| 摘要 |
A rotary combustion engine having a completely die cast aluminum housing assembly wherein one of two end housings is rigidly secured and sealed to one open end of an outer barrel housing in which either one rotor housing or two or more rotor housings separated by an intermediate housing are radially confined. The other end housing is secured and sealed to the other open end of the outer housing to clamp the radially confined housing or housings with a predetermined load within the tolerance stack-up of the clamped parts. With this arrangement the outer housing grows with the clamped parts in the axial direction as a result of heat expansion during engine operation to prevent an excessive change in the clamp load while good sealing is maintained.
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