ZA821976B - Method and device for dampening compressive stress waves - Google Patents

Method and device for dampening compressive stress waves

Info

Publication number
ZA821976B
ZA821976B ZA821976A ZA821976A ZA821976B ZA 821976 B ZA821976 B ZA 821976B ZA 821976 A ZA821976 A ZA 821976A ZA 821976 A ZA821976 A ZA 821976A ZA 821976 B ZA821976 B ZA 821976B
Authority
ZA
South Africa
Prior art keywords
dampening
compressive stress
stress waves
waves
compressive
Prior art date
Application number
ZA821976A
Other languages
English (en)
Inventor
Axel Gunnar Wijk
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of ZA821976B publication Critical patent/ZA821976B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/02—Equalising or cushioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/04—Engines combined with reciprocatory driven devices, e.g. hammers
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/01—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
    • F16F7/015—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand the particles being spherical, cylindrical or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Vibration Dampers (AREA)
ZA821976A 1981-04-15 1982-03-24 Method and device for dampening compressive stress waves ZA821976B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8102430A SE8102430L (sv) 1981-04-15 1981-04-15 Forfarande och anordning for att dempa stotvagor

Publications (1)

Publication Number Publication Date
ZA821976B true ZA821976B (en) 1983-03-30

Family

ID=20343607

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA821976A ZA821976B (en) 1981-04-15 1982-03-24 Method and device for dampening compressive stress waves

Country Status (7)

Country Link
EP (1) EP0064038A1 (fr)
JP (1) JPS57184739A (fr)
AU (1) AU8263682A (fr)
FI (1) FI821236L (fr)
NO (1) NO821024L (fr)
SE (1) SE8102430L (fr)
ZA (1) ZA821976B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3580380D1 (de) * 1984-03-30 1990-12-13 Makoto Minamidate Schwingungsdaempfende griffvorrichtung.
JPH0550192U (ja) * 1991-12-09 1993-07-02 株式会社コガネイ ショックアブソーバ
JP4897512B2 (ja) * 2007-02-23 2012-03-14 富士夫 堀 粉粒体混合ガス生成機
JP5100272B2 (ja) * 2007-09-13 2012-12-19 株式会社マキタ 打撃工具
CN108443325B (zh) * 2018-04-02 2019-06-11 江苏理工学院 用于高速旋转机械的碰撞阻尼器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440956A (en) * 1973-12-01 1976-06-30 Af Hydraulics Hydraulically-operated devices

Also Published As

Publication number Publication date
FI821236A7 (fi) 1982-10-16
EP0064038A1 (fr) 1982-11-03
FI821236L (fi) 1982-10-16
JPS57184739A (en) 1982-11-13
SE8102430L (sv) 1982-10-16
FI821236A0 (fi) 1982-04-07
AU8263682A (en) 1982-10-21
NO821024L (no) 1982-10-18

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