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1.发明授权公开(公告)号：US09850783B2
公开(公告)日：2017-12-26
申请号：US14661731
申请日：2015-03-18
发明人： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Yoshio Tomigashi
IPC分类号： F04C2/10 , F04C15/06 , F04D29/66 , F01K7/00 , F04C15/00 , F04C13/00 , F04D1/00 , F04D13/06 , F04D13/16 , F04D9/00
CPC分类号： F01K7/00 , F04C2/10 , F04C13/007 , F04C15/008 , F04C15/06 , F04D1/00 , F04D9/003 , F04D13/06 , F04D13/16 , F04D29/669
摘要： A liquid pump includes: a casing; a feed pipe bringing liquid from outside the casing to inside the casing; a pump mechanism provided in the casing and including a suction hole for sucking in the liquid and a discharge hole for discharging the liquid sucked in via the suction hole; a suction space positioned in the casing on a suction-hole inlet side and making a flow path formed by the feed pipe and the suction hole communicate with each other; and a discharge space positioned on a discharge-hole outlet side in the casing and communicating with the discharge hole. The suction space includes a gas accumulation area that is positioned above a center of an opening at casing-side end of the feed pipe, when viewed vertically and that accumulates gas brought into the casing through the feed pipe together with the liquid to separate the gas from the liquid.
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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：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：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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