[특허]Transmission fluid heating using engine exhaust

[미국특허] Transmission fluid heating using engine exhaust 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16H-057/04 F25B-029/00 F28F-027/00
출원번호	US-0800191 (2004-03-15)
발명자 / 주소	Sorab,Jagadish Tibbles,Tom Schroder,Michael Glidewell,John
출원인 / 주소	Ford Global Technologies, LLC
대리인 / 주소	MacMillan, Sobanski &
인용정보	피인용 횟수 : 19 인용 특허 : 12

초록 ▼

A heat exchanger integrated into the transmission oil pan transfers heat from post-catalyst exhaust gases to the transmission oil. Inlet and outlet ducts route exhaust gas between the heat exchanger and an exhaust pipe located downstream of the catalyst. The exhaust pipe accommodates a control valve that diverts exhaust gas flow to the heat exchanger during the warm-up phase, or to the tailpipe during steady state operation. A control function is provided to monitor transmission oil temperature and engine operating conditions and to control actuation of the valve. The main input parameter to the control function is the transmission oil temperature.

대표청구항 ▼

What is claimed is: 1. A system for heating transmission fluid, comprising: an oil pan secured to a transmission case for containing hydraulic fluid, including a surface at least partially enclosing the fluid within the oil pan; a supply duct for carrying exhaust gas from an engine; a heat exchanger secured to the oil pan, communicating through a first connection with the supply duct, and defining a flow path of exhaust gas along the surface through the heat exchanger for transferring heat from the exhaust gas to fluid contained in the oil pan, the heat exchanger further comprising surfaces enclosing the exhaust gas in the heat exchanger, the heat exchanger having an opening bounded by the enclosing surfaces, the opening being at least partially closed by the surface of the oil pan; an inlet port passing through a surface of the heat exchanger and communicating with the supply duct; an exhaust port passing through a surface of the heat exchanger and communicating with the supply duct; and a baffle located between the inlet part and exhaust port for directing flow of exhaust gas in the heat exchanger along the surface of the oil pan; an exhaust duct communicating through a second connection with the supply duct, and connected to the heat exchanger for carrying engine exhaust gas from the heat exchanger to the supply duct; and a valve located between the first connection and second connection for opening and closing the supply duct to the flow of exhaust gas between the first connection and second connection. 2. The system of claim 1, further comprising: an engine exhaust manifold; and a catalytic converter for connection to the engine exhaust manifold, and located in an exhaust gas flow path between the engine exhaust manifold and first connection. 3. The system of claim 1, wherein closing the valve directs exhaust gas through the first connection to the heat exchanger, and opening the valve causes exhaust gas to bypass the heat exchanger. 4. The system of claim 1, wherein the heat exchanger further comprises: surfaces enclosing the exhaust gas in the heat exchanger, the heat exchanger having an opening bounded by the enclosing surfaces, the opening being closed by the surface of the oil pan. 5. A system for heating transmission fluid, comprising: an oil pan for containing hydraulic fluid supplied to a transmission; a supply duct for carrying exhaust gas from an engine; a heat exchanger secured to the oil pan, communicating with the supply duct, and defining a flow path of exhaust gas along a surface of the oil pan, for transferring heat from the exhaust gas to the oil pan, the heat exchanger further comprising surfaces enclosing the exhaust gas in the heat exchanger, the heat exchanger having an opening bounded by the enclosing surfaces, the opening being at least partially closed by the surface of the oil pan; an inlet port passing through a surface of the heat exchanger and communicating with the supply duct; an exhaust port passing through a surface of the heat exchanger and communicating with the supply duct and a baffle located between the inlet port and exhaust port for directing flow of exhaust gas in the heat exchanger along the surface of the oil pan; an exhaust duct communicating with the supply duct and connected to the beat exchanger for carrying engine exhaust gas from the beat exchanger to the supply duct; and a valve directing exhaust gas to the beat exchanger from the exhaust duct, and for bypassing exhaust gas flow to the heat exchanger. 6. The system of claim 5, further comprising: an engine exhaust manifold; and a catalytic converter connected to the engine exhaust manifold and supply duct. 7. The system of claim 5, wherein the heat exchanger further comprises: surfaces enclosing the exhaust gas in the heat exchanger, the heat exchanger having an opening bounded by the enclosing surfaces, the opening being closed at least partially by a surface of the oil pan.

이 특허에 인용된 특허 (12) 인용/피인용 타임라인 분석

Greer J. Rex (Lubbock TX), Auxiliary air conditioning, heating and engine warming system for vehicles.
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Kiel Lonn M., Diesel engine pre-heater.
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Bennett Easton,CAXITX T6B 3A7, Heat exchanger for a motor vehicle exhaust.
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Okubo Akira (Tokyo JPX) Miura Seishi (Shiki JPX), Lubricant heating system for internal combustion engine.
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Ap Ngy S. (Villepinte FRX), Motor vehicle exhaust gas heat exchanger for heating engine coolant and lubricating oil.
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Lee Brian Thomas, Oil sump arrangement with integral filter and heat exchanger.
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Hollis Thomas J., System for controlling the heating of temperature control fluid using the engine exhaust manifold.
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Hollis Thomas J. (5 Roxbury Dr. Medford NJ 08055), System for heating temperature control fluid using the engine exhaust manifold.
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Hollis Thomas J. (5 Roxbury Dr. Medford NJ 08055), Temperature control system utilizing an electronic engine temperature control valve.
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Majkrzak David S. (345 Cherry Ct. West Fargo ND 58078), Vehicle exhaust gas warm-up heater system.
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Turbett, Marlin R.; Senseney, Robert M.; Nash, Steven D.; Rosati, Michael R.; Stark, David T.; Hysko, Alfonso G.; Tator, Robert W.; Joseph, David L.; Piorkowski, Paul A.; Stecklein, Gary L.; Castigli, Virtual vehicle transmission test cell.
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Ito, Yasushi; Suzuki, Makoto; Arisawa, Katuhiko; Tabata, Masakazu, Warm-up control device for internal-combustion engine and warm-up control method.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

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Beechie, Brian E.; Mueller, John D.; Orzechowski, Jeffrey M.; Varma, Anurag Peter; Gerber, Mary, Axle system.
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Samie, Farzad; Lanzon, James L; Bartos, Andrew L., Compact transmission fluid heater.
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Hussain, Quazi; Schwartz, William Samuel; Baker, Chad Allan; Brigham, David Richens; Jennings, Mark John, Controller for exhaust heat conversion to heat and electricity.
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Cook, David, Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines.
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Vuolle-Apiala, Tuomas; Tirkkonen, Jorma; Pakarinen, Ville; Toikkanen, Jari; Liukkonen, Olli; Mustalahti, Jorma; Martikainen, Ilkka, Electrical machine with guide bars for facilitating assembly and a method for assembling the electrical machine.
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Myers, John William; Bourcier, Mark Allen, Integrated coolant flow control and heat exchanger device.
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Myers, John W.; Bourcier, Mark A., Integrated pump, coolant flow control and heat exchange device.
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Potter, Kenneth J, System and method to control automotive powertrain component temperature.
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Potter, Kenneth J., System and method to control automotive powertrain component temperature.
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Cook, Michael D; Scott, Matthew R; Pelaez, Joaquin A; Bressau, Timothy, Thermal management system for a vehicle and method.
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Dickson, Douglas; Ziehr, Lawrence P.; Salvador, James R.; Shepard, Daniel J., Thermoelectric generator for transmission warm-up.
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Patel, Romi; Wielosinski, Michael, Transmission case with integrated drain channel.
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Magnetto, Daniela, Unit for recovering and converting the thermal energy of the exhaust gases of an internal combustion engine of a vehicle.
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Matsusaka, Masanobu; Sato, Tadayoshi; Takano, Hirohisa, Vehicle cooling device.
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Ruona, William Charles; Pursifull, Ross Dykstra, Viscous brake for driveline heating.
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[미국특허] Transmission fluid heating using engine exhaust 원문보기

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[미국특허] Transmission fluid heating using engine exhaust 원문보기

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