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公开(公告)号：US09863280B2
公开(公告)日：2018-01-09
申请号：US14886997
申请日：2015-10-19
Inventor： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Osamu Kosuda
CPC classification number: F01K3/205 , F01K9/003 , F01K25/08 , F22B1/18 , F22B21/24 , F22B21/26 , F22B37/101 , F24H1/145 , Y02E20/14
Abstract: A CHP system includes a combustor (heat source), a Rankine cycle apparatus, and a second heat exchanger. The Rankine cycle apparatus includes, as an evaporator, a first heat exchanger that absorbs thermal energy produced in the combustor. The second heat exchanger is located closer to the combustor than is the evaporator, absorbs thermal energy produced in the combustor, and transfers the thermal energy to a heat medium.
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12.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
Inventor： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Yoshio Tomigashi
IPC: F04C2/10 , F04C15/06 , F04D29/66 , F01K7/00 , F04C15/00 , F04C13/00 , F04D1/00 , F04D13/06 , F04D13/16 , F04D9/00
CPC classification number: F01K7/00 , F04C2/10 , F04C13/007 , F04C15/008 , F04C15/06 , F04D1/00 , F04D9/003 , F04D13/06 , F04D13/16 , F04D29/669
Abstract: 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
Inventor： Noriyoshi Nishiyama , Osao Kido , Atsuo Okaichi , Takumi Hikichi , Yoshio Tomigashi , Tetsuya Matsuyama , Masaaki Konoto , Osamu Kosuda , Subaru Matsumoto
CPC classification number: H02K1/278 , H02K1/2766 , H02K1/2786 , H02K21/14
Abstract: 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：US09714586B2
公开(公告)日：2017-07-25
申请号：US14731044
申请日：2015-06-04
Inventor： Takumi Hikichi , Osao Kido , Atsuo Okaichi , Masaya Honma , Osamu Kosuda , Masanobu Wada
CPC classification number: F01K25/10 , F01K13/02 , F01K15/00 , F01K25/08 , F22B1/18 , F22B37/102 , Y02E20/14
Abstract: A CHP system includes a combustor (heat source), a Rankine cycle apparatus, and a second heat exchanger. The Rankine cycle apparatus includes, as an evaporator, a first heat exchanger that absorbs thermal energy produced in the combustor. The second heat exchanger is located farther from the combustor than is the evaporator, is in direct contact with the evaporator or in indirect contact with the evaporator via a thermally-conductive member, absorbs thermal energy produced in the combustor, and transfers the thermal energy to a heat medium.
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公开(公告)号：US11143238B2
公开(公告)日：2021-10-12
申请号：US16044428
申请日：2018-07-24
Inventor： Hidetoshi Taguchi , Masaya Honma , Osao Kido , Yoshitsugu Nishiyama
Abstract: A first thrust bearing includes a first electromagnet and a first member. A second thrust bearing includes a second electromagnet and a second member. A magnetic force generated by the first electromagnet and the second electromagnet, and dynamic gas pressure generated by the first member and the second member due to rotation of a rotating shaft support an axial load of the rotating shaft.
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Patent Agency Ranking
公开(公告)号：US10767513B2
公开(公告)日：2020-09-08
申请号：US14929412
申请日：2015-11-02
Inventor： Subaru Matsumoto , Osao Kido , Atsuo Okaichi , Takumi Hikichi , Osamu Kosuda , Noriyoshi Nishiyama
Abstract: A thermal electric power generator includes an evaporator, an expander, an electric generator, a condenser, and a pump. A working fluid used in the thermal electric power generator is an organic working fluid. The evaporator includes a heat exchanger, a bypass channel, and a flow rate adjustment mechanism. The bypass channel allows a heat medium to bypass the heat exchanger. The flow rate adjustment mechanism adjusts a flow rate of the heat medium to be supplied to the heat exchanger and a flow rate of the heat medium to be supplied to the bypass channel.
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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
Inventor： Osamu Kosuda , Osao Kido , Atsuo Okaichi , Takumi Hikichi , Masaaki Konoto , Noriyoshi Nishiyama , Yoshio Tomigashi , Tetsuya Matsuyama
Abstract: 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
Inventor： Masaaki Konoto , Yoshio Tomigashi , Noriyoshi Nishiyama , Takumi Hikichi , Atsuo Okaichi , Osao Kido
IPC: F01D15/10 , F01K11/00 , F01K13/02 , F01K15/00 , H02H7/06 , H02J3/32 , H02M5/40 , H02P9/04 , H02P9/10 , H02P9/00 , H02J7/14
CPC classification number: H02H7/067 , F01D15/10 , F01K11/00 , F01K13/02 , F01K15/00 , H02J3/32 , H02J7/1415 , H02M5/40 , H02P9/006 , H02P9/04 , H02P9/102
Abstract: 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：US09927116B2
公开(公告)日：2018-03-27
申请号：US14521240
申请日：2014-10-22
Inventor： Atsuo Okaichi , Osao Kido , Takumi Hikichi , Osamu Kosuda
IPC: F22B1/18 , F01K11/02 , F01K7/38 , F01L13/02 , F01K25/08 , F01K23/06 , F01K17/02 , F01K25/10 , F01K13/00 , F01K9/00 , F01K23/10 , F01K13/02
CPC classification number: F22B1/18 , F01K7/38 , F01K9/003 , F01K11/02 , F01K13/00 , F01K13/02 , F01K17/02 , F01K23/065 , F01K23/10 , F01K25/08 , F01K25/10 , Y02E10/46 , Y02E20/12 , Y02E20/14 , Y02P80/152 , Y02T10/16 , Y02T10/166
Abstract: An exhaust heat recovery apparatus includes an exhaust heat passage through which a first heat medium holding exhaust heat flows; a second heat medium passage through which the second heat medium, of which temperature is lower than that of the first heat medium, flows; a Rankine cycle which includes a pump, an evaporator, an expander, and a condenser and causes heat exchange at the evaporator between the first heat medium flowing through the exhaust heat passage and a working fluid, so that the working fluid is evaporated, the evaporated working fluid expands at the expander, and power is generated; and an exhaust heat recovery heat exchanger which causes heat exchange between the first heat medium flowing through the exhaust heat passage and the second heat medium flowing through the second heat medium passage, so that the second heat medium is heated and exhaust heat of the first heat medium is recovered.
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公开(公告)号：US09714581B2
公开(公告)日：2017-07-25
申请号：US14395694
申请日：2014-01-08
Inventor： Atsuo Okaichi , Osao Kido , Takumi Hikichi , Osamu Kosuda , Masaya Honma , Masanobu Wada
Abstract: 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.
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