公开(公告)号：US09039362B2

公开(公告)日：2015-05-26

申请号：US13408106

申请日：2012-02-29

申请人： Takako Fukuda ,  Seiya Fujimoto ,  Masaki Ogushi ,  Yuzuru Suzuki

发明人： Takako Fukuda ,  Seiya Fujimoto ,  Masaki Ogushi ,  Yuzuru Suzuki

IPC分类号： F04D29/44 ,  F04D29/42 ,  F04D25/06 ,  F04D29/059 ,  F04D29/28 ,  F04D29/30

CPC分类号： F04D29/441 ,  F04D17/16 ,  F04D25/0613 ,  F04D29/059 ,  F04D29/281 ,  F04D29/30 ,  F04D29/4246

摘要： An impeller includes: a main plate; a shroud; and a plurality of blades provided between the main plate and the shroud and arranged circumferentially; wherein the impeller is configured to rotated about a rotation axis; wherein the plurality of blades include a pressure surface and a negative pressure surface; and the pressure surface has a shape, in which at least three types of circular arcs are connected, as viewed from a rotation axial direction. A centrifugal fan includes the above-described impeller; and three or more pillars, wherein an interval between one adjacent pillars of the three or more pillars is different from an interval between the other adjacent pillars of the three or more pillars.

摘要翻译： 叶轮包括：主板; 护罩 以及设置在所述主板和所述护罩之间并沿圆周布置的多个叶片; 其中所述叶轮构造成围绕旋转轴线旋转; 其中所述多个叶片包括压力表面和负压表面; 并且压力表面具有从旋转轴向观察至少三种类型的圆弧连接的形状。 离心风扇包括上述叶轮; 以及三个或更多个柱，其中三个或更多个柱的一个相邻柱之间的间隔与三个或更多个柱的其他相邻柱之间的间隔不同。

公开(公告)号：US09039360B2

公开(公告)日：2015-05-26

申请号：US13357776

申请日：2012-01-25

申请人： Takako Fukuda ,  Seiya Fujimoto ,  Masaki Ogushi ,  Yuzuru Suzuki

发明人： Takako Fukuda ,  Seiya Fujimoto ,  Masaki Ogushi ,  Yuzuru Suzuki

IPC分类号： F04D17/08 ,  F04D29/08 ,  F04D29/18 ,  F04D29/16 ,  F04D29/22 ,  F04D29/42 ,  F04D29/40 ,  F04D29/44

CPC分类号： F04D29/162 ,  F04D29/083 ,  F04D29/22 ,  F04D29/4226 ,  F04D29/441

摘要： A centrifugal fan is provided. The centrifugal fan is configured such that an impeller having a plurality of blades along a circumferential direction and disposed between a disk-shaped main plate and an annular shroud is housed in a casing configured by an upper casing and a lower casing, and that an air suctioned from a suction opening is discharged outward in a radial direction of the impeller by a centrifugal force due to a rotation of the impeller. The shroud has a curved surface formed from an outer edge portion toward a center thereof. The shroud has a plurality of protrusions which are formed on the surface of the shroud such that a gap is formed between each of the protrusion portions and the upper casing.

摘要翻译： 提供离心风机。 离心式风扇构造成使得沿着圆周方向具有多个叶片并且设置在盘形主板和环形护罩之间的叶轮容纳在由上壳体和下壳体构成的壳体中，并且空气 由于叶轮的旋转，由抽吸口抽吸的离心力由离心力沿叶轮的径向向外排出。 护罩具有从外缘部朝向其中心形成的曲面。 护罩具有形成在护罩的表面上的多个突起，使得在每个突出部和上壳之间形成间隙。

公开(公告)号：US20130084173A1

公开(公告)日：2013-04-04

申请号：US13589489

申请日：2012-08-20

申请人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

发明人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

IPC分类号： F04D17/16

CPC分类号： F04D17/16 ,  F04D25/0613 ,  F04D29/281 ,  F04D29/30 ,  F05D2240/305

摘要： There is provided a centrifugal fan including an upper casing which has an air suction opening, a lower casing, and an impeller which is disposed between the upper casing and the lower casing. The impeller includes an upper shroud which is provided on an upper casing side, and a plurality of blades which are arranged along a circumference direction below the upper shroud, and is rotatable around a rotary shaft. A pressure surface of each of the plurality of blades has a convex shape in a rotation direction and is formed with a plurality of protrusions which extend in parallel with the rotary shaft.

摘要翻译： 提供了一种离心式风扇，其包括具有空气吸入口，下壳体和设置在上壳体和下壳体之间的叶轮的上壳体。 叶轮包括设置在上壳体侧的上护罩和沿着上护罩下方的圆周方向布置的多个叶片，并且可绕旋转轴旋转。 多个叶片中的每一个的压力表面在旋转方向上具有凸形，并且形成有与旋转轴平行延伸的多个突起。

公开(公告)号：US20120134795A1

公开(公告)日：2012-05-31

申请号：US13294571

申请日：2011-11-11

申请人： Takako FUKUDA ,  Masaki OGUSHI ,  Seiya FUJIMOTO ,  Yuzuru SUZUKI

发明人： Takako FUKUDA ,  Masaki OGUSHI ,  Seiya FUJIMOTO ,  Yuzuru SUZUKI

IPC分类号： F04D29/44

CPC分类号： F04D25/0613 ,  F04D29/4226 ,  F04D29/441

摘要： A centrifugal fan is provided. The centrifugal fan is configured such that an impeller having a plural blades disposed between a disk-shaped main plate and an annular shroud along a circumferential direction is accommodated in a casing, and that an air suctioned from a suction opening is discharged outward in a radial direction of the impeller by a centrifugal force due to a rotation of the impeller, and thereby discharging the air from the casing. The casing includes an upper plate, a lower plate, and a plural supporting struts interposed between the upper plate and the lower plate, and lateral sides of the casing have only the supporting struts to form a discharge opening.

摘要翻译： 提供离心风机。 离心式风扇被构造成使得具有沿圆周方向设置在盘形主板和环形护罩之间的具有多个叶片的叶轮容纳在壳体中，并且从吸入口吸入的空气向外排放到径向 由于叶轮的旋转而由离心力引起的叶轮的方向，从而从壳体排出空气。 壳体包括上板，下板和插入在上板和下板之间的多个支撑支柱，并且壳体的侧面仅具有支撑支柱以形成排出口。

公开(公告)号：US20130058783A1

公开(公告)日：2013-03-07

申请号：US13408106

申请日：2012-02-29

申请人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

发明人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

IPC分类号： F01D5/22 ,  F04D17/16

CPC分类号： F04D29/441 ,  F04D17/16 ,  F04D25/0613 ,  F04D29/059 ,  F04D29/281 ,  F04D29/30 ,  F04D29/4246

摘要： An impeller includes: a main plate; a shroud; and a plurality of blades provided between the main plate and the shroud and arranged circumferentially; wherein the impeller is configured to rotated about a rotation axis; wherein the plurality of blades include a pressure surface and a negative pressure surface; and the pressure surface has a shape, in which at least three types of circular arcs are connected, as viewed from a rotation axial direction. A centrifugal fan includes the above-described impeller; and three or more pillars, wherein an interval between one adjacent pillars of the three or more pillars is different from an interval between the other adjacent pillars of the three or more pillars.

摘要翻译： 叶轮包括：主板; 护罩 以及设置在所述主板和所述护罩之间并沿圆周布置的多个叶片; 其中所述叶轮构造成围绕旋转轴线旋转; 其中所述多个叶片包括压力表面和负压表面; 并且压力表面具有从旋转轴向观察至少三种类型的圆弧连接的形状。 离心风扇包括上述叶轮; 以及三个或更多个柱，其中三个或更多个柱的一个相邻柱之间的间隔与三个或更多个柱的其他相邻柱之间的间隔不同。

公开(公告)号：US20130052049A1

公开(公告)日：2013-02-28

申请号：US13567232

申请日：2012-08-06

申请人： Seiya FUJIMOTO ,  Takako FUKUDA ,  Yuzuru SUZUKI ,  Masaki OGUSHI

发明人： Seiya FUJIMOTO ,  Takako FUKUDA ,  Yuzuru SUZUKI ,  Masaki OGUSHI

IPC分类号： F04D17/16

CPC分类号： F04D25/0613 ,  F04D17/16 ,  F04D25/08 ,  F04D29/281 ,  F04D29/30 ,  F04D29/4226

摘要： In a centrifugal fan, a casing includes: a top plate; a motor base configured to serve as a bottom plate; and a plurality of support members provided between the top plate and the motor base, wherein an opening functioning as an air outlet opening is formed at each side of the casing so as to be surrounded by adjacent support members, the top plate and the motor base, and an impeller, which is housed between the top plate and the motor base of the casing, includes: an annular shroud; and a plurality of blades arranged in the circumferential direction and provided under the shroud, wherein at least one part of each blade opposes directly the motor base of the casing, and wherein the motor base opposes the lower parts of the blades in the direction of a rotary shaft of the impeller with a predetermined air gap provided therebetween.

摘要翻译： 在离心式风扇中，壳体包括：顶板; 构造成用作底板的马达基座; 以及设置在所述顶板和所述电动机基座之间的多个支撑构件，其中，在所述壳体的每一侧形成有用作空气出口的开口，以被相邻的支撑构件包围，所述顶板和所述电动机底座 并且容纳在所述顶板和所述壳体的所述马达基座之间的叶轮包括：环形护罩; 以及沿圆周方向设置并设置在所述护罩下方的多个叶片，其中每个叶片的至少一部分直接与所述壳体的所述马达基座相反，并且其中所述马达基座沿着所述壳体的方向与所述叶片的下部相对; 叶轮的旋转轴具有设置在其间的预定气隙。

公开(公告)号：US20120195747A1

公开(公告)日：2012-08-02

申请号：US13357776

申请日：2012-01-25

申请人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

发明人： Takako FUKUDA ,  Seiya FUJIMOTO ,  Masaki OGUSHI ,  Yuzuru SUZUKI

IPC分类号： F04D29/42 ,  F04D29/44

CPC分类号： F04D29/162 ,  F04D29/083 ,  F04D29/22 ,  F04D29/4226 ,  F04D29/441

摘要： A centrifugal fan is provided. The centrifugal fan is configured such that an impeller having a plurality of blades along a circumferential direction and disposed between a disk-shaped main plate and an annular shroud is housed in a casing configured by an upper casing and a lower casing, and that an air suctioned from a suction opening is discharged outward in a radial direction of the impeller by a centrifugal force due to a rotation of the impeller. The shroud has a curved surface formed from an outer edge portion toward a center thereof. The shroud has a plurality of protrusions which are formed on the surface of the shroud such that a gap is formed between each of the protrusion portions and the upper casing.

摘要翻译： 提供离心风机。 离心式风扇构造成使得沿着圆周方向具有多个叶片并且设置在盘形主板和环形护罩之间的叶轮容纳在由上壳体和下壳体构成的壳体中，并且空气 由于叶轮的旋转，由抽吸口抽吸的离心力由离心力沿叶轮的径向向外排出。 护罩具有从外缘部朝向其中心形成的曲面。 护罩具有形成在护罩的表面上的多个突起，使得在每个突出部和上壳之间形成间隙。

公开(公告)号：US5680413A

公开(公告)日：1997-10-21

申请号：US543758

申请日：1995-10-16

申请人： Masaki Ogushi ,  Osamu Takeuchi ,  Ikuo Yamamura ,  Toru Iura ,  Hironobu Yoshida

发明人： Masaki Ogushi ,  Osamu Takeuchi ,  Ikuo Yamamura ,  Toru Iura ,  Hironobu Yoshida

IPC分类号： C21B13/12 ,  C21C5/52 ,  C21C5/56 ,  F27B3/08 ,  F27B3/18 ,  F27B3/20 ,  F27B3/22 ,  F27B3/28 ,  F27D13/00 ,  F27D19/00

CPC分类号： C21C5/5229 ,  C21B13/12 ,  C21C5/5217 ,  C21C5/527 ,  C21C5/565 ,  F27B3/186 ,  F27B3/20 ,  F27B3/205 ,  F27B3/225 ,  F27B3/28 ,  F27D13/002 ,  F27D19/00 ,  F27D2019/0021 ,  F27D2019/0068 ,  Y02P10/216

摘要： An electric arc melting furnace includes a furnace shell (1) with an electrode (3) for melting scrap by heat of arc, an air blasting port (20) for blasting air, oxygen or oxygen-enriched air into the furnace shell (1) through an air control valve (19), a carbon blasted quantity indicator (CI) for measuring quantity of carbon to be charged into the furnace shell (1), a scrap charged quantity indicator (SI) for measuring quantity of the scrap charged into the furnace shell (1), an oxygen blasted quantity indicator (OI) for measuring quantity of oxygen blasted into the furnace shell (1) and an arithmetic processor (7) for computing quantity of air required for complete combustion of carbon monoxide (23) in the furnace shell (1) in response to measured value from the indicators (CI)(SI)(OI) to control a degree of opening of the air control valve (19). Air with quantity in proportion to the carbon monoxide (23) is blasted through the air blasting port (20), which enables control of combustion temperature in the furnace shell (1) and control of temperature in the scrap preheating device.

摘要翻译： 一种电弧熔炉包括：具有用于通过电弧熔化废料的电极（3）的炉壳（1），用于喷射空气的空气喷射口（20），进入炉壳（1）的氧气或富氧空气， 通过空气控制阀（19），用于测量装入炉壳（1）中的碳量的喷砂量指示器（CI），用于测量填充到炉壳（1）中的废料量的废料装料量指示器 炉壳（1），用于测量吹入炉壳（1）的氧气量的氧气喷射量指示器（OI）和用于计算一氧化碳（23）完全燃烧所需的空气量的算术处理器（7） 响应于来自指示器（CI）（SI）（OI）的测量值来控制空气调节阀（19）的打开程度的炉壳（1）。 通过喷气口（20）喷射与一氧化碳（23）成比例的量的空气，其能够控制炉壳（1）中的燃烧温度和废料预热装置中的温度控制。

公开(公告)号：US09194398B2

公开(公告)日：2015-11-24

申请号：US13517655

申请日：2012-06-14

申请人： Seiya Fujimoto ,  Takako Fukuda ,  Yuzuru Suzuki ,  Masaki Ogushi

发明人： Seiya Fujimoto ,  Takako Fukuda ,  Yuzuru Suzuki ,  Masaki Ogushi

IPC分类号： F04D17/16 ,  F04D25/06

CPC分类号： F04D29/4246 ,  F04D17/16 ,  F04D25/0613 ,  F04D29/281

摘要： There is provided a centrifugal fan including an upper casing which has an air suction opening, a lower casing, and an impeller which is disposed between the upper casing and the lower casing. The impeller includes an upper shroud which is provided on an upper casing side, and a plurality of blades which are arranged along a circumference direction below the upper shroud, and is rotatable around a rotary shaft. The upper casing and the lower casing configure an open-type casing. A surface of the upper shroud facing the upper casing includes a first portion which becomes closer to the lower casing as separating further from the rotary shaft. A surface of the upper casing facing the upper shroud includes a second portion which faces the first portion of the upper shroud and becomes closer to the lower casing as separating further from the rotary shaft.

摘要翻译： 提供了一种离心式风扇，其包括具有空气吸入口，下壳体和设置在上壳体和下壳体之间的叶轮的上壳体。 叶轮包括设置在上壳体侧的上护罩和沿着上护罩下方的圆周方向布置的多个叶片，并且可绕旋转轴旋转。 上壳体和下壳体构成开式壳体。 上罩的面向上壳体的表面包括第一部分，该第一部分随着与旋转轴分离而变得更靠近下壳体。 面向上护罩的上壳体的表面包括与上护罩的第一部分相对的第二部分，并且随着离开旋转轴的分离而变得更接近下壳体。

公开(公告)号：US20130028720A1

公开(公告)日：2013-01-31

申请号：US13517655

申请日：2012-06-14

申请人： Seiya FUJIMOTO ,  Takako FUKUDA ,  Yuzuru SUZUKI ,  Masaki OGUSHI

发明人： Seiya FUJIMOTO ,  Takako FUKUDA ,  Yuzuru SUZUKI ,  Masaki OGUSHI

IPC分类号： F04D17/16 ,  F04D29/42

CPC分类号： F04D29/4246 ,  F04D17/16 ,  F04D25/0613 ,  F04D29/281

摘要： There is provided a centrifugal fan including an upper casing which has an air suction opening, a lower casing, and an impeller which is disposed between the upper casing and the lower casing. The impeller includes an upper shroud which is provided on an upper casing side, and a plurality of blades which are arranged along a circumference direction below the upper shroud, and is rotatable around a rotary shaft. The upper casing and the lower casing configure an open-type casing. A surface of the upper shroud facing the upper casing includes a first portion which becomes closer to the lower casing as separating further from the rotary shaft. A surface of the upper casing facing the upper shroud includes a second portion which faces the first portion of the upper shroud and becomes closer to the lower casing as separating further from the rotary shaft.

摘要翻译： 提供了一种离心式风扇，其包括具有空气吸入口，下壳体和设置在上壳体和下壳体之间的叶轮的上壳体。 叶轮包括设置在上壳体侧的上护罩和沿着上护罩下方的圆周方向布置的多个叶片，并且可绕旋转轴旋转。 上壳体和下壳体构成开式壳体。 上罩的面向上壳体的表面包括第一部分，该第一部分随着与旋转轴分离而变得更靠近下壳体。 面向上护罩的上壳体的表面包括与上护罩的第一部分相对的第二部分，并且随着离开旋转轴的分离而变得更接近下壳体。