BE850812R - Dispositifs d'actionnement hydrauliques - Google Patents
Dispositifs d'actionnement hydrauliquesInfo
- Publication number
- BE850812R BE850812R BE174428A BE174428A BE850812R BE 850812 R BE850812 R BE 850812R BE 174428 A BE174428 A BE 174428A BE 174428 A BE174428 A BE 174428A BE 850812 R BE850812 R BE 850812R
- Authority
- BE
- Belgium
- Prior art keywords
- hydraulic actuation
- actuation devices
- devices
- hydraulic
- actuation
- Prior art date
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
- 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
-
- 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
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)
- Actuator (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69949376A | 1976-06-24 | 1976-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE850812R true BE850812R (fr) | 1977-05-16 |
Family
ID=24809573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE174428A BE850812R (fr) | 1976-06-24 | 1977-01-27 | Dispositifs d'actionnement hydrauliques |
Country Status (6)
Country | Link |
---|---|
US (1) | US4142447A (fi) |
JP (1) | JPS531602A (fi) |
BE (1) | BE850812R (fi) |
DE (1) | DE2728299A1 (fi) |
FI (1) | FI770462A (fi) |
FR (1) | FR2356017A2 (fi) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3400302A1 (de) * | 1984-01-03 | 1985-08-29 | Mannesmann AG, 4000 Düsseldorf | Hydraulisch betaetigte schlagvorrichtung |
ZA923131B (en) * | 1992-04-29 | 1993-10-29 | Ingersoll Rand Co | On-off valve for hydraulic rockdrill |
EP0919339A1 (en) * | 1996-07-25 | 1999-06-02 | Komatsu Ltd. | Hydraulically operated breaker with lost-motion prevention device |
US6889778B2 (en) * | 2003-01-31 | 2005-05-10 | Ingersoll-Rand Company | Rotary tool |
ITPN20040020U1 (it) * | 2004-11-25 | 2005-02-25 | Silvano Bordignon | Dispositivo vibratorio per evacuare articoli |
SE538675C2 (sv) * | 2012-02-17 | 2016-10-18 | Construction Tools Pc Ab | Slidventil, slaganordning & metod |
US9272400B2 (en) | 2012-12-12 | 2016-03-01 | Ingersoll-Rand Company | Torque-limited impact tool |
US9737978B2 (en) | 2014-02-14 | 2017-08-22 | Ingersoll-Rand Company | Impact tools with torque-limited swinging weight impact mechanisms |
CH711414A1 (de) * | 2015-08-13 | 2017-02-15 | Hatebur Umformmaschinen Ag | Vorrichtung zur Erzeugung impulsdynamischer Prozesskräfte. |
KR102317232B1 (ko) * | 2020-01-08 | 2021-10-22 | 주식회사 현대에버다임 | 유압 브레이커 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE286320C (fi) * | ||||
US1350342A (en) * | 1919-10-25 | 1920-08-24 | Ingersoll Rand Co | Valve for percussive tools |
US2867191A (en) * | 1955-08-01 | 1959-01-06 | Gewerk Eisenhuette Westfalia | Free piston vibrators |
US2932175A (en) * | 1956-10-30 | 1960-04-12 | Herrick L Johnston Inc | Pressure generator for liquefied gas |
US2937621A (en) * | 1957-07-13 | 1960-05-24 | Gewerk Eisenhuette Westfalia | Pneumatic engine |
US2921559A (en) * | 1957-10-08 | 1960-01-19 | Gewerk Eisenhuette Westfalia | Piston engine provided with control valve |
US3774502A (en) * | 1971-05-14 | 1973-11-27 | Krupp Gmbh | Hydraulic percussion device with pressure-responsive control of impact frequency |
CA1034837A (en) * | 1974-12-18 | 1978-07-18 | Eugene L. Krasnoff | Hydraulic actuator |
-
1977
- 1977-01-27 BE BE174428A patent/BE850812R/xx not_active IP Right Cessation
- 1977-02-11 FI FI770462A patent/FI770462A/fi not_active Application Discontinuation
- 1977-05-04 JP JP5088977A patent/JPS531602A/ja active Granted
- 1977-06-20 FR FR7718859A patent/FR2356017A2/fr active Granted
- 1977-06-23 DE DE19772728299 patent/DE2728299A1/de not_active Ceased
-
1978
- 1978-03-27 US US05/890,382 patent/US4142447A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2356017A2 (fr) | 1978-01-20 |
FI770462A (fi) | 1977-12-25 |
DE2728299A1 (de) | 1978-01-05 |
JPS531602A (en) | 1978-01-09 |
FR2356017B2 (fi) | 1981-07-10 |
US4142447A (en) | 1979-03-06 |
JPS5758274B2 (fi) | 1982-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: INGERSOLL-RAND CY Effective date: 19871231 |