FR2139398A5 - - Google Patents

Info

Publication number
FR2139398A5
FR2139398A5 FR7216646A FR7216646A FR2139398A5 FR 2139398 A5 FR2139398 A5 FR 2139398A5 FR 7216646 A FR7216646 A FR 7216646A FR 7216646 A FR7216646 A FR 7216646A FR 2139398 A5 FR2139398 A5 FR 2139398A5
Authority
FR
France
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
FR7216646A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR2139398A5 publication Critical patent/FR2139398A5/fr
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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
FR7216646A 1971-05-11 1972-05-10 Expired FR2139398A5 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2139398A5 true FR2139398A5 (de) 1973-01-05

Family

ID=10037084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216646A Expired FR2139398A5 (de) 1971-05-11 1972-05-10

Country Status (9)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524362A1 (fr) * 1982-04-03 1983-10-07 Af Hydraulics Appareil de percussion hydraulique
EP2925949A4 (de) * 2012-11-28 2016-07-20 Atlas Copco Rock Drills Ab Schlagvorrichtung für eine hydraulische gesteinsbohrmaschine, verfahren zum betrieb einer schlagvorrichtung und hydraulische gesteinsbohrmaschine mit einer schlagvorrichtung
CH711414A1 (de) * 2015-08-13 2017-02-15 Hatebur Umformmaschinen Ag Vorrichtung zur Erzeugung impulsdynamischer Prozesskräfte.

Families Citing this family (6)

* 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
CA1259232A (en) * 1986-12-24 1989-09-12 Nikolai P. Ermilov Percussive tool
FR2609661B1 (fr) * 1987-01-20 1989-05-26 Sp K Bjur Dispositif a action percussive
SE536289C2 (sv) 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydrauliska slagverk för berg- eller betongavverkande utrustning samt borr- och brytutrustning
EP3100828B1 (de) * 2014-01-31 2021-09-22 Furukawa Rock Drill Co., Ltd. Hydraulische hammervorrichtung
CN115899151A (zh) * 2022-12-05 2023-04-04 山东科技大学 一种锤式破碎机用抗冲击式双向缓冲装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524362A1 (fr) * 1982-04-03 1983-10-07 Af Hydraulics Appareil de percussion hydraulique
EP2925949A4 (de) * 2012-11-28 2016-07-20 Atlas Copco Rock Drills Ab Schlagvorrichtung für eine hydraulische gesteinsbohrmaschine, verfahren zum betrieb einer schlagvorrichtung und hydraulische gesteinsbohrmaschine mit einer schlagvorrichtung
AU2013352655B2 (en) * 2012-11-28 2017-11-02 Epiroc Rock Drills Aktiebolag Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a persussion device
US9855647B2 (en) 2012-11-28 2018-01-02 Atlas Copco Rock Drills Ab Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a percussion device
CH711414A1 (de) * 2015-08-13 2017-02-15 Hatebur Umformmaschinen Ag Vorrichtung zur Erzeugung impulsdynamischer Prozesskräfte.
WO2017025527A1 (de) * 2015-08-13 2017-02-16 Hatebur Umformmaschinen Ag Vorrichtung und verwendung zur erzeugung impulsdynamischer prozesskräfte
CN107923504A (zh) * 2015-08-13 2018-04-17 哈特伯金属成型机股份公司 用于产生脉冲动态过程力的装置和用途
TWI702354B (zh) * 2015-08-13 2020-08-21 瑞士商哈特布爾變換機股份公司 用於產生脈衝動態處理力量的裝置
CN107923504B (zh) * 2015-08-13 2020-09-18 哈特伯金属成型机股份公司 用于产生脉冲动态过程力的装置和用途
US11248691B2 (en) 2015-08-13 2022-02-15 Hatebur Umformmaschinen Ag Apparatus for generating impulse-dynamic process forces

Also Published As

Publication number Publication date
ZA722588B (en) 1973-01-31
DE2223292A1 (de) 1972-11-23
SE397787B (sv) 1977-11-21
AU4173572A (en) 1973-12-20
SU495810A3 (ru) 1975-12-15
CA951996A (en) 1974-07-30
AU462813B2 (en) 1975-07-10
DE2223292B2 (de) 1977-10-13
DE2223292C3 (de) 1978-06-08
IT958825B (it) 1973-10-30
GB1396307A (en) 1975-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse