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公开(公告)号：US20070084235A1
公开(公告)日：2007-04-19
申请号：US10573413
申请日：2004-09-21
CPC分类号： F24F1/0059 , F24F1/0007 , F24F1/0025 , F24F2001/0048
摘要： To provide an air conditioner capable of reducing an input power and a rotational speed of a fan motor necessary for obtaining a predetermined flow rate from an indoor unit. An air conditioner includes an indoor unit 8 having at least one inlet 6 and one outlet 8; a cross-flow fan 1 connected to a fan motor; a front heat exchanger 2; and a back heat exchanger 3, wherein an installation angle a of the front heat exchanger 2 positioned above the rotational center of the cross-flow fan 1 relative to the horizon is 65°≦α≦90°, a point of the back heat exchanger 3 closest to the front heat exchanger 2 is located adjacent to the front heat exchanger 2 from the rotational center of the cross-flow fan 1, and an outlet angle β2 of a blade of the cross-flow fan 1 is 22°≦β2≦28°.
摘要翻译： 提供能够降低从室内单元获得预定流量所需的风扇电动机的输入功率和转速的空调装置。 空调机包括具有至少一个入口6和一个出口8的室内机8; 连接到风扇马达的横流风扇1; 前部热交换器2; 和后部热交换器3，其中位于横流风扇1的旋转中心相对于水平面的前侧热交换器2的安装角度α为65°<=α<= 90°，背部的一点 最靠近前侧热交换器2的热交换器3从横流风扇1的旋转中心与前侧热交换器2相邻配置，并且横流风扇1的叶片的出口角度β2为22° <=β2 <= 28°。
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公开(公告)号：US07673671B2
公开(公告)日：2010-03-09
申请号：US10573413
申请日：2004-09-21
IPC分类号： F24H3/06
CPC分类号： F24F1/0059 , F24F1/0007 , F24F1/0025 , F24F2001/0048
摘要： To provide an air conditioner capable of reducing an input power and a rotational speed of a fan motor necessary for obtaining a predetermined flow rate from an indoor unit. An air conditioner includes an indoor unit 8 having at least one inlet 6 and one outlet 8; a cross-flow fan 1 connected to a fan motor; a front heat exchanger 2; and a back heat exchanger 3, wherein an installation angle α of the front heat exchanger 2 positioned above the rotational center of the cross-flow fan 1 relative to the horizon is 65°≦α≦90°, a point of the back heat exchanger 3 closest to the front heat exchanger 2 is located adjacent to the front heat exchanger 2 from the rotational center of the cross-flow fan 1, and an outlet angle β2 of a blade of the cross-flow fan 1 is 22°≦β2≦28°.
摘要翻译： 提供能够降低从室内单元获得预定流量所需的风扇电动机的输入功率和转速的空调装置。 空调机包括具有至少一个入口6和一个出口8的室内机8; 连接到风扇马达的横流风扇1; 前部热交换器2; 以及后部热交换器3，其中位于横流风扇1的旋转中心相对于水平面的前侧热交换器2的安装角度α为65°＆nlE;α＆nlE; 90°，背部热量 最靠近前侧热交换器2的交换器3与横流风扇1的旋转中心相邻地设置在前侧热交换器2的旁边，并且横流风扇1的叶片的出口角度＆amp; bgr2为22° ＆nlE;＆bgr; 2＆nlE; 28°。
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公开(公告)号：US07517185B2
公开(公告)日：2009-04-14
申请号：US10585104
申请日：2005-09-14
申请人： Seiji Hirakawa , Shoji Yamada , Akira Takamori , Mitsuhiro Shirota , Toshiaki Yoshikawa , Takashi Ikeda , Hiroki Okazawa
发明人： Seiji Hirakawa , Shoji Yamada , Akira Takamori , Mitsuhiro Shirota , Toshiaki Yoshikawa , Takashi Ikeda , Hiroki Okazawa
IPC分类号： F04D5/00
CPC分类号： F24F13/24 , F04D17/04 , F04D29/422 , F24F1/0007 , F24F1/0025 , F24F2001/0048
摘要： In an air conditioner, reverse inhalation is prevented while broad band noise and wind sound are reduced. A projection arranged at the leading end of a stabilizer on the downstream side of an air stream flowing along a surface of the stabilizer opposing an impeller and protrudes toward the impeller to define the shortest distance to the impeller. A plurality of grooves or projections are provided on the opposing surface on the upstream side of the projection to disturb the air stream flowing along the opposing surface. The positions of the grooves or the projections are arranged apart in a rotational axis direction. A plurality of convex portions are provided to disturb an air stream flowing along a surface of a casing opposing the impellers. The positions of the convex portions are arranged apart in the rotational axis direction of the impeller.
摘要翻译： 在空调中，防止了宽带噪音和风声降低的反向吸入。 布置在稳定器的前端处的突出部，其沿着与叶轮相对的稳定器的表面流动的空气流的下游侧突出并朝向叶轮突出以限定到叶轮的最短距离。 在突起的上游侧的相对表面上设置有多个凹槽或突起，以扰乱沿相对表面流动的空气流。 槽或突起的位置沿旋转轴线方向分开设置。 提供多个凸部来扰乱沿着与叶轮相对的壳体的表面流动的空气流。 凸部的位置在叶轮的旋转轴线方向上分开设置。
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公开(公告)号：US20080181764A1
公开(公告)日：2008-07-31
申请号：US10585104
申请日：2005-09-14
申请人： Seiji Hirakawa , Shoji Yamada , Akira Takamori , Mitsuhiro Shirota , Toshiaki Yoshikawa , Takashi Ikeda , Hiroki Okazawa
发明人： Seiji Hirakawa , Shoji Yamada , Akira Takamori , Mitsuhiro Shirota , Toshiaki Yoshikawa , Takashi Ikeda , Hiroki Okazawa
IPC分类号： F04D5/00
CPC分类号： F24F13/24 , F04D17/04 , F04D29/422 , F24F1/0007 , F24F1/0025 , F24F2001/0048
摘要： In an air conditioner, reverse inhalation is prevented while broad band noise and wind sound are reduced.There are provided a projection 12b arranged at the leading end of a stabilizer 12 on the downstream side of an air stream F flowing along a surface 12a of the stabilizer opposing an impeller so as to protrude toward the impeller to define the shortest distance to the impeller, and a plurality of grooves 12e or projections provided on the opposing surface on the upstream side of the projection 12b so as to disturb the air stream flowing along the opposing surface 12a. The positions of the grooves 12e or the projections are arranged apart in a rotational axis direction E. A plurality of convex portions are provided so as to disturb an air stream flowing along a surface of a casing opposing the impeller, and the positions of the convex portions are arranged apart in the rotational axis direction of the impeller.
摘要翻译： 在空调中，防止了宽带噪音和风声降低的反向吸入。 设置有突起12b，突出部12b布置在沿着沿着与叶轮相对的稳定器的表面12a流动的空气流F的下游侧的稳定器12的前端，以便朝向叶轮突出以限定到 叶轮和设置在突起12b的上游侧的相对表面上的多个槽12e或突起，以便扰乱沿相对表面12a流动的空气流。 凹槽12e或突起的位置在旋转轴线方向E上分开设置。多个凸部设置成妨碍沿着与叶轮相对的壳体的表面流动的空气流，并且位置 凸部沿叶轮的旋转轴线方向分开配置。
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公开(公告)号：US09453512B2
公开(公告)日：2016-09-27
申请号：US14003279
申请日：2011-03-11
申请人： Takahide Tadokoro , Takashi Ikeda , Seiji Hirakawa
发明人： Takahide Tadokoro , Takashi Ikeda , Seiji Hirakawa
摘要： A cross flow fan achieves low power input and low noise level by preventing flow separation on an air inlet side and reducing a maximum air velocity in the gap between the blades. At least one of units constituting a cross flow fan is an appearance unit configured such that when the unit is sequentially cut in a direction from one of rings to the other ring along a plane whose normal coincides with a rotation axis, a region S and a region C appear, the radius of a second circle, serving as an inner circumferencial circle (having a radius), in the region S being a first radius of predetermined length, the radius of the second circle, serving as the inner circumferencial circle, in the region C being a second radius shorter than the first radius.
摘要翻译： 横流风扇通过防止空气入口侧的流动分离并降低叶片之间的间隙中的最大空气速度来实现低功率输入和低噪声水平。 构成横流风扇的单元中的至少一个是外观单元，其构造成使得当单元沿着从一个环到另一个环的方向从沿着与旋转轴一致的平面的顺序切割时，区域S和 在区域S中出现作为内圆周（具有半径）的第二圆的半径，在区域S中是预定长度的第一半径，用作内圆周的第二圆的半径 区域C是比第一半径短的第二半径。
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公开(公告)号：US20130336788A1
公开(公告)日：2013-12-19
申请号：US14003279
申请日：2011-03-11
申请人： Takahide Tadokoro , Takashi Ikeda , Seiji Hirakawa
发明人： Takahide Tadokoro , Takashi Ikeda , Seiji Hirakawa
IPC分类号： F04D17/04
摘要： A cross flow fan achieves low power input and low noise level by preventing flow separation on an air inlet side and reducing a maximum air velocity in the gap between the blades. At least one of units constituting a cross flow fan is an appearance unit configured such that when the unit is sequentially cut in a direction from one of rings to the other ring along a plane whose normal coincides with a rotation axis, a region S and a region C appear, the radius of a second circle, serving as an inner circumferencial circle (having a radius), in the region S being a first radius of predetermined length, the radius of the second circle, serving as the inner circumferencial circle, in the region C being a second radius shorter than the first radius.
摘要翻译： 横流风扇通过防止空气入口侧的流动分离并降低叶片之间的间隙中的最大空气速度来实现低功率输入和低噪声水平。 构成横流风扇的单元中的至少一个是外观单元，其构造成使得当单元沿着从一个环到另一个环的方向从沿着与旋转轴一致的平面的顺序切割时，区域S和 在区域S中出现作为内圆周（具有半径）的第二圆的半径，在区域S中是预定长度的第一半径，用作内圆周的第二圆的半径 区域C是比第一半径短的第二半径。
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公开(公告)号：US10436496B2
公开(公告)日：2019-10-08
申请号：US14389428
申请日：2012-10-04
申请人： Takashi Ikeda , Takahide Tadokoro , Mitsuhiro Shirota , Seiji Hirakawa , Koji Yamaguchi , Koichi Umetsu
发明人： Takashi Ikeda , Takahide Tadokoro , Mitsuhiro Shirota , Seiji Hirakawa , Koji Yamaguchi , Koichi Umetsu
IPC分类号： F25D17/06 , F24F7/007 , F04D17/04 , F24F1/0018 , F04D29/30 , F24F1/0025
摘要： A blade included in an impeller is formed so that, when viewed in a vertical cross-sectional view of the blade, a pressure surface of the blade and a suction surface of the blade opposite to the pressure surface are curved more in the direction in which the impeller rotates, in their areas farther from the axis of rotation of the impeller and closer to the exterior of the blade, and are arched so that a portion near the center of the blade is most distant from a straight line connecting the inner end and the outer end of the blade, the pressure surface and the suction surface form a curved surface including at least one circular arc, and a straight portion of the blade is formed to be connected to the curved surface on its one side, and extend toward the inner end of the blade on its other side.
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公开(公告)号：US20150056910A1
公开(公告)日：2015-02-26
申请号：US14389428
申请日：2012-10-04
申请人： Takashi Ikeda , Takahide Tadokoro , Mitsuhiro Shirota , Seiji Hirakawa , Koji Yamaguchi , Koichi Umetsu
发明人： Takashi Ikeda , Takahide Tadokoro , Mitsuhiro Shirota , Seiji Hirakawa , Koji Yamaguchi , Koichi Umetsu
CPC分类号： F25D17/06 , F04D17/04 , F04D29/30 , F24F1/0018 , F24F1/0025 , F24F7/007
摘要： A blade included in an impeller is formed so that, when viewed in a vertical cross-sectional view of the blade, a pressure surface of the blade and a suction surface of the blade opposite to the pressure surface are curved more in the direction in which the impeller rotates, in their areas farther from the axis of rotation of the impeller and closer to the exterior of the blade, and are arched so that a portion near the center of the blade is most distant from a straight line connecting the inner end and the outer end of the blade, the pressure surface and the suction surface form a curved surface including at least one circular arc, and a straight portion of the blade is formed to be connected to the curved surface on its one side, and extend toward the inner end of the blade on its other side.
摘要翻译： 包括在叶轮中的叶片形成为使得当从叶片的垂直横截面视图中观察时，叶片的压力表面和与压力表面相对的叶片的吸力表面在其方向上弯曲得更多 叶轮在其离开叶轮的旋转轴线更远离叶片的外部的区域内旋转，并且被成拱形，使得靠近叶片中心的部分最远离连接内端和 叶片的外端，压力表面和吸力表面形成包括至少一个圆弧的弯曲表面，并且叶片的直线部分形成为连接到其一侧上的弯曲表面，并且朝向 叶片的另一侧的内端。
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公开(公告)号：US20120097367A1
公开(公告)日：2012-04-26
申请号：US13380374
申请日：2009-07-10
IPC分类号： F28D15/00
CPC分类号： F24F13/30 , F24F1/0007 , F24F13/22
摘要： The present invention provides indoor unit of air conditioner including a plurality of heat-exchangers, main-unit casing that accommodates heat-exchangers and includes suction air duct extending from air inlet to heat-exchangers and blowout air duct extending from heat-exchangers to air outlet, and air blower that is provided in blowout air duct and blows out air taken in from air inlet, from air outlet after having air passed through heat-exchangers. In indoor unit, heat-exchangers include rear-side heat-exchanger arranged opposite to air blower on upper side in main-unit casing with lower end thereof being arranged on rear surface side of main-unit casing, backplane that constitutes rear-side duct wall of blowout air duct is provided on rear surface side of main-unit casing, and heat transfer unit that transfers heat of air before passing through heat-exchangers or heat of air outside main-unit casing to backplane is provided in main-unit casing
摘要翻译： 本发明提供一种包括多个热交换器的空调机的室内机，容纳热交换器的主机壳体，具有从空气入口向热交换器延伸的吸入风道和从热交换器延伸到空气的吹出风道 出风口和吹气管，并且在空气通过热交换器之后从空气出口吹出从进气口吸入的空气。 在室内机中，热交换器包括与主机壳体上侧的鼓风机相对的后侧热交换器，其下端配置在主机壳体的背面侧，构成后侧导管 在主机壳体的背面侧设置有吹出空气导管壁，在主体壳体外侧的空气通过热交换器或空气之间传递空气的热传递单元设置在主体壳体
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