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1. (WO2006080873) IMPROVEMENT OF THE AERODYNAMIC PROPERTIES OF GROUND VEHICLES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/080873    International Application No.:    PCT/SE2006/000031
Publication Date: 03.08.2006 International Filing Date: 09.01.2006
IPC:
B62D 35/00 (2006.01)
Applicants: WM-DATA CARAN AB [SE/SE]; Valdemar Noréns gata 3, S-417 55, Göteborg (SE) (For All Designated States Except US).
FREDRIKSSON, Sam [SE/SE]; (SE) (For US Only).
KJELLGREN, Per [SE/SE]; (SE) (For US Only)
Inventors: FREDRIKSSON, Sam; (SE).
KJELLGREN, Per; (SE)
Agent: BJERKENS PATENTBYRÅ KB; Östermalmsg. 58, S-114 50 Stockholm (SE)
Priority Data:
0500206-8 27.01.2005 SE
Title (EN) IMPROVEMENT OF THE AERODYNAMIC PROPERTIES OF GROUND VEHICLES
(FR) AMELIORATION DES PROPRIETES AERODYNAMIQUES DE VEHICULES TERRESTRES
Abstract: front page image
(EN)The present invention relates to the improvement of the aerody namic properties of bluff-body shaped ground vehicles (100). A least one air modulator (210, 21 Oa1 210b1 , 210b2, 210c, 21 Oe is assembled on the vehicle (100) to modify an air flow (F around the vehicle (100), such that the drag on the vehicle (100 is decreased. Each air modulator (210, 210a, 210b1 , 210b2 210c, 21 Oe) has an array of openings (215) including a numbe of openings, which are arranged next to one another along a essentially straight line. A control unit (230) controls the at leas one air modulator (210, 210a, 210b1 , 210b2, 210c, 21 Oe) t output oscillating air from each opening such that air vortice (150) are formed outside the opening. The at least one ai modulator (210, 210a, 210b1 , 210b2, 210c, 21 Oe) is arranged o the vehicle (100), such that these air vortices (150) have spi axes that in proximity to the opening are essentially perpen dicular to a forward driving direction (DF) of the vehicle (100).
(FR)L'invention concerne l'amélioration des propriétés aérodynamiques de véhicules terrestres à carrosserie non profilée (100). On assemble au moins un modulateur d'air (210, 21 Oa1 210b1, 210b2, 210c, 21 Oe) sur le véhicule (100) pour modifier le flux d'air (F) autour du véhicule (100), pour diminuer la résistance à l'avancement sur le véhicule (100). Chaque modulateur (210, 210a, 210b1, 210b2 210c, 21 Oe) comporte une série d'ouvertures (215) proches les unes des autres le long d'une ligne essentiellement droite. Une unité de contrôle (230) assure le contrôle du ou des modulateurs (210, 210a, 210b1, 210b2, 210c, 21 Oe) pour fournir en sortie de l'air oscillant à partir de chaque ouverture, de manière à établir des tourbillons d'air (150) à l'extérieur des ouvertures. On dispose le ou les modulateurs (210, 210a, 210b1, 210b2, 210c, 21 Oe) sur le véhicule (100), pour que ces tourbillons (150) aient des axes de rotation qui, à proximité des ouvertures, sont essentiellement perpendiculaires à une direction d'avancement (DF) du véhicule (100).
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)