EP1250960A2 - Bol de pulvérisation et pulvérisateur rotatif - Google Patents

Bol de pulvérisation et pulvérisateur rotatif Download PDF

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Publication number
EP1250960A2
EP1250960A2 EP02007858A EP02007858A EP1250960A2 EP 1250960 A2 EP1250960 A2 EP 1250960A2 EP 02007858 A EP02007858 A EP 02007858A EP 02007858 A EP02007858 A EP 02007858A EP 1250960 A2 EP1250960 A2 EP 1250960A2
Authority
EP
European Patent Office
Prior art keywords
bell
edge
atomizer
concave
bell plate
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.)
Ceased
Application number
EP02007858A
Other languages
German (de)
English (en)
Other versions
EP1250960A3 (fr
Inventor
Hans-Jürgen Dr. Nolte
Peter Marquardt
Harry Krumma
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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 Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1250960A2 publication Critical patent/EP1250960A2/fr
Publication of EP1250960A3 publication Critical patent/EP1250960A3/fr
Ceased legal-status Critical Current

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Classifications

    • 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
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
    • B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • 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
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0426—Means for supplying shaping gas

Definitions

  • the invention relates to a bell cup for a rotary atomizer according to the preamble of claim 1, in particular for an electrostatic rotary atomizer for series coating of workpieces such as vehicle bodies.
  • the bell outer surface considered here ranges from one on the atomizer side Edge on which they may be in an axial peripheral part of the bell plate can pass up to the tear-off or spray edge of the bell plate.
  • Most currently common Bell plates have a straight cross-section in this area conical or more or less convex, i.e. outward curved outer surface.
  • the object of the invention is a bell plate or an atomizer with a bell plate specify the size of the atomizing and setting and Form of the spray jet requires less air than before.
  • FIG. 1 Bell plate with a straight or convex shape of the bell outer surface 1 or 1 'from an atomizer-side edge 2 to the spray edge 3.
  • steering air is supplied to the depending on the atomizer construction, axially parallel or in different ones Angle according to arrows 6 and 6 ' hit the surface 1 or according to the arrows 7 or 7 'flow past the bell plate outside the circumference air can also be against the drawing plane in or against the Direction of rotation of the bell plate must be inclined, e.g. can also result in swirl or whirling movements of the steering air.
  • the steering air cushion 8 forms on the surface 1 (or 1 ′) out.
  • Fig.2 This shows the schematically illustrated bell plate 1 that the bell outer surface 10 from Edge 12 to the spray edge 13 or at least up to it Immediate proximity concave, i.e. as shown inwards is arched.
  • the curvature curve is preferably continuous without turning point.
  • the concave curvature can in which the axis of rotation containing cross-section, for example circular, elliptical, parabolic or hyperbolic and at practical embodiments also be flatter than in the schematic representation.
  • the start and end stretches of this Curves can, but do not have to, run tangentially, depending on Expediency.
  • the steering air according to arrow 6 for example striking the surface 10 axially parallel and not outside the spray edge 13 flows past (arrow 7 in Fig. 1).
  • the steering air can also be selected from appropriately selected angles hit the surface 10 according to the arrow 6 'in FIG. 1.
  • the concave shape of the bell outer surface described here is to be distinguished from individual dent-like depressions, such as they are known, for example, in golf balls. Such recesses in the bell plate outside could with Complete paint particles or other impurities and would only require a lot of time and detergents clean. This problem exists with the one described here Bell plate not.
EP02007858A 2001-04-17 2002-04-08 Bol de pulvérisation et pulvérisateur rotatif Ceased EP1250960A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10118741A DE10118741A1 (de) 2001-04-17 2001-04-17 Glockenteller und Rotationszerstäuber
DE10118741 2001-04-17

Publications (2)

Publication Number Publication Date
EP1250960A2 true EP1250960A2 (fr) 2002-10-23
EP1250960A3 EP1250960A3 (fr) 2005-04-13

Family

ID=7681689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02007858A Ceased EP1250960A3 (fr) 2001-04-17 2002-04-08 Bol de pulvérisation et pulvérisateur rotatif

Country Status (2)

Country Link
EP (1) EP1250960A3 (fr)
DE (1) DE10118741A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068005A1 (fr) 2006-12-06 2008-06-12 Dürr Systems GmbH Anneau pour guider l'air comprenant une cavité annulaire et cloche correspondante
WO2009005915A1 (fr) * 2007-07-03 2009-01-08 Illinois Tool Works Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique
DE102008027997A1 (de) 2008-06-12 2009-12-24 Dürr Systems GmbH Universalzerstäuber
CN112044611A (zh) * 2020-09-22 2020-12-08 党如童 降雨式节水灌溉喷头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105186A1 (de) * 1981-02-13 1982-09-09 Kümmel, Joachim, Dipl.-Ing., 4044 Kaarst Rotationszerstaeuber
JP2000000496A (ja) * 1998-06-12 2000-01-07 Asahi Sunac Corp 回転霧化頭を用いた静電塗装ガン

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068005A1 (fr) 2006-12-06 2008-06-12 Dürr Systems GmbH Anneau pour guider l'air comprenant une cavité annulaire et cloche correspondante
CN101583433B (zh) * 2006-12-06 2013-02-06 杜尔系统有限责任公司 包括环形容腔的空气引导环以及对应的钟杯
US8827181B2 (en) 2006-12-06 2014-09-09 Durr Systems Gmbh Shaping air ring comprising an annular cavity and corresponding bell cup
WO2009005915A1 (fr) * 2007-07-03 2009-01-08 Illinois Tool Works Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique
US8602326B2 (en) 2007-07-03 2013-12-10 David M. Seitz Spray device having a parabolic flow surface
CN101678374B (zh) * 2007-07-03 2014-06-11 博兰智涂装控股公司 具有抛物线状流动表面的喷涂装置
EP2170525B1 (fr) * 2007-07-03 2018-05-16 Finishing Brands Holdings Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique
DE102008027997A1 (de) 2008-06-12 2009-12-24 Dürr Systems GmbH Universalzerstäuber
US8881672B2 (en) 2008-06-12 2014-11-11 Duerr Systems, Gmbh Universal atomizer
CN112044611A (zh) * 2020-09-22 2020-12-08 党如童 降雨式节水灌溉喷头

Also Published As

Publication number Publication date
DE10118741A1 (de) 2002-10-24
EP1250960A3 (fr) 2005-04-13

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