| 摘要 |
A bell housing, for the assembly together of electric motors and driven items, e.g., pumps, comprises a tubular body with a first co-axial flange at one end for mounting a motor, and a second co-axial flange at the other end for mounting a driven item, the first flange including a plurality of sets of holes, the holes of each set being arranged at the same radius from the common central axis of the flange and the body, the radius of each set being different from the radius of each other set, whereby the same bell housing may be used for mounting motors having flanges of at least two different sizes.
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