-
公开(公告)号：US11002292B2
公开(公告)日：2021-05-11
申请号：US16329369
申请日：2016-11-18
发明人： Seiji Nakashima , Yasuaki Kato , Wahei Shingu , Hiroaki Murakami
摘要： A propeller fan includes a boss and a blade. The boss rotates about an axis. The blade is provided at an outer periphery of the boss. The blade has a first region in a radial direction. In the first region, a blade chord center line shifts downstream toward an outer peripheral side. In a cylindrical cross section about an axis, a cross-sectional shape of the blade at least in the first region is an airfoil shape. When a cross section taken along the blade chord center line and projected onto a plane including the axis is viewed, the blade chord center line is a curve having a convex on a downstream side in an entire region in the radial direction.
-
公开(公告)号：US09897108B2
公开(公告)日：2018-02-20
申请号：US14654673
申请日：2013-12-10
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/663 , F04D17/08 , F04D25/02 , F04D29/281 , F04D29/384 , F04D29/4226 , F05D2240/304
摘要： An inner peripheral side of the blade with respect to an apex (P) of the leading edge protruding portion extends forward in the fan rotating direction with respect to the apex (P). A radius (Rq) at a position of an apex (Q) of the trailing edge protruding portion is larger than a radius (Rp) at a position of the apex (P). The radius (Rq) at the position of the apex (Q) is larger than an intermediate radius (Rm) between a radius (Ro) of an outer peripheral edge and a radius (Ri) of an inner peripheral edge.
-
公开(公告)号：US09970454B2
公开(公告)日：2018-05-15
申请号：US14776902
申请日：2014-01-20
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/329 , F04D19/002 , F04D25/08 , F04D29/384 , F04D29/666 , F04D29/667 , F04D29/681 , F05D2240/306
摘要： A propeller fan, including: a boss; and a plurality of blades, each of the plurality of blades including a pressure surface and a suction surface, in which: when a connecting portion between the pressure surface and a side surface of the boss is defined as a pressure surface-side boundary portion, and a connecting portion between the suction surface and the side surface of the boss is defined as a suction surface-side boundary portion, a curvature of the suction surface-side boundary portion is smaller than a curvature of the pressure surface-side boundary portion; and as a blade area projected on a plane orthogonal to the rotation axis, a blade area of the suction surface is larger than a blade area of the pressure surface.
-
4.发明授权公开(公告)号：US09863433B2
公开(公告)日：2018-01-09
申请号：US14411590
申请日：2013-07-08
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/384 , F04D19/002 , F04D29/545 , F04D29/663 , F04D29/667 , F05D2240/301 , F05D2240/307
摘要： The propeller fan includes a boss including a rotation axis, a plurality of blades formed on an outer periphery of the boss, and a bellmouth arranged so as to surround the plurality of blades at a trailing edge side of each of the blades. Each blade has a bending portion that bulges toward an upstream side of the air current in a cross-sectional shape in a radial direction, and a bend of the bending portion of the blade at an inner side of the bellmouth is set to be gentler than a bend of the bending portion of the blade at an outer side of the bellmouth.
-
5.发明申请PROPELLER FAN, AND AIR BLOWER, AIR CONDITIONER, AND HOT-WATER SUPPLY OUTDOOR UNIT INCLUDING THE SAME 审中-公开螺旋桨风扇，空气鼓风机，空气调节器和热水供应室内单元，包括它们公开(公告)号：US20150176597A1
公开(公告)日：2015-06-25
申请号：US14417894
申请日：2013-07-18
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/384 , F04D19/002 , F04D29/545 , F04D29/667 , F05D2240/301 , F05D2240/307
摘要： In a blade cross-sectional view, assuming that a tangent at an end of the outer periphery is defined as LQ, an imaginary line orthogonal to the rotation axis is defined as LO, an angle formed by the tangent (LQ) and the imaginary line (LO) is defined as an outer peripheral end tangent angle (θ), and a position at which an imaginary plane including a position of an intake-side end portion of the bellmouth and a peripheral edge of the blade cross each other is defined as an overlap starting point, the outer peripheral end tangent angle on a trailing edge portion side with respect to a blade cross section including the overlap starting point is set to be smaller than the outer peripheral end tangent angle on a leading edge portion side with respect to the blade cross section including the overlap starting point.
摘要翻译： 在叶片横截面视图中，假定外周的端部的切线被定义为LQ，将与旋转轴正交的假想线定义为LO，由切线（LQ）和假想线形成的角度 （LO）被定义为外周端切线角（＆amp;θ），并且限定了包括喇叭口的进气侧端部的位置和叶片的周边的位置的假想平面彼此交叉的位置 作为重叠起点，相对于包括重叠起始点的叶片横截面的后缘部侧的外周端切线角设定为小于前缘部侧的外周端切线角，相对于 涉及包括重叠起点的叶片横截面。
-
公开(公告)号：US11262098B2
公开(公告)日：2022-03-01
申请号：US16325472
申请日：2017-10-30
发明人： Takuya Teramoto , Takashi Ikeda , Yasuaki Kato , Ryo Horie
IPC分类号： F24F1/0025 , F24F13/08 , F24F1/0033 , F24F1/0047 , F24F1/0022 , F24F1/0011 , F04D29/44
摘要： An indoor unit according to the present invention includes: an air-sending portion, which includes a casing having a rectangular air outlet and accommodating an impeller including a plurality of blades; a heat exchanger, which is configured to exchange heat with gas sent from the air-sending portion; and a guide portion, which includes an upper guide defining a passage for the gas and being arranged between an upper edge portion of the air outlet and an upper end portion of the heat exchanger and a lower guide defining a passage for the gas and being arranged between a lower edge portion of the air outlet and a lower end portion of the heat exchanger, and is open at side regions of the guide portion.
-
7.发明授权公开(公告)号：US10047764B2
公开(公告)日：2018-08-14
申请号：US14417894
申请日：2013-07-18
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
摘要： In a blade cross-sectional view, assuming that a tangent at an end of the outer periphery is defined as LQ, an imaginary line orthogonal to the rotation axis is defined as LO, an angle formed by the tangent (LQ) and the imaginary line (LO) is defined as an outer peripheral end tangent angle (θ), and a position at which an imaginary plane including a position of an intake-side end portion of the bellmouth and a peripheral edge of the blade cross each other is defined as an overlap starting point, the outer peripheral end tangent angle on a trailing edge portion side with respect to a blade cross section including the overlap starting point is set to be smaller than the outer peripheral end tangent angle on a leading edge portion side with respect to the blade cross section including the overlap starting point.
-
公开(公告)号：US09874227B2
公开(公告)日：2018-01-23
申请号：US14899384
申请日：2013-07-05
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/522 , F04D19/002 , F04D25/08 , F04D29/325 , F04D29/547 , F04D29/703 , F05D2250/73
摘要： An air blower includes a casing having an air inlet portion and an air outlet portion, a fan, and a fan guard. The fan includes a boss portion and a plurality of blades. The fan guard includes a guide portion having a tubular outer shape, which protrudes toward the fan. A center in a distal end shape, which is defined by a contour line of a distal end portion of the guide portion, matches with a rotation axis of the boss portion. A center in a root shape, which is defined by a contour line of a root portion of the guide portion, is shifted with respect to the rotation axis of the boss portion.
-
9.发明申请PROPELLER FAN, AND AIR BLOWER, AIR CONDITIONER, AND HOT-WATER SUPPLY OUTDOOR UNIT INCLUDING THE SAME 有权螺旋桨风扇，空气鼓风机，空气调节器和热水供应室内单元，包括它们公开(公告)号：US20150159671A1
公开(公告)日：2015-06-11
申请号：US14411590
申请日：2013-07-08
发明人： Takahide Tadokoro , Yasuaki Kato , Atsushi Kono
CPC分类号： F04D29/384 , F04D19/002 , F04D29/545 , F04D29/663 , F04D29/667 , F05D2240/301 , F05D2240/307
摘要： The propeller fan includes a boss including a rotation axis, a plurality of blades formed on an outer periphery of the boss, and a bellmouth arranged so as to surround the plurality of blades at a trailing edge side of each of the blades. Each blade has a bending portion that bulges toward an upstream side of the air current in a cross-sectional shape in a radial direction, and a bend of the bending portion of the blade at an inner side of the bellmouth is set to be gentler than a bend of the bending portion of the blade at an outer side of the bellmouth.
摘要翻译： 螺旋桨式风扇包括：包括旋转轴的凸台，形成在凸台的外周上的多个叶片，以及在每个叶片的后缘侧围绕多个叶片布置的喇叭口。 每个叶片具有向径向横截面形状的气流的上游侧凸出的弯曲部，并且在喇叭口的内侧的叶片的弯曲部的弯曲被设定为比 在喇叭口的外侧的叶片的弯曲部分的弯曲。
-
-
-
-
-
-
-
-
搜索结果
9 条记录 (耗时 0.016 秒)