RO74260A - Perforateur percutant actione a liquide sous pression - Google Patents

Perforateur percutant actione a liquide sous pression

Info

Publication number
RO74260A
RO74260A RO7381944A RO8194473A RO74260A RO 74260 A RO74260 A RO 74260A RO 7381944 A RO7381944 A RO 7381944A RO 8194473 A RO8194473 A RO 8194473A RO 74260 A RO74260 A RO 74260A
Authority
RO
Romania
Prior art keywords
perforater
powerful
pressure liquid
liquid
pressure
Prior art date
Application number
RO7381944A
Other languages
English (en)
Romanian (ro)
Inventor
Pekka Salmi
Pentti Raunio
Original Assignee
Oy Tampella Ab,Fi
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 Oy Tampella Ab,Fi filed Critical Oy Tampella Ab,Fi
Publication of RO74260A publication Critical patent/RO74260A/fr

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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • 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
    • 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
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Lock And Its Accessories (AREA)
RO7381944A 1974-04-25 1973-04-09 Perforateur percutant actione a liquide sous pression RO74260A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI741267A FI50940C (fi) 1974-04-25 1974-04-25 Paineenalaisen nesteen avulla käytettävä iskulaite

Publications (1)

Publication Number Publication Date
RO74260A true RO74260A (fr) 1980-10-30

Family

ID=8505353

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7381944A RO74260A (fr) 1974-04-25 1973-04-09 Perforateur percutant actione a liquide sous pression

Country Status (15)

Country Link
JP (1) JPS554554B2 (fr)
AT (2) AT340347B (fr)
CH (1) CH626823A5 (fr)
CS (1) CS181292B2 (fr)
DE (1) DE2516546C2 (fr)
FI (1) FI50940C (fr)
FR (1) FR2268602B1 (fr)
GB (1) GB1478435A (fr)
IT (1) IT1037190B (fr)
NO (1) NO137349C (fr)
PL (2) PL94933B1 (fr)
RO (1) RO74260A (fr)
SE (1) SE423686B (fr)
SU (1) SU776569A3 (fr)
ZA (2) ZA752372B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56430C (fi) * 1975-10-20 1982-08-09 Tampella Oy Ab Slaganordning driven av en tryckvaetska
US4062411A (en) * 1975-12-05 1977-12-13 Gardner-Denver Company Hydraulic percussion tool with impact blow and frequency control
US4298074A (en) * 1976-08-09 1981-11-03 American Safety Equipment Corporation Surgical device using impulse motor
DE2654875A1 (de) * 1976-12-03 1978-06-08 Hausherr & Soehne Maschf Vorrichtung zum selbsttaetigen stillsetzen eines druckmittelbetriebenen schlaggeraetes
GB1556754A (en) * 1976-12-10 1979-11-28 Af Hydraulics Hydraulically-actuated percussive device with overstroke damping
SU745670A1 (ru) * 1977-01-04 1980-07-07 Институт Горного Дела Со Ан Ссср Воздухораспределительное устройство пневматических машин ударного действи
ES469097A1 (es) * 1978-03-31 1980-06-16 Crespo Jose T G Aparato hidraulico para producir impactos
DE3015696A1 (de) * 1980-04-24 1981-10-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Hyraulische antriebsvorrichtung fuer ein schlagwerkzeug
DK0543806T3 (da) * 1990-07-12 1996-05-06 G Drill Ab Bjergboremaskine med hydraulisk drev i borehullet
SE528033C2 (sv) * 2004-03-12 2006-08-15 Atlas Copco Constr Tools Ab Hydraulslagverk
FI124781B (fi) 2009-03-26 2015-01-30 Sandvik Mining & Constr Oy Iskulaite

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906244A (en) * 1958-02-24 1959-09-29 Sheldon L Christensen Hydraulic pavement breaker
DE1281370B (de) * 1963-09-06 1968-10-24 Krupp Gmbh Schlaggeraet mit hydraulisch hin- und herbewegten Kolben
GB1125755A (en) * 1965-04-23 1968-08-28 Vickers Ltd Improvements in or relating to hydraulically operated tools
DE1703753A1 (de) * 1968-07-05 1972-02-24 Ingbuero Dipl Ing Friedrich He Hydraulisch betriebene Schlagvorrichtung
US3796050A (en) * 1972-05-18 1974-03-12 Foster Miller Ass High energy rate actuator

Also Published As

Publication number Publication date
ATA285875A (de) 1977-04-15
DE2516546A1 (de) 1975-11-20
ATA285975A (de) 1977-04-15
AT340347B (de) 1977-12-12
CH626823A5 (en) 1981-12-15
JPS50144967A (fr) 1975-11-21
AT340346B (de) 1977-12-12
NO751476L (fr) 1975-10-28
JPS554554B2 (fr) 1980-01-30
AU7993475A (en) 1976-10-14
FR2268602B1 (fr) 1982-02-19
NO137349B (no) 1977-11-07
SE423686B (sv) 1982-05-24
GB1478435A (en) 1977-06-29
FI50940B (fr) 1976-05-31
IT1037190B (it) 1979-11-10
PL94933B1 (fr) 1977-09-30
SU776569A3 (ru) 1980-10-30
FI126774A (fr) 1975-10-26
FI50940C (fi) 1976-09-10
SE7504591L (sv) 1975-10-27
NO137349C (no) 1978-02-22
PL113145B1 (en) 1980-11-29
FR2268602A1 (fr) 1975-11-21
CS181292B2 (en) 1978-03-31
ZA752371B (en) 1976-03-31
DE2516546C2 (de) 1982-07-29
ZA752372B (en) 1976-03-31

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