ATE94451T1 - Bohrhammer-steuerventil. - Google Patents

Bohrhammer-steuerventil.

Info

Publication number
ATE94451T1
ATE94451T1 AT91109771T AT91109771T ATE94451T1 AT E94451 T1 ATE94451 T1 AT E94451T1 AT 91109771 T AT91109771 T AT 91109771T AT 91109771 T AT91109771 T AT 91109771T AT E94451 T1 ATE94451 T1 AT E94451T1
Authority
AT
Austria
Prior art keywords
disc
housing
gap
pin
control valve
Prior art date
Application number
AT91109771T
Other languages
English (en)
Inventor
Ralf Buczek
Hans-Philipp Walter
Original Assignee
Walter Hans Philipp
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 Walter Hans Philipp filed Critical Walter Hans Philipp
Application granted granted Critical
Publication of ATE94451T1 publication Critical patent/ATE94451T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling Tools (AREA)
AT91109771T 1990-07-13 1991-06-14 Bohrhammer-steuerventil. ATE94451T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9010550U DE9010550U1 (de) 1990-07-13 1990-07-13 Bohrhammer-Steuerventil
EP91109771A EP0465864B1 (de) 1990-07-13 1991-06-14 Bohrhammer-Steuerventil

Publications (1)

Publication Number Publication Date
ATE94451T1 true ATE94451T1 (de) 1993-10-15

Family

ID=6855571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91109771T ATE94451T1 (de) 1990-07-13 1991-06-14 Bohrhammer-steuerventil.

Country Status (3)

Country Link
EP (1) EP0465864B1 (de)
AT (1) ATE94451T1 (de)
DE (2) DE9010550U1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB321122A (en) * 1929-01-29 1929-10-31 George Henry Turton Rayner Improvements in, or relating to, percussive tools
GB340921A (en) * 1929-06-14 1931-01-08 Atlas Diesel Ab Improvements in rock drilling machines
GB630743A (en) * 1946-12-14 1949-10-20 Ingersoll Rand Co Improvements in or relating to valve mechanisms for rock drills
US3225841A (en) * 1962-08-31 1965-12-28 Joy Mfg Co Drilling apparatus

Also Published As

Publication number Publication date
EP0465864B1 (de) 1993-09-15
DE9010550U1 (de) 1990-12-13
DE59100379D1 (de) 1993-10-21
EP0465864A1 (de) 1992-01-15

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee