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GB1372275A - Electrostatic spraying - Google Patents

Electrostatic spraying

Info

Publication number
GB1372275A
GB1372275A GB5447471A GB5447471A GB1372275A GB 1372275 A GB1372275 A GB 1372275A GB 5447471 A GB5447471 A GB 5447471A GB 5447471 A GB5447471 A GB 5447471A GB 1372275 A GB1372275 A GB 1372275A
Authority
GB
United Kingdom
Prior art keywords
circuit
voltage
cavity
nov
trigger
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
GB5447471A
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.)
Nordson Corp
Original Assignee
Nordson Corp
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 Nordson Corp filed Critical Nordson Corp
Publication of GB1372275A publication Critical patent/GB1372275A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3381—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/035—Discharge apparatus, e.g. electrostatic spray guns characterised by gasless spraying, e.g. electrostatically assisted airless spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0531—Power generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/14—Paint sprayers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

1372275 Electrostatic spray guns NORDSON CORP 23 Nov 1971 [23 Nov 1970] 54474/71 Heading B2F [Also in Divisions H1 and H2] In an electrostatic spray gun which has an electrode 32, a power pack is provided comprising a combined transformer and oscillator circuit 42B which converts a low voltage d.c. supply entering through a cable 46 to an intermediate high frequency a.c. supply, and a multipler circuit 42A which transforms the latter voltage to a high d.c. voltage for charging the electrode 32. Spray material is supplied by a pump to a nozzle 60 through a conduit 38, cavity 56 and a valve 61 which includes a ball 61B and a seat 61A, the valve being opened by retraction of a spring-biased plunger 58 under the action of a trigger 30 joined to the rear of the plunger. Operating the trigger 30 also causes a cylinder 86 to engage and close a switch 80 to energise the circuit 42B. In a modification the multiplier circuit (42A'), Fig. 8 (not shown), is located in a semi-circular cavity (54') which partly surrounds a central cavity (56') in the barrel of the gun.
GB5447471A 1970-11-23 1971-11-23 Electrostatic spraying Expired GB1372275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9211470A 1970-11-23 1970-11-23

Publications (1)

Publication Number Publication Date
GB1372275A true GB1372275A (en) 1974-10-30

Family

ID=22231691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5447471A Expired GB1372275A (en) 1970-11-23 1971-11-23 Electrostatic spraying

Country Status (8)

Country Link
US (1) US3731145A (en)
JP (1) JPS5936282Y2 (en)
AT (1) AT326242B (en)
CA (1) CA946146A (en)
CH (1) CH551223A (en)
ES (1) ES397266A1 (en)
GB (1) GB1372275A (en)
IL (1) IL38109A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225907A (en) * 1988-12-09 1990-06-13 Graco Inc Method of selecting optimum series limiting resistance for high voltage control circuit

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GB1425506A (en) * 1972-03-03 1976-02-18 Redelec High-voltage dc generator in an electrostatic apparatus
SE371942B (en) * 1972-03-13 1974-12-09 Atlas Copco Ab
IT1006799B (en) * 1973-02-01 1976-10-20 Air Ind WATERFALL MULTIPLIER AND BUILT-IN ELECTROSTATIC SPRAY GUN
US3907202A (en) * 1973-05-10 1975-09-23 Skm Sa Spray-gun apparatus for atomizing paint or similar liquids
CH555704A (en) * 1973-09-13 1974-11-15 Gema Ag DEVICE FOR COATING OBJECTS USING ELECTROSTATICALLY ARRIVED PARTICLES.
US3863180A (en) * 1973-12-11 1975-01-28 Graco Inc High voltage generator
US3893006A (en) * 1974-01-14 1975-07-01 Nordson Corp High voltage power supply with overcurrent protection
US4033506A (en) * 1974-08-06 1977-07-05 Franz Braun Electrostatic coating guns
US4171098A (en) * 1974-08-06 1979-10-16 Franz Braun Electrostatic coating guns
US4004733A (en) * 1975-07-09 1977-01-25 Research Corporation Electrostatic spray nozzle system
US4258655A (en) * 1976-04-21 1981-03-31 Caterpillar Tractor Co. Electrostatic spray apparatus
US4077354A (en) * 1976-10-07 1978-03-07 Walberg Arvid C Fast discharge electrostatic coating system
US4073002A (en) * 1976-11-02 1978-02-07 Ppg Industries, Inc. Self-adjusting power supply for induction charging electrodes
US4120017A (en) * 1976-11-05 1978-10-10 Ppg Industries, Inc. Detachable power supply for induction type electrostatic spray gun
US4120016A (en) * 1976-11-05 1978-10-10 Ppg Industries, Inc. Detachable cylindrical power supply for induction type electrostatic spray gun
GB1597349A (en) * 1976-12-27 1981-09-03 Speeflo Mfg Corp Electrostatic spray coating apparatus
US4290091A (en) * 1976-12-27 1981-09-15 Speeflo Manufacturing Corporation Spray gun having self-contained low voltage and high voltage power supplies
US4165022A (en) * 1977-03-02 1979-08-21 Ransburg Corporation Hand-held coating-dispensing apparatus
US4331298A (en) * 1977-03-02 1982-05-25 Ransburg Corporation Hand-held coating-dispensing apparatus
CH623489A5 (en) * 1977-12-08 1981-06-15 Gema Ag
FR2424068A1 (en) * 1978-04-28 1979-11-23 Wagner J Ag ELECTROSTATIC SPRAY GUN
US4219865A (en) * 1978-09-05 1980-08-26 Speeflo Manufacturing Corporation Energy conversion unit for electrostatic spray coating apparatus and the like
US4323947A (en) * 1979-08-13 1982-04-06 J. Wagner Ag. Electrostatic gun with improved diode-capacitor multiplier
DE3026241C2 (en) * 1980-07-10 1985-03-21 Ernst Roederstein Spezialfabrik für Kondensatoren GmbH, 8300 Landshut Hand-held device for electrostatic flocking of objects
IT1137200B (en) * 1980-07-10 1986-09-03 Roederstein Ernst Spezialfabri MANUAL APPLIANCE FOR THE ELECTROSTATIC FLOCKING OF OBJECTS
US4355764A (en) * 1980-07-17 1982-10-26 Nordson Corporation Low capacitance airless spray apparatus
US4377838A (en) * 1980-11-17 1983-03-22 Speeflo Manufacturing Corporation Electrostatic spray gun apparatus
ES517085A0 (en) 1982-11-03 1983-10-16 Fusco Lupo Jose De IMPROVEMENTS INTRODUCED IN ELECTROSTATIC GUNS.
DE3243447C2 (en) * 1982-11-24 1984-09-20 Ransburg-Gema AG, St.Gallen Spray device for the electrostatic coating of objects with coating material
EP0120633B1 (en) * 1983-03-25 1988-12-14 Imperial Chemical Industries Plc Spraying apparatus
US4462061A (en) * 1983-06-29 1984-07-24 Graco Inc. Air turbine drive for electrostatic spray gun
DE3412507A1 (en) * 1984-04-03 1985-10-17 J. Wagner AG, Altstätten ELECTROSTATIC HAND SPRAY GUN
US4598871A (en) * 1984-05-10 1986-07-08 Nordson Corporation Multiple process electrostatic spray gun having integral power supply
US4572438A (en) * 1984-05-14 1986-02-25 Nordson Corporation Airless spray gun having improved nozzle assembly and electrode circuit connections
US4611762A (en) * 1984-10-26 1986-09-16 Nordson Corporation Airless spray gun having tip discharge resistance
US4645151A (en) * 1985-05-20 1987-02-24 Nordson Corporation Cable and connection apparatus for electrostatic powder guns
DE3545885C1 (en) * 1985-12-23 1993-03-04 Kopperschmidt Mueller & Co Electrostatic spray gun
US4824026A (en) * 1986-08-06 1989-04-25 Toyota Jidosha Kabushiki Kaisha And Ransburg-Gema K.K. Air atomizing electrostatic coating gun
US4745520A (en) * 1986-10-10 1988-05-17 Ransburg Corporation Power supply
DE3718154A1 (en) * 1987-05-29 1988-12-08 Gema Ransburg Ag SPRAY UNIT WITH A ROTATIONAL SPRAY ORGAN
US4830279A (en) * 1987-09-21 1989-05-16 Nordson Corporation Flat spray nozzle for a spray gun
CA1316980C (en) * 1988-12-27 1993-04-27 Daniel C. Hughey Power supply
DE3904438A1 (en) * 1989-02-14 1990-08-16 Gema Ransburg Ag SPRAY COATING DEVICE FOR ELECTROSTATIC SPRAY COATING
US4934607A (en) * 1989-03-29 1990-06-19 The Devilbiss Company Hand held electrostatic spray gun with internal power supply
DE3921213C1 (en) * 1989-06-28 1990-11-15 Wagner International Ag, Altstaetten, Ch
US5044564A (en) * 1989-11-21 1991-09-03 Sickles James E Electrostatic spray gun
US4971257A (en) * 1989-11-27 1990-11-20 Marc Birge Electrostatic aerosol spray can assembly
US5080289A (en) * 1990-05-25 1992-01-14 Graco Inc. Spraying voltage control with hall effect switches and magnet
DE4020289C1 (en) * 1990-06-26 1991-12-12 Wagner International Ag, Altstaetten, Ch
US5261610A (en) * 1990-09-18 1993-11-16 Nordson Corporation Coating dispenser with hydraulic-assisted valve closure
US5078325A (en) * 1990-09-18 1992-01-07 Nordson Corporation Coating dispenser with removable valve tip and valve seat
US5291124A (en) * 1992-06-30 1994-03-01 Hd Electric Company Tester for high voltage measuring apparatus
US5351903A (en) * 1993-04-06 1994-10-04 Russell Mazakas Electrostatic powder paint gun with trigger control variable voltage
EP0626208B2 (en) * 1993-04-08 2004-09-29 Nordson Corporation Power supply for an electrostatic spray gun
US5328095A (en) * 1993-04-08 1994-07-12 Grumman Aerospace Corporation Self-contained spray gun apparatus with spherical paint cup
DE19637308A1 (en) * 1996-09-13 1998-03-19 Abb Patent Gmbh Rotary spray atomizer
US6318644B1 (en) 1997-05-15 2001-11-20 Ronnie Joe Weiand Fluid transfer pump wash-out apparatus and method
US5978244A (en) 1997-10-16 1999-11-02 Illinois Tool Works, Inc. Programmable logic control system for a HVDC power supply
US6144570A (en) * 1997-10-16 2000-11-07 Illinois Tool Works Inc. Control system for a HVDC power supply
JP3822777B2 (en) * 2000-04-20 2006-09-20 追浜工業株式会社 Electrostatic application spreader
FR2818463B1 (en) * 2000-12-18 2003-02-28 Eisenmann France Sarl HIGH VOLTAGE GENERATOR FOR ELECTROSTATIC PAINT EQUIPMENT
DE10101369A1 (en) 2001-01-13 2002-07-18 Itw Oberflaechentechnik Gmbh Spraying method and spraying device for coating liquid
DE10101367A1 (en) 2001-01-13 2002-08-01 Itw Oberflaechentechnik Gmbh Spraying method and spraying device for coating liquid
DE10101372A1 (en) 2001-01-13 2002-08-01 Itw Oberflaechentechnik Gmbh Spraying method and spraying device for coating liquid
DE10142228A1 (en) 2001-08-29 2003-04-30 Itw Oberflaechentechnik Gmbh Fluid injection device
JP2005501714A (en) * 2001-09-06 2005-01-20 グラコ ミネソタ インコーポレーテッド Electrostatic spray gun using transformer saturation characteristics to limit chip power
DE10150759B4 (en) * 2001-10-13 2019-02-14 Gema Switzerland Gmbh Powder spray gun for coating powder
US20040040988A1 (en) * 2002-08-30 2004-03-04 Alexander Kevin L. High pressure ball and valve seat
US7793869B2 (en) * 2003-08-18 2010-09-14 Nordson Corporation Particulate material applicator and pump
US20050136733A1 (en) * 2003-12-22 2005-06-23 Gorrell Brian E. Remote high voltage splitter block
DE112006003268B4 (en) 2005-12-01 2014-09-25 Finishing Brands Holdings Inc. Electric generator
US7621471B2 (en) * 2005-12-16 2009-11-24 Illinois Tool Works Inc. High voltage module with gas dielectric medium or vacuum
US8134066B2 (en) * 2006-08-07 2012-03-13 Illinois Tool Works Inc. Electric power generator
JP2008149244A (en) * 2006-12-15 2008-07-03 Matsushita Electric Works Ltd Electrostatic atomizer
DE102007060211B4 (en) 2007-12-14 2022-04-28 Gema Switzerland Gmbh Method and device for electrostatic spray coating of objects
US8465263B2 (en) * 2009-06-22 2013-06-18 Wagner Spray Tech Corporation Dynamic control of an electric drive

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US2302289A (en) * 1938-12-06 1942-11-17 Union Oil Co Electrified spray method and apparatus
US2526763A (en) * 1946-05-20 1950-10-24 Ransburg Electro Coating Corp Electrostatic coating apparatus
CH496481A (en) * 1969-06-25 1970-09-30 Gema Ag App Bau Device for the electrostatic coating of objects with atomized solid particles
US3599038A (en) * 1969-07-28 1971-08-10 Hipotronics Apparatus and systems for high-voltage electrostatic charging of particles
US3568036A (en) * 1969-12-15 1971-03-02 Electronic Devices Inc Voltage-multiplier assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225907A (en) * 1988-12-09 1990-06-13 Graco Inc Method of selecting optimum series limiting resistance for high voltage control circuit
GB2225907B (en) * 1988-12-09 1992-12-16 Graco Inc Method of selecting optimum series limiting resistance for high voltage control circuit

Also Published As

Publication number Publication date
CH551223A (en) 1974-07-15
AT326242B (en) 1975-11-25
JPS58108162U (en) 1983-07-23
IL38109A (en) 1975-04-25
JPS5936282Y2 (en) 1984-10-05
CA946146A (en) 1974-04-30
ATA1008071A (en) 1975-02-15
US3731145A (en) 1973-05-01
IL38109A0 (en) 1972-01-27
ES397266A1 (en) 1974-04-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years