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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：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：US09774223B2
公开(公告)日：2017-09-26
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
CPC分类号： H02K1/278 , H02K1/2766 , H02K1/2786 , H02K21/14
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：US10161684B2
公开(公告)日：2018-12-25
申请号：US15635486
申请日：2017-06-28
发明人： Osamu Kosuda , Osao Kido , Atsuo Okaichi , Takumi Hikichi , Masaaki Konoto , Noriyoshi Nishiyama , Yoshio Tomigashi , Tetsuya Matsuyama
摘要： An air cooling unit is an air cooling unit used in a Rankine cycle system and includes an expander and a condenser. The expander recovers energy from a working fluid by expanding the working fluid. The condenser cools the working fluid using air. The air cooling unit includes a heat-transfer reducer that reduces heat transfer between the expander and an air path.
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公开(公告)号：US09966756B2
公开(公告)日：2018-05-08
申请号：US14723509
申请日：2015-05-28
发明人： Masaaki Konoto , Yoshio Tomigashi , Noriyoshi Nishiyama , Takumi Hikichi , Atsuo Okaichi , Osao Kido
IPC分类号： F01D15/10 , F01K11/00 , F01K13/02 , F01K15/00 , H02H7/06 , H02J3/32 , H02M5/40 , H02P9/04 , H02P9/10 , H02P9/00 , H02J7/14
CPC分类号： H02H7/067 , F01D15/10 , F01K11/00 , F01K13/02 , F01K15/00 , H02J3/32 , H02J7/1415 , H02M5/40 , H02P9/006 , H02P9/04 , H02P9/102
摘要： A thermal power generation apparatus includes a control circuit that selects a single operation mode from among a plurality of modes including a normal mode and a specific mode on the basis of a voltage in a commercial system. The normal mode is an operation mode in which alternating-current power output from an inverter is adjusted so that a direct-current voltage in a direct-current power line follows a target voltage. The specific mode is an operation mode in which direct-current power absorbed by an electric power absorber and/or the amount of heat per unit time supplied to a heat engine are/is adjusted so that the direct-current voltage follows the target voltage.
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公开(公告)号：US09702263B2
公开(公告)日：2017-07-11
申请号：US14635307
申请日：2015-03-02
发明人： Atsuo Okaichi , Osao Kido , Takumi Hikichi , Osamu Kosuda , Noriyoshi Nishiyama , Yoshio Tomigashi , Masaaki Konoto , Subaru Matsumoto , Tetsuya Matsuyama
CPC分类号： F01D17/085 , F01K9/003 , F01K13/02 , F01K25/08 , F05D2210/12 , F05D2220/31 , F05D2270/303 , F22B1/18 , Y02E20/14
摘要： A Rankine cycle device in the present disclosure includes an evaporator as a heater, an expander, a cooler, a first temperature sensor, a second temperature sensor, and a control device. The first temperature sensor detects a temperature of the working fluid flowing from an outlet of the heater to an inlet of the expander in the circuit of the working fluid. The second temperature sensor detects a temperature of the working fluid flowing from an outlet of the expander to an inlet of the cooler. The controller controls a number of rotation of the expander based on a difference between a detected temperature of the first temperature sensor and a detected temperature of the second temperature sensor.
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