Differential unit with optimized assembly window geometry

Details Differential unit with optimized assembly window geometry Differential unit with optimized assembly window geometry

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 57/02 (2006.01) F16H 48/00 (2006.01) F16H 48/08 (2006.01)

Patent

CA 2236704

A differential case is provided including at least one assembly window formed therein for providing access to a chamber interior of the differential case. The assembly window in the differential case is defined by a pair of opposed circular edge portions of the differential case interconnected by a pair of opposed elongated edge portions of the differential case. The pair of opposed elongated edge portions have a dimension therebetween slightly larger than an outside diameter of a pair of side gears so as to allow angulated entry of the side gears into the chamber and subsequent alignment relative to a longitudinal axis. The pair of opposed circular edge portions include a radius slightly larger than a radius of a pair of pinion gears to allow entry of the pinion gears into the chamber and subsequent alignment relative to another longitudinal axis. As such, the assembly window permits easy assembly of the gear components into the differential case while improving the structural and functional characteristics thereof.

Boîtier de différentiel comprenant au moins une fenêtre de montage pour permettre l'accès à une chambre intérieure du boîtier. La fenêtre de montage est définie par deux bords circulaires opposés du boîtier interconnectés par deux bords allongés opposés du boiter. L'écart entre ces deux bords est légèrement plus large que le diamètre extérieur de la paire de planétaires de façon à permettre leur entrée anguleuse dans la chambre et un alignement ultérieur par rapport à un axe longitudinal. Les bords circulaires opposés comprennent un rayon légèrement plus large que le rayon de deux pignons satellites de façon à permettre l'entrée de ces pignons dans la chambre et un alignement ultérieur par rapport à un autre axe longitudinal. Ainsi, la fenêtre de montage permet un assemblage facile des éléments d'engrenage dans le boîtier du différentiel tout en améliorant ses caractéristiques fonctionnelles et structurelles.

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