Foil gas bearings are in widespread commercial use in air cycle machines, turbocompressors and microturbine generators and are emerging in more challenging applications such as turbochargers, auxiliary power units and propulsion gas turbines. Though not well known, foil bearing technology is well over fifty years old. Recent technological developments indicate that their full potential has yet to be realized. This paper investigates the key technological developments that have characterized foil bearing advances. It is expected that a better understanding of foil gas bearing development path will aid in future development and progress towards more advanced applications.

Volume Subject Area:
Hydrodynamic Lubrication and Fluid Film Bearings
Topics:
Gas bearings, Foil bearings, Cycles, Gas turbines, Generators, Machinery, Microturbines, Propulsion, Turbochargers
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