Cylinder crankcase, procedure for manufacturing the cylinder...

Internal-combustion engines – Combustion chamber – Having coating or liner

Reexamination Certificate

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C123S668000, C123S1950HC, C123S193200

Reexamination Certificate

active

07073492

ABSTRACT:
A light metal cylinder crankcase for combustion engines has cylinder bushings with a running layer that forms the running surface and a rough, external bonding layer for bonding the cylinder bushings to the cylinder crankcase while pouring the cylinder crankcase. At least 60% of the bonding layer relative to the jacket surface of the bonding layer is connected with the casting material of the cylinder crankcase in a material tight manner.

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