[특허]Engine system with a thermal storage device, and engine temperature raising method

Toyota Jidosha Kabushiki Kaisha

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특허 상세정보

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Engine system with a thermal storage device, and engine temperature raising method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03P-003/20 F03P-007/16 F02N-017/06 F02N-017/00
미국특허분류(USC)	123/041.14
출원번호	US-0891077 (2004-07-15)
우선권정보	JP-2003-280989(2003-07-28)
발명자 / 주소	Kuze,Yasuhiro Otsuka,Takayuki Ichinose,Hiroki Kinugasa,Yukio
출원인 / 주소	Toyota Jidosha Kabushiki Kaisha
대리인 / 주소	Oliff &
인용정보	피인용 횟수 : 0 인용 특허 : 9

초록
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An engine system with a thermal storage device is capable of efficiently supplying heat from a thermal storage device to an internal combustion engine. The engine system equipped with the thermal storage tank supplies the hot water stored in the thermal storage tank to a cylinder head of the internal combustion engine before the starting thereof. At this time, an electronic control unit sets a target value of the temperature of the internal combustion engine at the start of the hot water supply in such a manner that the lower the temperature of the inter...

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What is claimed is: 1. An engine system with a thermal storage device which is equipped with an internal combustion engine and said thermal storage device for storing heat, and which serves to supply the heat stored in said thermal storage device to said internal combustion engine through a prescribed thermal medium so as to raise the temperature of said internal combustion engine to a prescribed target value, said engine system comprising: a temperature information acquisition device that acquires information on the temperature of said internal combustion engine at the time of said heat supply; and a target value setting device that sets said target value based on said acquired information in such a manner that the lower the temperature of said internal combustion engine, the smaller said target value becomes. 2. The engine system with a thermal storage device as set forth in claim 1, wherein when the temperature of said internal combustion engine at the time of said heat supply is below a predetermined value, said target value setting device sets said target value in such a manner that the lower the temperature of said internal combustion engine, the smaller said target value becomes. 3. An engine system with a thermal storage device which is equipped with an internal combustion engine and said thermal storage device for storing heat, and which serves to supply the heat stored in said thermal storage device to said internal combustion engine through a prescribed thermal medium thereby to perform engine warm-up processing, said engine system comprising: a temperature information acquisition device that acquires information on the temperature of said internal combustion engine at the time of said heat supply; and a heat supply amount setting device that sets an amount of heat supplied to said internal combustion engine based on said acquired information in such a manner that the lower the temperature of said internal combustion engine, the smaller the amount of heat supplied to said internal combustion engine becomes. 4. The engine system with a thermal storage device as set forth in claim 3, wherein said engine system performs the supply of heat to said internal combustion engine so as to make the temperature of said internal combustion engine become a prescribed target value, and said heat supply amount setting device sets a time for which said supply of heat is performed in such a manner that the lower the temperature of said internal combustion engine, the shorter said time becomes. 5. The engine system with a thermal storage device as set forth in claim 3, wherein when the temperature of said internal combustion engine at the time of said heat supply is below a predetermined value, said heat supply amount setting device sets the amount of heat supplied to said internal combustion engine in such a manner that the lower the temperature of said internal combustion engine, the smaller the amount of heat supplied to said internal combustion engine becomes. 6. The engine system with a thermal storage device as set forth in claim 4, wherein when the temperature of said internal combustion engine at the time of said heat supply is below a predetermined value, said heat supply amount setting device sets a time for which said supply of heat is performed in such a manner that the lower the temperature of said internal combustion engine, the shorter said time becomes. 7. The engine system with a thermal storage device as set forth in claim 1, wherein the information acquired by said temperature information acquisition device at the time of said heat supply contains at least one of the temperature of an outside air and the temperature of engine cooling water. 8. The engine system with a thermal storage device as set forth in claim 3, wherein the information acquired by said temperature information acquisition device at the time of said heat supply contains at least one of the temperature of an outside air and the temperature of engine cooling water. 9. The engine system with a thermal storage device as set forth in claim 1, wherein the temperature of said internal combustion engine is decided by at least one of the temperature of engine cooling water, the temperature of an intake port inner wall, and the temperature of a cylinder inner wall that constitutes said internal combustion engine. 10. The engine system with a thermal storage device as set forth in claim 3, wherein the temperature of said internal combustion engine is decided by at least one of the temperature of engine cooling water, the temperature of an intake port inner wall, and the temperature of a cylinder inner wall that constitutes said internal combustion engine. 11. The engine system with a thermal storage device as set forth in claim 7, wherein the temperature of said internal combustion engine is decided by at least one of the temperature of engine cooling water, the temperature of an intake port inner wall, and the temperature of a cylinder inner wall that constitutes said internal combustion engine. 12. The engine system with a thermal storage device as set forth in claim 8, wherein the temperature of said internal combustion engine is decided by at least one of the temperature of engine cooling water, the temperature of an intake port inner wall, and the temperature of a cylinder inner wall that constitutes said internal combustion engine. 13. An engine temperature raising method comprising: a first step of acquiring information on the temperature of an internal combustion engine at the time when heat is supplied from a thermal storage device to said internal combustion engine, and setting a target value of the temperature of said internal combustion engine such that the lower the temperature of said internal combustion engine obtained from said acquired information, the smaller the target value of the temperature of said internal combustion engine becomes; and a second step of supplying the heat stored in said thermal storage device to said internal combustion engine through a prescribed thermal medium so as to raise the temperature of said internal combustion engine to said target value. 14. The engine temperature raising method as set forth in claim 13, wherein in said first step, when the temperature of said internal combustion engine obtained from said acquired information is below a predetermined value, the target value of the temperature of said internal combustion engine is set such that the lower the temperature of said internal combustion engine, the smaller the target value of the temperature of said internal combustion engine becomes.

이 특허에 인용된 특허 (9)

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Engine system with a thermal storage device, and engine temperature raising method

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Engine system with a thermal storage device, and engine temperature raising method

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이 특허에 인용된 특허 (9)

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