| 摘要 |
An adapter is disclosed for use in mounting an ancillary unit in an engine block which has at one end a lateral flange ( 10 ) formed with an aperture for mounting of the ancillary unit. The adapter comprises a casing ( 112 ) for mounting on the end face of the engine to overlie the 10 aperture, which casing is provided with an O-ring ( 130 ) for effecting a seal between the casing ( 112 ) and the aperture in the lateral flange of the engine. The casing has a larger diameter portion separated by a shoulder ( 131 ) from a portion of reduced diameter, a retaining sleeve ( 132 ) axially slidable over the reduced diameter portion of the casing ( 112 ) and a O-ring ( 130 ) held captive between the axial end of the retaining sleeve ( 132 ) and the shoulder ( 131 ).
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