GB1526681A - Unitary elevator up level control valve - Google Patents

Unitary elevator up level control valve

Info

Publication number
GB1526681A
GB1526681A GB200/77A GB20077A GB1526681A GB 1526681 A GB1526681 A GB 1526681A GB 200/77 A GB200/77 A GB 200/77A GB 20077 A GB20077 A GB 20077A GB 1526681 A GB1526681 A GB 1526681A
Authority
GB
United Kingdom
Prior art keywords
valve member
chamber
line
ram
passage
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
GB200/77A
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.)
Elevator Equipment Co
Original Assignee
Elevator Equipment 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 Elevator Equipment Co filed Critical Elevator Equipment Co
Publication of GB1526681A publication Critical patent/GB1526681A/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
    • Y10T137/87185—Controlled by supply or exhaust valve
    • 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
    • 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
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y10T137/87837—Spring bias
    • Y10T137/87845—For valve having a ball head
    • 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
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y10T137/87837—Spring bias
    • Y10T137/87861—Spring coaxial with valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Types And Forms Of Lifts (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
GB200/77A 1976-03-12 1977-01-05 Unitary elevator up level control valve Expired GB1526681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/666,235 US4011888A (en) 1976-03-12 1976-03-12 Unitary elevator up level control valve

Publications (1)

Publication Number Publication Date
GB1526681A true GB1526681A (en) 1978-09-27

Family

ID=24673363

Family Applications (1)

Application Number Title Priority Date Filing Date
GB200/77A Expired GB1526681A (en) 1976-03-12 1977-01-05 Unitary elevator up level control valve

Country Status (4)

Country Link
US (1) US4011888A (US06815460-20041109-C00097.png)
DE (1) DE2703349C3 (US06815460-20041109-C00097.png)
FR (1) FR2343950A1 (US06815460-20041109-C00097.png)
GB (1) GB1526681A (US06815460-20041109-C00097.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173284A (en) * 1985-04-05 1986-10-08 Husco Int Inc Hydraulic control valve with independently operable bypass valve

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556423A (en) * 1976-07-23 1979-11-21 Bullough Ltd Valve means for use in controlling operation of a hydraulic motor
EP0039586B1 (en) * 1980-05-07 1984-09-12 Normalair-Garrett (Holdings) Limited Hydraulic pressure control valve
ZA825477B (en) * 1981-08-21 1983-06-29 Sperry Corp Hydraulic control system
US4500069A (en) * 1982-02-05 1985-02-19 Duff-Norton Co. Hydraulic directional control valve
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
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
US5374794A (en) * 1993-12-09 1994-12-20 United States Elevator Corp. Elevator control valve assembly
DE29515295U1 (de) * 1995-09-23 1995-11-23 Festo Kg, 73734 Esslingen Ventil
US6619321B2 (en) 2000-08-18 2003-09-16 Parker-Hannifin Corporation Stream switching system
US6799739B1 (en) 2003-11-24 2004-10-05 The Boeing Company Aircraft control surface drive system and associated methods
US7424350B2 (en) * 2004-02-02 2008-09-09 The Boeing Company Vehicle control systems and corresponding sizing methods
US7357358B2 (en) * 2004-02-27 2008-04-15 The Boeing Company Aircraft leading edge device systems and corresponding sizing methods
US7494094B2 (en) 2004-09-08 2009-02-24 The Boeing Company Aircraft wing systems for providing differential motion to deployable lift devices
US7823602B2 (en) * 2004-12-18 2010-11-02 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hydraulic system having at least one hydraulic valve for actuating a component
US7322547B2 (en) * 2005-01-31 2008-01-29 The Boeing Company Aerospace vehicle leading edge slat devices and corresponding methods
US7338018B2 (en) * 2005-02-04 2008-03-04 The Boeing Company Systems and methods for controlling aircraft flaps and spoilers
US7610928B2 (en) * 2005-02-22 2009-11-03 Swagelok Company Valve and actuator assemblies
US7309043B2 (en) * 2005-04-27 2007-12-18 The Boeing Company Actuation device positioning systems and associated methods, including aircraft spoiler droop systems
US7721999B2 (en) * 2005-05-20 2010-05-25 The Boeing Company Aerospace vehicle fairing systems and associated methods
US7500641B2 (en) * 2005-08-10 2009-03-10 The Boeing Company Aerospace vehicle flow body systems and associated methods
US7611099B2 (en) * 2005-09-07 2009-11-03 The Boeing Company Seal assemblies for use with drooped spoilers and other control surfaces on aircraft
US7708231B2 (en) * 2005-11-21 2010-05-04 The Boeing Company Aircraft trailing edge devices, including devices having forwardly positioned hinge lines, and associated methods
US7475854B2 (en) * 2005-11-21 2009-01-13 The Boeing Company Aircraft trailing edge devices, including devices with non-parallel motion paths, and associated methods
US7578484B2 (en) * 2006-06-14 2009-08-25 The Boeing Company Link mechanisms for gapped rigid krueger flaps, and associated systems and methods
US7954769B2 (en) 2007-12-10 2011-06-07 The Boeing Company Deployable aerodynamic devices with reduced actuator loads, and related systems and methods
US7766282B2 (en) * 2007-12-11 2010-08-03 The Boeing Company Trailing edge device catchers and associated systems and methods
US8382045B2 (en) 2009-07-21 2013-02-26 The Boeing Company Shape-changing control surface
DE102010007149B4 (de) * 2010-02-05 2011-09-01 Voith Patent Gmbh Füllsteuerungsvorrichtung für eine hydrodynamische Maschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108202C3 (de) * 1971-02-20 1979-11-22 7100 Heilbronn Hubfahrsteuereinrichtung für einen hydraulischen Aufzug
US3707166A (en) * 1971-05-12 1972-12-26 Elevator Equip Unit valve for hydraulic elevator control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173284A (en) * 1985-04-05 1986-10-08 Husco Int Inc Hydraulic control valve with independently operable bypass valve

Also Published As

Publication number Publication date
DE2703349A1 (de) 1977-09-15
US4011888A (en) 1977-03-15
DE2703349C3 (de) 1981-01-15
FR2343950B3 (US06815460-20041109-C00097.png) 1979-09-21
DE2703349B2 (de) 1980-04-17
FR2343950A1 (fr) 1977-10-07

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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