FI752909A7 - - Google Patents

Info

Publication number
FI752909A7
FI752909A7 FI752909A FI752909A FI752909A7 FI 752909 A7 FI752909 A7 FI 752909A7 FI 752909 A FI752909 A FI 752909A FI 752909 A FI752909 A FI 752909A FI 752909 A7 FI752909 A7 FI 752909A7
Authority
FI
Finland
Application number
FI752909A
Other languages
Finnish (fi)
Other versions
FI56430C (fi
FI56430B (fi
Inventor
Pekka Salmi
Original Assignee
Tampella Oy Ab
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 Tampella Oy Ab filed Critical Tampella Oy Ab
Priority to FI752909A priority Critical patent/FI56430C/fi
Priority to DE2643483A priority patent/DE2643483C3/de
Priority to CH1232376A priority patent/CH597776A5/xx
Priority to GB40700/76A priority patent/GB1516566A/en
Priority to AT726776A priority patent/AT348967B/de
Priority to SE7611592A priority patent/SE411431B/xx
Priority to JP51125434A priority patent/JPS5250901A/ja
Priority to FR7631566A priority patent/FR2328547A1/fr
Priority to US05/734,038 priority patent/US4070949A/en
Publication of FI752909A7 publication Critical patent/FI752909A7/fi
Application granted granted Critical
Publication of FI56430B publication Critical patent/FI56430B/fi
Publication of FI56430C publication Critical patent/FI56430C/fi

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
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
    • F01L21/04—Valves arranged in or on piston or piston-rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/03—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction
    • F03C1/035—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction one single-acting piston being always under the influence of the liquid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002—Pressure accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
FI752909A 1975-10-20 1975-10-20 Slaganordning driven av en tryckvaetska FI56430C (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI752909A FI56430C (fi) 1975-10-20 1975-10-20 Slaganordning driven av en tryckvaetska
DE2643483A DE2643483C3 (de) 1975-10-20 1976-09-27 Hydraulischer Schlagapparat
CH1232376A CH597776A5 (OSRAM) 1975-10-20 1976-09-29
AT726776A AT348967B (de) 1975-10-20 1976-09-30 Schlagapparat, welcher von einer druckfluessigkeit getrieben ist
GB40700/76A GB1516566A (en) 1975-10-20 1976-09-30 Hydraulic percussive device
SE7611592A SE411431B (sv) 1975-10-20 1976-10-19 Slagapparat driven av en tryckvetska
JP51125434A JPS5250901A (en) 1975-10-20 1976-10-19 Hydraulic impact device
FR7631566A FR2328547A1 (fr) 1975-10-20 1976-10-20 Appareil de percussion hydraulique
US05/734,038 US4070949A (en) 1975-10-20 1976-10-20 Hydraulic striking apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI752909 1975-10-20
FI752909A FI56430C (fi) 1975-10-20 1975-10-20 Slaganordning driven av en tryckvaetska

Publications (3)

Publication Number Publication Date
FI752909A7 true FI752909A7 (OSRAM) 1977-04-21
FI56430B FI56430B (fi) 1979-09-28
FI56430C FI56430C (fi) 1982-08-09

Family

ID=8509481

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752909A FI56430C (fi) 1975-10-20 1975-10-20 Slaganordning driven av en tryckvaetska

Country Status (9)

Country Link
US (1) US4070949A (OSRAM)
JP (1) JPS5250901A (OSRAM)
AT (1) AT348967B (OSRAM)
CH (1) CH597776A5 (OSRAM)
DE (1) DE2643483C3 (OSRAM)
FI (1) FI56430C (OSRAM)
FR (1) FR2328547A1 (OSRAM)
GB (1) GB1516566A (OSRAM)
SE (1) SE411431B (OSRAM)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556754A (en) * 1976-12-10 1979-11-28 Af Hydraulics Hydraulically-actuated percussive device with overstroke damping
FR2509217A1 (fr) * 1981-07-10 1983-01-14 Montabert Ets Appareil a percussions mu par un fluide sous pression
SE8205029L (sv) * 1981-11-05 1983-05-06 Ingersoll Rand Co Hydrauldriven fram- och atergaende maskin
FR2531138A1 (fr) * 1982-07-29 1984-02-03 Inst Avtomatiki Akademii Dispositif de percussion notamment pour machine hydraulique de forage de puits
BG38432A1 (en) * 1983-05-30 1985-12-16 Georgiev Hydraulic percussion mechanism
BG38433A1 (en) * 1983-05-30 1985-12-16 Georgiev Hydraulic percussion mechanism
FI72178C (fi) * 1983-10-28 1987-04-13 Tampella Oy Ab Med rotationsmaskineri foersedd tryckmediedriven slagborrmaskin.
JPH02304204A (ja) * 1989-05-12 1990-12-18 Indeco Spa バルブの制御方法及びバルブ
IT1230342B (it) * 1989-07-14 1991-10-18 Oleotec Di Musso Marco E C S A Dispositivo di comando per valvole di distribuzione in martelli oleodinamici.
CA2048374A1 (en) * 1990-08-06 1992-02-07 Bernard L. Gien Hydraulic hammer
DE4143475C2 (de) * 1991-03-15 1997-05-28 Tracto Technik Schlaggerät, insbesondere selbstgetriebenes Rammbohrgerät
US5301761A (en) * 1993-03-09 1994-04-12 Ingersoll-Rand Company Pressure reversing valve for a fluid-actuated, percussive drilling apparatus
JPH08511841A (ja) * 1993-04-21 1996-12-10 ロバーツ ブリッグス，ロジャー さく岩機
US5730230A (en) * 1995-08-15 1998-03-24 Sisler; John S. Rotary percussion drill
GB9802034D0 (en) * 1998-01-31 1998-03-25 Caldervale Engineering Service Fluid actuated tool
FI114290B (fi) * 2003-02-21 2004-09-30 Sandvik Tamrock Oy Ohjausventtiili ja järjestely iskulaitteessa
SE529615C2 (sv) * 2006-02-20 2007-10-09 Atlas Copco Rock Drills Ab Slagverk och bergborrmaskin samt förfarande för att styra slagkolvens slaglängd
EP2865493A1 (en) * 2013-10-23 2015-04-29 Sandvik Mining and Construction Oy Percussion device
EP3023199B1 (en) * 2014-11-20 2019-02-27 Sandvik Mining and Construction Oy Percussion piston and method of use
EP3476542A4 (en) * 2016-06-28 2019-07-03 Furukawa Rock Drill Co., Ltd. Two-piston hydraulic striking device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1593606A (en) * 1925-06-24 1926-07-27 Ingersoll Rand Co Rock drill
FR1535970A (fr) * 1967-09-04 1968-08-09 Racine Hydraulics & Machinery Marteau hydraulique
US3739863A (en) * 1971-06-02 1973-06-19 M Wohlwend Reciprocating linear hydraulic motors
FI50390C (fi) * 1973-09-14 1976-03-10 Murskauskone Oy Hydraulisesti käytetty iskulaite
RO74260A (ro) * 1974-04-25 1980-10-30 Oy Tampella Ab,Fi Perforator percutant actionat cu lichid sub presiune

Also Published As

Publication number Publication date
DE2643483A1 (de) 1977-04-28
AT348967B (de) 1979-03-12
FI56430C (fi) 1982-08-09
ATA726776A (de) 1978-08-15
JPS5543866B2 (OSRAM) 1980-11-08
FR2328547B1 (OSRAM) 1981-11-27
US4070949A (en) 1978-01-31
FI56430B (fi) 1979-09-28
DE2643483C3 (de) 1980-10-02
SE411431B (sv) 1979-12-27
GB1516566A (en) 1978-07-05
CH597776A5 (OSRAM) 1978-04-14
SE7611592L (sv) 1977-04-21
FR2328547A1 (fr) 1977-05-20
JPS5250901A (en) 1977-04-23
DE2643483B2 (de) 1980-02-07

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: OY TAMPELLA AB