Wobble yoke assembly

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

Patent

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Details

F16H 23/00 (2006.01) F16H 23/02 (2006.01) F16H 23/04 (2006.01) F16H 23/06 (2006.01) F16H 23/08 (2006.01)

Patent

CA 2161868

A wobble yoke mechanism for converting reciprocating motion to rotary motion (or vice versa) in which each of two yokes (4) are connected to beams (3) by bearings (10, 10, 15, 15') having only one degree of freedom. The two yokes are 90° out of phase. An eccentric bearing (15) also having only one degree of freedom, is fitted to or about the nutating shaft (16) and is connected to one end of each of the yokes (3). All the axes of the pairs of bearings pass through a central pivot point (5). The axes of the pistons need not be straight nor need they be parallel with the axis of the crankshaft (12).

Mécanisme à étriers oscillants servant à transformer un mouvement de va-et-vient en un mouvement de rotation (ou vice versa), dans lequel deux étriers (4) sont reliés à des éléments transversaux (3) par des paliers (10, 10', 15, 15') n'ayant qu'un degré de liberté. Les deux étriers sont décalés de 90 . Un palier excentrique (15), n'ayant aussi qu'un degré de liberté, est fixé sur l'arbre (16) animé d'un mouvement de nutation, ou bien autour de celui-ci, et est relié à une extrémité de chacun des étriers (3). Tous les axes des paires de paliers passent par un point de pivotement central (5). Il n'est pas nécessaire que les axes des pistons soient alignés sur l'axe de l'arbre manivelle (12) ni qu'ils soient parallèles audit axe.

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