GB2047794B - Power unit - Google Patents

Power unit

Info

Publication number
GB2047794B
GB2047794B GB8013047A GB8013047A GB2047794B GB 2047794 B GB2047794 B GB 2047794B GB 8013047 A GB8013047 A GB 8013047A GB 8013047 A GB8013047 A GB 8013047A GB 2047794 B GB2047794 B GB 2047794B
Authority
GB
United Kingdom
Prior art keywords
power unit
power
unit
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
GB8013047A
Other versions
GB2047794A (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.)
KNAEBEL H
Original Assignee
KNAEBEL H
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 KNAEBEL H filed Critical KNAEBEL H
Publication of GB2047794A publication Critical patent/GB2047794A/en
Application granted granted Critical
Publication of GB2047794B publication Critical patent/GB2047794B/en
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
    • 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
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/163—Control arrangements for fluid-driven presses for accumulator-driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/165—Control arrangements for fluid-driven presses for pneumatically-hydraulically driven presses
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Crushing And Grinding (AREA)
  • Press Drives And Press Lines (AREA)
GB8013047A 1979-04-21 1980-04-21 Power unit Expired GB2047794B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792916191 DE2916191A1 (en) 1979-04-21 1979-04-21 POWER UNIT AS A DRIVE DEVICE, e.g. FOR FORMING, DEFORMING, COMPRESSING, HITING AND DRIVING

Publications (2)

Publication Number Publication Date
GB2047794A GB2047794A (en) 1980-12-03
GB2047794B true GB2047794B (en) 1983-11-23

Family

ID=6068918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8013047A Expired GB2047794B (en) 1979-04-21 1980-04-21 Power unit

Country Status (7)

Country Link
AT (1) AT368922B (en)
BE (1) BE882786A (en)
DE (1) DE2916191A1 (en)
FR (1) FR2454548A1 (en)
GB (1) GB2047794B (en)
IT (1) IT1128516B (en)
SE (1) SE8002791L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226468A1 (en) * 1982-07-15 1984-01-19 Horst Ing.(grad.) 4005 Meerbusch Knäbel DEVICE FOR GENERATING A WORKER, ESPECIALLY FOR RAMMS, PRESSES AND THE LIKE
SE445434B (en) * 1983-08-01 1986-06-23 Atlas Copco Ab VIBRATION DUMP PRESSURE FLUID DRIVES
DE3436946C2 (en) * 1984-10-09 1994-06-09 Mannesmann Ag linear actuator
SE528654C2 (en) * 2005-05-23 2007-01-09 Atlas Copco Rock Drills Ab Impulse generator for rock drill, comprises impulse piston housed inside chamber containing compressible liquid
SE528650C2 (en) 2005-05-23 2007-01-09 Atlas Copco Rock Drills Ab Pulse generator and method of pulse generation
SE529036C2 (en) 2005-05-23 2007-04-17 Atlas Copco Rock Drills Ab Method and apparatus
SE528859C2 (en) * 2005-05-23 2007-02-27 Atlas Copco Rock Drills Ab control device
SE530467C2 (en) 2006-09-21 2008-06-17 Atlas Copco Rock Drills Ab Method and device for rock drilling
SE531860C2 (en) 2007-12-21 2009-08-25 Atlas Copco Rock Drills Ab Pulse generating device for inducing a shock wave in a tool and rock drilling rig including such device
CN107672222B (en) * 2017-11-02 2023-07-25 中科聚信洁能热锻装备研发股份有限公司 Efficient energy-saving return cylinder of hydraulic machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703727A1 (en) * 1968-07-03 1972-03-02 Orenstein & Koppel Ag Hydraulic impact device
US3892279A (en) * 1971-07-23 1975-07-01 Chicago Pneumatic Tool Co Reciprocating hydraulic hammer
DE2600948C3 (en) * 1976-01-13 1984-04-19 Knäbel, Horst, Ing.(grad.), 4005 Meerbusch Unit of force as a working organ, e.g. for presses for forming, compacting, etc.

Also Published As

Publication number Publication date
GB2047794A (en) 1980-12-03
IT8048442A0 (en) 1980-04-17
IT1128516B (en) 1986-05-28
DE2916191C2 (en) 1987-09-10
SE8002791L (en) 1980-10-22
BE882786A (en) 1980-07-31
DE2916191A1 (en) 1980-10-23
FR2454548B1 (en) 1984-06-29
AT368922B (en) 1982-11-25
ATA162080A (en) 1982-04-15
FR2454548A1 (en) 1980-11-14

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee