AU2001277447A1 - A free-piston engine - Google Patents

A free-piston engine

Info

Publication number
AU2001277447A1
AU2001277447A1 AU2001277447A AU7744701A AU2001277447A1 AU 2001277447 A1 AU2001277447 A1 AU 2001277447A1 AU 2001277447 A AU2001277447 A AU 2001277447A AU 7744701 A AU7744701 A AU 7744701A AU 2001277447 A1 AU2001277447 A1 AU 2001277447A1
Authority
AU
Australia
Prior art keywords
free
piston engine
piston
engine
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.)
Abandoned
Application number
AU2001277447A
Inventor
Lei Lai
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.)
Individual
Original Assignee
Individual
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
Priority claimed from CN 00113878 external-priority patent/CN1282651A/en
Application filed by Individual filed Critical Individual
Publication of AU2001277447A1 publication Critical patent/AU2001277447A1/en
Abandoned 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
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Device For Special Equipments (AREA)
AU2001277447A 2000-07-18 2001-06-28 A free-piston engine Abandoned AU2001277447A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 00113878 CN1282651A (en) 1999-08-02 2000-07-18 Free piston type engine
CN00113878 2000-07-18
PCT/CN2001/001063 WO2002008590A1 (en) 2000-07-18 2001-06-28 A free-piston engine

Publications (1)

Publication Number Publication Date
AU2001277447A1 true AU2001277447A1 (en) 2002-02-05

Family

ID=4583620

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001277447A Abandoned AU2001277447A1 (en) 2000-07-18 2001-06-28 A free-piston engine

Country Status (2)

Country Link
AU (1) AU2001277447A1 (en)
WO (1) WO2002008590A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103856A1 (en) * 1981-02-05 1982-09-09 Hydroc Gesteinsbohrtechnik GmbH, 5960 Olpe Hydraulic percussion device
JPH03208215A (en) * 1990-01-10 1991-09-11 Izumi Seiki Seisakusho:Kk Hydraulic breaker
CN1035245C (en) * 1993-06-07 1997-06-25 株式会社水山重工业 Hydropneumatic hammer
JPH08281571A (en) * 1995-04-14 1996-10-29 Komatsu Ltd Vibration generating device
CN2326395Y (en) * 1997-05-21 1999-06-30 王惠民 Hydraulic pick

Also Published As

Publication number Publication date
WO2002008590A1 (en) 2002-01-31

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