B2 (en) * 2017-06-26 2020-04-07 Otis Elevator Company Hydraulic elevator system with position or speed based valve control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141386A (en) * 1962-01-15 1964-07-21 Robert F Loughridge Hydraulic control apparatus and systems
US3474811A (en) * 1967-10-16 1969-10-28 Elevator Equip Pressure-temperature compensated hydraulic valve regulator
GB1270935A (en) * 1968-08-16 1972-04-19 Tmm Research Ltd Improvements relating to the spinning of textile yarns
DE2108202C3 (de) * 1971-02-20 1979-11-22 7100 Heilbronn Hubfahrsteuereinrichtung für einen hydraulischen Aufzug
DE2358057C2 (de) * 1973-02-15 1984-09-06 Maxton Manufacturing Co., Los Angeles, Calif. Hydraulische Steueranlage
US3977497A (en) * 1975-02-26 1976-08-31 Armor Elevator Company, Inc. Hydraulic elevator drive system
DE2658928A1 (de) * 1976-12-24 1978-07-06 Beringer Hydraulik Gmbh Hydraulische steuerung
JPS57126369A (en) * 1981-01-29 1982-08-06 Mitsubishi Electric Corp Controller for speed of hydraulic elevator
JPS58207261A (ja) * 1982-05-28 1983-12-02 株式会社日立製作所 油圧エレベ−タの制御弁装置
JPS59203074A (ja) * 1983-05-06 1984-11-17 株式会社日立製作所 油圧エレベ−タ

Also Published As

Publication number Publication date
JPS6288785A (ja) 1987-04-23
DE3617666C2 (enExample) 1993-06-17
US4637495A (en) 1987-01-20
GB8607527D0 (en) 1986-04-30
JPH066470B2 (ja) 1994-01-26
IT8647989A0 (it) 1986-05-06
GB2182725A (en) 1987-05-20
GB2182725B (en) 1989-09-27
DE3617666A1 (de) 1987-04-09

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