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公开(公告)号：US11105536B2
公开(公告)日：2021-08-31
申请号：US16774139
申请日：2020-01-28
Applicant: DENSO CORPORATION
Inventor： Satoshi Suzuki , Yoshiki Kato
Abstract: A combined heat exchanger includes a heat exchange unit having a plurality of plate-like members stacked together. The heat exchange unit includes a heat absorption evaporation unit and an internal heat exchange unit. The heat absorption evaporation unit includes a heat absorption refrigerant passage, and the internal heat exchange unit includes a high pressure refrigerant passage and a low pressure refrigerant passage. The combined heat exchanger has at least one of a high pressure refrigerant outlet port that allows the refrigerant flowing out of the high pressure refrigerant passage to flow out to a cooling refrigerant passage and a low pressure refrigerant inlet port that allows the refrigerant flowing out of the cooling refrigerant passage to flow into the low pressure refrigerant passage.
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公开(公告)号：US10752089B2
公开(公告)日：2020-08-25
申请号：US16082375
申请日：2017-02-13
Applicant: DENSO CORPORATION
Inventor： Keigo Sato , Yoshiki Kato , Masayuki Takeuchi
IPC: B60H1/22 , B60H1/00 , F25B29/00 , B60H1/32 , F28F1/40 , F28F1/02 , F28D1/04 , F25B1/00 , F25B13/00
Abstract: An air conditioner is provided with: a refrigeration cycle including a subcooling heat exchanger that subcools a refrigerant having heat-dissipated in a high-pressure side heat exchanger by exchanging heat with a heat medium; a blower that blows the air to an air passage in an air-conditioning casing; an air cooler disposed in the air passage to cool the air; a heater core disposed on an air flow downstream side of the air cooler in the air passage to heat the air cooled by the air cooler; an auxiliary air heater disposed on the air flow downstream side of the air cooler and on an air flow upstream side of the air heater in the air passage, to heat the air cooled by the air cooler by exchanging heat with the heat medium; and a flow-rate adjustment portion configured to adjust a flow rate of the heat medium circulating between the subcooling heat exchanger and the auxiliary air heater.
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公开(公告)号：US10723199B2
公开(公告)日：2020-07-28
申请号：US15763503
申请日：2016-09-06
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yoshiki Kato , Masayuki Takeuchi , Keigo Sato , Koji Miura , Norihiko Enomoto , Kengo Sugimura , Ariel Marasigan , Ikuo Ozawa , Nobuharu Kakehashi , Yoshikazu Shinpo , Yoichi Onishi , Toshio Murata
Abstract: A vehicular heat management device includes a first heat source, a second heat source, a heater core, a first heat medium pathway, a second heat medium pathway, a heater core pathway, a switching portion, and a control unit. The first heat source is provided in the first heat medium pathway, and the second heat source is provided in the second heat medium pathway. The heater core is provided in the heater core pathway. The switching portion switches between flowing connection and flowing disconnection. The control unit performs at least one of a switching control and a second heat source control when a temperature of the heat medium of the heater core pathway is at or above a predetermined temperature. In the switching control, the switching portion connects the second heat medium pathway to the heater core pathway. In the second heat source control, the second heat source generates heat.
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公开(公告)号：US10562376B2
公开(公告)日：2020-02-18
申请号：US16060083
申请日：2016-10-06
Applicant: DENSO CORPORATION
Inventor： Koji Miura , Yoshiki Kato , Kengo Sugimura
Abstract: A refrigeration cycle device includes: a high-pressure side heat exchanger; a low-pressure side heat exchanger; a vehicle-mounted device that supplies heat to the heat medium; a heat-medium air heat exchanger that exchanges heat between the heat medium and air; a switching portion that switches between a state in which the heat medium circulates through the high-pressure side heat exchanger and a state in which the heat medium circulates through the low-pressure side heat exchanger with respect to each of the vehicle-mounted device and the heat-medium air heat exchanger; and a controller that drives the compressor, while controlling an operation of the switching portion to switch to a defrosting mode in which the heat medium circulates between the low-pressure side heat exchanger and the vehicle-mounted device, and the heat medium circulates between the high-pressure side heat exchanger and the heat-medium air heat exchanger, when defrosting of the heat-medium air heat exchanger is necessary.
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公开(公告)号：US10400662B2
公开(公告)日：2019-09-03
申请号：US15763850
申请日：2016-09-06
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Norihiko Enomoto , Yoshiki Kato , Masayuki Takeuchi , Koji Miura , Keigo Sato , Kengo Sugimura , Nobuharu Kakehashi , Ikuo Ozawa , Ariel Marasigan , Yoshikazu Shinpo , Yoichi Onishi , Toshio Murata
IPC: F01P7/16 , F01P3/20 , F02M26/23 , F01N5/02 , F01P3/18 , F01P5/10 , F01P11/02 , F01P5/12 , F01P7/14 , F02G5/02
Abstract: A vehicular heat management device includes a first heat source, a second heat source, a first heat generator, a second heat generator, a heat generator pathway, a first heat source pathway, a second heat source pathway, and a switching portion. The first heat source and the second heat source heat a heat medium. The first heat generator generates heat according to operation. The second heat generator generates heat according to operation. The first heat generator and the second heat generator are provided in the heat generator pathway. The first heat generator is provided in the first heat generator pathway. The second heat generator is provided in the second heat generator pathway. The switching portion switches between a condition where the heat generator pathway is in flowing communication with the first heat generator pathway and a condition where the heat generator pathway is in flowing communication with the second heat generator pathway.
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Patent Agency Ranking
公开(公告)号：US12049122B2
公开(公告)日：2024-07-30
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
CPC classification number: B60H1/00899 , B60H1/32284 , F25B1/00 , F25B5/02 , B60H1/00278 , B60H2001/00928 , B60H2001/00942
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：US10723203B2
公开(公告)日：2020-07-28
申请号：US16060036
申请日：2016-10-06
Applicant: DENSO CORPORATION
Inventor： Yoshiki Kato , Nobuyuki Hashimura , Koji Miura , Norihiko Enomoto , Kengo Sugimura , Keigo Sato , Masayuki Takeuchi , Ariel Marasigan
Abstract: A refrigeration cycle device includes: a first expansion valve that decompresses a refrigerant flowing out of a high-pressure side heat exchanger; an exterior heat exchanger that exchanges heat between the refrigerant flowing out of the first expansion valve and outside air; a second expansion valve that decompresses the refrigerant flowing out of the exterior heat exchanger; a low-pressure side heat exchanger arranged in series with the exterior heat exchanger; a cooler core that exchanges heat between the heat medium cooled by the low-pressure side heat exchanger and air to be blown into a vehicle interior to cool the air; and a controller configured to switch between a heat absorption mode and a heat dissipation mode by adjusting an amount of decompression in each of the first expansion valve and the second expansion valve.
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公开(公告)号：US10717341B2
公开(公告)日：2020-07-21
申请号：US15757047
申请日：2016-08-25
Applicant: DENSO CORPORATION
Inventor： Kengo Sugimura , Yoshiki Kato , Masayuki Takeuchi , Keigo Sato , Koji Miura , Norihiko Enomoto , Ariel Marasigan , Nobuyuki Hashimura
IPC: B60H1/02 , B60H1/32 , B60H1/06 , F01P7/16 , F01P3/20 , B60H1/00 , F02M26/31 , B60H1/08 , B60H1/18 , B60H1/20 , B60H1/22
Abstract: A vehicular heat management system includes a heat medium circuit, a heat source portion, and a device. A heat medium cooling an engine circulates in the heat medium circuit. The heat source portion heats the heat medium. The device is configured to function and heat the heat medium when the heat medium flowing into the device is at or above a predetermined temperature. When the engine is being warmed up, heat generated by the heat source portion is supplied to the device in preference to the engine. According to this, since the heat generated by the heat source portion is supplied to the device in preference to the engine when the engine is being warmed up, the engine can be warmed up early.
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公开(公告)号：US10420229B2
公开(公告)日：2019-09-17
申请号：US16168274
申请日：2018-10-23
Applicant: DENSO CORPORATION
Inventor： Yoshiki Kato
Abstract: This electronic device includes a metallic casing that accommodates a component and a circuit board in respective spaces separated by a partition wall, and a metallic cover for protecting the circuit board by covering the casing. The cover has a protruding portion protruding toward the accommodating space for accommodating the circuit board, and the casing has a receiving portion to which the protruding portion is fitted at a position corresponding to the protruding portion. The cover has a deformation suppressing portion formed so that a bending rigidity with respect to a bending which is bent with a forming position of the protruding portion as a fulcrum and is directed to a protruding direction of the protruding portion as a fulcrum is greater than a bending rigidity in planar structure in a facing surface opposed to the circuit board.
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公开(公告)号：US11897316B2
公开(公告)日：2024-02-13
申请号：US17343279
申请日：2021-06-09
Applicant: DENSO CORPORATION
Inventor： Naoya Makimoto , Yoshiki Kato
CPC classification number: B60H1/22 , B60H1/3204
Abstract: A refrigeration cycle device includes a high-temperature heating medium regulator and a controller. The high-temperature heating medium regulator regulates a high-temperature heating medium flow ratio between the flow rate of high-temperature heating medium flowing in an air heater and the flow rate of high-temperature heating medium flowing in a radiator. The controller controls the high-temperature heating medium regulator to regulate the high-temperature heating medium flow ratio such that excess heat is radiated to air outside the cabin by the radiator, of the heat radiated from the refrigerant to the high-temperature heating medium by a high-pressure-side heat exchanger, with respect to heat required for heating air blown into a cabin by the air heater to have a target outlet temperature.
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