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公开(公告)号：US20220168769A1
公开(公告)日：2022-06-02
申请号：US17420013
申请日：2019-08-09
Applicant: ABB Schweiz AG
Inventor： Jose Rodrigues , Takahiro Tawata , Kuniharu Yamauchi
Abstract: An inkjet coating machine is provided to prevent the components in the paint from precipitating. The inkjet coating machine includes: a robot arm having a chuck at a front end and a nozzle head unit detachably mounted on the chuck. The nozzle head unit includes a nozzle head having a nozzle for spraying the paint, a nozzle control unit for controlling driving of the nozzle, and a head-side circulation path enabling the paint to circulate within the nozzle head. The nozzle head, the nozzle control unit and the head-side circulation path are integrally configured. The coating machine further includes a standby holding unit that holds at least one nozzle head unit in standby and a head replacement unit that replaces the nozzle head unit.
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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：US20250033068A1
公开(公告)日：2025-01-30
申请号：US17755273
申请日：2020-06-11
Applicant: ABB Schweiz AG
Inventor： Kuniharu Yamauchi
Abstract: A paint tank-equipped electrostatic coating device includes a paint tank device which is provided in a housing and supplies paint stored in a paint chamber to a rotary atomizing head through a pint flow path. In addition, the electrostatic coating device includes a tank cleaning flow path which supplies a cleaning flow for cleaning the paint chamber of the paint tank device, and a control unit which performs control of cleaning the paint chamber after the coating by a coating machine is completed until a paint inflow port of the housing is connected to a color change valve unit.
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公开(公告)号：US20240024900A1
公开(公告)日：2024-01-25
申请号：US18355744
申请日：2023-07-20
Applicant: ABB Schweiz AG
Inventor： Kuniharu Yamauchi
CPC classification number: B05B3/082 , B05B3/1035 , B05B3/1014
Abstract: Paint supply channel from paint chamber to rotary atomizing head of cartridge that forms the paint supply source is provided with first shearing member or second shearing member as a paint micronization means in order to promote micronization of the paint sprayed from rotary atomizing head. This first shearing member and second shearing member are equipped with a plurality of micropores for which the total area of the part that permits the distribution of paint is 1.53 mm2 or less.
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公开(公告)号：US20220410189A1
公开(公告)日：2022-12-29
申请号：US17804301
申请日：2022-05-26
Applicant: ABB Schweiz AG
Inventor： Kuniharu Yamauchi
IPC: B05B5/04
Abstract: The durability of resin components can be improved by preventing ozone from staying in gaps where there is no air flow. A cylindrical gap is provided around the outer peripheral side of the head portion between the head portion and the resin cover portion covering the outer peripheral side of the head portion. Moreover, the head portion is provided with a pilot air introduction path guiding the pilot air exhausted from the switching valves to the cylindrical gap. In addition, the arm portion is provided with a pilot air exhaust path exhausting the pilot air from the cylindrical gap to the outside.
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Patent Agency Ranking
公开(公告)号：US11845095B2
公开(公告)日：2023-12-19
申请号：US17420013
申请日：2019-08-09
Applicant: ABB Schweiz AG
Inventor： Jose Rodrigues , Takahiro Tawata , Kuniharu Yamauchi
CPC classification number: B05B13/0431 , B05B1/16 , B05B12/149 , B05B12/1454 , B05C5/00 , B05C11/1036
Abstract: An inkjet coating machine is provided to prevent the components in the paint from precipitating. The inkjet coating machine includes: a robot arm having a chuck at a front end and a nozzle head unit detachably mounted on the chuck. The nozzle head unit includes a nozzle head having a nozzle for spraying the paint, a nozzle control unit for controlling driving of the nozzle, and a head-side circulation path enabling the paint to circulate within the nozzle head. The nozzle head, the nozzle control unit and the head-side circulation path are integrally configured. The coating machine further includes a standby holding unit that holds at least one nozzle head unit in standby and a head replacement unit that replaces the nozzle head unit.
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公开(公告)号：US11618048B2
公开(公告)日：2023-04-04
申请号：US16686531
申请日：2019-11-18
Applicant: ABB Schweiz AG
Inventor： Takahiro Tawata , Kuniharu Yamauchi , Jose Rodrigues
Abstract: The present application is related to reducing the paint left inside the piping of the painting device. More specifically the present application is directed to a painting device that includes: a paint output part for outputting paint towards an object to be painted; a paint piping for the paint to pass through towards the paint output part; and a steel ball provided inside the paint piping; and a paint supply part supplying the paint to the paint piping from a side opposite to the paint output part. After the paint supply part stops supplying of the paint, the steel ball moves inside the paint piping towards the paint output part while the paint output part outputs the paint towards the object to be painted. The first moving fluid causes the steel ball to move inside the paint piping towards the paint output part by pushing the steel ball.
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公开(公告)号：US11213838B2
公开(公告)日：2022-01-04
申请号：US16318400
申请日：2018-05-30
Applicant: ABB SCHWEIZ AG
Inventor： Kuniharu Yamauchi
Abstract: The coating machine is provided with an air motor (3), a rotational shaft (4) that is rotatably supported by the air motor (3), a feed tube (5) that extends to a tip end of the rotational shaft (4) through the inside of the rotational shaft (4), a rotary atomizing head (6) that is mounted to the tip end of the rotational shaft (4), and a shaping air ring (7) that surrounds an outer periphery of the rotary atomizing head (6) and an axial tip end of which is arranged in back of a paint releasing edge (6D) of the rotary atomizing head (6). The shaping air ring (7) includes a great number of first shaping air spurting holes (9), and a great number of second shaping air spurting holes (10). An inner diameter dimension (d1) of the first shaping air spurting hole (9) is set to be larger than an inner diameter dimension (d2) of the second shaping air spurting hole (10). The number (N2) of the second shaping air spurting holes (10) is set to be smaller than the number (N1) of the first shaping air spurting holes (9).
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公开(公告)号：US20210283641A1
公开(公告)日：2021-09-16
申请号：US17222046
申请日：2021-04-05
Applicant: ABB Schweiz AG
Inventor： Kuniharu Yamauchi
Abstract: Disclosed is an electrostatic coating apparatus comprising: an atomizing head cleaning flow path (13) which is disposed at a coating machine (3) and through which a cleaning fluid for cleaning a rotary atomizing head (6) and a front end of a feed tube (8C) of a cartridge (8) flows; a cleaning fluid flow path (14) connecting a cleaning fluid supply source (15) with the atomizing head cleaning flow path (13); a cleaning fluid valve (16) disposed in the cleaning fluid flow path (14) and configured to open and close the cleaning fluid flow path (14); a discharge air flow path (17) connected to the atomizing head cleaning flow path (13) and through which the discharge air flows; a cleaning fluid discharge flow path (20) connected to the cleaning fluid flow path (14) at a connection point (D) located between the atomizing head cleaning flow path (13) and the cleaning fluid valve (16); a discharge air switching valve (21) disposed in the atomizing head cleaning flow path (13) and configured to open and close the atomizing head cleaning flow path (13); and a cleaning fluid discharge valve (22) disposed in the cleaning fluid discharge flow path (20) and configured to open and close the cleaning fluid discharge flow path (20).
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公开(公告)号：US20200206764A1
公开(公告)日：2020-07-02
申请号：US16686531
申请日：2019-11-18
Applicant: ABB Schweiz AG
Inventor： Takahiro Tawata , Kuniharu Yamauchi , Jose Rodrigues
IPC: B05B12/14
Abstract: The present application is related to reducing the paint left inside the piping of the painting device. More specifically the present application is directed to a painting device that includes: a paint output part for outputting paint towards an object to be painted; a paint piping for the paint to pass through towards the paint output part; and a steel ball provided inside the paint piping; and a paint supply part supplying the paint to the paint piping from a side opposite to the paint output part. After the paint supply part stops supplying of the paint, the steel ball moves inside the paint piping towards the paint output part while the paint output part outputs the paint towards the object to be painted. The first moving fluid causes the steel ball to move inside the paint piping towards the paint output part by pushing the steel ball.
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