GB1464142A - Hydraulic control system - Google Patents

Hydraulic control system

Info

Publication number
GB1464142A
GB1464142A GB3291176A GB3291176A GB1464142A GB 1464142 A GB1464142 A GB 1464142A GB 3291176 A GB3291176 A GB 3291176A GB 3291176 A GB3291176 A GB 3291176A GB 1464142 A GB1464142 A GB 1464142A
Authority
GB
United Kingdom
Prior art keywords
control system
hydraulic control
maxton
mfg
heading
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
GB3291176A
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.)
Maxton Manufacturing Co
Original Assignee
Maxton Manufacturing Co
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 Maxton Manufacturing Co filed Critical Maxton Manufacturing Co
Publication of GB1464142A publication Critical patent/GB1464142A/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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87209—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)
  • Servomotors (AREA)
GB3291176A 1973-02-15 1974-01-25 Hydraulic control system Expired GB1464142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33298673A 1973-02-15 1973-02-15

Publications (1)

Publication Number Publication Date
GB1464142A true GB1464142A (en) 1977-02-09

Family

ID=23300764

Family Applications (3)

Application Number Title Priority Date Filing Date
GB3291176A Expired GB1464142A (en) 1973-02-15 1974-01-25 Hydraulic control system
GB362574A Expired GB1464141A (en) 1973-02-15 1974-01-25 Valve mechanism for an elevator hydraulic system
GB3346576A Expired GB1464143A (en) 1973-02-15 1974-01-25 Valve mechanism for a hydraulic elevator

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB362574A Expired GB1464141A (en) 1973-02-15 1974-01-25 Valve mechanism for an elevator hydraulic system
GB3346576A Expired GB1464143A (en) 1973-02-15 1974-01-25 Valve mechanism for a hydraulic elevator

Country Status (7)

Country Link
US (1) US4153074A (enExample)
JP (1) JPS6027842B2 (enExample)
DE (1) DE2358057C2 (enExample)
FR (1) FR2217576B1 (enExample)
GB (3) GB1464142A (enExample)
IT (1) IT1004940B (enExample)
SE (1) SE395516B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206688A (en) * 1978-06-09 1980-06-10 Caterpillar Tractor Co. Overrunning load control for hydraulic motors
JPS54162353A (en) 1978-06-13 1979-12-22 Toshiba Corp Hydraulic circuit for driving cargo handling apparatus
DE2837666A1 (de) * 1978-08-29 1980-03-06 Inter Hydraulik Gmbh Fuell- und auslassventil zur steuerung des hydraulikflusses, insbesondere bei pressen, abkantpressen und scheren
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
US4601366A (en) * 1983-04-22 1986-07-22 Blain Roy W Down valve for the down speed control of a hydraulic elevator
DE3434014A1 (de) * 1984-09-15 1986-03-20 Beringer-Hydraulik GmbH, Neuheim, Zug Hydraulische steuerung
JPS6249003A (ja) * 1985-08-28 1987-03-03 Taiyo Tekko Kk 弁装置
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
JPS63199969A (ja) * 1987-02-13 1988-08-18 Hitachi Ltd 流体制御弁
FI874147A0 (fi) * 1987-09-22 1987-09-22 Pentti Rita Ventilanordning.
US5232070A (en) * 1991-08-15 1993-08-03 Blain Roy W Up leveling control system for small elevators
US5395090A (en) * 1992-10-23 1995-03-07 Rosaen; Nils O. Valve for high pressure fluid systems
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly
US5651436A (en) * 1995-04-20 1997-07-29 Midwest Brake Bond Company Brake and clutch control system
CH694763A5 (de) * 2000-07-03 2005-07-15 Wittur Ag Steuerventileinheit für einen hydraulischen Aufzug.
HRP20020191A2 (en) * 2000-07-03 2004-02-29 Wittur Ag Valve control unit for a hydraulic elevator
CN101476573B (zh) * 2009-01-06 2010-12-08 重庆跃进机械厂有限公司 一种集成式电液比例控制阀

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1484674A (en) * 1923-05-16 1924-02-26 Ingersoll Rand Co Pilot valve for compressors
US1710055A (en) * 1928-02-13 1929-04-23 Patrick M Grant Fluid-pressure-operated valve
US2266415A (en) * 1941-03-31 1941-12-16 Watson Stillman Co Press
US2616262A (en) * 1950-03-11 1952-11-04 Bendix Aviat Corp Hydraulic piston stop
US2737197A (en) * 1950-05-31 1956-03-06 Dover Corp Hydraulic control apparatus
DE1090116B (de) * 1954-05-29 1960-09-29 Teves Kg Alfred Bremsdruckregler in hydraulischen Bremsbetaetigungsanlagen fuer Fahrzeuge, insbesondere Kraftfahrzeuge
US3091932A (en) * 1958-05-07 1963-06-04 Delman Co Time delay device
US2984982A (en) * 1960-02-11 1961-05-23 Dover Corp Fluid transmission with control system therefor
US3120880A (en) * 1960-12-23 1964-02-11 Dover Corp Hydraulic drive and control for elevators
US3141386A (en) * 1962-01-15 1964-07-21 Robert F Loughridge Hydraulic control apparatus and systems
CH378127A (fr) * 1962-05-29 1964-05-31 Fleury Claude Dispositif de commande du mouvement d'un organe de machine
US3162092A (en) * 1962-07-09 1964-12-22 Tomkins Johnson Company Cylinder cushion structure
US3330110A (en) * 1965-07-06 1967-07-11 Bryce I Sprayberry Fluid flow control system
US3399689A (en) * 1965-10-18 1968-09-03 Victor Equipment Co Control valve including independently operable pilot valves
US3393508A (en) * 1966-09-26 1968-07-23 Itt Hydraulic actuator having position responsive relief valve means
US3729020A (en) * 1970-04-30 1973-04-24 L Koci Pressure relief and drain valve

Also Published As

Publication number Publication date
DE2358057A1 (de) 1974-08-22
GB1464141A (en) 1977-02-09
SE395516B (sv) 1977-08-15
FR2217576B1 (enExample) 1979-01-26
GB1464143A (en) 1977-02-09
IT1004940B (it) 1976-07-20
DE2358057C2 (de) 1984-09-06
US4153074A (en) 1979-05-08
FR2217576A1 (enExample) 1974-09-06
JPS6027842B2 (ja) 1985-07-01
JPS49116475A (enExample) 1974-11-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee