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1.发明授权公开(公告)号：US10294030B2
公开(公告)日：2019-05-21
申请号：US15744257
申请日：2016-11-18
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa
IPC: B65G11/20 , B65G65/40 , B65D88/26 , B65D88/70 , B01D21/01 , B65G11/16 , B65G69/20 , B65G11/02 , C02F1/52 , B65G65/48
Abstract: Provided is a dew condensation prevention device for a discharge chute. A tip end portion of the discharge chute has inverted truncated cone-shaped internal and external chutes, a space is provided between an outer surface of the internal chute and an inner surface of the external chute, and a first air discharge port that communicates with the space is provided between respective lower ends of the two chutes. A cylindrical portion having an air reservoir in the interior thereof is provided to surround an outer peripheral surface of the external chute, and by providing an opening between an inner peripheral edge of a lower surface of the cylindrical portion and the outer peripheral surface of the external chute, a second air discharge port that communicates with the air reservoir is provided. Air input pipes for introduction of dry air are connected to the external chute and the cylindrical portion, respectively.
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2.发明申请公开(公告)号：US20180194558A1
公开(公告)日：2018-07-12
申请号：US15744257
申请日：2016-11-18
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu YOSHIKAWA
CPC classification number: B65G11/20 , B01D21/01 , B65D88/26 , B65D88/70 , B65G11/02 , B65G11/16 , B65G65/40 , B65G65/4836 , B65G69/20 , C02F1/52 , C02F1/5281
Abstract: Provided is a dew condensation prevention device for a discharge chute. A tip end portion of the discharge chute has inverted truncated cone-shaped internal and external chutes, a space is provided between an outer surface of the internal chute and an inner surface of the external chute, and a first air discharge port that communicates with the space is provided between respective lower ends of the two chutes. A cylindrical portion having an air reservoir in the interior thereof is provided to surround an outer peripheral surface of the external chute, and by providing an opening between an inner peripheral edge of a lower surface of the cylindrical portion and the outer peripheral surface of the external chute, a second air discharge port that communicates with the air reservoir is provided. Air input pipes for introduction of dry air are connected to the external chute and the cylindrical portion, respectively.
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公开(公告)号：US09441882B2
公开(公告)日：2016-09-13
申请号：US14401047
申请日：2012-11-06
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa
CPC classification number: F26B17/12 , B65G65/4836 , F26B17/14 , F26B25/002 , F26B25/10 , F26B2200/08
Abstract: In a gas feeding apparatus for a powder and granular material feeder, in which a powder and granular material 3 supplied to an upper portion tubular hopper 11 is continuously supplied and discharged downward by a powder and granular material feeder provided below the tubular hopper 11, a first feed port 20 for a gas is provided in an upper surface 1a of a bottom plate 1′ on a lower surface of a boss portion for a set of rotary blades 8 of the powder and granular material feeder so that the gas can be fed to a space S between the upper surface 1a of the bottom plate 1′ of the powder and granular material feeder and the lower surface of the boss portion. Further, an annular damming plate 22 is formed on the lower surface of the boss portion on the outer side of the first feed port 20 so that the gas fed into the space S through the first feed port 20 can be fed in a radial direction into the powder and granular material feeder via slits 23, 24 provided around the annular damming plate 22.
Abstract translation: 在供给到上部管状料斗11的粉末和颗粒材料3被连续供给并通过设置在管状料斗11下方的粉末和颗粒材料供给器向下排出的粉末和颗粒材料供给装置的气体供给装置中， 用于气体的第一供给口20设置在用于粉末和颗粒材料供给器的一组旋转叶片8的凸台部的下表面的底板1'的上表面1a中，使得气体可以供给到 粉末的底板1'的上表面1a和颗粒供料器的上表面1a与凸起部分的下表面之间的空间S. 此外，在第一供给口20的外侧的凸起部的下表面上形成有环状的阻挡板22，从而能够沿着径向将从第一供给口20供给到空间S内的气体进入 粉末和颗粒材料进料器通过设置在环形阻挡板22周围的狭缝23,24。
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公开(公告)号：US09688488B2
公开(公告)日：2017-06-27
申请号：US14428473
申请日：2013-08-31
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa , Izumi Furukawa
CPC classification number: B65G65/4836 , G01F11/24
Abstract: A metering feeder is provided with the following: an annular transport space formed by an outer cylinder, an inner cylinder, and a bottom plate; a central rotating blade provided on a rotating shaft in the center of the bottom plate; an outer rotating ring connected to the tip of the central rotating blade; a plurality of outer rotating blades provided on the outer rotating ring so as to point inwards; and a rotating disc in which a powder/granular-material discharge groove is formed, the top surface of said rotating disc lying in the same plane as the top surface of the bottom plate. The outer rotating blades scrape the powder/granular material in the annular-transport space into the powder/granular-material discharge groove, which transports said powder/granular material outside the outer cylinder. This metering feeder is further provided with a vertically-movable scraper for supplying large amounts of the powder/granular material and a fixed small scraper for supplying small amounts thereof. Said scrapers block the flow of the powder/granular material in the powder/granular-material discharge groove in the rotating disc and guide same to a discharge opening. This configuration makes it possible to increase the precision with which the powder/granular material is supplied.
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公开(公告)号：US20150143710A1
公开(公告)日：2015-05-28
申请号：US14401047
申请日：2012-11-06
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa
IPC: F26B17/12
CPC classification number: F26B17/12 , B65G65/4836 , F26B17/14 , F26B25/002 , F26B25/10 , F26B2200/08
Abstract: In a gas feeding apparatus for a powder and granular material feeder, in which a powder and granular material 3 supplied to an upper portion tubular hopper 11 is continuously supplied and discharged downward by a powder and granular material feeder provided below the tubular hopper 11, a first feed port 20 for a gas is provided in an upper surface 1a of a bottom plate 1′ on a lower surface of a boss portion for a set of rotary blades 8 of the powder and granular material feeder so that the gas can be fed to a space S between the upper surface 1a of the bottom plate 1′ of the powder and granular material feeder and the lower surface of the boss portion. Further, an annular damming plate 22 is formed on the lower surface of the boss portion on the outer side of the first feed port 20 so that the gas fed into the space S through the first feed port 20 can be fed in a radial direction into the powder and granular material feeder via slits 23, 24 provided around the annular damming plate 22.
Abstract translation: 在供给到上部管状料斗11的粉末和颗粒材料3被连续供给并通过设置在管状料斗11下方的粉末和颗粒材料供给器向下排出的粉末和颗粒材料供给装置的气体供给装置中， 用于气体的第一供给口20设置在用于粉末和颗粒材料供给器的一组旋转叶片8的凸台部的下表面的底板1'的上表面1a中，使得气体可以供给到 粉末的底板1'的上表面1a和颗粒供料器的上表面1a与凸起部分的下表面之间的空间S. 此外，在第一供给口20的外侧的凸起部的下表面上形成有环状的阻挡板22，从而能够沿着径向将从第一供给口20供给到空间S内的气体进入 粉末和颗粒材料进料器通过设置在环形阻挡板22周围的狭缝23,24。
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Patent Agency Ranking
公开(公告)号：US20030213815A1
公开(公告)日：2003-11-20
申请号：US10387430
申请日：2003-03-14
Applicant: Yoshikawa Corporation
Inventor： Osamu Yoshikawa
IPC: B67D001/00
CPC classification number: B65G65/4827
Abstract: A powder and grain feeder is formed by an outer cylinder and upper and lower inner cylinders sharing a center line, the upper portion of the outer cylinder and the upper inner cylinder being connected by an upper annular plate; the lower portion of the outer cylinder and the lower portion of the lower inner cylinder being connected by a lower annular plate; a material passage being formed below the outer periphery of a circular table closing the upper end of the lower inner cylinder; a material discharge gap being provided between the outer periphery of the table and the lower end of the upper inner cylinder; a plurality of rotating blades being provided on an erect rotation shaft protruding from the central portion of the table; the forward ends of the rotating blades being connected to the rotary ring arranged in the material passage; and a scraper for use in the material passage being provided on the rotary ring.
Abstract translation: 粉末和粮食供给器由外筒和共享中心线的上下内筒形成，外筒的上部和上内筒通过上环形板连接; 外筒的下部和下内筒的下部通过下环形板连接; 材料通道形成在关闭所述下内筒的上端的圆形台的外周的下方; 在所述工作台的外周和所述上内筒的下端之间设置材料排出间隙; 多个旋转叶片设置在从桌子的中心部分突出的直立旋转轴上; 旋转叶片的前端连接到布置在材料通道中的旋转环; 并且在旋转环上设置用于材料通道中的刮刀。
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公开(公告)号：USD889516S1
公开(公告)日：2020-07-07
申请号：US29683630
申请日：2019-03-14
Applicant: YOSHIKAWA CORPORATION
Designer： Osamu Yoshikawa
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公开(公告)号：US20150246779A1
公开(公告)日：2015-09-03
申请号：US14428473
申请日：2013-08-31
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa , Izumi Furukawa
IPC: B65G65/48
CPC classification number: B65G65/4836 , G01F11/24
Abstract: A metering feeder is provided with the following: an annular transport space formed by an outer cylinder, an inner cylinder, and a bottom plate; a central rotating blade provided on a rotating shaft in the center of the bottom plate; an outer rotating ring connected to the tip of the central rotating blade; a plurality of outer rotating blades provided on the outer rotating ring so as to point inwards; and a rotating disc in which a powder/granular-material discharge groove is formed, the top surface of said rotating disc lying in the same plane as the top surface of the bottom plate. The outer rotating blades scrape the powder/granular material in the annular-transport space into the powder/granular-material discharge groove, which transports said powder/granular material outside the outer cylinder. This metering feeder is further provided with a vertically-movable scraper for supplying large amounts of the powder/granular material and a fixed small scraper for supplying small amounts thereof. Said scrapers block the flow of the powder/granular material in the powder/granular-material discharge groove in the rotating disc and guide same to a discharge opening. This configuration makes it possible to increase the precision with which the powder/granular material is supplied.
Abstract translation: 计量给料器具有以下内容：由外筒，内筒和底板形成的环形输送空间; 中心旋转刀片，设置在底板中心的旋转轴上; 连接到中心旋转叶片的尖端的外旋转环; 设置在所述外旋转环上以便向内指向的多个外旋转叶片; 以及其中形成有粉末/颗粒材料排放槽的旋转盘，所述旋转盘的顶表面位于与底板的顶表面相同的平面中。 外旋转刀片将环形输送空间中的粉末/颗粒材料刮擦到粉末/颗粒材料排出槽中，该粉末/颗粒材料排出槽将外部气缸外的所述粉末/颗粒材料输送。 该计量给料器还设置有用于供应大量粉末/颗粒材料的可垂直移动的刮刀和用于少量供应的固定小刮刀。 所述刮刀阻挡旋转盘中的粉末/颗粒材料排放槽中的粉末/颗粒材料的流动并将其引导到排出口。 通过这种结构，能够提高粉末/粒状材料的供给精度。
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公开(公告)号：US11788876B2
公开(公告)日：2023-10-17
申请号：US16976561
申请日：2019-04-18
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu Yoshikawa
CPC classification number: G01G13/08 , B65D88/68 , B65G65/4836 , G01G13/24 , B65G2201/042 , B65G2811/096
Abstract: In a batch weighing/supply device, a primary height adjustable scraper that reduces the quantity of conveyed raw material when lowered is provided on an upstream side of a discharge port in an annular passage, a secondary height adjustable scraper that further reduces the quantity of conveyed raw material, after the quantity has been reduced by lowering the primary height adjustable scraper, is provided on a downstream side of the primary height adjustable scraper, control means is provided to reduce the rotation speed of rotary blades to a first speed being lower than a normal speed, when the primary height adjustable scraper is lowered and reduce the rotation speed of the rotary blades to a second speed being lower than the first speed, when the secondary height adjustable scraper is lowered, and a sliding gate for opening and closing a raw material drop-down path is provided under the discharge port.
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公开(公告)号：US20210364339A1
公开(公告)日：2021-11-25
申请号：US16976561
申请日：2019-04-18
Applicant: YOSHIKAWA CORPORATION
Inventor： Osamu YOSHIKAWA
Abstract: In a batch weighing/supply device for a raw material such as a granular material, a primary height adjustable scraper 17 that reduces the quantity of conveyed raw material when lowered is provided on an upstream side of a discharge port 6 in an annular passage 5, a secondary height adjustable scraper 19 that further reduces the quantity of conveyed raw material, after the quantity has been reduced by lowering the primary height adjustable scraper, is provided on a downstream side of the primary height adjustable scraper and directly adjacent to the discharge port on the upstream side thereof, control means 37 is provided to reduce the rotation speed of rotary blades 8 and 10 to a first speed, which is lower than a normal speed, when the primary height adjustable scraper is lowered and reduce the rotation speed of the rotary blades to a second speed, which is lower than the first speed, when the secondary height adjustable scraper is lowered, and a sliding gate 24 capable of opening and closing a raw material drop-down path is provided in a chute unit provided under the discharge port.
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