FR706622A - Advance device for percussion motors - Google Patents

Advance device for percussion motors

Info

Publication number
FR706622A
FR706622A FR706622DA FR706622A FR 706622 A FR706622 A FR 706622A FR 706622D A FR706622D A FR 706622DA FR 706622 A FR706622 A FR 706622A
Authority
FR
France
Prior art keywords
advance device
percussion
motors
percussion motors
advance
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
Other languages
French (fr)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR706622A publication Critical patent/FR706622A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
FR706622D 1930-06-27 1930-11-27 Advance device for percussion motors Expired FR706622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US464210A US1844874A (en) 1930-06-27 1930-06-27 Feeding device for percussive motors

Publications (1)

Publication Number Publication Date
FR706622A true FR706622A (en) 1931-06-27

Family

ID=23842977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706622D Expired FR706622A (en) 1930-06-27 1930-11-27 Advance device for percussion motors

Country Status (5)

Country Link
US (1) US1844874A (en)
BE (1) BE375293A (en)
DE (1) DE549638C (en)
FR (1) FR706622A (en)
GB (1) GB369961A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693733A (en) * 1950-02-09 1954-11-09 Joy Mfg Co Power hammer for mechanical tamping
US4332420A (en) * 1980-01-11 1982-06-01 Coski William D Reciprocably supported dual drive member and features thereof
WO1983004068A1 (en) * 1982-05-19 1983-11-24 William David Coski Reciprocably supported dual-drive member and features

Also Published As

Publication number Publication date
BE375293A (en)
DE549638C (en) 1932-04-29
GB369961A (en) 1932-03-21
US1844874A (en) 1932-02-09

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