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1. 发明申请

US20150056069A1 ROTARY MACHINE 有权
公开(公告)号：US20150056069A1
公开(公告)日：2015-02-26
申请号：US14377011
申请日：2012-02-27
申请人： Jo Masutani , Satoru Yoshida
发明人： Jo Masutani , Satoru Yoshida
IPC分类号： F04D29/42 , F04D29/44 , F04D17/12
CPC分类号： F04D17/12 , F04D17/122 , F04D29/4206 , F04D29/4213 , F04D29/441 , F04D29/444 , F04D29/701 , F05D2250/51
摘要： A rotary machine includes a guide section formed in an annular flow path in communication with a suction volute at an inner circumferential side of the suction volute, at which a plurality of vanes are installed in a circumferential direction, and configured to guide a fluid introduced from the suction volute, and an impeller connected to the guide section in the axial direction and into which the fluid guided by the guide section is introduced, wherein the suction volute has an annular opening section in communication with the guide section at the inner circumferential side, and an inner wall surface extending from the opening section toward the axial direction impeller in the axial direction to increase a width dimension in the axial direction and connected to a partition section at an opposite side of the suction nozzle.

2. 发明授权

US09835161B2 Rotary machine 有权
公开(公告)号：US09835161B2
公开(公告)日：2017-12-05
申请号：US14377011
申请日：2012-02-27
申请人： Jo Masutani , Satoru Yoshida
发明人： Jo Masutani , Satoru Yoshida
IPC分类号： F04D17/12 , F04D29/42 , F04D29/44 , F04D29/70
CPC分类号： F04D17/12 , F04D17/122 , F04D29/4206 , F04D29/4213 , F04D29/441 , F04D29/444 , F04D29/701 , F05D2250/51
摘要： A rotary machine includes a guide section formed in an annular flow path in communication with a suction volute at an inner circumferential side of the suction volute, at which a plurality of vanes are installed in a circumferential direction, and configured to guide a fluid introduced from the suction volute, and an impeller connected to the guide section in the axial direction and into which the fluid guided by the guide section is introduced. The suction volute has an annular opening section in communication with the guide section at the inner circumferential side, and an inner wall surface extending from the opening section toward the axial direction of the impeller in the axial direction to increase a width dimension in the axial direction and connected to a partition section at an opposite side of the suction nozzle.

3. 发明申请

US20120027599A1 IMPELLER AND ROTARY MACHINE 有权
标题翻译：叶轮和旋转机
公开(公告)号：US20120027599A1
公开(公告)日：2012-02-02
申请号：US13262929
申请日：2010-02-18
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F01D25/00
CPC分类号： F04D29/30 , F04D29/286
摘要： An impeller of a rotary machine, in which the direction of flow changes from an axial direction to a radial direction as it goes from the inside in the radial direction of a fluid flow passage to the outside in the radial direction thereof, includes: a hub surface constituting at least a portion of the fluid flow passage; a blade surface constituting at least a portion of the fluid flow passage; and a bulge that bulges toward the inside of the fluid flow passage at a corner where a pressure surface, which configures the blade surface, comes in contact with the hub surface in the vicinity of an inlet of the fluid flow passage.
摘要翻译：旋转机械的叶轮，其流动方向从径流方向从流体流路径向内侧向径向外侧变化的方式包括：轮毂表面构成流体流动通道的至少一部分; 构成所述流体流路的至少一部分的叶片面; 以及在配置叶片表面的压力表面与流体流动通道的入口附近的轮毂表面接触的角部处朝向流体流动通道的内部隆起的凸起。

4. 发明授权

US08328510B2 Sealing device for rotary fluid machine, and rotary fluid machine 有权
标题翻译：旋转流体机械密封装置，旋转流体机械
公开(公告)号：US08328510B2
公开(公告)日：2012-12-11
申请号：US12528509
申请日：2008-05-26
申请人： Akihiro Nakaniwa , Jo Masutani
发明人： Akihiro Nakaniwa , Jo Masutani
IPC分类号： F04D29/10
CPC分类号： F04D17/12 , F04D25/16 , F04D29/102 , F04D29/661
摘要： A sealing device includes a housing that rotatably accommodates a rotary shaft, a plurality of guide parts that extend along at least one of a radial direction and an axial direction of the rotary shaft and that impart flow velocity components in the rotation direction of the rotary shaft to fluid passing through therebetween, a partition part that connects ends of the plurality of guide parts and that serves as a partition between spaces between the plurality of guide parts and an outside space, a first seal part that is an annular protrusion extending in the radial direction, that forms a first gap with respect to the rotary shaft or the housing, and that blocks fluid flowing toward the plurality of guide parts, and a second seal part that is an annular protrusion, that forms a second gap with respect to the rotary shaft or the partition part, and that blocks fluid flowing through the outside space.
摘要翻译：密封装置包括可旋转地容纳旋转轴的壳体，沿着旋转轴的径向方向和轴向方向中的至少一个延伸的多个引导部，并且使得旋转轴的旋转方向上的流速分量通过它们之间的流体，分隔部分，其连接所述多个引导部分的端部，并且用作所述多个引导部分之间的空间与外部空间之间的间隔;第一密封部，其是径向延伸的环形突起方向，其相对于旋转轴或壳体形成第一间隙，并阻止朝向多个引导部分流动的流体;以及作为环形突起的第二密封部分，其相对于旋转体形成第二间隙轴或分隔部分，并且阻止流过外部空间的流体。

5. 发明授权

US09404506B2 Impeller and rotary machine 有权
标题翻译：叶轮和旋转机
公开(公告)号：US09404506B2
公开(公告)日：2016-08-02
申请号：US13262929
申请日：2010-02-18
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F04D29/30 , F04D29/28
CPC分类号： F04D29/30 , F04D29/286
摘要： An impeller of a rotary machine, in which the direction of flow changes from an axial direction to a radial direction as it goes from the inside in the radial direction of a fluid flow passage to the outside in the radial direction thereof, includes a hub surface constituting at least a portion of the fluid flow passage. The impeller also includes a blade surface constituting at least a portion of the fluid flow passage, and a bulge that bulges toward the inside of the fluid flow passage at a corner where a pressure surface, which configures the blade surface, comes in contact with the hub surface in the vicinity of an inlet of the fluid flow passage.
摘要翻译：旋转机械的叶轮，其流动方向从流体流路径向内侧向径向外侧向径向变化的方向包括轮毂面构成流体流路的至少一部分。叶轮还包括构成流体流动通道的至少一部分的叶片表面和在构成叶片表面的压力表面与其接触的角部处朝向流体流动通道的内部隆起的凸起轮毂表面在流体流动通道的入口附近。

6. 发明申请

US20110311356A1 SUCTION CASING AND FLUID MACHINE 有权
标题翻译：吸水机和流体机
公开(公告)号：US20110311356A1
公开(公告)日：2011-12-22
申请号：US13148497
申请日：2010-02-16
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F01D1/02
CPC分类号： F04D29/701 , F04D29/4213 , F04D29/441 , F04D29/444 , F05D2250/51
摘要： A suction casing of the present invention includes: a suction nozzle that introduces a fluid from an outer circumferential side to an inner circumferential side in a radial direction; and a chamber that includes a substantially doughnut-shaped space in communication with an inside of the suction nozzle on the outer circumferential side and that guides the fluid, introduced from the suction nozzle, to an inlet opening portion opening in an axial direction and disposed in a substantially annular shape, in which the chamber is formed so that a radial width is narrower in a circumferential direction from a joint portion in communication with the suction nozzle to an opposite side across a central axis.
摘要翻译：本发明的抽吸壳体包括：吸入嘴，其将流体从径向方向的外周侧引导到内周侧; 以及室，其具有与外周侧的吸嘴的内部连通的大致环状空间，并且将从吸嘴引入的流体引导到沿轴向开口的入口开口部，并且配置在大致环形的形状，其中腔形成为使得径向宽度在与吸嘴连通的接合部分的圆周方向上相对于中心轴线的相对侧窄。

7. 发明申请

US20100028148A1 SEALING DEVICE FOR ROTARY FLUID MACHINE, AND ROTARY FLUID MACHINE 有权
标题翻译：旋转流体机械的密封装置和旋转流体机械
公开(公告)号：US20100028148A1
公开(公告)日：2010-02-04
申请号：US12528509
申请日：2007-06-06
申请人： Akihiro Nakaniwa , Jo Masutani
发明人： Akihiro Nakaniwa , Jo Masutani
IPC分类号： F04D29/10 , F04D17/12 , F04D25/16 , F04D29/66
CPC分类号： F04D17/12 , F04D29/102 , F04D29/661
摘要： The invention provides a sealing device for a rotary fluid machine and a rotary fluid machine that reduce a decrease in efficiency and suppress swirling stall in a multistage rotary fluid machine. The sealing device includes a housing that rotatably accommodates a rotary shaft; a plurality of guide parts that extend along at least one of a radial direction and an axial direction of the rotary shaft and that impart flow velocity components in the rotation direction of the rotary shaft to fluid passing through therebetween; a partition part that connects ends of the plurality of guide parts and that serves as a partition between spaces between the plurality of guide parts and an outside space; a first seal part that is an annular protrusion extending in the radial direction, that forms a first gap with respect to the rotary shaft or the housing, and that blocks fluid flowing toward the plurality of guide parts; and a second seal part that is an annular protrusion, that forms a second gap with respect to the rotary shaft or the partition part, and that blocks fluid flowing through the outside space.
摘要翻译：本发明提供了一种用于旋转流体机械和旋转流体机械的密封装置，其减少了多级旋转流体机械中的效率的降低并抑制了旋转失速。密封装置包括可旋转地容纳旋转轴的壳体; 多个引导部，其沿着所述旋转轴的径向和轴向方向中的至少一个延伸，并且将所述旋转轴的旋转方向的流速分量赋予流过所述旋转轴的流体; 分隔部分，其连接所述多个引导部分的端部并且用作所述多个引导部分之间的空间与外部空间之间的分隔; 第一密封部，其是在径向方向上延伸的环状突起，其相对于所述旋转轴或所述壳体形成第一间隙，并且阻挡朝向所述多个引导部流动的流体; 以及第二密封部，其是相对于所述旋转轴或所述分隔部形成第二间隙的环状突起，并且阻止流过所述外部空间的流体。

8. 发明申请

US20120100003A1 IMPELLER AND ROTARY MACHINE 有权
标题翻译：叶轮和旋转机
公开(公告)号：US20120100003A1
公开(公告)日：2012-04-26
申请号：US13259286
申请日：2010-02-18
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F01D5/14 , F04D29/18
CPC分类号： F04D29/68 , F04D29/24 , F04D29/281 , F04D29/284 , F04D29/30
摘要： An impeller of a rotary machine, in which the direction of flow gradually changes from an axial direction to a radial direction as it goes from the inside in the radial direction of a fluid flow passage to the outside in the radial direction thereof, includes: a hub surface constituting at least a portion of the fluid flow passage; a blade surface constituting at least a portion of the fluid flow passage; and a bulge that bulges toward the inside of the fluid flow passage at a corner where the hub surface, which is located at a rear half that is one of a front half on an inlet side of the fluid flow passage and the rear half on an outlet side thereof, comes in contact with the blade surface.
摘要翻译：旋转机械的叶轮，其流动方向从流体流动通道的径向内侧沿径向从径向方向从径向方向逐渐变化到其径向外侧时，包括：毂表面构成流体流动通道的至少一部分; 构成所述流体流路的至少一部分的叶片面; 以及在位于流体流路的入口侧的前半部的后半部和后半部的后表面的一侧的角部处朝向流体流路的内侧朝向内侧膨胀的凸起，出口侧与叶片表面接触。

9. 发明授权

US09163643B2 Suction casing and fluid machine 有权
标题翻译：抽吸套管和流体机
公开(公告)号：US09163643B2
公开(公告)日：2015-10-20
申请号：US13148497
申请日：2010-02-16
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F04D1/06 , F04D29/70 , F04D29/44
CPC分类号： F04D29/701 , F04D29/4213 , F04D29/441 , F04D29/444 , F05D2250/51
摘要： A suction casing includes a suction nozzle that introduces a fluid from an outer circumferential side to an inner circumferential side in a radial direction; and a chamber that includes a substantially doughnut-shaped space in communication with an inside of the suction nozzle on the outer circumferential side and that guides the fluid, introduced from the suction nozzle, to an inlet opening portion opening in an axial direction and disposed in a substantially annular shape. The chamber is formed so that a radial width is narrower in a circumferential direction from a joint portion in communication with the suction nozzle to an opposite side across a central axis.
摘要翻译：抽吸壳体包括：吸入嘴，其沿径向从外周侧向内周侧引入流体; 以及室，其具有与外周侧的吸嘴的内部连通的大致环状空间，并且将从吸嘴引入的流体引导到沿轴向开口的入口开口部，并且配置在大致环形。腔室形成为使得径向宽度在从与吸嘴连通的接合部分到中心轴线的相反侧的圆周方向上较窄。

10. 发明授权

US09163642B2 Impeller and rotary machine 有权
标题翻译：叶轮和旋转机
公开(公告)号：US09163642B2
公开(公告)日：2015-10-20
申请号：US13259286
申请日：2010-02-18
申请人： Jo Masutani
发明人： Jo Masutani
IPC分类号： F04D29/68 , F04D29/24 , F04D29/28 , F04D29/30
CPC分类号： F04D29/68 , F04D29/24 , F04D29/281 , F04D29/284 , F04D29/30
摘要： An impeller of a rotary machine, in which a direction of flow is configured to gradually change from an axial direction to a radial direction as the flow goes from an interior in the radial direction of a fluid flow passage to an exterior in the radial direction of the fluid flow passage, includes: a hub surface defining at least a portion of the fluid flow passage; a blade surface defining at least a portion of the fluid flow passage; and a bulge being disposed so as to bulge toward the interior of the fluid flow passage at a corner where the hub surface, which is located at a rear half on an outlet side of the fluid flow passage, is in contact with the blade surface.
摘要翻译：旋转机器的叶轮，其中流动方向被构造成从流体流动通道的径向内部沿轴向方向逐渐变化到径向的径向方向流体流动通道包括：限定流体流动通道的至少一部分的毂表面; 限定所述流体流动通道的至少一部分的叶片表面; 并且凸出部被布置成在位于流体流动通道的出口侧的后半部的轮毂表面与叶片表面接触的角部处朝向流体流动通道的内部隆起。

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