EP0163776A3 - Highly concentrated supersonic flame spray method and apparatus with improved material feed - Google Patents

Highly concentrated supersonic flame spray method and apparatus with improved material feed Download PDF

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Publication number
EP0163776A3
EP0163776A3 EP84116416A EP84116416A EP0163776A3 EP 0163776 A3 EP0163776 A3 EP 0163776A3 EP 84116416 A EP84116416 A EP 84116416A EP 84116416 A EP84116416 A EP 84116416A EP 0163776 A3 EP0163776 A3 EP 0163776A3
Authority
EP
European Patent Office
Prior art keywords
extended length
supersonic
flame spray
duct
nozzle passage
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.)
Withdrawn
Application number
EP84116416A
Other languages
German (de)
French (fr)
Other versions
EP0163776A2 (en
Inventor
James A. Browning
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
Application filed by Individual filed Critical Individual
Publication of EP0163776A2 publication Critical patent/EP0163776A2/en
Publication of EP0163776A3 publication Critical patent/EP0163776A3/en
Withdrawn legal-status Critical Current

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
    • B05B7/16—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 incorporating means for heating or cooling the material to be sprayed
    • B05B7/20—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 incorporating means for heating or cooling the material to be sprayed by flame or combustion
    • B05B7/201—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 incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle
    • B05B7/205—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 incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle the material to be sprayed being originally a particulate material
    • 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
    • C23C4/129—Flame spraying

Abstract

A supersonic flame spray apparatus (1, 1′) utilizing an internal burner continuously feeds oxy-fuel products of com­ bustion through an extended length nozzle (7, 37) of dimi­ nished throat area (14, 35), supersonic expansion duct (15, 44) and an extended length nozzle passage (16, 36). The expansion from the throat (14, 35) to the end of the expand­ ing duct provides a gas velocity of well in excess of super­ sonic velocity. Solid material in rod or particle form is in­ troduced axially or radially into the supersonic gas flow at the end of the expanding duct (15, 44). This permits the extended length nozzle passage (16, 36) to have a relatively large diameter which prevents the solid material (4, 29) introduced to the flow to melt, reach the nozzle passage wall, and adhere thereto or abrade the nozzle wall, while permitting low pressure material injection into the gas flow stream (G).
EP84116416A 1984-01-18 1984-12-28 Highly concentrated supersonic flame spray method and apparatus with improved material feed Withdrawn EP0163776A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57177584A 1984-01-18 1984-01-18
US571775 1984-01-18

Publications (2)

Publication Number Publication Date
EP0163776A2 EP0163776A2 (en) 1985-12-11
EP0163776A3 true EP0163776A3 (en) 1986-12-30

Family

ID=24284998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116416A Withdrawn EP0163776A3 (en) 1984-01-18 1984-12-28 Highly concentrated supersonic flame spray method and apparatus with improved material feed

Country Status (2)

Country Link
EP (1) EP0163776A3 (en)
JP (1) JPS60169555A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620201A1 (en) * 1986-06-16 1987-12-17 Castolin Gmbh Device for the thermal spraying of deposit-welding materials
FR2614751B1 (en) * 1987-04-29 1991-10-04 Aerospatiale METHOD AND DEVICE FOR THE INJECTION OF A MATERIAL IN A FLUID FORM INTO A HOT GAS FLOW AND APPARATUS USING THE SAME
US4836447A (en) * 1988-01-15 1989-06-06 Browning James A Duct-stabilized flame-spray method and apparatus
WO1989007016A1 (en) * 1988-02-01 1989-08-10 Nova-Werke Ag Device for producing an inert gas envelope for plasma spraying
CH675431A5 (en) * 1988-04-28 1990-09-28 Castolin Sa
US5019686A (en) * 1988-09-20 1991-05-28 Alloy Metals, Inc. High-velocity flame spray apparatus and method of forming materials
DE8909503U1 (en) * 1989-08-08 1989-09-28 Utp Schweissmaterial Gmbh & Co Kg, 7812 Bad Krozingen, De
US5271965A (en) * 1991-01-16 1993-12-21 Browning James A Thermal spray method utilizing in-transit powder particle temperatures below their melting point
DE4429142B4 (en) * 1994-08-17 2004-11-18 Matthäus Götz Nozzle spray head for high-speed flame spraying as well as processes for processing coating powders
US5531590A (en) * 1995-03-30 1996-07-02 Draco Shock-stabilized supersonic flame-jet method and apparatus
CN1045636C (en) * 1995-07-17 1999-10-13 中南工业大学 Equipment and process for injection deposition
JP2003129212A (en) * 2001-10-15 2003-05-08 Fujimi Inc Thermal spray method
US8992656B2 (en) * 2011-12-21 2015-03-31 Praxair Technology, Inc. Controllable solids injection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT197162B (en) * 1955-05-02 1958-04-10 Union Carbide Corp Flame spraying process and device for carrying out this process
US2990653A (en) * 1958-04-21 1961-07-04 G H Temant Company Method and apparatus for impacting a stream at high velocity against a surface to be treated
DE2818303A1 (en) * 1977-04-27 1978-11-02 Metco Inc METHOD AND DEVICE FOR PLASMA INJECTION OF A COATING MATERIAL ON A BASE
FR2458973A1 (en) * 1979-06-11 1981-01-02 United Technologies Corp METHOD AND APPARATUS FOR SPRAYING MATERIAL ON A PLASMA ARC SUBSTRATE
EP0049915A1 (en) * 1980-10-09 1982-04-21 Browning Engineering Corporation Highly concentrated supersonic liquified material flame spray method and apparatus
US4370538A (en) * 1980-05-23 1983-01-25 Browning Engineering Corporation Method and apparatus for ultra high velocity dual stream metal flame spraying

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT197162B (en) * 1955-05-02 1958-04-10 Union Carbide Corp Flame spraying process and device for carrying out this process
US2990653A (en) * 1958-04-21 1961-07-04 G H Temant Company Method and apparatus for impacting a stream at high velocity against a surface to be treated
DE2818303A1 (en) * 1977-04-27 1978-11-02 Metco Inc METHOD AND DEVICE FOR PLASMA INJECTION OF A COATING MATERIAL ON A BASE
FR2458973A1 (en) * 1979-06-11 1981-01-02 United Technologies Corp METHOD AND APPARATUS FOR SPRAYING MATERIAL ON A PLASMA ARC SUBSTRATE
US4370538A (en) * 1980-05-23 1983-01-25 Browning Engineering Corporation Method and apparatus for ultra high velocity dual stream metal flame spraying
EP0049915A1 (en) * 1980-10-09 1982-04-21 Browning Engineering Corporation Highly concentrated supersonic liquified material flame spray method and apparatus
US4416421A (en) * 1980-10-09 1983-11-22 Browning Engineering Corporation Highly concentrated supersonic liquified material flame spray method and apparatus

Also Published As

Publication number Publication date
EP0163776A2 (en) 1985-12-11
JPS60169555A (en) 1985-09-03

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