FR2025670A1 - - Google Patents

Info

Publication number
FR2025670A1
FR2025670A1 FR6942317A FR6942317A FR2025670A1 FR 2025670 A1 FR2025670 A1 FR 2025670A1 FR 6942317 A FR6942317 A FR 6942317A FR 6942317 A FR6942317 A FR 6942317A FR 2025670 A1 FR2025670 A1 FR 2025670A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6942317A
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.)
Mobility Systems Inc
Original Assignee
Mobility Systems Inc
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 Mobility Systems Inc filed Critical Mobility Systems Inc
Publication of FR2025670A1 publication Critical patent/FR2025670A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/911—Fluid motor system incorporating electrical system

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)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
FR6942317A 1968-12-09 1969-12-08 Withdrawn FR2025670A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78202668A 1968-12-09 1968-12-09

Publications (1)

Publication Number Publication Date
FR2025670A1 true FR2025670A1 (fr) 1970-09-11

Family

ID=25124712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6942317A Withdrawn FR2025670A1 (fr) 1968-12-09 1969-12-08

Country Status (5)

Country Link
US (1) US3570243A (fr)
JP (1) JPS5018557B1 (fr)
DE (1) DE1961447A1 (fr)
FR (1) FR2025670A1 (fr)
GB (1) GB1254363A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753350A (en) * 1971-08-30 1973-08-21 Rotork Ltd Reversible hydraulic actuator with selectable fail-safe operation
US3762076A (en) * 1971-12-29 1973-10-02 Caterpillar Tractor Co Hoeing scraper control system
US3798525A (en) * 1972-05-18 1974-03-19 Gen Signal Corp Electro hydraulic steering system
US3977497A (en) * 1975-02-26 1976-08-31 Armor Elevator Company, Inc. Hydraulic elevator drive system
US4076457A (en) * 1976-09-17 1978-02-28 Standard Oil Company (Indiana) Downhole pump speed control
US4182126A (en) * 1978-09-11 1980-01-08 Logisticon, Inc. Fork lift hydraulic servo control valve
US4667472A (en) * 1984-12-28 1987-05-26 The Boeing Company Electric integrated actuator with variable gain hydraulic output
DE3767791D1 (de) * 1986-06-14 1991-03-07 Massey Ferguson Services Nv Betaetigungsvorrichtung fuer schlepperkraftheber.
US4932502A (en) * 1989-02-15 1990-06-12 Inventio Ag Hydraulic elevator system
JPH02221702A (ja) * 1989-02-22 1990-09-04 Nireco Corp 電気油圧サーボ装置
JP4802262B2 (ja) * 2009-02-17 2011-10-26 ジヤトコ株式会社 液圧制御装置
DE102010014383A1 (de) * 2010-04-06 2011-10-06 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Korrekturverfahren für eine Kupplungsaktuatorkennlinie
EP2813459A1 (fr) * 2013-06-14 2014-12-17 Kone Corporation Contrôleur de sécurité pour machine de levage

Also Published As

Publication number Publication date
JPS5018557B1 (fr) 1975-06-30
GB1254363A (en) 1971-11-24
DE1961447A1 (de) 1970-07-09
US3570243A (en) 1971-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse