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FR2121841A1 - - Google Patents

Info

Publication number
FR2121841A1
FR2121841A1 FR7201194A FR7201194A FR2121841A1 FR 2121841 A1 FR2121841 A1 FR 2121841A1 FR 7201194 A FR7201194 A FR 7201194A FR 7201194 A FR7201194 A FR 7201194A FR 2121841 A1 FR2121841 A1 FR 2121841A1
Authority
FR
France
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.)
Granted
Application number
FR7201194A
Other languages
French (fr)
Other versions
FR2121841B1 (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.)
Metz Carl GmbH
Original Assignee
Metz Carl GmbH
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 Metz Carl GmbH filed Critical Metz Carl GmbH
Publication of FR2121841A1 publication Critical patent/FR2121841A1/fr
Application granted granted Critical
Publication of FR2121841B1 publication Critical patent/FR2121841B1/fr
Expired legal-status Critical Current

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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Magnetically Actuated Valves (AREA)
FR7201194A 1971-01-14 1972-01-14 Expired FR2121841B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101493 DE2101493C3 (en) 1971-01-14 1971-01-14 Electromagnetically operated hydraulic directional valve

Publications (2)

Publication Number Publication Date
FR2121841A1 true FR2121841A1 (en) 1972-08-25
FR2121841B1 FR2121841B1 (en) 1978-09-08

Family

ID=5795808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7201194A Expired FR2121841B1 (en) 1971-01-14 1972-01-14

Country Status (2)

Country Link
DE (1) DE2101493C3 (en)
FR (1) FR2121841B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038128A1 (en) * 1980-04-04 1981-10-21 General Signal Corporation Electro-hydraulic servo activator system
FR2529635A1 (en) * 1982-07-03 1984-01-06 Bosch Gmbh Robert Electromagnetic proportional displacement valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422102B (en) * 1980-01-24 1982-02-15 Olsbergs Hydraulic Ab ELECTRO-HYDRAULIC STELLDON
JPS571807A (en) * 1980-06-04 1982-01-07 Hitachi Ltd Hydraulic servo-valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751752A (en) * 1953-04-17 1956-06-26 Northrop Aircraft Inc Electric-hydraulic flap control system
FR1374802A (en) * 1963-11-15 1964-10-09 Teves Kg Alfred electromagnet with slide valve
US3260273A (en) * 1960-04-04 1966-07-12 Sanders Associates Inc Motor valve having differential pressure feedback
FR2004585A1 (en) * 1968-03-23 1969-11-28 Fischbach Alfred

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751752A (en) * 1953-04-17 1956-06-26 Northrop Aircraft Inc Electric-hydraulic flap control system
US3260273A (en) * 1960-04-04 1966-07-12 Sanders Associates Inc Motor valve having differential pressure feedback
FR1374802A (en) * 1963-11-15 1964-10-09 Teves Kg Alfred electromagnet with slide valve
FR2004585A1 (en) * 1968-03-23 1969-11-28 Fischbach Alfred

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038128A1 (en) * 1980-04-04 1981-10-21 General Signal Corporation Electro-hydraulic servo activator system
FR2529635A1 (en) * 1982-07-03 1984-01-06 Bosch Gmbh Robert Electromagnetic proportional displacement valve

Also Published As

Publication number Publication date
DE2101493C3 (en) 1979-11-22
DE2101493A1 (en) 1974-08-22
DE2101493B2 (en) 1979-03-15
FR2121841B1 (en) 1978-09-08

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Legal Events

Date Code Title Description
TP Transmission of property