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FR1536970A - Hydraulic and automatic trenching machine - Google Patents

Hydraulic and automatic trenching machine

Info

Publication number
FR1536970A
FR1536970A FR104952A FR104952A FR1536970A FR 1536970 A FR1536970 A FR 1536970A FR 104952 A FR104952 A FR 104952A FR 104952 A FR104952 A FR 104952A FR 1536970 A FR1536970 A FR 1536970A
Authority
FR
France
Prior art keywords
hydraulic
automatic
trenching machine
trenching
machine
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
FR104952A
Other languages
French (fr)
Inventor
James Richard Crampton
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
Priority to FR104952A priority Critical patent/FR1536970A/en
Priority to GB2067968A priority patent/GB1211757A/en
Application granted granted Critical
Publication of FR1536970A publication Critical patent/FR1536970A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/456—Control of the balance of torque or speed between pumps or motors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
FR104952A 1967-05-02 1967-05-02 Hydraulic and automatic trenching machine Expired FR1536970A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR104952A FR1536970A (en) 1967-05-02 1967-05-02 Hydraulic and automatic trenching machine
GB2067968A GB1211757A (en) 1967-05-02 1968-05-01 Improved machine for digging trenches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR104952A FR1536970A (en) 1967-05-02 1967-05-02 Hydraulic and automatic trenching machine

Publications (1)

Publication Number Publication Date
FR1536970A true FR1536970A (en) 1968-08-23

Family

ID=8630056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR104952A Expired FR1536970A (en) 1967-05-02 1967-05-02 Hydraulic and automatic trenching machine

Country Status (2)

Country Link
FR (1) FR1536970A (en)
GB (1) GB1211757A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211921A (en) * 1991-06-27 1993-05-18 Teledyne Industries, Inc. Process of making niobium oxide
WO1993000297A1 (en) * 1991-06-27 1993-01-07 Teledyne Industries, Inc. Process for the preparation of metal hydrides
US5234674A (en) * 1991-06-27 1993-08-10 Teledyne Industries, Inc. Process for the preparation of metal carbides
EP0591390A4 (en) * 1991-06-27 1994-08-24 Teledyne Ind Method for the preparation of niobium nitride
US5322548A (en) * 1991-06-27 1994-06-21 Teledyne Industries, Inc. Recovery of niobium metal

Also Published As

Publication number Publication date
GB1211757A (en) 1970-11-11

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