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公开(公告)号：US20230364969A1
公开(公告)日：2023-11-16
申请号：US18356355
申请日：2023-07-21
Applicant: DENSO CORPORATION
Inventor： Takahiro MAEDA , Shota TERACHI , Kenshiro MATSUI , Takeshi YOSHINORI , Shinya KASAMATSU
CPC classification number: B60H1/00921 , B60H1/00278 , B60H1/143 , B60H2001/00928 , B60H2001/00307
Abstract: A thermal management system includes refrigeration cycle equipment and a heating medium circuit. The heating medium circuit includes a high-temperature-side circuit connecting with the heating medium channel of the high-temperature-side water-refrigerant heat exchange portion, a low-temperature-side circuit connecting with a heating medium channel of a low-temperature-side water-refrigerant heat exchange portion, and a heat transfer portion connecting the high-temperature-side circuit and the low-temperature-side circuit. The low-temperature-side circuit includes a first heat exchange portion, a second heat exchange portion, a heating medium bypass channel, and a low-temperature-side circuit switching portion. While the heat transfer portion is transferring heat, the low-temperature-side circuit switching portion switches a circuit configuration of the low-temperature-side circuit to a circuit configuration that circulates the heating medium between the first heat exchange portion and the heating medium bypass channel.
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公开(公告)号：US20230016470A1
公开(公告)日：2023-01-19
申请号：US17953415
申请日：2022-09-27
Applicant: DENSO CORPORATION
Inventor： Kouji MIURA , Yoshiki KATOH , Masamichi MAKIHARA , Atsushi YAMADA , Kenta KAYANO , Hiroaki KAWANO , Tooru OKAMURA , Naoya MAKIMOTO , Takahiro MAEDA
IPC: H01M10/63 , H01M10/0525 , H01M10/615 , H01M10/625 , H01M10/6563 , H01M10/613 , H01M10/6568 , H01M10/48
Abstract: A battery temperature control device includes a heating medium circuit that connects a battery heat exchanger, an outside air heat exchanger, a heating medium pump, and a flow rate regulating unit. The outside air heat exchanger is connected in parallel to the battery heat exchanger. The flow rate regulating unit adjusts a flow rate of the heating medium in a first path through which the heating medium flows via at least the outside air heat exchanger and a flow rate of the heating medium in a second path through which the heating medium flows by detouring around the outside air heat exchanger. The control unit controls the flow rate regulating unit to adjust a ratio between a flow rate of the heating medium in the first path and a flow rate of the heating medium in the second path.
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公开(公告)号：US20250042225A1
公开(公告)日：2025-02-06
申请号：US18924377
申请日：2024-10-23
Applicant: DENSO CORPORATION
Inventor： Yuki SUGIYAMA , Takahiro MAEDA , Atsushi YAMADA , Satoshi SUZUKI , Masayuki TAKEUCHI , Masaki UCHIYAMA
IPC: B60H1/32
Abstract: A compressor module includes: an evaporator configured to evaporate a refrigerant of a vapor compression refrigeration cycle; a liquid storage configured to store the refrigerant in a liquid phase; a compressor configured to suction and compress the refrigerant; and a flow passage forming member to which the evaporator, the liquid storage and the compressor are installed. The flow passage forming member forms at least a portion of a flow passage of the refrigerant. The compressor is positioned on a lower side of the flow passage forming member, and the flow passage of the refrigerant includes a suction-side refrigerant flow passage, through which the refrigerant in a gas-phase to be suctioned into the compressor flows. The suction-side refrigerant flow passage has a rising portion that rises upward as the rising portion approaches the compressor.
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公开(公告)号：US20240190213A1
公开(公告)日：2024-06-13
申请号：US18585232
申请日：2024-02-23
Applicant: DENSO CORPORATION
Inventor： Kosuke SHIRATORI , Satoshi SUZUKI , Takahiro MAEDA , Satoshi NITA
IPC: B60H1/00
CPC classification number: B60H1/00907
Abstract: In a thermal management system, a low-temperature side heat medium circuit includes a first circuit, a second circuit, a coupling part, and a flow rate adjustment part. The first circuit includes a first heat exchange unit, and is configured such that a heat medium can circulate via a chiller and the first heat exchange unit. The second circuit includes a second heat exchange unit, and is configured such that the heat medium can circulate via the second heat exchange unit and a heat medium pump. A controller controls an operation of the flow rate adjustment part and adjusts the flow rate of the heat medium in the coupling part, so as to make a temperature zone of the heat medium flowing through the first circuit and a temperature zone of the heat medium flowing through the second circuit have respective determined values.
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公开(公告)号：US20220088996A1
公开(公告)日：2022-03-24
申请号：US17643075
申请日：2021-12-07
Applicant: DENSO CORPORATION
Inventor： Tooru OKAMURA , Yoshiki KATOH , Masamichi MAKIHARA , Kuniyoshi TANIOKA , Takahiro MAEDA
Abstract: In a refrigeration cycle device, a heat supply unit is disposed in parallel with a heat utilization unit in a flow of a heat medium. A branching part branches the heat medium flowing out of a heat radiator into a flow flowing toward the heat utilization unit and a flow flowing toward the heat supply unit. A merging part is configured to cause the heat medium having passed through the heat utilization unit and the heat medium having passed through the heat supply unit to merge together and to flow toward the heat radiator. A switching unit switches an operation state between a first state in which the heat medium circulates between the heat radiator and the heat utilization unit, and a second state in which the heat medium circulates between the heat radiator, the heat utilization unit and the heat supply unit.
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Patent Agency Ranking
公开(公告)号：US20220032732A1
公开(公告)日：2022-02-03
申请号：US17501447
申请日：2021-10-14
Applicant: DENSO CORPORATION
Inventor： Masamichi MAKIHARA , Yoshiki KATOH , Takahiro MAEDA , Kuniyoshi TANIOKA , Naoki YOKOYAMA
IPC: B60H1/00 , B60L58/27 , H01M10/625 , H01M10/615 , H01M10/6562 , H01M10/6568 , H01M10/6569 , H01M10/6556 , H01M10/66
Abstract: A battery heating device includes: a radiator and a heater core arranged in parallel with each other; a battery temperature adjusting unit for heating a battery with a heat medium; a first branch branching the heat medium between the radiator and the heater core; a first confluence where the heat medium merges; a second branch where the heat medium from a heat emitter is branched to the battery temperature adjustment unit; a second confluence where the heat medium flowing through the battery temperature adjustment unit merges; and a radiator flow rate reducing part arranged in a passage for the heat medium from the first branch or the second branch closer to the radiator to the first confluence or the second confluence closer to the radiator via the radiator.
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公开(公告)号：US20220009309A1
公开(公告)日：2022-01-13
申请号：US17484538
申请日：2021-09-24
Applicant: DENSO CORPORATION
Inventor： Koji MIURA , Hiroaki KAWANO , Motohiro YAMAGUCHI , Kazuya TANIGUCHI , Yoshiki KATO , Masamichi MAKIHARA , Takahiro MAEDA , Kuniyoshi TANIOKA , Toru OKAMURA , Naoya MAKIMOTO
IPC: B60H1/00
Abstract: A refrigeration cycle device includes a heat pump cycle, a high-temperature heat medium circuit, and a low-temperature heat medium circuit. The low-temperature heat medium circuit includes a plurality of heat absorption devices configured to have a heat absorption amount to be absorbed by the low-temperature heat medium flowing out of a low-temperature heat medium-refrigerant heat exchanger, and a heat absorption adjusting unit configured to change the heat absorption amount of the low-temperature heat medium in the respective heat absorption devices. In the refrigeration cycle device, a flow amount of the refrigerant flowing into the low-temperature heat medium-refrigerant heat exchanger is reduced when the heat absorption adjusting unit changes the heat absorption amount of the low-temperature heat medium in the respective heat absorption devices, and the flow amount of the refrigerant flowing into the low-temperature heat medium-refrigerant heat exchanger is increased when a recovery condition is satisfied.
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公开(公告)号：US20210316594A1
公开(公告)日：2021-10-14
申请号：US17354591
申请日：2021-06-22
Applicant: DENSO CORPORATION
Inventor： Hiroaki KAWANO , Yoshiki KATO , Masamichi MAKIHARA , Takahiro MAEDA , Kuniyoshi TANIOKA , Toru OKAMURA , Naoya MAKIMOTO
Abstract: A vehicular air conditioner includes a refrigeration cycle system, a high-temperature heat medium circuit, and a low-temperature heat medium circuit. The high-temperature heat medium circuit includes an air-heat medium heat exchanger, a heater core, a branching portion, a common passage, a flow rate adjuster, and an auxiliary heat source. The air-heat medium heat exchanger exchanges heat between the heat medium and an outside air. The heater core is arranged parallel to the air-heat medium heat exchanger and causes the heat medium to transfer heat to a ventilation air. The branching portion divides a flow of the heat medium into a flow toward the air-heat medium heat exchanger and a flow toward the heater core. The auxiliary heat source is arranged in the common passage at a position upstream of the branching portion.
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公开(公告)号：US20220034562A1
公开(公告)日：2022-02-03
申请号：US17501402
申请日：2021-10-14
Applicant: DENSO CORPORATION
Inventor： Masamichi MAKIHARA , Yoshiki KATOH , Takahiro MAEDA , Kuniyoshi TANIOKA , Akira HIGUCHI , Takehito MIZUNUMA , Takuya HAMADA
Abstract: A fluid circulation circuit includes a flow passage switching valve. The flow passage switching valve includes a body and a switcher. The body includes a first inlet, a second inlet, and outlets including a first outlet. The switcher is capable of switching a passage configuration to a state in which a fluid that has flowed in from the first inlet flows out of either one of the outlets and a state in which the fluid that has flowed in from the second inlet flows out of either one of the outlets.
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公开(公告)号：US20220011006A1
公开(公告)日：2022-01-13
申请号：US17484513
申请日：2021-09-24
Applicant: DENSO CORPORATION
Inventor： Koji MIURA , Hiroaki KAWANO , Motohiro YAMAGUCHI , Kazuya TANIGUCHI , Yoshiki KATO , Masamichi MAKIHARA , Takahiro MAEDA , Kuniyoshi TANIOKA , Toru OKAMURA , Naoya MAKIMOTO , Atsushi YAMADA , Kenta KAYANO
Abstract: An air conditioner includes a heat pump cycle, a heating unit, a low-temperature side heat medium circuit, and a heat dissipation amount adjustment control unit. The heat pump cycle has a compressor, a condenser, a decompression unit, and an evaporator. The heating unit has a heating heat exchanger, an outside air radiator, and a heat dissipation amount adjustment unit. The low-temperature side heat medium circuit has a heat generation device. The heat dissipation amount adjustment control unit controls the heat dissipation amount adjustment unit to adjust a heat dissipation amount in the outside air radiator such that a blown air temperature of the blown air heated by the heating heat exchanger approaches a predetermined target temperature.
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