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公开(公告)号：US10364708B2
公开(公告)日：2019-07-30
申请号：US14732195
申请日：2015-06-05
发明人： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Masaya Honma , Masanobu Wada , Osamu Kosuda
摘要： A Rankine cycle apparatus includes a pump, an evaporator, an expander, a condenser, and an internal heat exchanger. The internal heat exchanger allows heat exchange to take place between a working fluid discharged from the expander and a working fluid discharged from the pump. A temperature of the working fluid at an inlet of the expander is set so that a temperature of the working fluid at an outlet of the expander be higher than a saturation temperature on a high-pressure side of the cycle.
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公开(公告)号：US09638066B2
公开(公告)日：2017-05-02
申请号：US14792272
申请日：2015-07-06
发明人： Masaya Honma , Atsuo Okaichi , Osao Kido , Takumi Hikichi , Masanobu Wada , Osamu Kosuda
CPC分类号： F01K17/02 , F01K7/16 , F01K15/00 , F22B1/1869 , F22B21/24 , F28D7/0075 , Y02E20/14
摘要： A Rankine cycle apparatus includes a pump, an evaporator, an expander, and a condenser. The evaporator has a plurality of heat transfer tubes arranged in rows in a flow direction of a high-temperature fluid to be heat-exchanged with a working fluid. The heat transfer tube located in a most upstream row in the flow direction of the high-temperature fluid is defined as a most upstream heat transfer tube. For example, the most upstream heat transfer tube forms an inlet of the evaporator so that the working fluid flows into the evaporator through the inlet and first passes through the most upstream heat transfer tube.
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公开(公告)号：US20150107252A1
公开(公告)日：2015-04-23
申请号：US14395694
申请日：2014-01-08
发明人： Atsuo Okaichi , Osao Kido , Takumi Hikichi , Osamu Kosuda , Masaya Honma , Masanobu Wada
摘要： A Rankine cycle apparatus (1A) of the present disclosure includes a main circuit (10), a heat exchange portion (HX), a bypass flow path (20), a flow rate-adjusting mechanism (3), and a pair of temperature sensors (7A). The main circuit (10) is formed by an expander (11), a condenser (13), a pump (14), and an evaporator (15) that are circularly connected in this order. The heat exchange portion (HX) is located in the main circuit (10) at a position between an outlet of the expander (11) and an inlet of the pump (14). The bypass flow path (20) branches from the main circuit (10) at a position between an outlet of the evaporator (15) and an inlet of the expander (11), and joins to the main circuit (10) at a position between the outlet of the expander (11) and an inlet of the heat exchange portion (HX). The flow rate-adjusting mechanism (3) adjusts the flow rate of the working fluid in the bypass flow path (20). The pair of temperature sensors (7A) detects temperatures of the working fluid at two positions spaced from each other in a flow direction of the working fluid.
摘要翻译： 本公开的兰金循环装置（1A）包括主电路（10），热交换部（HX），旁通流路（20），流量调节机构（3），以及一对温度 传感器（7A）。 主回路（10）由依次循环连接的膨胀机（11），冷凝器（13），泵（14）和蒸发器（15）构成。 热交换部（HX）位于主回路（10）的膨胀机（11）的出口与泵（14）的入口之间的位置。 旁通流路20在蒸发器15的出口与膨胀机11的入口之间的位置处从主回路10分支，并在主回路10之间的位置连接。 膨胀机（11）的出口和热交换部分（HX）的入口。 流量调节机构（3）调节旁通流路（20）中的工作流体的流量。 一对温度传感器（7A）检测在工作流体的流动方向上彼此间隔的两个位置处的工作流体的温度。
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公开(公告)号：US12092154B2
公开(公告)日：2024-09-17
申请号：US17800812
申请日：2020-12-15
发明人： Hidetoshi Taguchi , Takumi Hikichi
CPC分类号： F16C17/024 , F16C27/063 , F16C35/02
摘要： A bearing structure (100) of the present disclosure includes: a rotating shaft (11); a dynamic bearing (12) including a foil (22) and a foil holder (21), the foil (22) being disposed around the rotating shaft (11) to constitute a bearing surface, the foil holder (21) holding the foil (22); a bearing support member (13) disposed around the dynamic bearing (12) to support the dynamic bearing (12); and at least one elastic body (14) disposed between the bearing support member (13) and the foil holder (21).
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公开(公告)号：US09891003B2
公开(公告)日：2018-02-13
申请号：US14936174
申请日：2015-11-09
发明人： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Osamu Kosuda
CPC分类号： F28D7/0008 , F01K25/08 , F22B1/18 , F28F27/00 , Y02E20/14
摘要： A CHP system includes a combustor as a heat source, a Rankine cycle apparatus, a second heat exchanger, and a thermal fluid flow path. The Rankine cycle apparatus includes, as an evaporator, a first heat exchanger that absorbs thermal energy from combustion gas (thermal fluid). The second heat exchanger absorbs thermal energy from the combustion gas and transfers the thermal energy to a heat medium. The first heat exchanger and the second heat exchanger are disposed in the thermal fluid flow path. The thermal fluid flow path includes a first flow path that allows the combustion gas to reach the first heat exchanger directly from the combustor and a second flow path that allows the combustion gas to reach the second heat exchanger directly from the combustor.
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公开(公告)号：US09964000B2
公开(公告)日：2018-05-08
申请号：US14675874
申请日：2015-04-01
发明人： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Noriyoshi Nishiyama , Yoshio Tomigashi , Masaaki Konoto , Osamu Kosuda , Subaru Matsumoto , Tetsuya Matsuyama
摘要： A combined heat and power system according the present disclosure includes a Rankine cycle apparatus including an evaporator that heats a working fluid by heat exchange between the working fluid and a heat source medium, an expansion machine that converts expansion power of the working fluid into rotational power, and a condenser that cools the working fluid by heat exchange between the working fluid and a heat medium, and a thermal circuit for using the heat medium heated by the condenser. An expansion volume ratio of the expansion machine is equal to or less than an expansion ratio in a theoretical Rankine cycle determined based on a state of a temperature and a pressure of the working fluid at a discharge port of the expansion machine and a state of a temperature and a pressure of the working fluid at a suction port of the expansion machine.
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公开(公告)号：US09869208B2
公开(公告)日：2018-01-16
申请号：US14730284
申请日：2015-06-04
发明人： Osamu Kosuda , Atsuo Okaichi , Osao Kido , Takumi Hikichi , Takahiro Nakamura
IPC分类号： F01K13/02 , F22B21/24 , F22B1/16 , F01K25/08 , F22B21/26 , F22B37/10 , F01K7/16 , F01K9/00 , F01K13/00 , F01K15/00 , F01K17/02
CPC分类号： F01K13/02 , F01K7/16 , F01K9/003 , F01K13/003 , F01K15/00 , F01K17/02 , F01K25/08 , F22B1/16 , F22B21/24 , F22B21/26 , F22B37/103 , Y02E20/14
摘要： An evaporator which heats working fluid with high-temperature fluid to evaporate the working fluid includes: a working fluid channel which is arranged in a flow direction of the high temperature fluid and through which the working fluid flows; and a temperature sensor which is provided for the working fluid channel. A part of the working fluid channel is exposed to outside of a housing of the evaporator, and the temperature sensor is provided in the part of the working fluid channel exposed to the outside of the housing of the evaporator in a region other than an inlet of the working fluid channel into which the working fluid flows from the outside of the evaporator and other than an outlet of the working fluid channel through which the working fluid flows out of the evaporator. The output value of the temperature sensor is used to adjust the temperature of the working fluid in the evaporator.
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公开(公告)号：US09735635B2
公开(公告)日：2017-08-15
申请号：US14556165
申请日：2014-11-30
发明人： Noriyoshi Nishiyama , Osao Kido , Atsuo Okaichi , Takumi Hikichi , Yoshio Tomigashi , Tetsuya Matsuyama , Masaaki Konoto , Osamu Kosuda , Subaru Matsumoto
摘要： A permanent magnet synchronous machine includes a rotor including a core body and an overhang protruding further in an axial direction than a core of a stator. An end surface of the core body includes an N-region disposed on a north pole and an S-region disposed on a south pole. The overhang includes first permanent magnets arranged along an outer edge of the end surface with distances therebetween and a plurality of second permanent magnets disposed on the end surface and adjacent to the first permanent magnets. The first permanent magnets include at least one of a permanent magnet comprising a north pole facing the N-region and a permanent magnet comprising a south pole facing the S-region. The second permanent magnets are provided in the configuration which causes the second permanent magnets to generate a magnetic flux extending from the S-region toward the N-region.
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公开(公告)号：US09732634B2
公开(公告)日：2017-08-15
申请号：US14657185
申请日：2015-03-13
发明人： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Osamu Kosuda
IPC分类号： F01K7/16 , F01K25/08 , F01C1/02 , F01C21/06 , F01C21/18 , F01K9/00 , F01K13/00 , F01D15/10 , F01K15/00 , F01C11/00
CPC分类号： F01K7/16 , F01C1/0215 , F01C11/00 , F01C11/008 , F01C21/06 , F01C21/18 , F01D15/10 , F01K9/00 , F01K13/006 , F01K15/00 , F01K25/08
摘要： To improve the reliability of the Rankine cycle device using a sealed-type expansion machine, the Rankine cycle device 100 according to the present disclosure comprises a pump 1, a heater 2, an expansion machine 3, a radiator 5, and a cooling path 8. The expansion machine 3 comprises an expansion mechanism 11 for extracting a power from the working fluid, an electric power generator 12, a sealed container 10 containing the expansion mechanism 11 and the electric power generator 12, a first inlet 34a, a first outlet 35a, a second inlet 30a, and a second outlet 31a. The radiator 5 is connected to the pump 1 with a flow path to cool the working fluid drained from the second outlet 31a. The cooling path 8 which connects the first outlet 35a to the second outlet 30a has a cooler 4 to cool the working fluid drained from the first outlet 35a.
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公开(公告)号：US09512841B2
公开(公告)日：2016-12-06
申请号：US14358996
申请日：2012-11-14
发明人： Takeshi Ogata , Yu Shiotani , Takumi Hikichi , Kentaro Shii , Tadayoshi Shoyama , Masanobu Wada , Hiroshi Hasegawa , Hirofumi Yoshida , Hiroaki Nakai , Akira Hiwata , Daisuke Funakosi , Ryuichi Ohno , Tsuyoshi Karino
IPC分类号： F03C2/00 , F03C4/00 , F04C2/00 , F04C29/04 , F04C29/02 , F04C18/356 , F01C21/10 , F04C29/12 , F04C23/00
CPC分类号： F04C29/04 , F01C21/10 , F04C18/356 , F04C23/001 , F04C23/008 , F04C29/028 , F04C29/126 , F04C2240/50 , F04C2240/809
摘要： A rotary compressor (100) includes a closed casing (1), a cylinder (15), a piston (28), a lower bearing member (72), a vane (33), a suction port (20), a discharge port (41), and a partition member (64). The partition member (64) is attached to the lower bearing member (72) so as to form a space enclosed by the partition member (64) and the lower bearing member (72) at a position adjacent to the lower bearing member (72). A portion of an oil stored in the oil reservoir (22) flows into the enclosed space, and thereby an oil retaining portion (53) is formed. The oil retaining portion (53) is located on the same side as the suction port (20) with respect to a reference plane (H1).
摘要翻译： 一种旋转式压缩机（100）包括一个封闭的壳体（1），一个气缸（15），一个活塞（28），一个下轴承件（72），一个叶片（33），一个吸入口（20） （41）和分隔构件（64）。 分隔构件64被安装在下轴承构件72上，以便在与下轴承构件72相邻的位置处形成由分隔构件64和下轴承构件72包围的空间。 。 存储在贮油器（22）中的油的一部分流入封闭空间，从而形成油保持部（53）。 油保持部53相对于基准面（H1）位于与吸入口20相同的一侧。
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