JPH09276750A - Rotary-atomization electrostatic coater - Google Patents

Rotary-atomization electrostatic coater

Info

Publication number
JPH09276750A
JPH09276750A JP9379296A JP9379296A JPH09276750A JP H09276750 A JPH09276750 A JP H09276750A JP 9379296 A JP9379296 A JP 9379296A JP 9379296 A JP9379296 A JP 9379296A JP H09276750 A JPH09276750 A JP H09276750A
Authority
JP
Japan
Prior art keywords
rotary
bell head
air motor
air
bearing
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.)
Pending
Application number
JP9379296A
Other languages
Japanese (ja)
Inventor
Ichio Tomita
易智雄 富田
Isamu Yamazaki
山崎  勇
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP9379296A priority Critical patent/JPH09276750A/en
Priority to EP97106001A priority patent/EP0801991A3/en
Publication of JPH09276750A publication Critical patent/JPH09276750A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1064Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces the liquid or other fluent material to be sprayed being axially supplied to the rotating member through a hollow rotating shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0415Driving means; Parts thereof, e.g. turbine, shaft, bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053Arrangements for supplying power, e.g. charging power
    • B05B5/0533Electrodes specially adapted therefor; Arrangements of electrodes

Landscapes

  • Electrostatic Spraying Apparatus (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide the rotary-atomization electrostatic coater capable of being lighted in weight. SOLUTION: A needle electrode 15 is opposed to the rotating shaft 2 or bell head 1 of this rotary-atomization electrostatic coater, and the bell head 1 is charged by utilizing a corona discharge directly or through the rotating shaft 2. Consequently, the bearing and bearing housing need not be formed from a metallic material, and the coater is remarkably lightened in weight by forming them from a ceramic or a resin.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、エアモータの軽量
化をはかることができる回転霧化静電塗装装置に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary atomizing electrostatic coating device capable of reducing the weight of an air motor.

【0002】[0002]

【従来の技術】最近主流になっている回転霧化静電塗装
装置の概要を、図3、図4に示す。回転霧化静電塗装装
置は、主に、ベルヘッド(霧化頭)1、回転軸2、エア
モータ3´、本体ハウジング4´、シェーピングエアキ
ャップ5、塗料フィードチューブ6、高電圧発生器7、
で構成されている。エアモータ3´は、ラジアル軸受8
´、スラスト軸受9´、これらの軸受を固定するハウジ
ング10´、11´、タービン駆動エア供給ノズル13
´を含む。回転霧化静電塗装装置のエアモータ3´の軸
受には、静圧空気軸受が用いられることが主流になって
いる。静圧空気軸受は、外部から加圧した空気を軸受8
´と回転軸2との隙間に供給し回転軸2を浮上させ、非
接触、無給油回転とされている。また、回転軸2に締結
されたベルヘッド1は、回転軸2にあるタービン羽根1
2に圧縮空気を供給することにより駆動される。ベルヘ
ッド1を高電圧に帯電させる場合、エアモータ構成部品
をすべて(軸受メタルを除く)導電性の材料(おもに金
属材料)から構成し(ハウジング10´、11´はアル
ミニウム、軸受8´、9´は砲金)、エアモータ1外周
面に電極ピン14を接触させることにより行っている。
この場合、軸受8´、9´と回転軸2との隙間の空気層
が薄く、軸受8´、9´の高電圧により放電し、空気層
の絶縁性が破壊され(絶縁破壊)、導電性の回転軸(S
US)2、ベルヘッド1を帯電させる。電極ピン(また
はスプリング、板バネなど)14を回転軸2に接触させ
ることはできない。もしも、回転軸2に接触させると、
回転軸2に押し力が作用して、負荷能力が小さい静圧空
気軸受が損傷してしまうからである。
2. Description of the Related Art An outline of a rotary atomizing electrostatic coating apparatus, which has recently become mainstream, is shown in FIGS. The rotary atomizing electrostatic coating device mainly includes a bell head (atomizing head) 1, a rotary shaft 2, an air motor 3 ', a main body housing 4', a shaping air cap 5, a paint feed tube 6, a high voltage generator 7,
It is composed of The air motor 3'includes a radial bearing 8
′, Thrust bearing 9 ′, housings 10 ′ and 11 ′ for fixing these bearings, turbine drive air supply nozzle 13
including. As a bearing of the air motor 3'of the rotary atomizing electrostatic coating device, a static pressure air bearing is mainly used. The hydrostatic air bearing uses the air that is pressurized from the outside.
'Is supplied to the gap between the rotary shaft 2 and the rotary shaft 2 to levitate, and the rotation is non-contact and oil-free rotation. Further, the bell head 1 fastened to the rotary shaft 2 has a turbine blade 1 on the rotary shaft 2.
2 is driven by supplying compressed air. When the bell head 1 is charged to a high voltage, all the air motor components (excluding the bearing metal) are made of a conductive material (mainly metal material) (the housings 10 'and 11' are aluminum, the bearings 8'and 9'are (The gun metal) and the electrode pin 14 is brought into contact with the outer peripheral surface of the air motor 1.
In this case, the air layer in the gap between the bearings 8'and 9'and the rotating shaft 2 is thin, and the high voltage of the bearings 8'and 9'discharges, the insulation of the air layers is destroyed (dielectric breakdown), and the conductivity is reduced. Axis of rotation (S
US) 2, the bell head 1 is charged. The electrode pin (or spring, leaf spring, etc.) 14 cannot be brought into contact with the rotating shaft 2. If it contacts the rotating shaft 2,
This is because the pressing force acts on the rotary shaft 2 and the hydrostatic air bearing having a small load capacity is damaged.

【0003】[0003]

【発明が解決しようとする課題】しかし、従来装置に
は、エアモータの構成部品が導電性材料(主に金属材
料)であるため、以下の問題がある。 金属材料は比重が大のため、エアモータの重量が重
くなる。 エアモータ周りより絶縁破壊しないようにするた
め、十分な厚さの絶縁材(図4では本体ハウジング4´
に相当している、材料はたとえばポリエチレンテレフタ
レート)で被覆する必要があり、塗装装置本体が大型で
重くなる。本発明の目的は、エアモータ、したがって塗
装装置の軽量化をはかることができる回転霧化静電塗装
装置を提供することにある。
However, the conventional device has the following problems because the components of the air motor are made of a conductive material (mainly a metal material). Since the metal material has a large specific gravity, the weight of the air motor becomes heavy. Insulation material of sufficient thickness (in Fig. 4, main body housing 4'to prevent dielectric breakdown from around the air motor)
The material must be coated with, for example, polyethylene terephthalate, which makes the coating apparatus body large and heavy. It is an object of the present invention to provide a rotary atomizing electrostatic coating device capable of reducing the weight of an air motor, and hence the coating device.

【0004】[0004]

【課題を解決するための手段】上記目的を達成する本発
明はつぎの通りである。ベルヘッドを取りつけた回転軸
をエアモータで支持、駆動する回転霧化静電塗装装置で
あって、回転軸またはベルヘッドに針電極を対向させて
設け該針電極からコロナ放電を利用してベルヘッドを、
直接または回転軸を介して、帯電させる構造とした回転
霧化静電塗装装置。
The present invention to achieve the above object is as follows. A rotary atomizing electrostatic coating device that supports and drives a rotating shaft having a bell head attached thereto by an air motor, wherein a needle electrode is provided facing the rotating shaft or the bell head, and the bell head is formed by utilizing corona discharge from the needle electrode.
A rotary atomizing electrostatic coating device with a structure that is charged directly or through a rotary shaft.

【0005】上記装置では、コロナ放電を利用して、回
転軸またはベルヘッドを非接触で帯電させるので、エア
モータの軸受やハウジングを非導電性材料、たとえばセ
ラミックや樹脂から構成することができ、従来の金属材
料エアモータにくらべて、エアモータと回転霧化静電塗
装装置の軽量化をはかることができる。
In the above apparatus, since the rotating shaft or the bell head is charged in a non-contact manner by utilizing corona discharge, the bearing and the housing of the air motor can be made of a non-conductive material such as ceramic or resin. It is possible to reduce the weight of the air motor and the rotary atomizing electrostatic coating device as compared with the metal material air motor.

【0006】[0006]

【発明の実施の形態】本発明実施例の回転霧化静電塗装
装置を図面を参照して説明する。図1は本発明の第1実
施例を示し、図2は本発明の第2実施例を示す。本発明
の第1、第2実施例にわたって共通する部分には本発明
の第1、第2実施例にわたって同じ符号を付してある。
また、本発明実施例と従来装置とにわたって共通する部
分にも同じ符号を付してある。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A rotary atomizing electrostatic coating apparatus according to an embodiment of the present invention will be described with reference to the drawings. 1 shows a first embodiment of the present invention, and FIG. 2 shows a second embodiment of the present invention. Parts common to the first and second embodiments of the present invention are designated by the same reference numerals throughout the first and second embodiments of the present invention.
Further, the same reference numerals are given to the portions common to the embodiment of the present invention and the conventional apparatus.

【0007】まず、本発明の第1、第2実施例に共通す
る部分を、たとえば図1を参照して、説明する。図1に
おいて、本発明実施例の回転霧化静電塗装装置は、主
に、塗料を微粒化して飛散させ、回転されるベルヘッド
(霧化頭)1、ベルヘッド1を前端に取りつけた回転軸
2、回転軸2を回転自在に支持し回転駆動するエアモー
タ3、エアモータ3を納めた本体ハウジング4、本体ハ
ウジング4の前端に設けられたシェーピングエアキャッ
プ5(図3に準じる)、ベルヘッド1に塗料を供給する
塗料フィードチューブ6(図3に準じる)、最終的にベ
ルヘッド1を高圧に帯電させるための高電圧を発生させ
る高電圧発生器7、で構成されている。エアモータ3
は、回転軸2を回転自在に支持するラジアル軸受8、ス
ラスト軸受9、これらの軸受を固定するハウジング1
0、11、回転軸2と一体のタービン羽根にエアを送る
タービン駆動エア供給ノズル13を含む。回転霧化静電
塗装装置のエアモータ3の軸受には、静圧空気軸受が用
いられることが主流になっている。静圧空気軸受は、外
部から加圧した空気を軸受8と回転軸2との隙間(数〜
100μm厚さ)に供給し回転軸2を浮上させ、非接
触、無給油回転とされている。また、回転軸2に締結さ
れたベルヘッド1は、回転軸2にあるタービン羽根12
に圧縮空気を供給することにより駆動される。
First, a portion common to the first and second embodiments of the present invention will be described with reference to, for example, FIG. Referring to FIG. 1, a rotary atomizing electrostatic coating apparatus according to an embodiment of the present invention mainly comprises a bell head (atomizing head) 1 that is rotated by atomizing and scattering the paint, and a rotary shaft 2 having the bell head 1 attached to the front end. , An air motor 3 that rotatably supports and rotates the rotating shaft 2, a body housing 4 that houses the air motor 3, a shaping air cap 5 (according to FIG. 3) provided at the front end of the body housing 4, and a paint on the bell head 1. It comprises a paint feed tube 6 (according to FIG. 3) to be supplied, and a high voltage generator 7 for finally generating a high voltage for charging the bell head 1 to a high voltage. Air motor 3
Is a radial bearing 8 for rotatably supporting the rotary shaft 2, a thrust bearing 9, and a housing 1 for fixing these bearings.
0, 11, and a turbine drive air supply nozzle 13 for sending air to the turbine blade integrated with the rotary shaft 2. As the bearing of the air motor 3 of the rotary atomizing electrostatic coating device, a static pressure air bearing is mainly used. The static pressure air bearing uses air pressurized from the outside to form a gap (several to several degrees) between the bearing 8 and the rotary shaft 2.
100 μm thick) to make the rotary shaft 2 levitate, and the rotation is non-contact and oil-free rotation. In addition, the bell head 1 fastened to the rotary shaft 2 has a turbine blade 12 on the rotary shaft 2.
It is driven by supplying compressed air to.

【0008】ベルヘッド1を高電圧に帯電させる構造
は、回転軸2またはベルヘッド1に針電極15を対向さ
せて設け(図示例では針電極15が回転軸2に対向して
いる場合を示しているが、ベルヘッド1に対向させても
よい)、針電極15からコロナ放電(気体中の放電の一
形式で、針状の電極に高電圧(たとえば、数千ボルト)
を与えたときに、火花放電が起こる前に生じる、針の先
端で弱く発光する放電)を利用してベルヘッド1を、直
接または回転軸2を介して、帯電させる構造からなる。
ベルヘッド1と回転軸2は、従来同様、導電性材料(た
とえば、SUS)からなる。針電極15は高電圧発生器
7に接続される。
The structure for charging the bell head 1 to a high voltage is provided with the needle electrode 15 facing the rotary shaft 2 or the bell head 1 (in the illustrated example, the needle electrode 15 faces the rotary shaft 2). However, it may be opposed to the bell head 1), a corona discharge from the needle electrode 15 (a type of discharge in gas, a high voltage (for example, thousands of volts) is applied to the needle electrode.
Is applied, the bell head 1 is charged directly or via the rotating shaft 2 by using the discharge that weakly emits light at the tip of the needle, which occurs before the spark discharge occurs.
The bell head 1 and the rotary shaft 2 are made of a conductive material (for example, SUS) as in the conventional case. The needle electrode 15 is connected to the high voltage generator 7.

【0009】この構造によって、軸受8、9、軸受固定
ハウジング10、11は、導電性材料である必要がなく
なり、非導電性材料(たとえば、樹脂やセラミックス)
から構成されてもよくなる。本発明実施例では、ラジア
ル軸受8とスラスト軸受9がセラミックから構成され、
ラジアル軸受固定ハウジング10とスラスト軸受固定ハ
ウジング11が樹脂(たとえば、ポリエチレンテレフタ
レート)から構成されている。その結果、セラミック
ス、樹脂は金属材料に比べて比重が小のため、従来の金
属材料からなる場合に比べて、エアモータ3および塗装
装置が軽量化される。樹脂(たとえば、ポリエチレンテ
レフタレート)は金属材料に比べて柔らかく、加工時間
が短くて済むので、製造コストも低減される。さらに、
導電性材料を減らすことで、装置の静電容量を減らすこ
とができ、装置の取扱いが容易になる。
With this structure, the bearings 8 and 9 and the bearing fixed housings 10 and 11 do not need to be conductive materials, and non-conductive materials (for example, resin or ceramics).
May be composed of In the embodiment of the present invention, the radial bearing 8 and the thrust bearing 9 are made of ceramic,
The radial bearing fixed housing 10 and the thrust bearing fixed housing 11 are made of resin (for example, polyethylene terephthalate). As a result, since the specific gravity of ceramics and resin is smaller than that of metal materials, the weight of the air motor 3 and the coating device is reduced as compared with the case of using conventional metal materials. The resin (for example, polyethylene terephthalate) is softer than the metal material and requires less processing time, so that the manufacturing cost is also reduced. further,
By reducing the conductive material, the capacitance of the device can be reduced and the device is easier to handle.

【0010】つぎに、本発明の各実施例に特有な部分を
説明する。本発明の第1実施例では、エアモータ3と本
体ハウジング4が別体の場合を示している。本体ハウジ
ング4も樹脂(たとえば、ポリエチレンテレフタレー
ト)からなる。高電圧発生器7、シェーピングエア経路
16(図3参照)は、本体ハウジング4に設置される。
エアモータ3の外周部であるラジアル軸受固定ハウジン
グ10、スラスト軸受固定ハウジング11が樹脂等の絶
縁材からなるので、本体ハウジング4は電気絶縁上、従
来ほどには厚くする必要がなく、その分、小型化、軽量
化がはかられている。
Next, parts unique to each embodiment of the present invention will be described. The first embodiment of the present invention shows the case where the air motor 3 and the main body housing 4 are separate bodies. The main body housing 4 is also made of resin (for example, polyethylene terephthalate). The high voltage generator 7 and the shaping air path 16 (see FIG. 3) are installed in the main body housing 4.
Since the radial bearing fixed housing 10 and the thrust bearing fixed housing 11, which are the outer peripheral portion of the air motor 3, are made of an insulating material such as resin, the main body housing 4 does not need to be thicker than the conventional one in terms of electrical insulation, and accordingly, the size is small. And weight reduction.

【0011】本発明の第2実施例では、エアモータ3の
外周部の樹脂部(ラジアル軸受固定ハウジング10、ス
ラスト軸受固定ハウジング11)に本体ハウジングを兼
ねさせ、本体ハウジングを設けることを省略した場合を
示している。エアモータ3のハウジング内に、高電圧発
生器7、シェーピングエア経路16(図3参照)を設置
してある。本体ハウジングを設けないので、その分、大
幅な装置の小型化と軽量化がはかられている。
In the second embodiment of the present invention, a case where the resin portion (radial bearing fixed housing 10 and thrust bearing fixed housing 11) on the outer peripheral portion of the air motor 3 also serves as the main body housing and the main body housing is omitted is described. Shows. A high voltage generator 7 and a shaping air path 16 (see FIG. 3) are installed in the housing of the air motor 3. Since the main body housing is not provided, the size and weight of the device are greatly reduced accordingly.

【0012】[0012]

【発明の効果】本発明の装置によれば、針状電極を設け
てコロナ放電によってベルヘッドを帯電させるようにし
たので、エアモータの軸受および軸受ハウジングを金属
材料から構成する必要がなくなり、軽量の材料、たとえ
ばセラミック、樹脂から構成することにより、エアモー
タ、塗装装置の軽量化をはかることができる。
According to the apparatus of the present invention, since the bell head is charged by corona discharge by providing the needle-shaped electrode, it is not necessary to form the bearing and the bearing housing of the air motor from a metal material, and a lightweight material. The weight of the air motor and the coating device can be reduced by using, for example, ceramic or resin.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1実施例の回転霧化静電塗装装置の
概略断面図である。
FIG. 1 is a schematic sectional view of a rotary atomizing electrostatic coating device according to a first embodiment of the present invention.

【図2】本発明の第2実施例の回転霧化静電塗装装置の
概略断面図である。
FIG. 2 is a schematic sectional view of a rotary atomizing electrostatic coating device according to a second embodiment of the present invention.

【図3】従来の回転霧化静電塗装装置の全体概略断面図
である。
FIG. 3 is an overall schematic sectional view of a conventional rotary atomizing electrostatic coating device.

【図4】従来の回転霧化静電塗装装置の概略断面図であ
る。
FIG. 4 is a schematic sectional view of a conventional rotary atomizing electrostatic coating device.

【符号の説明】[Explanation of symbols]

1 ベルヘッド 2 回転軸 3 エアモータ 4 本体ハウジング 7 高電圧発生器 8 ラジアル軸受 9 スラスト軸受 10 ラジアル軸受固定ハウジング 11 スラスト軸受固定ハウジング 12 エアタービン 15 針電極 1 Bell Head 2 Rotating Shaft 3 Air Motor 4 Body Housing 7 High Voltage Generator 8 Radial Bearing 9 Thrust Bearing 10 Radial Bearing Fixed Housing 11 Thrust Bearing Fixed Housing 12 Air Turbine 15 Needle Electrode

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ベルヘッドを取りつけた回転軸をエアモ
ータで支持、駆動する回転霧化静電塗装装置であって、
前記回転軸または前記ベルヘッドに針電極を対向させて
設け該針電極からコロナ放電を利用して前記ベルヘッド
を、直接または前記回転軸を介して、帯電させる構造と
したことを特徴とする回転霧化静電塗装装置。
1. A rotary atomizing electrostatic coating device in which a rotary shaft having a bell head mounted thereon is supported and driven by an air motor,
A rotary atomization characterized in that a needle electrode is provided so as to face the rotating shaft or the bell head, and the bell head is charged by using corona discharge from the needle electrode directly or through the rotating shaft. Electrostatic coating device.
JP9379296A 1996-04-16 1996-04-16 Rotary-atomization electrostatic coater Pending JPH09276750A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9379296A JPH09276750A (en) 1996-04-16 1996-04-16 Rotary-atomization electrostatic coater
EP97106001A EP0801991A3 (en) 1996-04-16 1997-04-11 Rotary atomizing electrostatic coating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9379296A JPH09276750A (en) 1996-04-16 1996-04-16 Rotary-atomization electrostatic coater

Publications (1)

Publication Number Publication Date
JPH09276750A true JPH09276750A (en) 1997-10-28

Family

ID=14092276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9379296A Pending JPH09276750A (en) 1996-04-16 1996-04-16 Rotary-atomization electrostatic coater

Country Status (2)

Country Link
EP (1) EP0801991A3 (en)
JP (1) JPH09276750A (en)

Cited By (2)

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US7775719B2 (en) * 2003-01-10 2010-08-17 Sony Corporation Bearing unit and rotary drive using the same
KR101027671B1 (en) * 2008-10-13 2011-04-12 한국타이어 주식회사 Apparatus for coating luminous composition onto the TWI surface of tire

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DE10001570A1 (en) * 2000-01-15 2001-07-19 Lactec Gmbh Electrostatic rotary atomizer
DE10115463A1 (en) 2001-03-29 2002-10-02 Duerr Systems Gmbh Atomizer for a coating system and process for its material supply
DE10202711A1 (en) 2002-01-24 2003-07-31 Duerr Systems Gmbh Sprayer unit for electrostatic serial coating of workpieces comprises an electrode array integrated into the ring section of insulating material on the outer housing of the unit
DE10231421A1 (en) 2002-07-11 2004-01-22 Dürr Systems GmbH Method and system for supplying a powder coating device
DE10233197A1 (en) * 2002-07-22 2004-02-05 Dürr Systems GmbH Equipotential bonding arrangement for an electrostatic rotary atomizer
DE10239517A1 (en) 2002-08-28 2004-03-11 Dürr Systems GmbH Coating device with a rotary atomizer and method for controlling its operation
DE10245594A1 (en) 2002-09-30 2004-04-08 Dürr Systems GmbH Collision detection method
US6991178B2 (en) 2003-01-24 2006-01-31 Dürr Systems, Inc. Concentric paint atomizer shaping air rings
CN104640339A (en) * 2015-01-12 2015-05-20 广东韦达尔科技有限公司 Plasma surface treatment device
CN104619107A (en) * 2015-01-12 2015-05-13 广东韦达尔科技有限公司 Electromagnetic plasma rotary processing device
DE102015004066A1 (en) * 2015-03-28 2016-09-29 Eisenmann Se Shaft element of an air bearing, air bearing and rotary atomizer

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US4114564A (en) * 1963-06-13 1978-09-19 Ransburg Corporation Electrostatic coating apparatus
US4398672A (en) * 1980-03-20 1983-08-16 National Research Development Corporation Electrostatic spraying
US4589597A (en) * 1983-10-03 1986-05-20 Graco Inc. Rotary atomizer spray painting device
US4887770A (en) * 1986-04-18 1989-12-19 Nordson Corporation Electrostatic rotary atomizing liquid spray coating apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775719B2 (en) * 2003-01-10 2010-08-17 Sony Corporation Bearing unit and rotary drive using the same
KR101027671B1 (en) * 2008-10-13 2011-04-12 한국타이어 주식회사 Apparatus for coating luminous composition onto the TWI surface of tire

Also Published As

Publication number Publication date
EP0801991A2 (en) 1997-10-22
EP0801991A3 (en) 1998-08-19

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