Infinitely variable transmission with hybrid accelerator

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 3/76 (2006.01) F16H 3/44 (2006.01)

Patent

CA 2737194

Disclosed are systems, assemblies, and components that relate to power transfer. In particular, the disclosed systems includes a transmission that offers variable speeds and changes between different gear ratios while maintaining constant engagement. Constant engagement may be maintained by tooth-to-tooth contact to be scalable for a variety of applications. An example system includes a phase shifting mechanism. The phase shifting mechanism may include an eccentric gear that provides an oscillating output. The oscillating output creates an overall gear ratio change that slides between gear ratios, thereby allowing changes to occur in small, and possibly infinitely small increments. According to one example, an eccentric gear has a changing base radius and includes a tooth with a hybrid profile that has a base the width of an initial profile, and a width at a top of the tooth that is that of a final profile.

L'invention concerne des systèmes, des ensembles et des composants liés à un transfert de puissance. Les systèmes décrits concernent en particulier une transmission qui offre des vitesses variables et change de rapports de transmission tout en maintenant un engrènement constant. Il est possible de maintenir ledit engrènement constant par contact dent sur dent de manière évolutive pour diverses applications. Un système décrit à titre dexemple comporte un mécanisme de déphasage qui peut comprendre un engrenage excentrique donnant une sortie oscillante. Cette sortie oscillante crée une variation du rapport global de transmission qui glisse entre les rapports de transmission, permettant ainsi aux passages de rapports davoir lieu par incréments faibles, voire infiniment faibles. Selon un exemple, un engrenage excentrique présente un rayon primitif variable et comprend une dent de profil hybride dont la largeur au pied de la dent est celle dun profil initial et dont la largeur au sommet de la dent est celle dun profil final.

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