CA1104003A - Method and apparatus for shielding the effluent from plasma spray gun assemblies - Google Patents

Method and apparatus for shielding the effluent from plasma spray gun assemblies

Info

Publication number
CA1104003A
CA1104003A CA300,374A CA300374A CA1104003A CA 1104003 A CA1104003 A CA 1104003A CA 300374 A CA300374 A CA 300374A CA 1104003 A CA1104003 A CA 1104003A
Authority
CA
Canada
Prior art keywords
plasma
shroud
hot gas
effluent
coating material
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
CA300,374A
Other languages
English (en)
French (fr)
Inventor
John H. Harrington
Richard T. Smyth
John D. Weir
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.)
Metco Inc
Original Assignee
Metco Inc
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 Metco Inc filed Critical Metco Inc
Application granted granted Critical
Publication of CA1104003A publication Critical patent/CA1104003A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/42Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder or liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/22Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc
    • B05B7/222Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc
    • B05B7/226Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc the material being originally a particulate material
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134Plasma spraying
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/28Cooling arrangements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/341Arrangements for providing coaxial protecting fluids
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3457Nozzle protection devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Plasma Technology (AREA)
CA300,374A 1977-04-27 1978-04-04 Method and apparatus for shielding the effluent from plasma spray gun assemblies Expired CA1104003A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US791,478 1977-04-27
US05/791,478 US4121082A (en) 1977-04-27 1977-04-27 Method and apparatus for shielding the effluent from plasma spray gun assemblies

Publications (1)

Publication Number Publication Date
CA1104003A true CA1104003A (en) 1981-06-30

Family

ID=25153861

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,374A Expired CA1104003A (en) 1977-04-27 1978-04-04 Method and apparatus for shielding the effluent from plasma spray gun assemblies

Country Status (7)

Country Link
US (1) US4121082A (en])
JP (1) JPS53133536A (en])
CA (1) CA1104003A (en])
DE (1) DE2818303A1 (en])
FR (1) FR2389296A1 (en])
GB (1) GB1597558A (en])
IT (1) IT1102626B (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370538A (en) * 1980-05-23 1983-01-25 Browning Engineering Corporation Method and apparatus for ultra high velocity dual stream metal flame spraying
US4357387A (en) * 1981-08-20 1982-11-02 Subtex, Inc. Flame resistant insulating fabric compositions prepared by plasma spraying
EP0163776A3 (en) * 1984-01-18 1986-12-30 James A. Browning Highly concentrated supersonic flame spray method and apparatus with improved material feed
DE3422196A1 (de) * 1984-06-15 1985-12-19 Castolin Gmbh, 6239 Kriftel Duese fuer flammspritzbrenner
DE3533966C1 (de) * 1985-09-24 1986-12-18 Heinz Dieter 4620 Castrop-Rauxel Matthäus Verfahren und Lichtbogenspritzduese zum Beschichten von Werkstueckoberflaechen durch Schmelzen von Draehten in einem elektrischen Lichtbogen
EP0357694B1 (de) * 1988-02-01 1991-10-30 Nova-Werke Ag Vorrichtung zum erzeugen eines schutzgasmantels beim plasmaspritzen
US5041713A (en) * 1988-05-13 1991-08-20 Marinelon, Inc. Apparatus and method for applying plasma flame sprayed polymers
DE3816585A1 (de) * 1988-05-16 1989-11-23 Thyssen Guss Ag Vorrichtung zum plasmaspritzen
US5244727A (en) * 1988-10-11 1993-09-14 Nichias Corporation Refractories for use in firing ceramics
US5220150A (en) * 1991-05-03 1993-06-15 Regents Of The University Of Minnesota Plasma spray torch with hot anode and gas shroud
US5135166A (en) * 1991-05-08 1992-08-04 Plasma-Technik Ag High-velocity thermal spray apparatus
ATE146643T1 (de) * 1993-09-29 1997-01-15 Sulzer Metco Ag Brennerkopf für plasmaspritzgeräte
US5486383A (en) * 1994-08-08 1996-01-23 Praxair Technology, Inc. Laminar flow shielding of fluid jet
US5662266A (en) * 1995-01-04 1997-09-02 Zurecki; Zbigniew Process and apparatus for shrouding a turbulent gas jet
US5858469A (en) * 1995-11-30 1999-01-12 Sermatech International, Inc. Method and apparatus for applying coatings using a nozzle assembly having passageways of differing diameter
US6179913B1 (en) * 1999-04-16 2001-01-30 Cbl Technologies, Inc. Compound gas injection system and methods
US9997325B2 (en) 2008-07-17 2018-06-12 Verity Instruments, Inc. Electron beam exciter for use in chemical analysis in processing systems
US9704694B2 (en) 2014-07-11 2017-07-11 Rolls-Royce Corporation Gas cooled plasma spraying device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922869A (en) * 1958-07-07 1960-01-26 Plasmadyne Corp Plasma stream apparatus and methods
US2951143A (en) * 1958-09-25 1960-08-30 Union Carbide Corp Arc torch
US3082314A (en) * 1959-04-20 1963-03-19 Shin Meiwa Kogyo Kabushiki Kai Plasma arc torch
US3312566A (en) * 1962-08-01 1967-04-04 Giannini Scient Corp Rod-feed torch apparatus and method
US3313909A (en) * 1964-07-10 1967-04-11 Taylor Winfield Corp Spot welder electrode cleaning device
US3373306A (en) * 1964-10-27 1968-03-12 Northern Natural Gas Co Method and apparatus for the control of ionization in a distributed electrical discharge
US3313908A (en) * 1966-08-18 1967-04-11 Giannini Scient Corp Electrical plasma-torch apparatus and method for applying coatings onto substrates
US3470347A (en) * 1968-01-16 1969-09-30 Union Carbide Corp Method for shielding a gas effluent
US3958097A (en) * 1974-05-30 1976-05-18 Metco, Inc. Plasma flame-spraying process employing supersonic gaseous streams
JPS5349198A (en) * 1976-10-13 1978-05-04 Teijin Ltd Fire retraded polyester fiber

Also Published As

Publication number Publication date
DE2818303A1 (de) 1978-11-02
GB1597558A (en) 1981-09-09
JPS6242665B2 (en]) 1987-09-09
DE2818303C2 (en]) 1987-12-10
JPS53133536A (en) 1978-11-21
US4121082A (en) 1978-10-17
FR2389296A1 (fr) 1978-11-24
IT1102626B (it) 1985-10-07
FR2389296B1 (en]) 1984-02-24
IT7849089A0 (it) 1978-04-26

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19980630