[특허]Air velocity responsive self deploying flexing air dam

[미국특허] Air velocity responsive self deploying flexing air dam 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-037/02
출원번호	US-0498677 (1990-03-26)
발명자 / 주소	Lovelace Richard R. (Clarkson MI)
출원인 / 주소	General Motors Corporation (Detroit MI 02)
인용정보	피인용 횟수 : 44 인용 특허 : 10

초록 ▼

An air dam attaches to the underside of a motor vehicle and extends downwardly therefrom into proximity with the road surface and potential interference with curbs or like obstructions extending above the road surface. The air dam is comprised of a generally rectangular flexible sheet with an upper edge and a lower edge defining an air deflecting surface therebetween. A bracket attaches the upper edge of the flexible sheet to the underside of the motor vehicle with the air deflecting surface cantilevered generally horizontally forward from the bracket so that the lower edge is spaced substantially above the road surface. The air deflecting surface is disposed in the oncoming airstream so that the flexible sheet is flexed downwardly progressively in response to the force of air pressure impinging on the air deflecting surface whereby the lower edge remains poised substantially above the road surface to clear obstructions extending above the road surface when the vehicle is traveling at low speeds and extends downwardly into substantial air deflecting proximity with the road surface at high vehicle speed.

대표청구항 ▼

An air dam for attachment to the underside of a motor vehicle and extending downwardly therefrom into proximity with the road surface and potential interference with curbs or like obstructions extending above the road surface, comprising: a generally rectangular flexible sheet having an upper edge and a lower edge defining an air deflecting surface therebetween; and means attaching the upper edge of the flexible sheet on the underside of the motor vehicle with the air deflecting surface cantilevered generally horizontally forward from the attaching means so that the lower edge is spaced substantially above the road surface in an undeployed position and with the air deflecting surface being disposed in the oncoming airstream so that the flexible sheet is flexed downwardly progressively in response to the force of air pressure impinging on the air deflecting surface to a full deployed position whereby the lower edge remains poised substantially above the road surface to clear obstructions extending above the road surface when the vehicle is traveling at low speeds and extends downwardly into substantial air defecting proximity with the road surface at high vehicle speed.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Okuyama Teiji (Toyota JPX), Air balance panel for vehicles.
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Parks Robert R. (Warren MI), Air dam for motor vehicle.
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Dimora Leonardo (Milan ITX) Minutillo Emanuele (Saronno ITX), Automatically positionable spoiler for a motor vehicle.
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Thompson Marlon H. (Rte. 8 ; Box 121 Carthage MS 39051), Frontal assembly for vehicles.
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Tomforde Johann (Sindelfingen DEX), Motor vehicle front bumper molding with air spoiler.
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Janssen Lutz J. (Munich DEX) Schrader Helmuth (Cologne DEX), Motor vehicle front end with an adjustable airflow device.
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Suzuki Hiroshi (Yokohama JPX) Matsumoto Masaharu (Yokohama JPX) Yamada Tsuguhiro (Yokosuka JPX), Movable front spoiler device for automotive vehicle.
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Okuyama, Teiji; Kuwana, Kazutaka; Ishikawa, Masanobu, Movable type air balance panel.
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Chabot James V. (Birmingham MI) Haddad Charles (West Bloomfield MI) Huzzard Robert W. (Livonia MI), Self-deployable air spoiler assembly.
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Heimburger ; Arthur Sherman, Vehicle undercarriage air deflector.
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이 특허를 인용한 특허 (44) 인용/피인용 타임라인 분석

Del Gaizo, Steven A.; Fang, William, Active underbody arrangement for a vehicle.
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Shinedling, Michael; Ayala, Ray; Bejnarowicz, Matt, Adjustable aerodynamic splitter.
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Rundels Jonathan L. ; Trostle Mark C. ; Altherr Richard H., Adjustable aerodynamic system for a motor vehicle.
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Helmus Herbert John, Adjustable vehicular wheelwell skirts.
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Verhee, Patrick; Lamm, Stefan; Di Buduo, Andrea; Curic, Kemal, Aerodynamic package for an automotive vehicle.
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Grandominico, Gary Alan; Grandominico, Dominic Plauche; McDonald, Jr., Raymond Augustus; Moss, Bret Jameson, Aerodynamic skirt assembly.
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Grandominico, Gary Alan; Grandominico, Dominic Plauche; McDonald, Raymond Augustus; Moss, Bret Jameson, Aerodynamic skirt assembly.
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Kottenstette, Ryan J.; Oehlberg, Lora A.; Ung, Dana M.; Chou, Chuen; Yen, Corina T., Aerodynamically activated front skirt for a vehicle.
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Benvenuto, Guido; Brooks, Geoff; Boyer, Aaron, Air dam.
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Hoelzel, Steffen; Paulus, Chris; Nijman, Gerard; Peeters, Mike, Air guiding device for a motor vehicle.
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Widmer, Jason A.; Lucas, Jeremy P.; Meeks, Christopher D.; Maurer, Michael W.; Missig, Michael R., Air separator and air separator with ducting for maximum cooling and fuel economy.
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Jungert, Dieter, Air-conducting device for a motor vehicle.
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Glickman, David Brian, Airflow control device for an automotive vehicle.
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Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C., Airflow control devices based on active materials.
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Browne, Alan L.; Johnson, Nancy L., Airflow control devices based on active materials.
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Mc Knight,Geoffrey P.; Massey,Cameron; Herrera,Guillermo A.; Barvosa Carter,William; Johnson,Nancy L.; Browne,Alan L., Airflow control devices based on active materials.
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Mc Knight,Geoffrey P.; Massey,Cameron; Herrera,Guillermo A.; Barvosa Carter,William; Johnson,Nancy L.; Browne,Alan L., Airflow control devices based on active materials.
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McKnight, Geoffrey P.; Massey, Cameron; Herrera, Guillermo A.; Barvosa-Carter, William; Johnson, Nancy L.; Browne, Alan L., Airflow control devices based on active materials.
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McKnight, Geoffrey P.; Massey, Cameron; Herrera, Guillermo A.; Barvosa-Carter, William; Johnson, Nancy L.; Browne, Alan L., Airflow control devices based on active materials.
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Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C., Airflow control devices using current.
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Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C., Airflow control devices with planar surfaces.
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Rees, Clayton B., Apparatus and method for increasing downward force exerted on a spinning vehicle.
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Rees, Clayton B., Apparatus and method for increasing downward force exerted on a spinning vehicle.
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Long, Jonathan C., Apparatus for decreasing aerodynamic drag, improving stability, and reducing road spray of a transport vehicle.
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Corwin, Cort; Soni, Devesh Kumar; Oomen, Craig, Bumper system with pedestrian-friendly lower apron.
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Cardile, Enrico; Calamita, Alessandro, Car provided with a ventilation channel.
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Kim,Pan Sang, Cooling structure for engine exhaust system.
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Butlin, Jr., Albert H.; Simms, Lisa M., Extendable air control dam for vehicle.
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Goldberg, Ira Jason, Extruded airdam for reducing the lift and drag of a motor vehicle.
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Maurer, Michael W.; Meeks, Christopher; Widmer, Jason A.; Kim, Sukwon; Forster, Karl; Lucas, Jeremy Paul; Kabbes, Ryan L.; Mihok, Kyle Stephen, Front end structure for vehicle.
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Missig, Michael R.; Widmer, Jason A.; Lucas, Jeremy Paul; Mihok, Kyle Stephen; Kabbes, Ryan L.; Maurer, Michael W., Front end structure for vehicle.
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Danev, Dimitar, Front spoiler for a motor vehicle.
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Kuhn, Frederic George; Weihing, Kevin L., Heat transfer airflow through engine compartment.
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Li, Yunjun; Karlson, Peter T.; Adamczyk, Jr., Theodore, Inflatable vehicle air dam with bidirectional deploy/stow system.
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Browne,Alan L.; Johnson,Nancy L., Method for controlling airflow.
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Soja,Heinz; Froeschle,Mathias, Motor vehicle having a front end comprising an air-guiding device and method of making and using same.
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Hanna, Brandon H.; Cunningham, James; Reyes-Crespo, Edgardo; Frederick, Scott L.; Khouphongsy, Phouvadol, Multi-stage detachable hood air scoop assemblies and vehicles incorporating the same.
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Mackenzie, Steven K.; Luttinen, James L.; Charnesky, Scott P., Passively deployable air dam for a vehicle.
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Browne, Alan L.; Rober, Kevin B.; Johnson, Nancy L.; Brown, James H., Pivotally deployable air dam utilizing active material actuation.
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Wey, Chiray; Dimichele, Alfredo; Prisby, Christopher, Removable front spoiler for a vehicle.
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Tortosa-Boonacker, Nina, Retractable curved air dam.
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Meeks, Christopher D.; Maurer, Michael W.; Widmer, Jason A.; Robinson, James; Kim, Sukwon; Mihok, Kyle Stephen; Lucas, Jeremy Paul, Rounded air dam for maximum aerodynamics and cooling performance.
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Jacquemard, Claude; Fayt, Arnold, Vehicle bumper including a spoiler hinged between three positions of stable equilibrium.
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Ishikawa, Akihiko, Vehicle front part structure with spats to restrain wind flow in front of the front wheel.
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[미국특허] Air velocity responsive self deploying flexing air dam 원문보기