ES432495A1 - Aparato alternativo perfeccionado. - Google Patents

Aparato alternativo perfeccionado.

Info

Publication number
ES432495A1
ES432495A1 ES432495A ES432495A ES432495A1 ES 432495 A1 ES432495 A1 ES 432495A1 ES 432495 A ES432495 A ES 432495A ES 432495 A ES432495 A ES 432495A ES 432495 A1 ES432495 A1 ES 432495A1
Authority
ES
Spain
Prior art keywords
hydraulically
operated devices
damping
flow
dashpot cavity
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
ES432495A
Other languages
English (en)
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 ES432495A1 publication Critical patent/ES432495A1/es
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Road Paving Machines (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Damping Devices (AREA)
ES432495A 1973-12-01 1974-11-30 Aparato alternativo perfeccionado. Expired ES432495A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5579473A GB1440956A (en) 1973-12-01 1973-12-01 Hydraulically-operated devices

Publications (1)

Publication Number Publication Date
ES432495A1 true ES432495A1 (es) 1976-11-01

Family

ID=10474906

Family Applications (1)

Application Number Title Priority Date Filing Date
ES432495A Expired ES432495A1 (es) 1973-12-01 1974-11-30 Aparato alternativo perfeccionado.

Country Status (13)

Country Link
US (1) US4020747A (es)
JP (1) JPS5084770A (es)
AU (1) AU477109B2 (es)
BE (1) BE822840A (es)
DE (1) DE2456090A1 (es)
DK (1) DK620974A (es)
ES (1) ES432495A1 (es)
FR (1) FR2253153A1 (es)
GB (1) GB1440956A (es)
IT (1) IT1026595B (es)
NL (1) NL7415562A (es)
SE (1) SE7414972L (es)
ZA (1) ZA747573B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556754A (en) * 1976-12-10 1979-11-28 Af Hydraulics Hydraulically-actuated percussive device with overstroke damping
US4098355A (en) * 1977-01-27 1978-07-04 Raymond International Inc. Underwater hammer with circumferential flow seal
ZA771338B (en) * 1977-03-04 1978-06-28 Steel Eng Co Ltd Hydraulic percussive machines
ES464093A1 (es) * 1977-11-12 1978-12-16 Luis Miguel Castejon Castan Perfeccionamientos en los sistemas de fluidos alternantes y aparato para su realizacion.
SE8102430L (sv) * 1981-04-15 1982-10-16 Atlas Copco Ab Forfarande och anordning for att dempa stotvagor
US4492147A (en) * 1983-12-30 1985-01-08 Knapp Pneumatics, Inc. Reciprocatory air motor with cushioning pistons
FR2596681B1 (fr) * 1986-04-03 1988-06-10 Eimco Secoma Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour
FR2639279B1 (fr) * 1988-11-23 1991-01-04 Eimco Secoma Appareil de percussion hydraulique avec dispositif de frappe en retrait amortie
FI114290B (fi) * 2003-02-21 2004-09-30 Sandvik Tamrock Oy Ohjausventtiili ja järjestely iskulaitteessa
CN110219851B (zh) * 2019-04-02 2024-04-26 台州贝力特机械有限公司 一种液压破碎锤的活塞导向结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1262170A (en) * 1916-10-30 1918-04-09 Charles B Russell Weed-puller.
GB1019988A (en) * 1963-12-04 1966-02-09 Metal Box Co Ltd Improvements in or relating to pneumatic cylinders
US3596562A (en) * 1968-01-12 1971-08-03 Nat Res Dev Transducer for converting fluid pressure oscillations into mechanical oscillations
US3661313A (en) * 1970-07-22 1972-05-09 Illinois Tool Works Power device having improved feed mechanism
US3887019A (en) * 1971-05-11 1975-06-03 Af Hydraulics Hydraulic percussive implement
US3800662A (en) * 1972-08-18 1974-04-02 Ackley Mfg Co Fluid operated reciprocating motor

Also Published As

Publication number Publication date
SE7414972L (es) 1975-06-02
ZA747573B (en) 1975-12-31
US4020747A (en) 1977-05-03
DE2456090A1 (de) 1975-06-05
AU7579174A (en) 1976-05-27
DK620974A (es) 1975-07-28
FR2253153A1 (es) 1975-06-27
BE822840A (fr) 1975-04-01
IT1026595B (it) 1978-10-20
NL7415562A (nl) 1975-06-03
JPS5084770A (es) 1975-07-08
GB1440956A (en) 1976-06-30
AU477109B2 (en) 1976-10-14

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