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公开(公告)号：US20200316622A1
公开(公告)日：2020-10-08
申请号：US16496484
申请日：2018-03-30
Applicant: HONDA MOTOR CO., LTD.
Inventor： Naoki Kishimoto , Hirofumi Mima , Takeshi Nabeta , Koji Shido , Yuta Nagatomo
Abstract: An electrostatic coating device is provided with a housing, which has a cascade housing section that houses a cascade, and a motor housing section that houses an air motor. A clearance between the cascade and the inner wall of a first housing hole forms a first air flow passage. Furthermore, an annular clearance between the air motor (specifically, an air turbine) and the inner wall of a motor chamber forms a second air flow passage. The first air flow passage and the second air flow passage are communicated with each other via, for instance, a third air flow passage that includes a first communication passage, a circular recessed section, a second communication passage, and a third communication passage.
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公开(公告)号：US10688526B2
公开(公告)日：2020-06-23
申请号：US15235543
申请日：2016-08-12
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shinji Tani , Astuo Nabeshima , Takahito Kondo
Abstract: An electrostatic atomizing coating apparatus and method incorporate a rotary head having a base portion, an open end and a plurality of grooves formed radially on an inner peripheral surface of the open end, an inside diameter of the rotary head increasing from the base portion toward the open end, and a motor configured to rotate the rotary head to discharge a thread-shaped paint. A voltage is applied to the rotary head so as to form an electrostatic field between the open end of the rotary head and an earthed coating target and to electrostatically atomize the thread-shaped paint discharged from the open end. Voltage output from the generator is controlled so as to adjust an intensity of the electrostatic field and to control a particle diameter of the electrostatically atomized thread-shaped paint.
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公开(公告)号：US20200038896A1
公开(公告)日：2020-02-06
申请号：US16601797
申请日：2019-10-15
Applicant: Dürr Systems AG
Inventor： Hans-Georg Fritz , Benjamin Wöhr , Marcus Kleiner , Moritz Bubek
Abstract: The disclosure relates to a coating method for coating a component with a coating agent, comprising the following steps: moving an application device over a component surface of the component to be coated, delivering a coating agent jet (9) from the application device to the component surface that is to be coated, defining switching points on the component surface for initiating a switching action, in particular for switching on or switching off a coating agent jet, and performing the switching action when one of the switching points is reached. The disclosure provides the following steps: marking the switching points on the component surface by generating a switching marking on the component surface at the individual switching points, detecting the switching markings corresponding to the individual switching points during movement of the application device, and performing the switching actions when the switching markings are detected on the component surface. The disclosure further includes a corresponding coating installation.
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公开(公告)号：US20190388915A1
公开(公告)日：2019-12-26
申请号：US16441196
申请日：2019-06-14
Inventor： Shinji Tani , Akira Numasato , Takahito Kondo , Yuki Murai , Takao Ueno , Takatoshi Okuta , Ken Maeda , Kota Harada
Abstract: A rotary atomization head is provided, which prevents discharged threads of a coating material from making contact with each other and from being unified. A rotary head 1 includes: a diffusion surface 122 to diffuse the coating material toward an outer edge part 123 by centrifugal force; and a plurality of grooves 124 formed on the outer edge part 123. The plurality of grooves 124 extends in a radial direction. The adjacent grooves 124 have different depths. The grooves 124 have the same width.
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公开(公告)号：US10471445B2
公开(公告)日：2019-11-12
申请号：US13128068
申请日：2009-11-02
Applicant: Hans-Georg Fritz , Steffen Wesselky , Timo Beyl
Inventor： Hans-Georg Fritz , Steffen Wesselky , Timo Beyl
Abstract: A coating machine component, e.g., a bell plate for a rotary atomizer, and corresponding production methods are disclosed. An exemplary coating machine component includes a molded base body and a functional element for providing at least one of mechanical stiffening, chemical and/or electrical functionalizing of the coating machine component. The functional element may be made from a material having a greater mass density than the base body. An exemplary functional element may be a coating that is at least partially applied to the base body.
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Patent Agency Ranking
公开(公告)号：US20190283053A1
公开(公告)日：2019-09-19
申请号：US16335341
申请日：2018-08-16
Applicant: ABB K.K.
Inventor： Yukio YAMADA
Abstract: A shield member (14) is provided on an outer peripheral side of a front surface section (9D) of a shaping air spurting member (9) and is formed of an annular body radially extending to shield electric flux lines traveling toward rotary atomizing head (4) from each of electrodes (6C) in an external electrode member (6). A tubular insulating member (15) formed of an insulating material covering an outer peripheral surface (9B) of the shaping air spurting member (9) is provided on an outer peripheral side of the shaping air spurting member (9). Further, a discharge buffering member (16) formed of an annular self-returning insulator or semi-conductive material is provided in a position where the shield member (14) is separated from the insulating member (15) between the shield member (14) and the insulating member (15).
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17.发明授权公开(公告)号：US10413919B2
公开(公告)日：2019-09-17
申请号：US15034755
申请日：2014-11-12
Applicant: SAMES TECHNOLOGIES
Inventor： Didier Chevron , Eric Prus
Abstract: This electrostatic sprayer of coating products with external load, comprises a bowl rotatable about an axis, a turbine for rotating the bowl around this axis, and a plurality of first electrodes distributed around the axis and each capable of emitting, when the sprayer is operating and is at least partly in the direction on an object to be coated, a first ion flux from a first point. The first points are arranged in a first circle centered on and perpendicular to the axis. The sprayer comprises second electrodes each capable of emitting, when the sprayer is operating and mainly or exclusively in the direction of an edge of the bowl, a second ion flux, of the same sign as the first ion flux, from second points arranged in a second circle centered on and perpendicular to the axis, and having a different radius than the first circle.
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公开(公告)号：US10399096B2
公开(公告)日：2019-09-03
申请号：US15318569
申请日：2016-03-02
Applicant: ABB SCHWEIZ AG
Inventor： Kuniharu Yamauchi
Abstract: A rotary atomizing head includes an outer peripheral surface washing passage open onto an atomizing head outer peripheral surface for causing wash fluid supplied from a feed tube to flow out into an annular clearance between the rotary atomizing head and a shaping air ring. An outflow opening of an outflow passage constituting the outer peripheral surface washing passage is provided in a position closer to the backside into the annular clearance by a length dimension than a front end surface of a front ring section constituting the shaping air ring. Further, the outflow opening opens to the annular clearance in an angle that is an acute angle to the atomizing head outer peripheral surface.
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公开(公告)号：US10343178B2
公开(公告)日：2019-07-09
申请号：US15114029
申请日：2014-11-26
Applicant: HONDA MOTOR CO., LTD.
Inventor： Naoki Kishimoto , Takayuki Ueki , Koji Ikeda , Masashi Takebe , Junichi Fukuno
Abstract: The rotary atomizing coating device (1) is provided with a spray head (2) formed of a tube body having a circular truncated conical shape and constituted to spray, from an opening end on the large diameter side, a coating introduced from an opening end on the small diameter side thereof, and a coating supply machine (3) engaged with the spray head (2) for supplying the coating while rotating the spray head (2) around an axial line (O). The spray head (2) has a first coating diffusion part (28) having a curved surface with a convex shape towards the axial line (O) on the inner peripheral surface, and a second coating diffusion part (29) extending to an outer edge (26) of the opening end on the large diameter side having a curved surface with a concave shape towards the axial line (O) with grooves (4) on the outer edge (26).
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公开(公告)号：US10315205B2
公开(公告)日：2019-06-11
申请号：US14764560
申请日：2014-01-22
Applicant: Ransburg Industrial Finishing K.K.
Inventor： Masatoshi Iwase , Naoki Ota , Kenji Okamoto
Abstract: A charge remaining in an electrostatic coater when power supply to the electrostatic coater is stopped is neutralized at an early stage.A rotary atomizing head 102 receives a high voltage of negative polarity from a cascade 104. An electrostatic coater 100 further includes a second high-voltage generator 110 that generates a high voltage of positive polarity. The second high-voltage generator 110 is composed of a Cockcroft-Walton circuit. The Cockcroft-Walton circuit is composed of diodes and capacitors. A high voltage of the electrostatic coater 100 is controlled by a controller 10. Immediately after running of the electrostatic coater 100 is stopped by stopping power supply to the cascade 104, power is supplied to the second high-voltage generator 110. The high voltage of positive polarity generated by the second high-voltage generator 110 is supplied to the rotary atomizing head 102 for a predetermined time period.
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