Patent ID: 11926174
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A casting system for a vehicle, comprising:
a casting of a wheel of the vehicle, the casting having an interior section;
multiple central portions individually positioned in one of multiple areas of the interior section completely encapsulated by a metal of the casting; and
an insert member positioned in individual ones of the multiple central portions, the insert member comprising a vitreous material having a higher melting point than a melting point of the metal of the casting the insert member displaces, and defining an internal bore, wherein a filler is disposed within the internal bore, the filler comprising a material different from the metal of the casting and different from the vitreous material of the insert member, wherein the filler is comprised of agricultural bio waste material.