ZA756923B - Hydraulic actuator - Google Patents

Hydraulic actuator

Info

Publication number
ZA756923B
ZA756923B ZA756923A ZA756923A ZA756923B ZA 756923 B ZA756923 B ZA 756923B ZA 756923 A ZA756923 A ZA 756923A ZA 756923 A ZA756923 A ZA 756923A ZA 756923 B ZA756923 B ZA 756923B
Authority
ZA
South Africa
Prior art keywords
hydraulic actuator
actuator
hydraulic
Prior art date
Application number
ZA756923A
Other languages
English (en)
Inventor
H Lindeboom
E Krasnoff
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of ZA756923B publication Critical patent/ZA756923B/xx

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
    • 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
    • F01L17/00—Slide valve-gear or valve arrangements with cylindrical, sleeve, or part annularly-shaped valves surrounding working cylinder or piston
    • 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
    • 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
    • F03C1/08—Distributing valve-gear peculiar thereto
    • F03C1/16—Speed controlling, equalising or cushioning

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)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Motors (AREA)
  • Percussive Tools And Related Accessories (AREA)
ZA756923A 1974-12-18 1975-11-04 Hydraulic actuator ZA756923B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53396974A 1974-12-18 1974-12-18

Publications (1)

Publication Number Publication Date
ZA756923B true ZA756923B (en) 1977-04-27

Family

ID=24128163

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA756923A ZA756923B (en) 1974-12-18 1975-11-04 Hydraulic actuator

Country Status (10)

Country Link
JP (1) JPS51125602A (fi)
BE (1) BE836824A (fi)
CA (1) CA1034837A (fi)
DE (1) DE2557203A1 (fi)
FI (1) FI753359A (fi)
FR (1) FR2295255A1 (fi)
GB (1) GB1504545A (fi)
IT (1) IT1050797B (fi)
SE (1) SE7514386L (fi)
ZA (1) ZA756923B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE850812R (fr) * 1976-06-24 1977-05-16 Ingersoll Rand Co Dispositifs d'actionnement hydrauliques
GB9522793D0 (en) * 1995-11-07 1996-01-10 Double Seven Ltd Compressed gas motor
US7413026B2 (en) 2006-07-01 2008-08-19 Black & Decker Inc. Lubricant system for powered hammer
JP2008012661A (ja) 2006-07-01 2008-01-24 Black & Decker Inc ハンマードリル用のビートピース磨耗表示器
AU2007202967A1 (en) 2006-07-01 2008-01-17 Black & Decker, Inc. A tool holder for a pavement breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE222155C (fi) *
US3596562A (en) * 1968-01-12 1971-08-03 Nat Res Dev Transducer for converting fluid pressure oscillations into mechanical oscillations
US3853036A (en) * 1972-08-07 1974-12-10 W Eskridge Reciprocating fluid motor
DE2346519A1 (de) * 1972-09-18 1974-04-11 Technology Inc Const Hydraulisch betriebene schlagvorrichtung

Also Published As

Publication number Publication date
FR2295255A1 (fr) 1976-07-16
BE836824A (fr) 1976-04-16
DE2557203A1 (de) 1976-11-11
JPS51125602A (en) 1976-11-02
FR2295255B1 (fi) 1981-02-27
IT1050797B (it) 1981-03-20
GB1504545A (en) 1978-03-22
CA1034837A (en) 1978-07-18
FI753359A (fi) 1976-06-19
SE7514386L (sv) 1976-06-21

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