Zenith Sintered Products, Inc.

Georgia M Mayer

Terry M Cadle

Carl J Landgraf

A bearing insert for being cast into an aluminum alloy engine block is made by a ferrous powder metal sintering process to make a skeleton structure which is permeable to the molten aluminum alloy in the block casting process. The insert is made of a material having a similar composition as the bearing cap so as to equalize machining and thermal expansion properties of the cap and block so as to provide improved roundness of the bearing in the machining operations for forming the bearing support and in operation of the engine.

Growing community of inventors

Hartford, WI, United States of America

Georgia M Mayer