AU4173572A - Hydraulic percussive implement - Google Patents

Hydraulic percussive implement

Info

Publication number
AU4173572A
AU4173572A AU41735/72A AU4173572A AU4173572A AU 4173572 A AU4173572 A AU 4173572A AU 41735/72 A AU41735/72 A AU 41735/72A AU 4173572 A AU4173572 A AU 4173572A AU 4173572 A AU4173572 A AU 4173572A
Authority
AU
Australia
Prior art keywords
hydraulic percussive
implement
percussive implement
hydraulic
percussive
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU41735/72A
Other versions
AU462813B2 (en
Inventor
ARTHUR REYNOLDS and DAVID RICHARD JAMES LIONEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AF Hydraulics Ltd
Original Assignee
AF Hydraulics Ltd
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 AF Hydraulics Ltd filed Critical AF Hydraulics Ltd
Publication of AU4173572A publication Critical patent/AU4173572A/en
Application granted granted Critical
Publication of AU462813B2 publication Critical patent/AU462813B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01L27/00—Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L21/00 - F01L25/00
    • F01L27/04—Delayed-action controls, e.g. of cataract or dashpot type
    • 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
    • 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)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
AU41735/72A 1971-05-11 1972-05-01 Hydraulic percussive implement Expired AU462813B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB14212/71 1971-05-11
GB1421271A GB1396307A (en) 1971-05-11 1971-05-11 Hydraulic percussive implement

Publications (2)

Publication Number Publication Date
AU4173572A true AU4173572A (en) 1973-12-20
AU462813B2 AU462813B2 (en) 1975-07-10

Family

ID=10037084

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41735/72A Expired AU462813B2 (en) 1971-05-11 1972-05-01 Hydraulic percussive implement

Country Status (9)

Country Link
AU (1) AU462813B2 (en)
CA (1) CA951996A (en)
DE (1) DE2223292C3 (en)
FR (1) FR2139398A5 (en)
GB (1) GB1396307A (en)
IT (1) IT958825B (en)
SE (1) SE397787B (en)
SU (1) SU495810A3 (en)
ZA (1) ZA722588B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480753A (en) * 1974-11-14 1977-07-27 Hydraulics Ltd A Hydraulically-operated devices
GB2117845B (en) * 1982-04-03 1985-08-29 Af Hydraulics Hydraulic percussive apparatus
CA1259232A (en) * 1986-12-24 1989-09-12 Nikolai P. Ermilov Percussive tool
FR2609661B1 (en) * 1987-01-20 1989-05-26 Sp K Bjur PERCUSSIVE ACTION DEVICE
SE536289C2 (en) 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydraulic percussion for rock or concrete cutting equipment as well as drilling and breaking equipment
SE536758C2 (en) 2012-11-28 2014-07-15 Atlas Copco Rock Drills Ab Percussion for a hydraulic rock drill, method for operating a percussion and hydraulic rock drill including percussion
KR102224271B1 (en) 2014-01-31 2021-03-05 후루까와 로크 드릴 가부시끼가이샤 Hydraulic hammering device
CH711414A1 (en) * 2015-08-13 2017-02-15 Hatebur Umformmaschinen Ag Device for generating impulse dynamic process forces.

Also Published As

Publication number Publication date
IT958825B (en) 1973-10-30
DE2223292A1 (en) 1972-11-23
AU462813B2 (en) 1975-07-10
DE2223292B2 (en) 1977-10-13
DE2223292C3 (en) 1978-06-08
FR2139398A5 (en) 1973-01-05
SE397787B (en) 1977-11-21
CA951996A (en) 1974-07-30
GB1396307A (en) 1975-06-04
SU495810A3 (en) 1975-12-15
ZA722588B (en) 1973-01-31

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