CH626823A5 - Hydraulic percussion apparatus - Google Patents

Hydraulic percussion apparatus Download PDF

Info

Publication number: CH626823A5
Authority: CH; Switzerland
Prior art keywords: piston; control valve; head; chamber; space
Prior art date: 1974-04-25

Application number

CH517975A

Other languages

German (de)

English (en)

Inventor

Pekka Salmi

Pentti Raunio

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.)

1974-04-25

Filing date

1975-04-23

Publication date

1981-12-15

1975-04-23 Application filed by Tampella Oy Ab filed Critical Tampella Oy Ab

1981-12-15 Publication of CH626823A5 publication Critical patent/CH626823A5/de

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)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Percussive Tools And Related Accessories (AREA)
Lock And Its Accessories (AREA)

CH517975A 1974-04-25 1975-04-23 Hydraulic percussion apparatus CH626823A5 (en)

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
CH626823A5 true CH626823A5 (en)	1981-12-15

Family

ID=8505353

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH517975A CH626823A5 (en)	1974-04-25	1975-04-23	Hydraulic percussion apparatus

Country Status (15)

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

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
DE69024978T2 (de) *	1990-07-12	1996-12-12	G Drill Ab	Gesteinsbohrgerät mit hydraulischem antrieb im bohrloch
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

1973
- 1973-04-09 RO RO7381944A patent/RO74260A/ro unknown
1974
- 1974-04-25 FI FI741267A patent/FI50940C/fi active
1975
- 1975-04-07 CS CS7500002378A patent/CS181292B2/cs unknown
- 1975-04-10 IT IT22205/75A patent/IT1037190B/it active
- 1975-04-10 GB GB1487875A patent/GB1478435A/en not_active Expired
- 1975-04-15 AT AT285975A patent/AT340347B/de not_active IP Right Cessation
- 1975-04-15 AT AT285875A patent/AT340346B/de not_active IP Right Cessation
- 1975-04-15 ZA ZA00752372A patent/ZA752372B/xx unknown
- 1975-04-15 ZA ZA00752371A patent/ZA752371B/xx unknown
- 1975-04-16 DE DE2516546A patent/DE2516546C2/de not_active Expired
- 1975-04-21 SE SE7504591A patent/SE423686B/xx not_active IP Right Cessation
- 1975-04-23 PL PL1975179882A patent/PL94933B1/pl unknown
- 1975-04-23 CH CH517975A patent/CH626823A5/de not_active IP Right Cessation
- 1975-04-24 JP JP5018775A patent/JPS554554B2/ja not_active Expired
- 1975-04-24 NO NO751476A patent/NO137349C/no unknown
- 1975-04-24 PL PL1975179896A patent/PL113145B1/pl unknown
- 1975-04-24 SU SU752127440A patent/SU776569A3/ru active
- 1975-04-25 FR FR7513061A patent/FR2268602B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2516546C2 (de)	1982-07-29
FR2268602B1 (it)	1982-02-19
FI50940B (it)	1976-05-31
ATA285875A (de)	1977-04-15
PL113145B1 (en)	1980-11-29
ZA752372B (en)	1976-03-31
FR2268602A1 (it)	1975-11-21
SU776569A3 (ru)	1980-10-30
JPS50144967A (it)	1975-11-21
DE2516546A1 (de)	1975-11-20
FI50940C (fi)	1976-09-10
JPS554554B2 (it)	1980-01-30
IT1037190B (it)	1979-11-10
ZA752371B (en)	1976-03-31
CS181292B2 (en)	1978-03-31
SE7504591L (sv)	1975-10-27
SE423686B (sv)	1982-05-24
PL94933B1 (it)	1977-09-30
NO137349C (no)	1978-02-22
AT340347B (de)	1977-12-12
AU7993475A (en)	1976-10-14
NO751476L (it)	1975-10-28
RO74260A (ro)	1980-10-30
FI126774A (it)	1975-10-26
AT340346B (de)	1977-12-12
GB1478435A (en)	1977-06-29
ATA285975A (de)	1977-04-15
NO137349B (no)	1977-11-07

Publication	Publication Date	Title
DE2516810C3 (de)	1980-10-16	Mit Druckflüssigkeit betriebener Schlagapparat
DE69426263T2 (de)	2001-05-17	Druckumkehrventil für einen schlagbohrapparat
DE3215106A1 (de)	1982-12-09	Hydraulischer abbruch- oder steinbohrer
DE3347605C2 (de)	1995-06-29	Pneumatisches Werkzeug
DE2643483C3 (de)	1980-10-02	Hydraulischer Schlagapparat
DE2316526A1 (de)	1973-10-18	Pressluftwerkzeug
CH636407A5 (de)	1983-05-31	Ventilsteuerung fuer rammbohrgeraete.
CH626823A5 (en)	1981-12-15	Hydraulic percussion apparatus
DE2728299A1 (de)	1978-01-05	Druckmittelbetriebener antrieb
DE2944023A1 (de)	1980-06-12	Schlagwerkzeug
DE2024501C3 (de)	1975-07-03	Schlaggerät mit hydraulisch hin- und herbewegtem Arbeitskolben
DD271063A5 (de)	1989-08-23	Druckluftpatrone
DE2710561A1 (de)	1978-09-21	Handwerkzeugmaschine
DE1478805A1 (de)	1969-03-06	Steuerorgan fuer ein mit Druckluft betriebenes Geraet zum Eintreiben von Halte- und Befestigungsmitteln
DE69420713T2 (de)	2000-05-31	Durch druckmittel angetriebene vorrichtung die eine lineare bewegung ausführt
DE1907788A1 (de)	1970-11-05	Steuerventileinrichtung fuer ein mit Druckluft betriebenes Schlaggeraet
DE574249C (de)	1933-04-11	Tragbares pneumatisches Werkzeug
DE583147C (de)	1933-08-29	Luftableitungs- und Leckfluessigkeitsableitvorrichtung bei Kolbenfluessigkeitsmessern
DE143406C (it)
DE843663C (de)	1952-07-10	Fluessigkeitspumpe mit Schiebersteuerung
DE2708512A1 (de)	1978-08-31	Hydraulisches schlaggeraet
DE1709401B2 (de)	1978-07-06	AnlaBvorrichtung für einen Diesel-Rammhammer
AT57390B (de)	1913-01-25	Luftdruckhammer.
DE322066C (de)	1920-06-19	Explosionspumpe mit schwingendem Fluessigkeitskolben
DE471218C (de)	1929-02-09	Injektor mit zwei Schlabberwasserauslasskanaelen

Legal Events

Date	Code	Title	Description
1993-12-31	PL	Patent ceased
2024-10-31	PL	Patent ceased