ATE62726T1 - MULTIPLE DETONATION MACHINE. - Google Patents

MULTIPLE DETONATION MACHINE.

Info

Publication number
ATE62726T1
ATE62726T1 AT87107217T AT87107217T ATE62726T1 AT E62726 T1 ATE62726 T1 AT E62726T1 AT 87107217 T AT87107217 T AT 87107217T AT 87107217 T AT87107217 T AT 87107217T AT E62726 T1 ATE62726 T1 AT E62726T1
Authority
AT
Austria
Prior art keywords
detonation
chamber
ignition
differential piston
air
Prior art date
Application number
AT87107217T
Other languages
German (de)
Inventor
Joseph S Adams
Original Assignee
Joseph S Adams
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 Joseph S Adams filed Critical Joseph S Adams
Application granted granted Critical
Publication of ATE62726T1 publication Critical patent/ATE62726T1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Press Drives And Press Lines (AREA)
  • Disintegrating Or Milling (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

A purging and recharging system improves the repeating of detonations from a detonation device 10 having a detonation chamber 20 separated from an ignition chamber 25 by a detonation plate 22 having an opening 23 through which a flame jet can pass from ignition chamber 25 to detonation chamber 20. A differential piston 30 driven by a detonation in a differential cylinder 31, 32 around detonation chamber 20 affords a fluid passageway between differential piston 30 and detonation chamber 20. On a power stroke, differential piston 30 compresses recharging air and draws in cooling and exhaust purging air to surround detonation chamber 20. On a return stroke, differential piston 30 forces cooling and purging air into detonation chamber 20 and then admits compressed recharging air into detonation chamber 20. A check valve 55 on the detonation side of the opening in detonation plate 22 admits fluid and flame from ignition chamber 25 into detonation chamber 20 during ignition and blocks backflow of fluid or flame from detonation chamber 20 into ignition chamber 25 during detonation.
AT87107217T 1987-05-18 1987-05-18 MULTIPLE DETONATION MACHINE. ATE62726T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87107217A EP0291545B1 (en) 1987-05-18 1987-05-18 Repeating detonation device

Publications (1)

Publication Number Publication Date
ATE62726T1 true ATE62726T1 (en) 1991-05-15

Family

ID=8197003

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87107217T ATE62726T1 (en) 1987-05-18 1987-05-18 MULTIPLE DETONATION MACHINE.

Country Status (3)

Country Link
EP (1) EP0291545B1 (en)
AT (1) ATE62726T1 (en)
DE (1) DE3769470D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008000909A1 (en) * 2008-04-01 2009-10-08 Hilti Aktiengesellschaft Internal combustion setting device
US20180243891A1 (en) * 2015-09-14 2018-08-30 Hilti Aktiengesellschaft Fuel gas-fired driving-in tool with charging function
EP3184249A1 (en) * 2015-12-22 2017-06-28 HILTI Aktiengesellschaft Driving device powered by combustion gas with loading

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395688A (en) * 1966-04-14 1968-08-06 Skil Corp Gasoline powered hammer
FR2001658B1 (en) * 1968-02-09 1975-07-04 B K
FR2463267A1 (en) * 1979-08-08 1981-02-20 Liesse Maurice THERMAL GENERATOR OF PULSES
US4599861A (en) * 1985-05-13 1986-07-15 Beaumont Richard W Internal combustion hydraulic engine

Also Published As

Publication number Publication date
EP0291545B1 (en) 1991-04-17
DE3769470D1 (en) 1991-05-23
EP0291545A1 (en) 1988-11-23

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties