IT7827240A0 - Perfezionamenti nelle apparecchiature di sincronizzazione di valvole di regolazione. - Google Patents

Perfezionamenti nelle apparecchiature di sincronizzazione di valvole di regolazione.

Info

Publication number
IT7827240A0
IT7827240A0 IT7827240A IT2724078A IT7827240A0 IT 7827240 A0 IT7827240 A0 IT 7827240A0 IT 7827240 A IT7827240 A IT 7827240A IT 2724078 A IT2724078 A IT 2724078A IT 7827240 A0 IT7827240 A0 IT 7827240A0
Authority
IT
Italy
Prior art keywords
regulating valve
synchronization equipment
valve synchronization
equipment
regulating
Prior art date
Application number
IT7827240A
Other languages
English (en)
Other versions
IT1098800B (it
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 IT7827240A0 publication Critical patent/IT7827240A0/it
Application granted granted Critical
Publication of IT1098800B publication Critical patent/IT1098800B/it

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)
IT27240/78A 1977-08-31 1978-08-31 Perfezionamenti nelle apparecchiature di sincronizzazione di valvole di regolazione IT1098800B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7827240A0 true IT7827240A0 (it) 1978-08-31
IT1098800B IT1098800B (it) 1985-09-18

Family

ID=10387692

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27240/78A IT1098800B (it) 1977-08-31 1978-08-31 Perfezionamenti nelle apparecchiature di sincronizzazione di valvole di regolazione

Country Status (6)

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

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
CN103221626B (zh) 2010-09-09 2015-07-15 国民油井华高有限公司 具有地层接口构件和控制系统的井下旋转式钻井设备
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
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
CN107559259B (zh) * 2017-08-25 2024-08-09 中国水利水电科学研究院 液压控制系统及合页坝总成

Also Published As

Publication number Publication date
DE2838323A1 (de) 1979-03-08
FR2402093A1 (fr) 1979-03-30
GB2005773A (en) 1979-04-25
IT1098800B (it) 1985-09-18
FI782653A (fi) 1979-03-01
JPS5452279A (en) 1979-04-24

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