IT1032343B - Perfezionamento negli apparecchi idraulici a moto alternativo adatti in particolare per frantumatori di rocce - Google Patents

Perfezionamento negli apparecchi idraulici a moto alternativo adatti in particolare per frantumatori di rocce

Info

Publication number
IT1032343B
IT1032343B IT48653/75A IT4865375A IT1032343B IT 1032343 B IT1032343 B IT 1032343B IT 48653/75 A IT48653/75 A IT 48653/75A IT 4865375 A IT4865375 A IT 4865375A IT 1032343 B IT1032343 B IT 1032343B
Authority
IT
Italy
Prior art keywords
improvement
hydraulic equipment
alternative motion
motion suitable
rock crushers
Prior art date
Application number
IT48653/75A
Other languages
English (en)
Original Assignee
Keelavite 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 Keelavite Hydraulics Ltd filed Critical Keelavite Hydraulics Ltd
Application granted granted Critical
Publication of IT1032343B publication Critical patent/IT1032343B/it

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
    • 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
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H43/00—Other fluid gearing, e.g. with oscillating input or output

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)
IT48653/75A 1974-03-19 1975-03-17 Perfezionamento negli apparecchi idraulici a moto alternativo adatti in particolare per frantumatori di rocce IT1032343B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12160/74A GB1501092A (en) 1974-03-19 1974-03-19 Hydraulic reciprocating apparatus

Publications (1)

Publication Number Publication Date
IT1032343B true IT1032343B (it) 1979-05-30

Family

ID=9999452

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48653/75A IT1032343B (it) 1974-03-19 1975-03-17 Perfezionamento negli apparecchi idraulici a moto alternativo adatti in particolare per frantumatori di rocce

Country Status (10)

Country Link
JP (1) JPS5123402A (it)
AU (1) AU7929275A (it)
BE (1) BE826878A (it)
DE (1) DE2511836A1 (it)
FR (1) FR2264986B3 (it)
GB (1) GB1501092A (it)
IT (1) IT1032343B (it)
NL (1) NL7503222A (it)
SE (1) SE7503073L (it)
ZA (1) ZA751721B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995700A (en) * 1975-10-14 1976-12-07 Gardner-Denver Company Hydraulic rock drill system
GB2027483B (en) * 1978-07-29 1982-09-02 Kawasaki Heavy Ind Ltd Hydraulic reciprocating motor
JPS58140293U (ja) * 1982-03-09 1983-09-21 株式会社小松製作所 ドリフタ
AU578147B2 (en) * 1985-03-26 1988-10-13 Steel Engineering Company Limited; The Hydraulic percusive machine
EP0236721A3 (en) * 1986-03-11 1989-10-25 NITTETSU JITSUGYO CO., Ltd. Hydraulic breaker
FR2618092B1 (fr) * 1987-07-17 1989-11-10 Montabert Ets Distributeur hydraulique pour appareil a percussions mu par un fluide incompressible sous pression

Also Published As

Publication number Publication date
GB1501092A (en) 1978-02-15
FR2264986B3 (it) 1977-11-25
FR2264986A1 (it) 1975-10-17
JPS5123402A (it) 1976-02-25
DE2511836A1 (de) 1975-09-25
BE826878A (fr) 1975-09-19
AU7929275A (en) 1976-09-23
ZA751721B (en) 1976-10-27
SE7503073L (it) 1975-09-22
NL7503222A (nl) 1975-09-23

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