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公开(公告)号：US12103359B2
公开(公告)日：2024-10-01
申请号：US17739324
申请日：2022-05-09
CPC分类号： B60H1/00899 , B60H1/00271 , B60H1/00485 , B60H1/00885 , B60K1/04 , B60K11/02 , B60L1/003 , B60L1/02 , B60L58/26 , B60K2001/003 , B60K2001/005 , B60K2001/006 , B60L2240/545
摘要： A thermal management system includes a first cooler that cools a first heat source, a first circulation path that connects the first cooler and a first pump, a second cooler that cools a second heat source, a second circulation path that connects the second cooler and a second pump, a changeover valve, and a controller. The changeover valve is switchable between first and second valve positions. The first and second circulation paths are separated from each other when the changeover valve is in the first valve position. The controller causes both the first and second pumps to operate when the temperature difference between refrigerants in the first and second circulation paths is more than a predetermined temperature difference threshold when the changeover valve is set to the first valve position and one of the first and second pumps is operating and the other is not operating.
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公开(公告)号：US11745561B2
公开(公告)日：2023-09-05
申请号：US17210204
申请日：2021-03-23
发明人： Yoshio Hasegawa , Hiroki Tashiro , Makoto Ikegami
CPC分类号： B60H1/00899 , B60H1/04 , B60H1/32281 , B60H2001/00928
摘要： A heat management device may include: a heat circuit comprising a heat exchanger passage, a radiator passage communicating with the heat exchanger passage, and a battery passage communicating with the heat exchanger passage by bypassing the radiator passage; a heat exchanger cooling heat medium by heat exchange; a radiator exchanging heat between outside air and the heat medium in the radiator passage; a control valve changing a channel of the heat medium in the heat circuit; a pump pumping out the heat medium in the heat circuit from the heat exchanger passage to the battery passage and from the heat exchanger passage to the radiator passage; and a controller. The controller may execute: a heating operation for heating the heat medium in the battery passage by a battery; and a circulation operation for cooling the heat medium in the radiator passage by the radiator.
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公开(公告)号：US20220371404A1
公开(公告)日：2022-11-24
申请号：US17729705
申请日：2022-04-26
摘要： A thermal management system includes a circulation channel that connects a motor cooler, outside air heat exchanger, and a heater, a switching valve, and a controller. In a heating mode of operating the heater, the controller sets the switching valve in the first valve position when the motor temperature is lower than a motor temperature threshold value, and sets the switching valve in the second valve position when the motor temperature is higher than the motor temperature threshold value. When a load or a load predicted value of the motor exceeds a load threshold value, the controller holds the switching valve in the second valve position during a predetermined holding time.
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公开(公告)号：US11648822B2
公开(公告)日：2023-05-16
申请号：US17210074
申请日：2021-03-23
发明人： Yoshio Hasegawa , Hiroki Tashiro , Makoto Ikegami
CPC分类号： B60H1/3227 , B60H1/00428
摘要： A heat management device may include: a first heat circuit in which first heat medium circulates; a second heat circuit in which second heat medium circulates; a first radiator disposed in the first heat circuit; a second radiator disposed in the second heat circuit; and vehicle equipment exchanging heat with the first heat medium. The first and the second radiator may be disposed such that the first heat medium and the second heat medium are able to exchange heat with each other, the first heat medium may be heated by heat exchange between the first and the second heat medium in a case where a temperature of the second heat medium flowing into the second radiator is higher than a temperature of the first heat medium flowing into the first radiator, and the first heat medium heats the vehicle equipment by exchanging heat with the vehicle equipment.
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公开(公告)号：US11541726B2
公开(公告)日：2023-01-03
申请号：US17227384
申请日：2021-04-12
发明人： Manabu Orihashi , Yoshio Hasegawa , Masaki Suzuki
摘要： The disclosure herein provides a heat management system for a vehicle, comprising: a first heat circuit in which first heat medium flows; a second heat circuit in which second heat medium flows; and a main heat exchanger configured to transfer heat from the second heat medium to the first heat medium. The first heat circuit comprises: a compressor; a cabin heater; a first air heat exchanger; an evaporator; a first bypass channel configured to allow the first heat medium to bypass the main heat exchanger; and a first switching valve by which one of the main heat exchanger and the evaporator is selected as a flow destination of the first heat medium flowing out from the first air heat exchanger. A single heat circuit (the first heat circuit) can achieve both heating and cooling of the air in the cabin.
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公开(公告)号：US11407281B2
公开(公告)日：2022-08-09
申请号：US17182887
申请日：2021-02-23
发明人： Kohji Kinoshita , Shoma Hanano , Yoshio Hasegawa , Manabu Orihashi , Hideyuki Kawai , Kenichi Kubota , Makoto Ikegami , Yuuki Kimura
摘要： A heat management device may include: a first heat circuit; a second heat circuit; a heat exchanger configured to cool the first heat circuit and heat the second heat circuit; air-heating apparatus configured to heat air using the second heat circuit; a battery and electrical apparatus configured to be cooled by the first heat circuit; and a radiator configured to exchange heat between the first heat circuit and outside air. A controller may be configured, in the second process, to cause the heat exchanger to cool the heat exchanger passage while a heat medium circulates in the heat exchanger passage and the battery passage and bypasses the radiator passage. The controller may be configured, in the third process, to cause the radiator to cool the heat medium while the heat medium circulates in the radiator passage and the electrical apparatus passage and bypasses the heat exchanger passage.
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公开(公告)号：US11897315B2
公开(公告)日：2024-02-13
申请号：US17729705
申请日：2022-04-26
CPC分类号： B60H1/143 , B60H1/00385 , B60H1/00899 , B60H2001/00307
摘要： A thermal management system includes a circulation channel that connects a motor cooler, outside air heat exchanger, and a heater, a switching valve, and a controller. In a heating mode of operating the heater, the controller sets the switching valve in the first valve position when the motor temperature is lower than a motor temperature threshold value, and sets the switching valve in the second valve position when the motor temperature is higher than the motor temperature threshold value. When a load or a load predicted value of the motor exceeds a load threshold value, the controller holds the switching valve in the second valve position during a predetermined holding time.
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公开(公告)号：US11649746B2
公开(公告)日：2023-05-16
申请号：US17197030
申请日：2021-03-10
CPC分类号： F01M5/002 , B60H1/22 , B60H2001/2271
摘要： A heat management system disclosed herein is used for an electric vehicle. The heat management system may include an oil cooler, an oil pump, a converter cooler, a first heat exchanger, a second heat exchanger, a first channel, a second channel, a channel valve, a bypass channel, and a controller. The channel valve may be configured to select a first valve position and a second valve position. The bypass channel may be configured to allow the first heat medium to bypass the first heat exchanger and circulate between the oil cooler and the converter cooler when the second valve position is selected. The controller may be configured to control the channel valve such that the channel valve selects the first valve position and activate the oil pump in response to the temperature of the first heat medium in the first channel becoming higher than a predetermined upper limit temperature.
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公开(公告)号：US11554635B2
公开(公告)日：2023-01-17
申请号：US17182931
申请日：2021-02-23
发明人： Kohji Kinoshita , Shoma Hanano , Yoshio Hasegawa , Manabu Orihashi , Kenichi Kubota , Hideyuki Kawai , Makoto Ikegami , Yuuki Kimura
IPC分类号： B60H1/00
摘要： A heat circuit may include a controller configured to execute a first process and then a defrosting operation. The first process may be a process to execute a first air-heating operation and a heat storage operation simultaneously. The second process may be a process to execute a defrosting operation. The controller may be configured, in the first air-heating operation, to cause the radiator to heat a radiator passage and cause the air-heating apparatus to heat air using heat of a air-heating passage while circulating the heat medium in the radiator passage and the air-heating passage. The controller may be configured, in the heat storage operation, to circulate the heat medium in an electrical apparatus passage and a bypass passage. The controller may be configured, in the defrosting operation, to circulate the heat medium in the electrical apparatus passage and the radiator passage.
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公开(公告)号：US20220396123A1
公开(公告)日：2022-12-15
申请号：US17739324
申请日：2022-05-09
摘要： A thermal management system includes a first cooler that cools a first heat source, a first circulation path that connects the first cooler and a first pump, a second cooler that cools a second heat source, a second circulation path that connects the second cooler and a second pump, a changeover valve, and a controller. The changeover valve is switchable between first and second valve positions. The first and second circulation paths are separated from each other when the changeover valve is in the first valve position. The controller causes both the first and second pumps to operate when the temperature difference between refrigerants in the first and second circulation paths is more than a predetermined temperature difference threshold when the changeover valve is set to the first valve position and one of the first and second pumps is operating and the other is not operating.
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