BE472383A - - Google Patents

Info

Publication number
BE472383A
BE472383A BE472383DA BE472383A BE 472383 A BE472383 A BE 472383A BE 472383D A BE472383D A BE 472383DA BE 472383 A BE472383 A BE 472383A
Authority
BE
Belgium
Prior art keywords
piston
chamber
larger
working
working piston
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE472383A publication Critical patent/BE472383A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06Means for driving the impulse member
    • B25D9/10Means for driving the impulse member comprising a built-in internal-combustion engine
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00Percussion drilling
    • E21B1/12Percussion drilling with a reciprocating impulse member
    • E21B1/24Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
    • E21B1/32Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses
    • E21B1/34Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses the impulse member being a piston of an internal-combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
BE472383D BE472383A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE472383A true BE472383A (enrdf_load_stackoverflow)

Family

ID=121972

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472383D BE472383A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE472383A (enrdf_load_stackoverflow)

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