BE667435A - - Google Patents

Info

Publication number
BE667435A
BE667435A BE667435DA BE667435A BE 667435 A BE667435 A BE 667435A BE 667435D A BE667435D A BE 667435DA BE 667435 A BE667435 A BE 667435A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE667435A publication Critical patent/BE667435A/xx

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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7787—Expansible chamber subject to differential pressures
    • Y10T137/7788—Pressures across fixed choke

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)
  • Fluid-Pressure Circuits (AREA)
BE667435D 1964-08-03 1965-07-26 BE667435A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US386829A US3302531A (en) 1964-08-03 1964-08-03 Elevator control system

Publications (1)

Publication Number Publication Date
BE667435A true BE667435A (xx) 1965-11-16

Family

ID=23527216

Family Applications (1)

Application Number Title Priority Date Filing Date
BE667435D BE667435A (xx) 1964-08-03 1965-07-26

Country Status (5)

Country Link
US (1) US3302531A (xx)
BE (1) BE667435A (xx)
CH (1) CH431865A (xx)
FR (1) FR1455287A (xx)
NO (1) NO126218B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376793A (en) * 1965-10-11 1968-04-09 Papadia Hydraulic flow regulating apparatus
US3508468A (en) * 1968-04-24 1970-04-28 Armor Elevator Co Inc Hydraulic elevator control valve
US3675676A (en) * 1971-04-09 1972-07-11 Sperry Rand Corp Power transmission
US4148248A (en) * 1975-03-11 1979-04-10 Maxton Manufacturing Company Hydraulic valve control system
US8091582B2 (en) 2007-04-13 2012-01-10 Cla-Val Co. System and method for hydraulically managing fluid pressure downstream from a main valve between set points
US20080251130A1 (en) 2007-04-13 2008-10-16 Cla-Val Co. System and method for hydraulically managing fluid pressure downstream from a main valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125319A (en) * 1964-03-17 Hydraulic elevator control system
US915084A (en) * 1908-09-03 1909-03-16 Rudolph Eberhard Leveling instrument.
US3020891A (en) * 1959-06-01 1962-02-13 Dover Corp Constant flow valve
US3020892A (en) * 1959-11-04 1962-02-13 Dover Corp Constant flow valve assembly

Also Published As

Publication number Publication date
US3302531A (en) 1967-02-07
FR1455287A (fr) 1966-04-01
CH431865A (de) 1967-03-15
NO126218B (xx) 1973-01-08

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