Balancing shaft unit and associated bearing

Details Balancing shaft unit and associated bearing Balancing shaft unit and associated bearing

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 15/26 (2006.01)

Patent

CA 2586860

The invention relates to a balancing shaft unit for piston machines, in particular internal combustion engines, for installation in a housing (8, 9) with non-divided bearing seats. Said shaft unit consists of at least one balancing shaft (10), which is configured as one piece with its balancing weight or weights (15). To allow the shaft unit to be installed in a non- divided housing without any restrictions being placed on its bearing, at least one bearing (11, 12) of the balancing shaft (10) is formed by a narrowing (13, 14) of the balancing shaft (10) that acts as a bearing journal and by a sub- divided bearing ring (20, 21) that is fixed to the housing, whose external diameter (28) is greater than the external diameter (26) of the balancing weight or weights.

L'invention concerne un ensemble arbre d'équilibrage pour des machines à piston, notamment des moteurs à combustion interne, pour le montage dans un boîtier (8, 9) avec des sièges de palier non divisés. Cet ensemble comprend au moins un arbre d'équilibrage (10) qui forme un seul bloc avec son poids d'équilibrage (15). L'invention vise à rendre son montage possible dans un boîtier non divisé sans limitation en termes de logement. A cet effet, au moins un logement (11, 12) de l'arbre d'équilibrage (10) est constitué par un collet (13, 14) de l'arbre d'équilibrage (10) pour former un tourillon et par un anneau d'appui (20, 21) divisé fixé au boîtier, le diamètre externe (28) de cet anneau étant supérieur au diamètre externe (26) du ou des poids d'équilibrage.

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