CH420014A - Hydraulically operated device with reciprocating working piston - Google Patents

Hydraulically operated device with reciprocating working piston

Info

Publication number
CH420014A
CH420014A CH836562A CH836562A CH420014A CH 420014 A CH420014 A CH 420014A CH 836562 A CH836562 A CH 836562A CH 836562 A CH836562 A CH 836562A CH 420014 A CH420014 A CH 420014A
Authority
CH
Switzerland
Prior art keywords
working piston
operated device
hydraulically operated
reciprocating working
reciprocating
Prior art date
Application number
CH836562A
Other languages
German (de)
Inventor
Johan Bjoernberg Nils
Original Assignee
Atlas Copco 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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of CH420014A publication Critical patent/CH420014A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01B23/06—Adaptations for driving, or combinations with, hand-held tools or the like
    • 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
    • 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
    • B25D9/22—Valve arrangements therefor involving a rotary-type slide valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Hydraulic Motors (AREA)
CH836562A 1961-07-11 1962-07-11 Hydraulically operated device with reciprocating working piston CH420014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US123145A US3213615A (en) 1961-07-11 1961-07-11 Hydraulically actuated reciprocable tools

Publications (1)

Publication Number Publication Date
CH420014A true CH420014A (en) 1966-08-31

Family

ID=22406961

Family Applications (3)

Application Number Title Priority Date Filing Date
CH836562A CH420014A (en) 1961-07-11 1962-07-11 Hydraulically operated device with reciprocating working piston
CH836462A CH417501A (en) 1961-07-11 1962-07-11 Hydraulically operated device with a reciprocating working piston
CH836662A CH406096A (en) 1961-07-11 1962-07-11 Hydraulically operated impact tool

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH836462A CH417501A (en) 1961-07-11 1962-07-11 Hydraulically operated device with a reciprocating working piston
CH836662A CH406096A (en) 1961-07-11 1962-07-11 Hydraulically operated impact tool

Country Status (3)

Country Link
US (1) US3213615A (en)
CH (3) CH420014A (en)
GB (1) GB945288A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125755A (en) * 1965-04-23 1968-08-28 Vickers Ltd Improvements in or relating to hydraulically operated tools
US3371726A (en) * 1965-05-24 1968-03-05 Gen Dynamics Corp Acoustic apparatus
US3470970A (en) * 1967-11-24 1969-10-07 Canada Iron Foundry Ltd Hydraulic rock drill
US3695366A (en) * 1970-11-09 1972-10-03 Worthington Corp Hydraulic hammer with back pressure isolation
US3780621A (en) * 1971-06-07 1973-12-25 Atlas Copco Ab Hydraulic fluid actuated percussion tool
DE2335731C2 (en) * 1972-07-14 1983-11-17 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Hydraulically operated rock drill - allows quieter and more effective stable operation than pneumatic device
US4181183A (en) * 1978-01-05 1980-01-01 Nippon Pneumatic Manufacturing Co., Ltd. Impact tool
US4497467A (en) * 1982-09-15 1985-02-05 Dewald Carl O Plug valve with hydraulically actuated seals
US4598895A (en) * 1984-08-31 1986-07-08 Precision Technologies Plug valve with hydraulically actuated seals
US5205326A (en) * 1991-08-23 1993-04-27 Hydraulic Power Systems, Inc. Pressure response type pulsation damper noise attenuator and accumulator
WO1994018488A1 (en) * 1993-02-09 1994-08-18 Hydraulic Power Systems, Inc. Pulsation damper device
US5540052A (en) * 1994-08-16 1996-07-30 Sieke; Ingrid D. Pulse hydraulic systems and methods therefor
FI121139B (en) * 2004-02-02 2010-07-30 Sandvik Mining & Constr Oy Hydraulic hammer and tool sleeve
SE535149C2 (en) 2010-08-31 2012-05-02 Atlas Copco Rock Drills Ab Hydraulic percussion for use in rock or concrete cutting equipment
CN109706988B (en) * 2018-12-28 2021-08-03 河北磐石泵业有限公司 Multifunctional earth-digging stone-drilling robot device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US551687A (en) * 1895-12-17 Stone-cutting engine
US784338A (en) * 1904-06-16 1905-03-07 Herman Leineweber Pneumatic tool.
US1518124A (en) * 1918-09-28 1924-12-02 Sullivan Machinery Co Apparatus for drilling holes
US1390834A (en) * 1919-10-15 1921-09-13 Ingersoll Rand Co Motor-rotation impact-tool
US1408684A (en) * 1920-02-27 1922-03-07 Ingersoll Rand Co Percussive tool
US1629117A (en) * 1925-01-27 1927-05-17 Chicago Pneumatic Tool Co Fluid pressure tool
GB641176A (en) * 1946-10-30 1950-08-09 Louis Breguet Improvements in gear pumps
US2571377A (en) * 1947-05-15 1951-10-16 Prec Developments Co Ltd Rotary displacement pump
US2719510A (en) * 1951-07-21 1955-10-04 Tomkin Johnson Company Cushion construction for air cylinders
FR1045365A (en) * 1951-11-22 1953-11-25 Applevage Damper for fluid actuated pistons
US2699224A (en) * 1951-12-20 1955-01-11 Research Corp Electrode rapping system
FR1076885A (en) * 1953-05-13 1954-11-02 Merlin Gerin Mechanical energy accumulator
FR1121325A (en) * 1955-03-24 1956-08-08 Stamicarbon Piston machine
US2881739A (en) * 1955-11-23 1959-04-14 Huppert & Co Ltd C Hydraulic percussion tool
US2943642A (en) * 1958-07-07 1960-07-05 Cleveland Pneumatic Ind Inc Liquid spring accumulator

Also Published As

Publication number Publication date
CH406096A (en) 1966-01-15
CH417501A (en) 1966-07-15
GB945288A (en) 1963-12-23
US3213615A (en) 1965-10-26

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