Toothed wheel pump for supplying lubricating oil to an I.C. engine comprises a pump housing made from die cast aluminum and toothed wheels made from a highly alloyed aluminum-silicon alloy containing copper

摘要

Toothed wheel pump comprises a pump housing made from die cast aluminum and toothed wheels made from a highly alloyed aluminum-silicon alloy with 1-2 % copper. The toothed wheels are produced in a powder metallurgical manner.