Patent ID: 11873724
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC F  B  C | IPC B  C  F

Claim 0:
1. A compressor assembly configured to pressurize an airflow for delivery to an internal combustion engine having one or more cylinders, the compressor assembly comprising:
a compressor housing having an internal aerodynamic surface that defines a circumferentially extending volute;
a compressor impeller disposed within the compressor housing and having an external aerodynamic surface that faces toward at least a portion of the internal aerodynamic surface of the compressor housing; and
a nonstick coating formed on the internal aerodynamic surface of the compressor housing or on the external aerodynamic surface of the compressor impeller,
wherein the nonstick coating comprises a polysiloxane, zirconia, silica, alumina, titanium dioxide, polyvinylidene fluoride, a perfluoroalkoxy polymer, fluorinated ethylene-propylene, or a combination thereof.