公开(公告)号：US20160333829A1

公开(公告)日：2016-11-17

申请号：US15069000

申请日：2016-03-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Daishi TAKAHASHI

IPC: F02M26/33 ,  F02D41/26 ,  F02M26/30 ,  F01P7/16 ,  F02M26/28 ,  F02D41/00 ,  F01P3/02

CPC classification number: F02M26/33 ,  F01P3/02 ,  F01P7/16 ,  F01P2003/021 ,  F01P2003/024 ,  F02D41/005 ,  F02D41/0077 ,  F02D41/045 ,  F02D41/068 ,  F02D41/2422 ,  F02D41/26 ,  F02D2200/0404 ,  F02M26/28 ,  F02M26/30 ,  Y02T10/47

Abstract: An EGR device is operated and EGR is executed, when a temperature of a first cooling water that cools a cylinder block and a cylinder head is higher than an EGR allowable temperature, and a working point of the internal combustion engine that is fixed by a load and an engine speed is in an EGR execution region. The EGR execution region is variable with respect to a temperature of the second cooling water (the temperature of the second cooling water is lower than the first cooling water) that cools the intake port, and the EGR execution region is narrowed to a high load side in a case where the temperature of the second cooling water is lower than a threshold value temperature, as compared with a case where the temperature of the second cooling water is higher than the threshold value temperature.

Abstract translation: 当冷却气缸体和气缸盖的第一冷却水的温度高于EGR允许温度时，执行EGR装置，执行EGR，并且通过负载固定的内燃机的工作点 发动机转速在EGR执行区域。 EGR执行区域相对于冷却进气口的第二冷却水的温度（第二冷却水的温度低于第一冷却水）而变化，EGR执行区域变窄到高负荷侧 与第二冷却水的温度比阈值温度高的情况相比，在第二冷却水的温度低于阈值温度的情况下。

公开(公告)号：US20160305309A1

公开(公告)日：2016-10-20

申请号：US15053068

申请日：2016-02-25

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Daishi TAKAHASHI

IPC: F01P7/14 ,  F02F1/14 ,  F01P11/14

CPC classification number: F02F1/14 ,  F01P7/165 ,  F01P11/14 ,  F01P2003/027 ,  F01P2005/125 ,  F01P2025/13 ,  F01P2025/30

Abstract: The cooling apparatus includes two cooling water circulation system in which the temperatures of the cooling water are different. A low-temperature cooling water circulation system includes an LT radiator that is disposed partway along a circulation circuit and that performs heat exchange between low-temperature cooling water and external air, a temperature sensor that detects the external air temperature, and an adjustment apparatus that adjusts an amount of low-temperature cooling water that is introduced into the LT radiator. The control apparatus adjusts the adjustment apparatus so that the temperature of the low-temperature cooling water approaches a target water temperature, and when the external air temperature is higher than the target water temperature, corrects the target water temperature to a value that is greater than or equal to the external air temperature.

Abstract translation: 冷却装置包括两个冷却水循环系统，其中冷却水的温度不同。 低温冷却水循环系统包括：沿着循环回路设置的LT散热器，并且执行低温冷却水和外部空气之间的热交换;检测外部空气温度的温度传感器;以及调节装置， 调节引入LT散热器的低温冷却水量。 控制装置调节调节装置使得低温冷却水的温度接近目标水温，并且当外部空气温度高于目标水温时，将目标水温度校正为大于 或等于外部空气温度。

公开(公告)号：US20160298526A1

公开(公告)日：2016-10-13

申请号：US15092803

申请日：2016-04-07

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yoshihiro FURUYA ,  Yuji MIYOSHI ,  Satoko TOFUKUJI ,  Nobuki KAWAMOTO ,  Daishi TAKAHASHI

IPC: F01P7/14 ,  F01P11/16 ,  F01P3/04

CPC classification number: F01P7/14 ,  F01P7/165 ,  F01P11/16 ,  F01P2007/146 ,  F01P2025/42 ,  F01P2060/02 ,  F02B29/0443 ,  F02B29/0493 ,  F02F1/10 ,  Y02T10/146

Abstract: High temperature (HT) and low temperature (LT) cooling water, the LT cooling water being at a lower temperature than the HT cooling water, circulate in HT and LT cooling water flows in respective channels. A controller controls to set the temperature of the LT cooling water lower in a case where an operating point of an engine lies in a particular region in an operational region of the engine, the particular region including a region in which the load is high and the engine speed is low, than in a case where the operating point lies in an operational region other than the particular region. Furthermore, the controller narrows the particular region in a direction toward higher loads in a case where the temperature of the HT cooling water is lower than a predetermined temperature.

Abstract translation: 高温（HT）和低温（LT）冷却水，LT冷却水的温度低于HT冷却水，在HT和LT冷却水中流通各自的通道。 在发动机的工作点位于发动机的操作区域的特定区域的情况下，控制器控制LT冷却水的温度较低，该特定区域包括负载高的区域 发动机转速低于工作点位于特定区域以外的操作区域的情况。 此外，在HT冷却水的温度低于预定温度的情况下，控制器在朝向较高负载的方向上缩小特定区域。