[특허]Vehicles incorporating cooling drag reduction systems and methods

Toyota Motor Engineering & Manufacturing North America, Inc.

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특허 상세정보

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Vehicles incorporating cooling drag reduction systems and methods

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-011/00 B60K-011/08 F01P-005/04
출원번호	US-0186923 (2014-02-21)
등록번호	US-9550415 (2017-01-24)
발명자 / 주소	Nagahama, Satoshi Evans, Nic
출원인 / 주소	Toyota Motor Engineering & Manufacturing North America, Inc.
대리인 / 주소	Dinsmore & Shohl LLP
인용정보	피인용 횟수 : 0 인용 특허 : 8

초록

A method for operating a cooling fan of a vehicle including detecting at least one of a battery charge of a battery of the vehicle and a state of engagement of an air conditioning system of the vehicle and rotating the cooling fan in a direction to expel air from an engine compartment of the vehicle based on at least one of a detected battery charge of the battery or a detected state of engagement of the air conditioning system.

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1. A method for operating a vehicle comprising a state of charge sensor, an air conditioning system, and a cooling fan, the method comprising: detecting at least one of a battery charge of a battery of the vehicle with the state of charge sensor and a state of engagement of the air conditioning system of the vehicle;rotating the cooling fan in a direction to expel air from an engine compartment of the vehicle based on at least one of a detected battery charge of the battery or a detected state of engagement of the air conditioning system; androtating the cooling fan in a direction to draw air into the engine compartment when the detected state of charge of the battery is below a predetermined threshold. 2. The method of claim 1, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value. 3. The method of claim 1, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle when the air conditioning system is disengaged. 4. The method of claim 1, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value and the air conditioning system is disengaged. 5. The method of claim 1 further comprising detecting a vehicle speed of the vehicle, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle based on a detected vehicle speed of the vehicle, and at least one of the detected battery charge of the battery or the detected state of engagement of the air conditioning system. 6. The method of claim 5, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle when the detected vehicle speed is greater than a predetermined vehicle speed. 7. The method of claim 1 further comprising detecting an engine temperature, wherein the cooling fan is rotated in the direction to expel air from the engine compartment of the vehicle based on a detected engine temperature, and at least one of the detected battery charge of the battery or the detected state of engagement of the air conditioning system. 8. A cooling drag reduction system for a vehicle comprising: an electronic controller comprising a processor and a memory storing a computer readable and executable instruction set;a state of charge sensor communicatively coupled to the electronic controller;an air conditioning system communicatively coupled to the electronic controller;a cooling fan communicatively coupled to the electronic controller, wherein, when the computer readable and executable instruction set is executed by the processor, the electronic controller: detects at least one of a battery charge of a battery of the vehicle with the state of charge sensor and a state of engagement of the air conditioning system of the vehicle;commands the cooling fan to rotate in a direction to expel air from an engine compartment of the vehicle based on at least one of a detected battery charge of the battery or a detected state of engagement of the air conditioning system; andcommands the cooling fan to rotate in a direction to draw air into the engine compartment if the detected state of charge of the battery is below a predetermined threshold. 9. The cooling drag reduction system of claim 8, wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value. 10. The cooling drag reduction system of claim 8, wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the air conditioning system is disengaged. 11. The cooling drag reduction system of claim 8, wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value and the air conditioning system is disengaged. 12. The cooling drag reduction system of claim 8 further comprising a vehicle speed sensor communicatively coupled to the electronic controller, wherein the electronic controller further detects a vehicle speed of the vehicle and commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle based on a detected vehicle speed, and at least one of the detected battery charge of the battery, or the detected state of engagement of the air conditioning system. 13. The cooling drag reduction system of claim 12 wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the detected vehicle speed is greater than a predetermined vehicle speed. 14. The cooling drag reduction system of claim 8 further comprising an engine temperature sensor communicatively coupled to the electronic controller, wherein the electronic controller further detects an engine temperature and commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle based on a detected engine temperature, and at least one of the detected battery charge of the battery or the detected state of engagement of the air conditioning system. 15. The cooling drag reduction system of claim 14 wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the detected engine temperature is less than a predetermined engine temperature. 16. The cooling drag reduction system of claim 14 further comprising a vehicle speed sensor communicatively coupled to the electronic controller, wherein the electronic controller further detects a vehicle speed of the vehicle and commands the cooling fan to rotate in the direction to expel air from the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value, the air conditioning system is disengaged, a detected vehicle speed is greater than a predetermined vehicle speed, and the detected engine temperature is less than a predetermined engine temperature. 17. A vehicle comprising: an electronic controller comprising a processor and a memory storing a computer readable and executable instruction set;a state of charge sensor communicatively coupled to the electronic controller;an air conditioning system communicatively coupled to the electronic controller;a cooling fan communicatively coupled to the electronic controller, wherein, when the computer readable and executable instruction set is executed by the processor, the electronic controller: detects at least one of a battery charge of a battery of the vehicle with the state of charge sensor and a state of engagement of the air conditioning system of the vehicle;commands the cooling fan to rotate in a direction to expel air from an engine compartment of the vehicle based on at least one of a detected battery charge of the battery or a detected state of engagement of the air conditioning system; andcommands the cooling fan to rotate in a direction to draw air into the engine compartment if the detected state of charge of the battery is below a predetermined threshold. 18. The vehicle of claim 17, wherein the electronic controller commands the cooling fan to rotate in the direction to expel air from an interior of the engine compartment of the vehicle when the detected battery charge of the battery is greater than a predetermined battery charge value and the air conditioning system is disengaged.

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Vehicles incorporating cooling drag reduction systems and methods

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Vehicles incorporating cooling drag reduction systems and methods

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