Windshield wiper assembly having an optimized airfoil

Details Windshield wiper assembly having an optimized airfoil Windshield wiper assembly having an optimized airfoil

B - Operations, Transporting

60

S

B60S 1/02 (2006.01)

Patent

CA 2753533

A wiper assembly (10) having a wiping element (18) for contact with a windshield (16) within a predetermined attack angle range of ~ 10° perpendicular relative to the surface to be wiped. The wiper assembly (10) further includes two elongated beams (36A, 36B) that are engaged to the wiping element (18) and apply a downward force thereto. The wiper assembly ( 10) also includes a connecting member (38) mounted to the elongated beams (36A, 36B). The wiper assembly (10) also includes an airfoil (44) that has an attachment portion (46) attached to the elongated beams (36A, 36B) and an upper portion (48) that is attached to the attachment portion (46). The upper portion (48) includes a wing (68) having a facing surface (70) and a trailing surface (72) that extend outwardly from the upper portion (48) at converging angles to improve wind lift resistance and reduce drag.

L'invention porte sur un ensemble essuie-glace (10) comportant un élément d'essuyage (18) destiné à entrer en contact avec un pare-brise (16) dans une plage d'angle d'attaque prédéterminée de ±10° perpendiculairement par rapport à la surface à nettoyer. L'ensemble essuie-glace (10) comprend en outre deux montants allongés (36A, 36B) qui viennent en prise avec l'élément d'essuyage (18) et qui appliquent une force vers le bas sur celui-ci. L'ensemble essuie-glace (10) comprend un élément de liaison (38) monté sur les montants allongés (36A, 36B). L'ensemble essuie-glace (10) comprend également un profilé aérodynamique (44) comprenant une partie de fixation (46) fixée aux montants allongés (36A, 36B) et une partie supérieure (48) fixée à la partie de fixation (46). La partie supérieure (48) comprend une aile (68) ayant une surface d'attaque (70) et une surface de fuite (72) s'étendant vers l'extérieur à partir de la partie supérieure (48) selon des angles convergents dans le but d'améliorer la résistance à la prise au vent et de réduire la traînée.

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