| 摘要 |
An ancillary unit drive adapter is disclosed for use in an engine block which has at one end a lateral flange formed with an aperture for mounting of the ancillary unit. The drive adapter comprises a casing ( 112 ) for mounting on the end face of the engine to overlie the aperture. A shaft ( 116 ) journalled in the casing, has a formation ( 122 ) at one end for coupling to the input shaft of the ancillary unit and a cog ( 120 ) solid with its opposite end for meshing with an engine driven gear. Faces ( 120 a , 120 b) on the opposite sides of the cog ( 120 ) serve in use as bearing surfaces to withstand axial forces acting in both directions on the drive shaft ( 116 ).
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