[특허]Actively controlled spoiler for a motor vehicle

GM Global Technology Operations LLC

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특허 상세정보

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Actively controlled spoiler for a motor vehicle

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-035/02 B62D-035/00
출원번호	US-0959888 (2015-12-04)
등록번호	US-9714058 (2017-07-25)
발명자 / 주소	Fahland, Jason D. Auden, Joshua R. Dominguez, David
출원인 / 주소	GM Global Technology Operations LLC
대리인 / 주소	Quinn IP Law
인용정보	피인용 횟수 : 0 인용 특허 : 14

초록
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A vehicle includes a vehicle body arranged along a longitudinal axis and having a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion relative to a road surface. The vehicle additionally includes a spoiler assembly mounted to the vehicle body. The spoiler assembly includes a spoiler body arranged perpendicular to the longitudinal axis. The spoiler assembly also includes a mechanism configured to vary a position of the spoiler body relative to the first vehicle body end. Such varying of the position of the spoi...

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청구항
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1. A vehicle comprising: a vehicle body arranged along a longitudinal axis and having a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion relative to a road surface; anda spoiler assembly mounted to the vehicle body and having: a spoiler body arranged perpendicular to the longitudinal axis; anda mechanism configured to vary a position of the spoiler body relative to the first vehicle body end to thereby control a movement of the ambient airflow relative to the vehicle body;wherein: the first vehicle body end includes a fascia;the fascia defines a grille opening; andthe mechanism is configured to selectively deploy the spoiler body into the ambient airflow outside the grille opening and retract the spoiler body out of the ambient airflow and into a position within the grille opening to thereby decrease a downforce acting on the first vehicle body end. 2. The vehicle according to claim 1, wherein the mechanism includes an actuator configured to vary the position of the spoiler body relative to the first vehicle body end. 3. The vehicle according to claim 1, wherein the spoiler body has an airfoil-shape in a cross-sectional view. 4. The vehicle according to claim 1, wherein the mechanism is additionally configured to tilt the spoiler body within the grille opening to thereby variably restrict the grille opening and vary an amount of ambient airflow entering the grille opening. 5. The vehicle according to claim 1, wherein the mechanism is configured to deploy the spoiler body out of the grille opening and into a position within the oncoming ambient airflow ahead of the first vehicle body end to thereby increase the downforce acting on the first vehicle body end. 6. The vehicle according to claim 5, further comprising a controller configured to regulate the mechanism and thereby vary the position of the spoiler body relative to the first vehicle body end. 7. The vehicle according to claim 6, further comprising a road wheel and a first sensor configured to detect a rotating speed of the road wheel and communicate the detected rotating speed of the road wheel to the controller. 8. The vehicle according to claim 7, further comprising: a second sensor configured to detect a yaw rate of the vehicle body and communicate the detected yaw rate to the controller;a steering wheel configured to control a direction of the vehicle via a steering wheel angle; anda third sensor configured to detect the steering wheel angle and communicate the detected steering wheel angle to the controller. 9. The vehicle according to claim 8, wherein the controller is configured to regulate the mechanism to selectively deploy the spoiler body into ambient airflow and retract the spoiler body out of the ambient airflow in response to the detected yaw rate, steering wheel angle, and rotating speed of the road wheel. 10. A vehicle comprising: a vehicle body arranged along a longitudinal axis and having a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion relative to a road surface;a spoiler assembly mounted to the vehicle body and having: a spoiler body arranged perpendicular to the longitudinal axis; anda mechanism configured to vary a position of the spoiler body relative to the first vehicle body end to thereby control a movement of the ambient airflow relative to the vehicle body; anda controller configured to regulate the mechanism;wherein: the first vehicle body end includes a fascia;the fascia defines a grille opening; andthe mechanism is configured to selectively deploy the spoiler body into the ambient airflow outside the grille opening and retract the spoiler body out of the ambient airflow and into a position within the grille opening to thereby decrease a downforce acting on the first vehicle body end. 11. The vehicle according to claim 10, wherein the mechanism includes an actuator configured to vary the position of the spoiler body relative to the first vehicle body end. 12. The vehicle according to claim 10, wherein the spoiler body has an airfoil-shape in a cross-sectional view. 13. The vehicle according to claim 10, wherein the mechanism is additionally configured to tilt the spoiler body within the grille opening to thereby variably restrict the grille opening and vary an amount of ambient airflow entering the grille opening. 14. The vehicle according to claim 10, wherein the mechanism is configured to deploy the spoiler body out of the grille opening and into a position within the oncoming ambient airflow ahead of the first vehicle body end to thereby increase the downforce acting on the first vehicle body end. 15. The vehicle according to claim 14, further comprising a road wheel and a first sensor configured to detect a rotating speed of the road wheel and communicate the detected rotating speed of the road wheel to the controller. 16. The vehicle according to claim 15, further comprising: a second sensor configured to detect a yaw rate of the vehicle body and communicate the detected yaw rate to the controller;a steering wheel configured to control a direction of the vehicle via a steering wheel angle; anda third sensor configured to detect the steering wheel angle and communicate the detected steering wheel angle to the controller. 17. The vehicle according to claim 16, wherein the controller is configured to regulate the mechanism to selectively deploy the spoiler body into ambient airflow and retract the spoiler body out of the ambient airflow in response to the detected yaw rate, steering wheel angle, and rotating speed of the road wheel. 18. The vehicle according to claim 17, wherein, via regulating the mechanism, the controller is configured to: shift the spoiler body to the position within the oncoming ambient airflow ahead of the first vehicle body end to thereby increase the downforce and reduce the detected yaw rate; andshift the spoiler body to the position within the grille opening to decrease the downforce and aerodynamic drag on the vehicle body, and increase the detected yaw rate.

이 특허에 인용된 특허 (14)

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특허 상세정보

Actively controlled spoiler for a motor vehicle

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이 특허에 인용된 특허 (14)

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Actively controlled spoiler for a motor vehicle

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이 특허에 인용된 특허 (14)

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IPC 상세정보(version : 201201)

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