美国专利US20010001946A1 Rotary atomizer for particulate paints

专利PDF首页>>美国专利

专利附录

专利说明

权利要求

类似技术

同族专利

引用文献

法律状态

优先权

专利摘要:
A rotary atomizer applies particulate paints with good color matching by reducing paint droplet size deviation and then optimizing the other paint spraying parameters. Paint droplet size parameters are reduced by using a bell cup having reduced flow deviations, including an overflow surface having a generally constant angle between a deflector and an atomizing edge.
公开号:US20010001946A1
申请号:US09/769,707
申请日:2001-01-25
公开日:2001-05-31
发明作者:Kurt Vetter；Rolf Schneider；Andreas Fischer；Robert Heldt
申请人:Kurt Vetter；Rolf Schneider；Andreas Fischer；Heldt Robert F.；
IPC主号:B05B3-1064

专利说明:
[0001] This application claims priority to U.S. provisional patent application Ser. No. 60/079,565, filed Mar. 27, 1998. [0001] BACKGROUND OF THE INVENTION
[0002] The present invention relates generally to rotary atomizers and more particularly to a rotary atomizer having improved performance for particulate paints. [0002]
[0003] Currently, many paints are applied by rotary atomizers to work pieces, such as automobile bodies. Rotary atomizers include a rotating bell cup having a generally conical overflow surface between a radially inward central axial opening and a radially outward atomizing edge. At or near the atomizing edge, the angle of the overflow surface relative to the axis of the bell cup decreases sharply to form a lip adjacent the atomizing edge. The purpose of this lip is to generally direct the atomized paint more axially forward and reduce radial scatter. The known atomizer bell cups further include a deflector, also of generally rotational symmetry, disposed in front of the central axial opening. Paint entering the bell cup through the central axial opening contacts the rear surface of the deflector and is disbursed radially outwardly towards the overflow surface. [0003]
[0004] In the known atomizer bell cups, the paint follows a tortuous, turbulent path from the nozzle to the atomizing edge. As a result, the paint flow to the atomizing edge is turbulent and fluctuates cyclically. As a result, paint from the atomizer is atomized to a wide variety of paint droplet sizes. The paint droplets can vary by up to 100 microns or more. [0004]
[0005] Current rotary atomizers are unable to obtain good color matching applying paints with particulates, such as mica. Generally, the mica comprise particles on the order of 3 microns by 200 microns. When this paint is applied by rotary atomizers, the mica particles are oriented generally perpendicular to the application surface. As a result, the paint has a different tint or color than intended, i.e. with the mica particles laying flat. In order to correct this problem, a second coat of the paint is typically applied with air atomized spray guns rather than rotary atomizers. This second coat provides the proper color; however, air atomized spray guns have a low transfer efficiency (approximately 50%) compared to rotary atomizers (approximately 80%). The air atomized spray guns therefore increase the amount of paint lost, increasing the cost of the paint process and cause environmental concerns regarding the disposal of the lost paint. [0005] SUMMARY OF THE INVENTION
[0006] The present invention provides a rotary atomizer which provides improved color matching. Generally, the improved atomizer provides a more uniformed paint droplet size, which in turn facilitates control of the particulates in order to assure proper orientation of the particulates and obtain good color matching. [0006]
[0007] The rotary atomizer bell cup according to the present invention provides several inventive features directed toward reducing deviation in paint droplet size. First, the bell cup includes a generally conical overflow surface having a generally constant flow angle between a deflector and the atomizing edge. Further, the exposed surface area of the overflow surface is increased by decreasing the size of the deflector relative to previous bell cups in order to cause evaporation of solvent from the paint from the overflow surface. The diameter of the atomizing edge is also increased, thereby reducing the thickness of the paint film at the atomizing edge. The bell cup is designed to reduce flow deviations of the paint as it travels from the axial opening to the spray edge in order to provide laminar flow of the paint across the overflow surface and the atomizing edge. [0007]
[0008] The bell cup is made hollow in order to reduce the weight of the bell cup. A rear cover is secured to the rear of the bell cup body, enclosing an annular cavity. [0008] BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The above, as well as other advantages of the present invention, will become readily apparent to those skilled in the art from the following detailed description of a preferred embodiment when considered in the light of the accompanying scale drawings in which: [0009]
[0010] FIG. 1 is a scale drawing of the atomizer of the present invention; [0010]
[0011] FIG. 2 is a scale drawing in cross section of the atomizer of FIG. 1; [0011]
[0012] FIG. 3 is a scale drawing front view of the bell cup of FIG. 2; [0012]
[0013] FIG. 4 is a scale enlarged view of the deflector of FIG. 2; [0013]
[0014] FIG. 5 is a scale cross-sectional view of an alternate bell cup; [0014]
[0015] FIG. 6 is an enlarged scale view of the deflector in the bell cup of FIG. 5; [0015]
[0016] FIG. 7 is a scale bottom view of the bell cup of FIG. 5; and [0016]
[0017] FIG. 8 illustrates one possible layout for applying a base coat with the atomizer of FIG. 1 and the bell cup of FIG. 2 or [0017] 5. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
[0018] FIG. 1 illustrates a rotary atomizer [0018] 20 and a bell cup 22 according to the present invention. The atomizer includes a shaping air ring 23 which preferably includes 30 nozzles generally parallel to the axis of the atomizer. The shaping air ring 23 supplies shaping air, preferably at 100 liters per minute. With the reduced number of holes from the known shaping air ring (typically 40), this produces increased turbulence by the shaping air.
[0019] The bell cup [0019] 22 is shown in more detail in FIGS. 2-3. Bell cup 22 includes a central axial opening 24 at the base of the bell cup 22. The central axial opening 24 includes a coaxial passageway onto a front surface 26 of the bell cup 24. The front surface 26 of the bell cup 22 includes a central flat portion 28 generally perpendicular to the axis of the bell cup 22 and a generally conical overflow surface 30 from the perpendicular portion 28 to a spray edge 32. Between the perpendicular surface 28 and the spray edge 32, the overflow surface 30 has a smooth continuous surface of a constant flow angle a relative to the annular spray edge 32, preferably 5-40 degrees, more preferably 26-30 degrees and most preferably 28.25 degrees. The diameter of the annular spray edge 32 is preferably 63-75 mm, and most preferably 64.6 millimeters.
[0020] An annular hub [0020] 33 extends rearwardly from the bell cup 22 and includes an externally threaded portion 34. A frustoconical rear cover 35 is threaded onto the threaded portion 34 of the annular hub 33 and welded or glued to the rear of the bell cup 22 behind the spray edge 32. As a result, the body of the bell cup 22 behind the overflow surface 26 is hollow, reducing the weight of the bell cup 22. A concentric inner hub 36 extends rearwardly from the bell cup 22 and is externally threaded for mounting to the atomizer 20. Other means for attaching the bell cup 22 to the atomizer 20 can also be utilized. The spray edge 32 forms a sharp edge between the overflow surface 30 and a small bevel 38 leading to the outer rear surface of the bell cup 22.
[0021] If the atomizer [0021] 20 is to be used to apply basecoat, the bell cup 22 preferably comprises a titanium alloy, preferably Ti-6A1-4V. If the atomizer 20 is to be used to apply clear coat or primer, the bell cup 22 is preferably Aluminum, most preferably 6A1-4V, 6A1-25N-4Zr-2MO. If the bell cup 22 is titanium, the rear cover 35 is preferably welded to the rear of the bell cup 22 behind the spray edge 32. If Aluminum is used, the rear cover 35 is preferably glued to the rear of the bell cup 22 behind the spray edge 32. Small serrations may be formed on the surface 26 at the spray edge 32 for clearcoat spraying. These serrations are well known and utilized in the art.
[0022] Positioned in front of the central axial opening [0022] 24 is a deflector 40 which includes a rear surface 42 generally parallel to the perpendicular surface 28 of the bell cup 22 and a rear conical surface 44 which is preferably parallel to the overflow surface 30 of the bell cup 22. The deflector 40 is preferably approximately 22.3 millimeters in diameter, and preferably approximately ⅓ of the diameter of the spray edge 32. More particularly, the diameter of the deflector is less than 40 percent, and most preferably approximately 34.5 percent the diameter of the spray edge 32.
[0023] The deflector [0023] 40 is shown in more detail in FIG. 4. A passageway 50 leads from the rear surface 42 to a front surface 52 of the deflector 40 and includes four tubular passageways 54 (two shown) leading from the rear surface 42. The deflector 40 is retained on the bell cup 22 with a plurality, preferably 3, press fit, barbed connectors 56 having spacers 58 preferably 0.7 millimeters wide.
[0024] The improved bell cup [0024] 22 provides a reduced deviation in particle size, which in turn facilitates control of the particulates. In other words, if the size of the atomized paint particles from the spray edge 32 is known, the shaping air velocity, turbulence and RPM of the bell cup 22 and paint flow can be adjusted to ensure that the particles are forced to lay flat on the painted surface by the shaping air from the shaping air ring 23. With a reduced deviation in particle size, these parameters can be optimized for a greater percentage of the paint droplets, thereby providing better color matching.
[0025] The reduced deviation in particle size is a result of several inventive aspects of the bell cup [0025] 22 and deflector 40. First, the larger annular surface 30 causes more of the solvent (such as water) to evaporate before reaching the spray edge 32. The large diameter spray edge 32 provides a thin film of paint at the spray edge 32. The reduced ratio of the deflector disk 40 to the spray edge 32 provides a more constant, laminar flow across the overflow surface 30 to the spray edge 32. Because the conical surface 30 is continuous and smooth from the deflector 40 to the spray edge 32 and has a constant angle α, the paint flow rate to the spray edge is constant (i.e. does not oscillate). As a result, better control over paint particle size is achieved. Further, as can be seen in FIG. 2, the bell cup 22 of the present invention provides only three flow deviations between the central axial opening 24 and spray edge 32, thus providing a constant, substantially laminar paint flow at the spray edge 32 and therefore a reduced deviation in particle size.
[0026] FIGS. 5 through 7 disclose an alternative embodiment of a bell cup [0026] 100 having a deflector 110. This bell cup 100 provides only two flow deviations between the central axial opening 112 and the spray edge 132. The conical portion 130 of the overflow surface extends directly from the central axial opening 112 to the spray edge 132. Thus, the overflow surface 126 does not include a perpendicular portion (like perpendicular portion 28 of FIG. 2). This further improves the laminar flow of the paint and reduces further the particle size deviation. The deflector 110 includes a generally conical rear surface 144 which extends to a generally rounded central rear surface 142, thus reducing the flow deviation for the paint. A passageway 150 leads through the deflector 110 and includes four diverging tubular passageways 151. Alternatively, the passageways 151 may converge. The bell cup 100 can also be mounted on atomizer 20 of FIG. 1 in place of bell cup 22.
[0027] FIGS. [0027] 1-7 are scale drawings.
[0028] FIG. 8 illustrates one potential layout of a paint spray zone [0028] 150 for applying a basecoat to a vehicle body 152 utilizing the atomizer 20 of the present invention shown in FIGS. 1-7. The vehicle body 152 travels in the direction 154 through the zone 150 while atomizers 20 apply basecoat paint. The zone 150 is a two-pass, thirteen-bell zone which would apply basecoat with good color matching with the efficiency of rotary atomizers. In known systems, the basecoat would be applied by nine rotary atomizers and six air atomizers. The length of the zone 150 could be reduced to approximately thirty feet, compared to forty-five feet for the known basecoat zones. In the zone 150, an overhead machine 156 includes two atomizers 20 and applies a first coat to the center of the horizontal surfaces. A pair of side machines 158 preferably each oscillate an atomizer 20 the full length of the doors of the vehicle 152 on the first pass. A pair of side machines 160 each include a pair of vertically and horizontally offset atomizers each mounted on arms 161. A first arm 161 a provides three axes of motion to contour the pillars and paint the edge of the hood and trunk. The second arm 161 b is fixed with pivot and horizontal capp. to process the rocker. A pair of side machines 162 provide a second pass on the doors of the vehicle 152. A second overhead machine 164 includes three atomizers 20 to provide a second pass on the horizontal surfaces.
[0029] An example will be given utilizing the inventive atomizer [0029] 20 of FIGS. 1-4 in the arrangement of FIG. 8 to spray BASF Prairie Tan Metallic Solvent based paint M6818A in a two-pass bell basecoat application with the following parameters: bell cup 22 rotation: 60,000 RPM; fluid flow: 200 cc/min on a first pass and 75 cc/min on a second pass; shaping air: 200 L/min on the first pass and 50 L/min on the second pass. Preferably, any resonant frequencies of the atomizer bearing are avoided. The atomizer 20 produces reduced droplet size deviation, typically 80% of the droplets will be within an 8-50 μm size deviation. With reduced size deviation, the other parameters can be adjusted to ensure that the mica particles lie flat, thereby providing good color matching. Most preferably, the particle size deviation is reduced below 30 μm. The atomizer 20 produces improved color matching over previous bell zones. The colorimetry data for the example is: ΔL<2.0, ΔA<1.0 and ΔB<1.0. By providing good color matching with rotary atomizers rather than air atomizers, efficiency is greatly improved.
[0030] More generally, the bell speed rotation is preferably between 60,000 and 80,000 RPM. Also, the fluid flow of paint preferably does not exceed 250 ml/min. [0030]
[0031] In accordance with the provisions of the patent statutes and jurisprudence, exemplary configurations described above are considered to represent a preferred embodiment of the invention. However, it should be noted that the invention can be practiced otherwise than as specifically illustrated and described without departing from its spirit or scope. [0031]

权利要求:
Claims (23)
[1" id="US-20010001946-A1-CLM-00001] 1. A rotary atomizer bell cup having a generally conical overflow surface between a radially inward central axial opening and a radially outward atomizing edge, the generally conical overflow surface having a generally constant flow angle relative to the atomizing edge.
[2" id="US-20010001946-A1-CLM-00002] 2. The rotary atomizer bell cup of
claim 1 further including a deflector having a deflection surface of generally rotational symmetry disposed in front of said central opening, the overflow surface defining said generally constant flow angle relative to the axis from the deflector to the atomizing edge.
[3" id="US-20010001946-A1-CLM-00003] 3. The rotary atomizer bell cup of
claim 2 wherein the overflow surface defines a generally constant flow angle relative to the axis from the central axial opening to the atomizing edge.
[4" id="US-20010001946-A1-CLM-00004] 4. The rotary atomizer bell cup of
claim 2 wherein the deflector includes at least one inlet on the deflection surface, the deflection surface having a generally constant angle relative to the axis from the at least one inlet to a radially outer edge.
[5" id="US-20010001946-A1-CLM-00005] 5. The rotary atomizer bell cup of
claim 2 wherein the flow angle is more than 60 degrees at all points between the deflector and the atomizing edge.
[6" id="US-20010001946-A1-CLM-00006] 6. The rotary atomizer bell cup of
claim 2 wherein the deflector has a diameter less than 40% that of the atomizing edge.
[7" id="US-20010001946-A1-CLM-00007] 7. The rotary atomizer bell cup of
claim 1 wherein paint flow along the overflow surface between the deflector and atomizing edge is substantially laminar.
[8" id="US-20010001946-A1-CLM-00008] 8. The rotary atomizer bell cup of
claim 1 wherein paint atomized by said rotary atomizer has a deviation in particle size less than 50 microns.
[9" id="US-20010001946-A1-CLM-00009] 9. A rotary atomizer having the bell cup as defined in
claim 1 , the rotary atomizer rotating the bell cup about its axis and supplying paint to the bell cup through the central axial opening.
[10" id="US-20010001946-A1-CLM-00010] 10. The rotary atomizer of
claim 1 further including shaping air ports supplying shaping air.
[11" id="US-20010001946-A1-CLM-00011] 11. A rotary atomizer bell cup comprising:
a bell cup body including a generally conical overflow surface between a radially inward central axial opening and a radially outward atomizing edge;
a deflector having a deflection surface of generally rotational symmetry disposed in front of said central opening;
a rear cover secured to a rear surface of the bell cup body, a generally annular cavity formed between the rear cover and overflow surface.
[12" id="US-20010001946-A1-CLM-00012] 12. The rotary atomizer bell cup of
claim 1 further comprising an annular hub extending rearwardly from the bell cup body, said rear cover secured to said annular hub.
[13" id="US-20010001946-A1-CLM-00013] 13. The rotary atomizer bell cup of
claim 12 wherein said annular hub includes a threaded portion, said rear cover threaded onto said threaded portion of said annular hub.
[14" id="US-20010001946-A1-CLM-00014] 14. The rotary atomizer bell cup of
claim 13 wherein said rear cover is welded or glued to the rear of the bell cup body behind the spray edge.
[15" id="US-20010001946-A1-CLM-00015] 15. A paint spray zone for applying a particulate paint having particulates comprising:
a plurality of first paint sprayers each having a rotary atomizer, the first paint sprayers atomizing a first coat of the particulate paint to a surface; and
a plurality of second paint sprayers each having a rotary atomizer, the second paint sprayers atomizing a second coat of the particulate paint to said surface over said first coat.
[16" id="US-20010001946-A1-CLM-00016] 16. The paint spray zone of
claim 15 wherein the transfer efficiency of the paint spray zone is greater than 75%.
[17" id="US-20010001946-A1-CLM-00017] 17. The paint spray zone of
claim 15 wherein the first paint sprayers and second paint sprayers are intermingled.
[18" id="US-20010001946-A1-CLM-00018] 18. The paint spray zone of
claim 15 wherein said atomizers apply said particulate paint to the surface and causes said particulates to lie flat on the surface.
[19" id="US-20010001946-A1-CLM-00019] 19. The paint spray zone of
claim 15 wherein the atomizers atomize the particulate paint into paint droplets having a paint droplet size deviation less than 50 microns.
[20" id="US-20010001946-A1-CLM-00020] 20. A method for the rotary atomization of a particulate paint including the steps of:
a) atomizing liquid paint having particulates into paint droplets having a paint droplet size deviation less than 50 microns; and
b) adjusting paint spray parameters to ensure proper color matching.
[21" id="US-20010001946-A1-CLM-00021] 21. The method of
claim 20 wherein said step a) further includes the step of providing a substantially laminar flow of said paint across an overflow surface of a rotary atomizer bell cup.
[22" id="US-20010001946-A1-CLM-00022] 22. The method of
claim 21 wherein said step a) further includes the step of providing less than four flow deviations of said paint between an axial opening in a base of the bell cup and an atomizing edge of the bell cup, the overflow surface being between the axial opening and the atomizing edge.
[23" id="US-20010001946-A1-CLM-00023] 23. The method of
claim 22 wherein said step a) further includes the step of atomizing said paint into paint droplets having a size deviation of less than 30 microns.

类似技术:

公开号 | 公开日 | 专利标题

US6189804B1|2001-02-20|Rotary atomizer for particulate paints

US8590813B2|2013-11-26|Rotary atomizer for particulate paints

US7611069B2|2009-11-03|Apparatus and method for a rotary atomizer with improved pattern control

US5078321A|1992-01-07|Rotary atomizer cup

CA2132039A1|1995-04-29|Suction Feed Nozzle Assembly for HVLP Spray Gun

KR101688936B1|2016-12-22|Rotary spray device and method of spraying coating product using such a rotary spray device

EP2058053A1|2009-05-13|Rotary electrostatic coating apparatus

CA2556013C|2011-07-26|Radius edge bell cup and method for shaping an atomized spray pattern

JP3473718B2|2003-12-08|Rotary atomization electrostatic coating method and apparatus

US5137215A|1992-08-11|Centrifugal device for atomizing a coating product, particularly for application by electrostatic spraying

CA2202671C|2000-08-08|Rotary atomizing electrostatic coating apparatus

JP3575290B2|2004-10-13|Rotary atomizing coating machine and rotary atomizing coating method

JPH0985134A|1997-03-31|Rotary atomizing electrostatic coating method and device therefor

MXPA99002885A|2000-08-01|Rotary atomizer for particulate paints

JP3589022B2|2004-11-17|Metallic paint application method

JP4209310B2|2009-01-14|Rotating atomizing electrostatic coating method and rotating atomizing electrostatic coating equipment

JP2007237099A|2007-09-20|Method of coating structure having recess

US6857581B2|2005-02-22|Spraying method and a spray system for coating liquids

KR102039412B1|2019-11-01|Spray nozzle for spray painting apparatus

JP3353513B2|2002-12-03|Painting gun and painting method

JPH0612836Y2|1994-04-06|Rotating atomizing electrostatic coating device

US6915963B2|2005-07-12|Spraying method and a spray system for coating liquids

JPWO2018221608A1|2019-06-27|Method of painting vehicle body and painting system of vehicle body

JP3622869B2|2005-02-23|Rotating atomizing electrostatic coating method

JPH0716535A|1995-01-20|Painting method

同族专利:

公开号 | 公开日

US7017835B2|2006-03-28|

CA2267027A1|1999-09-27|

US6360962B2|2002-03-26|

EP1426113A3|2004-07-14|

ES2295711T3|2008-04-16|

US6189804B1|2001-02-20|

EP0951942A3|2002-03-20|

CA2267027C|2011-11-22|

DE59914567D1|2008-01-10|

EP0951942A2|1999-10-27|

EP0951942B1|2004-05-26|

DE59909556D1|2004-07-01|

US6623561B2|2003-09-23|

US20010015384A1|2001-08-23|

ES2218895T3|2004-11-16|

EP1426113A2|2004-06-09|

EP1426113B1|2007-11-28|

US20040000604A1|2004-01-01|

引用文献:

公开号 | 申请日 | 公开日 | 申请人 | 专利标题

JP2007222731A|2006-02-22|2007-09-06|Nissan Motor Co Ltd|Rotary atomizing head and method for designing rotary atomizing head|US2764712A|1951-05-31|1956-09-25|Ransburg Electro Coating Corp|Apparatus for electrostatically atomizing liquid|

DE3001209C2|1980-01-15|1985-07-25|Behr, Hans, 7000 Stuttgart|Device for atomizing liquid paint, in particular paint atomizer|

GB2087269B|1980-10-23|1984-05-10|Binks Bullows Ltd|Paint spraying apparatus for moving vehicle bodies|

US4376135A|1981-03-20|1983-03-08|Binks Manufacturing Company|Apparatus for atomization in electrostatic coating and method|

JPS5965763U|1982-10-25|1984-05-02|||

GB2131328B|1982-12-10|1986-03-19|Dresser Ind|Improvements in or relating to liquid spraying|

GB8320827D0|1983-08-02|1983-09-01|Sale Tilney Technology Ltd|Coating workpieces|

US4589597A|1983-10-03|1986-05-20|Graco Inc.|Rotary atomizer spray painting device|

DE3508970C1|1985-03-13|1986-07-31|Walter Giersiepen GmbH & Co, 5608 Radevormwald|Paint atomiser|

GB2177026A|1985-07-01|1987-01-14|Graco Inc|Rotary atomiser|

US4684064A|1985-08-19|1987-08-04|Graco Inc.|Centrifugal atomizer|

JPH0370553B2|1985-08-24|1991-11-08|Toyota Motor Co Ltd||

US4643357A|1985-11-22|1987-02-17|Binks Manufacturing Company|Rapidly cleanable atomizer|

US4919333A|1986-06-26|1990-04-24|The Devilbiss Company|Rotary paint atomizing device|

DE8708312U1|1987-06-12|1987-07-30|Behr-Industrieanlagen Gmbh & Co, 7121 Ingersheim, De||

DE3720201C1|1987-06-16|1988-09-08|Ransburg Gmbh|Spray coating device with a ring-shaped electrode arrangement for electrically conductive coating liquids|

DE3722734A1|1987-07-09|1989-01-19|Behr Industrieanlagen|METHOD AND SYSTEM FOR SERIES COATING WORKPIECES|

US5090361A|1988-05-26|1992-02-25|Honda Giken Kogyo Kabushiki Kaisha|Coating apparatus|

US4927081A|1988-09-23|1990-05-22|Graco Inc.|Rotary atomizer|

JP3202255B2|1990-03-30|2001-08-27|マツダ株式会社|Painting equipment|

US5078321A|1990-06-22|1992-01-07|Nordson Corporation|Rotary atomizer cup|

US5397063A|1992-04-01|1995-03-14|Asahi Sunac Corporation|Rotary atomizer coater|

FR2692173B1|1992-06-10|1994-09-02|Sames Sa|Device for electrostatic projection of a powder coating product with a rotating ionization head.|

US5474236A|1992-12-03|1995-12-12|Nordson Corporation|Transfer of electrostatic charge to a rotary atomizer head through the housing of a rotary atomizing spray device|

US5633306A|1992-12-03|1997-05-27|Ransburg Corporation|Nonincendive rotary atomizer|

DE9319555U1|1992-12-21|1994-04-07|Duerr Gmbh & Co|Rotary atomizer with a bell body|

DE4306799A1|1993-03-04|1994-09-08|Duerr Gmbh & Co|Rotary sprayer for a coating apparatus|

DE4306800C2|1993-03-04|1998-07-02|Duerr Gmbh & Co|Coating device with a rotary atomizer|

JP3208022B2|1994-10-21|2001-09-10|本田技研工業株式会社|How to apply metallic paint|

DE9419641U1|1994-12-07|1995-02-02|Duerr Gmbh & Co|Rotary atomizer with a bell body|

DE19506968A1|1995-02-13|1996-08-14|Ind Lackieranlagen Schmidt Gmb|Fine atomiser for paint or lacquer|

US5683032A|1995-06-29|1997-11-04|Ford Global Technologies, Inc.|Air measuring apparatus and method for paint rotary bell atomizers|

JP3322100B2|1995-11-09|2002-09-09|日産自動車株式会社|Rotary atomizing electrostatic coating equipment|

JP2809170B2|1996-01-19|1998-10-08|トヨタ自動車株式会社|Rotary atomizing electrostatic coating equipment|

KR100265890B1|1996-12-03|2000-09-15|라붸 린도베르|Rotating atomization head type coating apparatus|

US5853126A|1997-02-05|1998-12-29|Illinois Tool Works, Inc.|Quick disconnect for powder coating apparatus|

US5947377A|1997-07-11|1999-09-07|Nordson Corporation|Electrostatic rotary atomizing spray device with improved atomizer cup|

EP0951945B1|1997-11-12|2008-01-02|Abb K.K.|Automatic coating method and apparatus|

US6189804B1|1998-03-27|2001-02-20|Behr Systems, Inc.|Rotary atomizer for particulate paints|

US6578779B2|2000-10-18|2003-06-17|Behr Systems, Inc.|Rotary atomizer with bell element|

US6341734B1|2000-10-19|2002-01-29|Efc Systems, Inc.|Rotary atomizer and bell cup and methods thereof|US6189804B1|1998-03-27|2001-02-20|Behr Systems, Inc.|Rotary atomizer for particulate paints|

US8141797B2|2001-01-25|2012-03-27|Durr Systems Inc.|Rotary atomizer for particulate paints|

DE19938093B4|1999-08-12|2018-02-08|Dürr Systems Ag|Method and rotary atomizer for serial coating of workpieces|

US6578779B2|2000-10-18|2003-06-17|Behr Systems, Inc.|Rotary atomizer with bell element|

EP1250961B1|2000-11-30|2004-03-03|Abb K.K.|Rotary atomizing head|

US6676049B2|2001-11-16|2004-01-13|Efc Systems, Inc.|Bell cup powder spray applicator|

DE10159588A1|2001-12-05|2003-06-12|Duerr Systems Gmbh|Bell plate construction for powder atomizers|

US6660325B2|2001-12-27|2003-12-09|E. I. Du Pont De Nemours And Company|Process for the application of aqueous multi-component coating agents|

US6709514B1|2001-12-28|2004-03-23|Advanced Cardiovascular Systems, Inc.|Rotary coating apparatus for coating implantable medical devices|

FR2836638B1|2002-03-01|2004-12-10|Sames Technologies|DEVICE FOR SPRAYING LIQUID COATING PRODUCTS|

US7721976B2|2002-07-22|2010-05-25|Durr Systems, Inc.|High speed rotating atomizer assembly|

JP2004261676A|2003-02-28|2004-09-24|Toyota Motor Corp|Rotation atomizing coating device|

DE10319916A1|2003-05-05|2004-11-25|Itw Gema Ag|Spraying device for coating material, in particular coating powder|

JP4428973B2|2003-09-10|2010-03-10|トヨタ自動車株式会社|Rotating atomizing coating apparatus and coating method|

DE102004017891B3|2004-04-13|2005-11-10|Daimlerchrysler Ag|Bell plate for rotating paint atomizer for motor vehicle paint has distribution gap and paint directing means to prevent paint deposits|

SE527801C2|2004-05-18|2006-06-07|Lind Finance & Dev Ab|painting Clock|

US7134611B2|2004-05-25|2006-11-14|Sunmatch Industrial Co., Ltd.|Air nozzle for pneumatic tools|

WO2006024861A1|2004-09-03|2006-03-09|Gsi Group Ltd|Drive spindles|

US7611069B2|2005-08-09|2009-11-03|Fanuc Robotics America, Inc.|Apparatus and method for a rotary atomizer with improved pattern control|

US9346064B2|2005-09-16|2016-05-24|Carlisle Fluid Technologies, Inc.|Radius edge bell cup and method for shaping an atomized spray pattern|

US8303874B2|2006-03-28|2012-11-06|E I Du Pont De Nemours And Company|Solution spun fiber process|

DE102006022057B3|2006-05-11|2007-10-31|Dürr Systems GmbH|Rotary atomizer`s application unit for use in varnishing machine, has surface layer, on which thin coating medium with specific film thickness is formed, where layer reduces boundary surface friction between medium and overflow surface|

DE102006057596A1|2006-12-06|2008-06-19|Dürr Systems GmbH|Lenkluftring with a ring trough and corresponding bell plate|

US8602326B2|2007-07-03|2013-12-10|David M. Seitz|Spray device having a parabolic flow surface|

MX2010004467A|2007-10-23|2010-05-03|Ppg Ind Ohio Inc|Fiber formation by electrical-mechanical spinning.|

US8206793B2|2008-03-26|2012-06-26|Reald Inc.|Enhanced projection screen|

US10155233B2|2008-04-09|2018-12-18|Carlisle Fluid Technologies, Inc.|Splash plate retention method and apparatus|

US9375746B2|2008-06-05|2016-06-28|Durr Systems Gmbh|Compact paint booth|

JP5609007B2|2008-08-28|2014-10-22|日産自動車株式会社|Painting method|

DE102008056411A1|2008-11-07|2010-05-20|Dürr Systems GmbH|Coating plant component, in particular bell cup, and corresponding manufacturing method|

FR2945461B1|2009-05-13|2012-10-05|Sames Technologies|PROJECTOR AND SPRAYING DEVICE OF COATING PRODUCT AND PROJECTION METHOD COMPRISING SUCH A PROJECTOR|

US9149822B2|2009-11-17|2015-10-06|Black & Decker Inc.|Quick release mechanism for paint sprayer|

US8651402B2|2009-11-17|2014-02-18|Black & Decker Inc.|Adjustable nozzle tip for paint sprayer|

WO2011062986A1|2009-11-17|2011-05-26|Black & Decker Inc.|Paint sprayer|

US8550376B2|2009-11-17|2013-10-08|Black & Decker Inc.|Paint sprayer|

US8413911B2|2009-11-17|2013-04-09|Black & Decker Inc.|Paint sprayer|

US8740111B2|2009-11-17|2014-06-03|Black & Decker Inc.|Paint sprayer|

CA2800012C|2010-01-06|2018-01-02|Ransburg Industrial Finishing K.K.|Rotary atomizing head for electrostatic coating machine|

JP5504100B2|2010-08-25|2014-05-28|ランズバーグ・インダストリー株式会社|Rotating atomizing head for electrostatic coating machine|

US9221066B2|2013-11-13|2015-12-29|Honda Motor Co., Ltd.|Multi-head electrostatic painting apparatus|

US8851397B1|2013-11-14|2014-10-07|Efc Systems, Inc.|Bell cup atomizer having improved cleaning capability|

CN105939787B|2014-01-29|2018-02-27|本田技研工业株式会社|Rotary-atomizing formula painting device and fog-spray nozzle|

CN105350093B|2015-11-13|2018-04-17|广东工业大学|A kind of negative pressure array centrifuges pneumoelectric device for spinning|

GB2563054A|2017-06-01|2018-12-05|Novanta Tech Uk Limited|Rotary atomiser bell cups|

US11219991B2|2018-06-18|2022-01-11|Volkswagen Ag|Bell cup multi-tool, structure and methodologies|

FR3087680A1|2018-10-30|2020-05-01|Exel Industries|COATING SPRAY BOWL, ROTARY SPOTLIGHT INCLUDING SUCH A BOWL AND METHOD FOR CLEANING SUCH A SPOTLIGHT|

DE102019107847B4|2019-03-27|2021-09-23|Dürr Systems Ag|Bell disks, rotary atomizers, painting robots, atomizer-cleaning devices and related operating procedures|

法律状态:
2003-09-04| STCF| Information on status: patent grant|Free format text: PATENTED CASE |

2005-04-11| AS| Assignment|Owner name: DURR SYSTEMS, INC., MICHIGAN Free format text: MERGER;ASSIGNORS:ACCO SYSTEMS, INC.;BEHR SYSTEMS, INC.;DURR ENVIRONMENTAL, INC.;AND OTHERS;REEL/FRAME:016536/0076 Effective date: 20050407 |

2007-03-23| FPAY| Fee payment|Year of fee payment: 4 |

2011-03-09| FPAY| Fee payment|Year of fee payment: 8 |

2012-02-17| AS| Assignment|Owner name: DURR INCORPORATED, MICHIGAN Free format text: MERGER;ASSIGNORS:BEHR AUTOMATION, INC.;BEHR INDUSTRIAL EQUIPMENT, INC.;DURR INCORPORATED;REEL/FRAME:027721/0734 Effective date: 20041216 |

2015-03-25| SULP| Surcharge for late payment|Year of fee payment: 11 |

2015-03-25| FPAY| Fee payment|Year of fee payment: 12 |

优先权:

申请号 | 申请日 | 专利标题

US7956598P| true| 1998-03-27|1998-03-27||

US09/271,477|US6189804B1|1998-03-27|1999-03-17|Rotary atomizer for particulate paints|

US09/769,707|US6623561B2|1998-03-27|2001-01-25|Rotary atomizer for particulate paints|US09/769,707| US6623561B2|1998-03-27|2001-01-25|Rotary atomizer for particulate paints|

US10/606,983| US7017835B2|1998-03-27|2003-06-26|Rotary atomizer for particulate paints|

US11/358,993| US8141797B2|2001-01-25|2006-02-22|Rotary atomizer for particulate paints|

US13/414,194| US8590813B2|1998-03-27|2012-03-07|Rotary atomizer for particulate paints|

[返回顶部]