INTEGRATED TURBOCHARGER CASTING

摘要

A bearing housing or integrated turbocharger housing with the oil and optionally air and water galleries included as as cast features thereby avoiding the problems design limitations and expense associated with conventional post casting machining. The method of casting preferably uses lost foam casting or a technique similar to lost foam casting but in which a ceramic shell is formed on the foam form prior to metal casting but can use any of a variety of casting techniques or a combination of two or more techniques.