Gear pair comprising a crown gear and pinion

Details Gear pair comprising a crown gear and pinion Gear pair comprising a crown gear and pinion

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 55/08 (2006.01) F16H 48/10 (2006.01)

Patent

CA 2592219

The invention relates to a gear pair consisting of a crown gear (1) and of a pinion gear (2) provided in the form of a spur gear with an axis crossing angle of 90~. According to the invention, the teeth (3) of the pinion gear (2), in order to reduce an undercut of the teeth (5) of the crown gear (1), have a pressure angle, which increases from the outside inward in a radial direction with regard to the crown gear (1), or in the event of a constant pressure angle, have a profile offset, which decreases from the outside inward in a radial direction with regard to the crown gear (1).

L'invention concerne un engrenage composé d'une couronne dentée (1) et d'un pignon (2) et formant un engrenage cylindrique à denture droite, dont les axes se croisent en un angle de 90°. Selon l'invention, pour réduire un évidement des dents (5) de la couronne dentée (1), les dents (3) du pignon (2) présentent un angle d'attaque croissant de l'extérieur vers l'intérieur dans le sens radial relativement à la couronne dentée (1) ou, lorsque l'angle d'attaque est constant, un déport de profil diminuant de l'extérieur vers l'intérieur (1) dans le sens radial relativement à la couronne dentée (1).

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