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1. 发明申请

US20160025103A1 CENTRIFUGAL FAN 有权
标题翻译：离心风扇
公开(公告)号：US20160025103A1
公开(公告)日：2016-01-28
申请号：US14807272
申请日：2015-07-23
申请人： MINEBEA CO., LTD. , TOYOTA BOSHOKU KABUSHIKI KAISHA
发明人： Seiya FUJIMOTO , Hitoshi IKUTA , Atsushi TSUZAKI , Yuya INOUE , Yumi ASANO
IPC分类号： F04D29/42 , F04D29/28 , F04D17/08
CPC分类号： F04D29/4226 , F04D17/08 , F04D17/16 , F04D25/0613 , F04D29/281 , F04D29/703 , F05D2250/52
摘要： A centrifugal fan includes: an impeller; an upper casing that is disposed above the impeller; a lower casing that is disposed below the impeller; an outlet port that is provided between the upper casing and the lower casing and from which an air suctioned by rotation of the impeller is discharged, wherein the upper casing is provided with a flange that protrudes in an outer radial direction of the impeller from an outer circumferential edge of the upper casing, and wherein the flange partially covers the outlet port when viewed from a direction perpendicular to a rotation axis of the impeller.
摘要翻译：离心风机包括：叶轮; 设置在所述叶轮上方的上壳体; 设置在叶轮下方的下壳体; 其设置在所述上壳体和所述下壳体之间，并且通过所述叶轮的旋转而吸入的空气被排出，其中，所述上壳体设置有凸缘，所述凸缘从所述叶片的外径向外侧突出，并且其中当从垂直于所述叶轮的旋转轴线的方向观察时，所述凸缘部分地覆盖所述出口端口。

2. 发明申请

US20190003485A1 CENTRIFUGAL FAN 审中-公开
公开(公告)号：US20190003485A1
公开(公告)日：2019-01-03
申请号：US15987406
申请日：2018-05-23
申请人： MINEBEA MITSUMI Inc. , TOYOTA BOSHOKU KABUSHIKI KAISHA
发明人： Wataru NOGAMIDA , Masaaki MATSUBARA , Seiya FUJIMOTO , Tetsuya SEKI , Satoshi HATAHARA , Kiyohisa NARA , Atsushi TSUZAKI , Yuki KADONO , Yuya MAKINO , Hiroshi MURAHATA
IPC分类号： F04D29/42 , F04D17/16 , F04D29/02 , F04D25/06 , F04D29/66 , H02K5/173 , H02K5/22 , H02K5/24 , H02K7/08 , H02K7/14 , H02K11/33 , H02K21/22
摘要： A valve device for a cooling water system of a motor vehicle, with a housing including a first connection and a second connection for a first liquid circuit, and a third connection and a fourth connection for a second liquid circuit, wherein the first connection is permanently fluidically connected to the second connection, and with a valve unit including a movably mounted valve element with which a thermally activatable spring element is associated, and which opens a connection between the third connection and the fourth connection in a first end position and cuts off the connection in a second end position. The thermally activatable spring element is arranged in a chamber located between the first connection and the second connection, which is permanently cut off from the third and the fourth connection and which preloads the valve element in the direction of the second end position.

3. 发明申请

US20150118037A1 CENTRIFUGAL FAN 审中-公开
标题翻译：离心风扇
公开(公告)号：US20150118037A1
公开(公告)日：2015-04-30
申请号：US14472438
申请日：2014-08-29
申请人： MINEBEA CO., LTD.
发明人： Takako OTSUKA , Hitoshi IKUTA , Seiya FUJIMOTO , Takayuki YAMASAKI
IPC分类号： F04D17/08 , F04D29/28 , F04D29/42 , F04D25/06
CPC分类号： F04D25/0613 , F04D17/16 , F04D29/281 , F04D29/30 , F05D2240/305
摘要： There is provided a centrifugal fan including a casing having an upper casing with an opening and a lower casing with a recess, a motor disposed in the recess, and an impeller housed in the casing. The impeller includes an annular shroud formed with an inlet, plural blades which are arranged between the annular shroud and the lower casing, and a hub which is connected to respective inner sides of the blades. Each of the blades includes, at a pressure surface side, a first inclined surface which is inclined toward a negative pressure surface of the blade as approaching the lower casing from the annular shroud; and a second inclined surface which is provided closer to the lower casing than the first inclined surface, and is inclined toward the negative pressure surface at an angle steeper than that of the first inclined surface.
摘要翻译：提供了一种离心式风扇，其具有壳体，该壳体具有开口的上壳体和具有凹部的下壳体，设置在凹部中的电动机和容纳在壳体中的叶轮。叶轮包括形成有入口的环形护罩，布置在环形护罩和下壳体之间的多个叶片，以及连接到叶片的相应内侧的毂。每个叶片在压力表面侧包括朝向叶片的负压表面倾斜的第一倾斜表面，从而从环形护罩接近下壳体; 以及比第一倾斜面更靠近下壳体设置的第二倾斜面，并且以比第一倾斜面更陡的角度向负压面倾斜。

4. 发明申请

US20170030378A1 CENTRIFUGAL FAN 审中-公开
标题翻译：离心风扇
公开(公告)号：US20170030378A1
公开(公告)日：2017-02-02
申请号：US15220543
申请日：2016-07-27
申请人： MINEBEA CO., LTD.
发明人： Seiya FUJIMOTO , Kiyohisa NARA , Tetsuya SEKI
IPC分类号： F04D29/66 , F04D29/42 , F04D29/28 , F04D25/06 , F04D29/16
CPC分类号： F04D29/4226 , F04D25/0613 , F04D29/162 , F04D29/281 , F05D2250/314
摘要： A centrifugal fan includes: a casing including an upper casing, a lower casing, and struts disposed between the upper casing and the lower casing; and an impeller that is provided in the casing, the impeller having an annular shroud, a plurality of blades, and a main plate, wherein the main plate of the impeller has an inclined surface between an inner circumference side and an outer circumference side of the impeller, and wherein the inner circumference side of the impeller is located at an upward position in an axial direction of the impeller, and the outer circumference side of the impeller is located at an downward position in the axial direction of the impeller.
摘要翻译：离心风扇包括：壳体，包括上壳体，下壳体和布置在上壳体和下壳体之间的支柱; 以及设置在所述壳体中的叶轮，所述叶轮具有环形罩，多个叶片和主板，所述叶轮的主板在所述叶轮的内周侧和外周侧之间具有倾斜面叶轮的内周侧位于叶轮的轴向上方，叶轮的外周侧位于叶轮的轴向的下方位置。

5. 发明申请

US20140010682A1 CENTRIFUGAL FAN 有权
标题翻译：离心风扇
公开(公告)号：US20140010682A1
公开(公告)日：2014-01-09
申请号：US13928809
申请日：2013-06-27
申请人： MINEBEA CO., LTD.
发明人： Yuzuru SUZUKI , Seiya FUJIMOTO , Takako OTSUKA , Masaki OGUSHI
IPC分类号： F04D29/66
CPC分类号： F04D29/403 , F04D25/0613 , F04D25/08 , F04D29/059 , F04D29/281 , F04D29/4226 , F04D29/666
摘要： A centrifugal fan includes an impeller and a motor which rotates the impeller. The impeller includes an upper shroud, a lower shroud, and blades arranged therebetween. A rotor of the motor is attached to an attachment part of the lower shroud. In a section passing a rotary shaft of the impeller, the rotor and the attachment part are provided at a more outer side than a circle having a center on a line passing an upper end portion of an inlet opening at an inner side and parallel to the rotary shaft of the impeller, having a radius of 80% of a distance from the upper end portion of the inlet opening to a surface of the lower shroud below the upper end portion, and being tangent to the surface of the lower shroud or passing an end edge portion of the lower shroud.
摘要翻译：离心风扇包括叶轮和使叶轮旋转的马达。叶轮包括上护罩，下护罩和布置在其间的叶片。电动机的转子附接到下罩的附接部分。在通过叶轮的旋转轴的部分中，转子和安装部分设置在比通过内侧入口开口的上端部并且平行于中心的线上的圆的更外侧叶轮的旋转轴具有从入口开口的上端部分到下部护罩的下表面的距离的80％的半径，并且与下部护罩的表面相切，或者通过下护罩的端边缘部分。

6. 发明申请

US20170114791A1 CENTRIFUGAL FAN 审中-公开
公开(公告)号：US20170114791A1
公开(公告)日：2017-04-27
申请号：US15298778
申请日：2016-10-20
申请人： Minebea Co., Ltd.
发明人： Takuji YAMADA , Masaaki MATSUBARA , Seiya FUJIMOTO , Kiyohisa NARA
IPC分类号： F04D29/16 , F04D25/08 , F04D25/06 , F04D29/28 , F04D29/42
CPC分类号： F04D29/162 , F04D25/06 , F04D25/0613 , F04D25/0693 , F04D25/08 , F04D29/281 , F04D29/4226 , F04D29/601
摘要： The present invention provides a centrifugal fan that can be easily positioned when it is installed in a device or apparatus, which can further improve positioning accuracy, and which can decrease noise, even if it is made thin. In the centrifugal fan in which an impeller is received inside a casing and air drawn in from a suction port formed on the casing by rotating the impeller is discharged from the casing to the outside of a blowing port, a circular protruded portion is formed on a peripheral edge of the suction port, and protrudes upwardly in a shaft direction from an upper surface of the casing.

7. 发明申请

US20150377238A1 CENTRIFUGAL FAN 审中-公开
标题翻译：离心风扇
公开(公告)号：US20150377238A1
公开(公告)日：2015-12-31
申请号：US14747010
申请日：2015-06-23
申请人： MINEBEA CO., LTD.
发明人： Seiya FUJIMOTO , Takako OTSUKA , Masaaki MATSUBARA
IPC分类号： F04D17/08 , F04D29/28 , F04D29/42 , F04D25/06
CPC分类号： F04D29/281 , F04D17/16 , F04D25/0613
摘要： A centrifugal fan includes: a motor; an impeller having an inlet port, the impeller being configured to be rotated by the motor and to discharge air suctioned from the inlet port outward from an outer circumferential portion of the impeller; a lower casing that is located below the impeller; a circuit board disposed between the lower casing and the impeller, the circuit board being, mounted with an electrical component including a drive circuit that drives the motor, wherein the impeller has a recessed portion formed in an annular shape around a rotational axis and on a lower face that faces the lower casing and the circuit hoard, and wherein at least a part of the electrical component is located inside the recessed portion of the impeller.
摘要翻译：离心风机包括：电动机; 具有入口的叶轮，所述叶轮被构造成由所述马达旋转，并且从所述叶轮的外周部向外排出从所述入口吸入的空气; 下壳体位于叶轮下方; 设置在所述下壳体和所述叶轮之间的电路板，所述电路板安装有包括驱动所述电动机的驱动电路的电气部件，其中所述叶轮具有围绕旋转轴线形成为环状的凹部，面向下壳体和电路板的下表面，并且其中电气部件的至少一部分位于叶轮的凹部内。

8. 发明申请

US20160053773A1 CENTRIFUGAL FAN 审中-公开
标题翻译：离心风扇
公开(公告)号：US20160053773A1
公开(公告)日：2016-02-25
申请号：US14933331
申请日：2015-11-05
申请人： MINEBEA CO., LTD.
发明人： Seiya FUJIMOTO , Takako FUKUDA , Yuzuru SUZUKI , Masaki OGUSHI
IPC分类号： F04D29/42 , F04D29/28 , F04D17/16
CPC分类号： F04D29/4246 , F04D17/16 , F04D25/0613 , F04D29/281
摘要： A centrifugal fan includes: a casing having an upper casing with an air suction opening, a lower casing, and a plurality of support members disposed between the lower casing and the upper casing with air discharge openings provided between the support members; an impeller disposed between the upper and lower casings, and including an annular upper shroud provided on an upper casing side, a base plate integrally formed with the annular upper shroud, and a plurality of blades arranged along a circumferential direction between the annular upper shroud and the base plate; and a fan motor which rotates the impeller. A plurality of recesses are provided on the upper surface of the upper casing, and formed to surround the air suction opening, and a plurality of ribs are radially provided around the air suction opening and between the adjacent recesses.
摘要翻译：离心式风扇包括：壳体，具有带有空气吸入口的上壳体，下壳体和设置在下壳体和上壳体之间的多个支撑构件，其中空气排出口设置在支撑构件之间; 设置在所述上壳体和下壳体之间的叶轮，并且包括设置在上壳体侧的环形上罩，与所述环形上罩一体形成的底板，以及沿所述环形上罩和所述环形上罩之间沿圆周方向布置的多个叶片基板; 以及使叶轮旋转的风扇马达。多个凹部设置在上壳体的上表面上，并且形成为围绕吸气口，并且在空气吸入口周围和相邻的凹部之间径向设置有多个肋。

9. 发明申请

US20140093366A1 CENTRIFUGAL FAN 有权
标题翻译：离心风扇
公开(公告)号：US20140093366A1
公开(公告)日：2014-04-03
申请号：US14026443
申请日：2013-09-13
申请人： MINEBEA CO., LTD.
发明人： Takako OTSUKA , Seiya FUJIMOTO , Takayuki YAMASAKI , Masaki OGUSHI
IPC分类号： F04D29/66
CPC分类号： F04D29/666 , F04D29/281 , F04D29/30
摘要： A centrifugal fan includes an impeller, and a lower casing provided below the impeller. The impeller includes an upper shroud having an upper portion formed with an inlet, a lower shroud, and a plurality of blades arranged along a circumference direction between the upper shroud and the lower shroud. The blades extend from an inner side area to an outer side area in a radial direction, and are only connected to the lower shroud with the inner side area such that at least an outer circumferential side portion of each blade faces an upper surface of the lower casing. A surface of the lower casing, which faces the impeller, configures a portion of a wall surface which guides the fluid introduced from the inlet. A surface of each blade at a side of a leading edge portion is formed with a discontinuous portion having a step shape.
摘要翻译：离心风扇包括叶轮和设置在叶轮下方的下壳体。叶轮包括上护罩，其具有形成有入口，下护罩的上部部分和沿着上护罩和下护罩之间的圆周方向布置的多个刀片。叶片从内侧区域向径向外侧区域延伸，并且仅与内侧区域连接到下护罩，使得每个刀片的至少外周侧部分面向下侧的上表面套管。下壳体的面向叶轮的表面构成了引导从入口引入的流体的壁表面的一部分。每个叶片在前缘部分的一侧的表面形成有具有台阶形状的不连续部分。

10. 发明申请

US20140044534A1 CENTRIFUGAL FAN 有权
标题翻译：离心风扇
公开(公告)号：US20140044534A1
公开(公告)日：2014-02-13
申请号：US13961144
申请日：2013-08-07
申请人： MINEBEA CO., LTD.
发明人： Takayuki YAMASAKI , Seiya FUJIMOTO , Takako OTSUKA , Masaki OGUSHI
IPC分类号： F04D29/66
CPC分类号： F04D29/666 , F04D29/281 , F04D29/30
摘要： A centrifugal fan includes a casing having an upper casing and a lower casing, and an impeller disposed between the upper and lower casing. The impeller includes an upper shroud having an upper portion formed with an inlet, a lower shroud, and a plurality of blades arranged along a circumference direction between the upper shroud and the lower shroud. The lower shroud is provided only on a portion at a side of a rotation axis of the impeller such that at least an outer circumferential side portion of each blade faces an upper surface of the lower casing. A surface of the lower casing, which faces the impeller, configures a portion of a wall surface which guides the fluid introduced from the inlet. Each blade has a shape which becomes thinner as increasing a distance from the upper shroud in a direction parallel to the rotation axis.
摘要翻译：离心风扇包括具有上壳体和下壳体的壳体，以及设置在上壳体和下壳体之间的叶轮。叶轮包括上护罩，其具有形成有入口，下护罩的上部部分和沿着上护罩和下护罩之间的圆周方向布置的多个刀片。下护罩仅设置在叶轮的旋转轴线的一侧的部分上，使得每个叶片的至少外周侧部分面向下壳体的上表面。下壳体的面向叶轮的表面构成了引导从入口引入的流体的壁表面的一部分。每个叶片的形状在与旋转轴线平行的方向上距离上护罩的距离增加时变薄。

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