FI782653A - Synkroniserande hydraulisk regleringsventil - Google Patents

Synkroniserande hydraulisk regleringsventil

Info

Publication number
FI782653A
FI782653A FI782653A FI782653A FI782653A FI 782653 A FI782653 A FI 782653A FI 782653 A FI782653 A FI 782653A FI 782653 A FI782653 A FI 782653A FI 782653 A FI782653 A FI 782653A
Authority
FI
Finland
Prior art keywords
regleringsventil
synchronous hydraulic
synchronous
hydraulic
hydraulic regleringsventil
Prior art date
Application number
FI782653A
Other languages
English (en)
Inventor
Christopher Brodie Watson
Robert James Lester
Original Assignee
Coles Cranes Ltd
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 Coles Cranes Ltd filed Critical Coles Cranes Ltd
Publication of FI782653A publication Critical patent/FI782653A/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • F15B15/165—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type with synchronisation of sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
FI782653A 1977-08-31 1978-08-30 Synkroniserande hydraulisk regleringsventil FI782653A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3638877 1977-08-31

Publications (1)

Publication Number Publication Date
FI782653A true FI782653A (fi) 1979-03-01

Family

ID=10387692

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782653A FI782653A (fi) 1977-08-31 1978-08-30 Synkroniserande hydraulisk regleringsventil

Country Status (6)

Country Link
JP (1) JPS5452279A (fi)
DE (1) DE2838323A1 (fi)
FI (1) FI782653A (fi)
FR (1) FR2402093A1 (fi)
GB (1) GB2005773A (fi)
IT (1) IT1098800B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4131751A1 (de) * 1991-09-24 1993-03-25 Krupp Industrietech Hydromechanisches teleskopiersystem
EP0882895A1 (de) * 1997-06-04 1998-12-09 Inventio Ag Vorrichtung zur Synchronisation von Teleskopstempeln bei Hydraulikaufzügen
US6382080B1 (en) 1997-06-04 2002-05-07 Inventio Ag Apparatus for synchronization of telescopic rams in hydraulic elevators
US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
RU2540761C2 (ru) 2010-09-09 2015-02-10 Нэшнл Ойлвэлл Варко, Л.П. Внутрискважинное роторное буровое устройство с элементами, входящими в контакт с породой, и системой контроля
CN102052362A (zh) * 2010-12-28 2011-05-11 太仓高德升降机有限公司 同步液压缸装置
CN107559259A (zh) * 2017-08-25 2018-01-09 中国水利水电科学研究院 液压控制***及合页坝总成

Also Published As

Publication number Publication date
IT1098800B (it) 1985-09-18
DE2838323A1 (de) 1979-03-08
IT7827240A0 (it) 1978-08-31
GB2005773A (en) 1979-04-25
FR2402093A1 (fr) 1979-03-30
JPS5452279A (en) 1979-04-24

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