WO1992010304A1 - A device for detonation spraying - Google Patents

A device for detonation spraying Download PDF

Info

Publication number
WO1992010304A1
WO1992010304A1 PCT/SE1991/000851 SE9100851W WO9210304A1 WO 1992010304 A1 WO1992010304 A1 WO 1992010304A1 SE 9100851 W SE9100851 W SE 9100851W WO 9210304 A1 WO9210304 A1 WO 9210304A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
valve
piston
inlets
channels
Prior art date
Application number
PCT/SE1991/000851
Other languages
English (en)
French (fr)
Inventor
Sven-Eric Sjödin
Original Assignee
Sjoedin Sven Eric
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 Sjoedin Sven Eric filed Critical Sjoedin Sven Eric
Publication of WO1992010304A1 publication Critical patent/WO1992010304A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0006—Spraying by means of explosions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/126—Detonation spraying

Definitions

  • a delivery device in the form of a tube for delivery of the pulverous material to the beginning of the acceleration tube 2 is generally designated 12.
  • a gas distribution device described more closely below is generally designated 14, by means of which, in one moment, oxygen and the burning gas, and, in a following moment, protective gas can be delivered to the detonation chamber 6.
  • the gas distribution device 14 has gas inlet ports 16, 18, shown in Figures 4 and 5, for oxygen and burning gas, respectively, and for protective gas at 20. In Figure 1 the gas delivery is indicated by means of an arrow 21.
  • the gas distribution device 14 includes a valve housing 32.
  • the valve housing 32 includes a valve bore 36 near one of its sides, designated 34.
  • the valve bore 36 has side inlets 38, 40 and 42, respectively, and corresponding side outlets 44, 46 and 48, respectively.
  • a rotatable valve piston 50 with parallel through channels 52 and 54, respectively, extends, as well as a through channel 56 extending under an angle with respect to these channels.
  • the isolation of the delivery paths for oxygen and burning gas from each other is further improved due to the fact that the channel 62 for protective gas does not have any further sealing arrangement with a sealing piston pressed against the envelope surface 50, as is the case with the pistons 66 and 68. In practice this has turned out to provide a film of leaking protective gas between the envelope surface of the valve piston 50 and the wall of the valve bore 36.
  • This protective gas film forms a barrier between the delivery passages for oxygen and burning gas, respectively.
  • this process is repeated by delivery of oxygen and burning gas to the detonation chamber and immediately before the cam portion 100 reaches the contact 104, etc.
  • the cylinder bore 200 contains a slideable piston 204 with a through channel 206 extending in the length direction thereof.
  • a pressure spring schematically indicated at 208, is clamped between the lid 178 and the facing end surface of the piston 204.
  • valve piston 50 performs a reciprocating movement for carrying out its function to connect its through channels in turn for supply of oxygen and burning gas, as well as protective gas, respectively.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)
  • Portable Nailing Machines And Staplers (AREA)
PCT/SE1991/000851 1990-12-14 1991-12-11 A device for detonation spraying WO1992010304A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9004000A SE467565B (sv) 1990-12-14 1990-12-14 Anordning foer detonationssprutning av ett soenderdelat material mot ytan av ett foeremaal
SE9004000-7 1990-12-14

Publications (1)

Publication Number Publication Date
WO1992010304A1 true WO1992010304A1 (en) 1992-06-25

Family

ID=20381199

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1991/000851 WO1992010304A1 (en) 1990-12-14 1991-12-11 A device for detonation spraying

Country Status (2)

Country Link
SE (1) SE467565B (sv)
WO (1) WO1992010304A1 (sv)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2375978A (en) * 2001-05-29 2002-12-04 C B Kaymich & Company Ltd Adhesive spray nozzle
CN104477419A (zh) * 2014-11-28 2015-04-01 中国空间技术研究院 一种自增压的空间喷涂设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714563A (en) * 1952-03-07 1955-08-02 Union Carbide & Carbon Corp Method and apparatus utilizing detonation waves for spraying and other purposes
SE454184B (sv) * 1984-12-31 1988-04-11 Inst Sverkhtverdykh Mat Anleggning for paforande av beleggningar pa arbetsstycken genom detonation
SE457002B (sv) * 1986-05-09 1988-11-21 Inst Materialovedenia Akademii Detonationsgasanlaeggning foer paafoerande av belaeggningar paa arbetsstycken
EP0400151A1 (de) * 1988-11-25 1990-12-05 Institut Gidrodinamiki Imeni M.A. Lavrentieva Sibirskogo Otdelenia Akademii Nauk Sssr Anlage zum detonations-gas-auftragen von überzügen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714563A (en) * 1952-03-07 1955-08-02 Union Carbide & Carbon Corp Method and apparatus utilizing detonation waves for spraying and other purposes
SE454184B (sv) * 1984-12-31 1988-04-11 Inst Sverkhtverdykh Mat Anleggning for paforande av beleggningar pa arbetsstycken genom detonation
SE457002B (sv) * 1986-05-09 1988-11-21 Inst Materialovedenia Akademii Detonationsgasanlaeggning foer paafoerande av belaeggningar paa arbetsstycken
EP0400151A1 (de) * 1988-11-25 1990-12-05 Institut Gidrodinamiki Imeni M.A. Lavrentieva Sibirskogo Otdelenia Akademii Nauk Sssr Anlage zum detonations-gas-auftragen von überzügen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2375978A (en) * 2001-05-29 2002-12-04 C B Kaymich & Company Ltd Adhesive spray nozzle
GB2375978B (en) * 2001-05-29 2004-08-04 C B Kaymich & Company Ltd Adhesive applicator apparatus
CN104477419A (zh) * 2014-11-28 2015-04-01 中国空间技术研究院 一种自增压的空间喷涂设备

Also Published As

Publication number Publication date
SE9004000L (sv) 1992-06-15
SE467565B (sv) 1992-08-10
SE9004000D0 (sv) 1990-12-14

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