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公开(公告)号：US20190135084A1
公开(公告)日：2019-05-09
申请号：US16088889
申请日：2017-03-02
Applicant: DENSO CORPORATION
Inventor： Go SATO , Takashi YASUDA , Koichi HARADA , Ken MUTO , Masaaki KAWAKUBO , Nobukazu KURIBAYASHI , Hiroyuki SAKANE
Abstract: In a heat exchange unit, a shutter device is disposed on a vehicle front side with respect to a coolant heat exchanger to open and close a passage for traveling air directed toward the coolant heat exchanger. A blower is switchable between a first blowing state in which air flows from the vehicle front side to the vehicle rear side and a second blowing state in which air flows from the vehicle rear side to the vehicle front side. In a case where a switch that makes a vehicle travelable is in an on state, a control unit switches the blower to the second blowing state, while an open degree of the shutter device is set at a closing side from a maximum open degree of the shutter device when a temperature of the engine coolant is equal to or lower than a predetermined temperature determination value.
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Patent Agency Ranking
公开(公告)号：US20220161629A1
公开(公告)日：2022-05-26
申请号：US17441928
申请日：2020-03-23
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Ryuichi WADA , Tatsuya MASUHISA , Nobukazu KURIBAYASHI , Shinsaku ISOMURA
Abstract: A heat control device is provided in a vehicle including a first thermal circuit that circulates a coolant and a second thermal circuit that circulates a refrigerant while changing the state of the refrigerant and is able to exchange heat with the first thermal circuit. When there is a heat discharge request from the second thermal circuit, the heat control device includes a determination unit configured to determine an amount of operation of each of a plurality of units which are used to discharge heat such that the heat discharge request is satisfied and the sum of power consumption values of the plurality of units is minimized.
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公开(公告)号：US20210300144A1
公开(公告)日：2021-09-30
申请号：US17172474
申请日：2021-02-10
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Takayuki KAWABE , Tatsuya MASUHISA , Nobukazu KURIBAYASHI , Shinsaku ISOMURA
IPC: B60H1/00 , G05B19/042
Abstract: A device installed in a vehicle including a first thermal circuit, a second thermal circuit, and a third thermal circuit, is configured to arbitrate a heat request of the first thermal circuit, a heat request of the second thermal circuit, and a heat request of the third thermal circuit. The device is configured to acquire a heat absorption amount requested by the first thermal circuit, the second thermal circuit, and the third thermal circuit, and configured to set, as a target value of a transfer heat amount in which heat exchange is performed between the second thermal circuit and the third thermal circuit, a larger one of a heat dissipation amount requested by the second thermal circuit and a heat amount difference in which a heat dissipation amount requested by the third thermal circuit is subtracted from a heat absorption amount requested by the first thermal circuit.
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公开(公告)号：US20220176771A1
公开(公告)日：2022-06-09
申请号：US17438947
申请日：2020-03-13
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Ryuichi WADA , Tatsuya MASUHISA , Nobukazu KURIBAYASHI , Shinsaku ISOMURA
Abstract: A thermal request mediating device (1) that is mounted in a vehicle including a first thermal circuit (LT) and a second thermal circuit (RE) configured to exchange heat with the first thermal circuit, the thermal request mediating device includes: a discharged heat amount acquiring unit configured to requested amounts of discharged heat of the first and second thermal circuits; and a mediation unit configured to determine amounts of discharged heat allowable for the first thermal circuit and the second thermal circuit, and increase the amount of discharged heat allowable for the first thermal circuit and decrease the amount of discharged heat allowable for the second thermal circuit as the first requested amount of discharged heat increases when the sum of the amounts of discharged heat of the first and second thermal circuits exceeds the maximum amount of dischargeable heat.
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公开(公告)号：US20180312039A1
公开(公告)日：2018-11-01
申请号：US15772131
申请日：2016-10-06
Applicant: DENSO CORPORATION
Inventor： Hiroyuki SAKANE , Nobukazu KURIBAYASHI , Shirou BANDOU
CPC classification number: B60H1/16 , B60H1/00735 , B60H1/00864 , B60K11/085 , F01P1/00
Abstract: An airflow control system includes an air blower and an outlet door. The air blower is disposed on a front side in a vehicle traveling direction with respect to an inside of a cabin and disposed inside an engine compartment that houses a propulsion engine. The outlet door opens and closes an air outlet through which an air flow from an inside of the engine compartment is blown to another area on a rear side in the vehicle traveling direction with respect to the engine compartment. The air blower blows an air flow containing exhaust heat of the propulsion engine to the other area through the air outlet while the air outlet is opened by the outlet door.
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公开(公告)号：US20180043748A1
公开(公告)日：2018-02-15
申请号：US15556508
申请日：2016-03-04
Applicant: DENSO CORPORATION
Inventor： Nobukazu KURIBAYASHI
CPC classification number: B60H1/00857 , H02P8/00 , H02P8/14
Abstract: An air conditioner ECU transmits a communication message in a format for controlling a stepper motor. Since a stepper motor and a DC motor are controlled by a communication message in respective predetermined formats, the DC motor cannot be controlled with the communication message transmitted by the air conditioner ECU. Therefore, the sub ECU relays the communication message transmitted by the air conditioner ECU and drives the actuator. The sub ECU converts the communication message transmitted by the air conditioner ECU into control information corresponding to a predetermined format of each actuator and drives each actuator based on the converted control information.
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