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US8215928B2 Foil gas bearing supported high temperature

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Foil bearing - Wikiped

A foil bearing, also known as a foil-air bearing, is a type of air bearing.A shaft is supported by a compliant, spring-loaded foil journal lining. Once the shaft is spinning fast enough, the working fluid (usually air) pushes the foil away from the shaft so that no contact occurs.The shaft and foil are separated by the air's high pressure, which is generated by the rotation that pulls gas into ...

US20090087299A1 - Foil gas bearing supported high .

A perspective view of a preferable high temperature, high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1. A cross-sectional view of the blower 10 in accordance with the present invention is shown in FIG. 2 .

A Foil Thrust Bearing Test Rig for Evaluation of High .

A Foil Thrust Bearing Test Rig for Evaluation of High Temperature Performance and Durability by Brian D. Dykas and Daniel W. Tellier ... Foil gas bearings operate by generating a self-acting gas film between surfaces in relative ... weight, complexity, and maintenance costs of foil bearing-supported turbomachines as compared

US8215928B2 - Foil gas bearing supported high temperature .

US8215928B2 - Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof - Google Patents Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof ... high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1.

US20090087299A1 - Foil gas bearing supported high .

A perspective view of a preferable high temperature, high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1. A cross-sectional view of the blower 10 in accordance with the present invention is shown in FIG. 2 .

US20090087299A1 - Foil gas bearing supported high .

A perspective view of a preferable high temperature, high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1. A cross-sectional view of the blower 10 in accordance with the present invention is shown in FIG. 2 .

Foil Gas Bearing Supported High Temperature Cathode .

In order to enable this recycling, this project will develop blowers that can handle high temperature gases; are reliable, energy efficient, and affordable; and will not contaminate the recycle gas with oil or grease. Phase I designed a high temperature cathode recycle blower supported by a foil gas bearing.

Foil Gas Bearing Supported High Temperature Cathode .

This project will develop a Foil Gas Bearing Supported High Temperature Cathode Recycle Blower to meet the needs of a nominal 5MWe SOFC-based proof-of-concept system. The proposed blower will be highly reliable and will have low cost. It will be efficient, high temperature capable, maintenance free, and oil contamination free.

Windage Power Loss in Gas Foil Bearings and the Rotor .

foil bearing in 1953. Since this discovery gas foil bearing supported turbomachines have been developed for a variety of applications over the past four decades (Ref. 4). Early applications were characterized by ambient pressure, low temperature, and lightly loaded conditions in centrifuges, cryogenic pumps, and aircraft air cycle machines ...

US8215928B2 - Foil gas bearing supported high temperature .

US8215928B2 - Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof - Google Patents Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof ... high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1.

US8215928B2 - Foil gas bearing supported high temperature .

US8215928B2 - Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof - Google Patents Foil gas bearing supported high temperature centrifugal blower and method for cooling thereof ... high-speed foil gas bearing supported blower 10 incorporating the design concepts of the present invention is shown in FIG. 1.

Rotordynamic Measurements on a High Temperature Rotor .

Rotordynamic Measurements on a High Temperature Rotor Supported on Gas Foil Bearings TRC-B&C-3-08 Exhaustive experimentation and accurate model prediction will lead to successful implementation of gas foil bearings (GFBs) into high temperature applications. This report

Performance of Simple Gas Foil Thrust Bearings in A

Performance of Simple Gas Foil Thrust Bearings in Air Robert J. Bruckner National Aeronautics and Space Administration Glenn Research Center Cleveland, Ohio 44135 Abstract Foil bearings are self-acting hydrodynamics devices used to support high speed rotating machinery.

Effect of Cooling Flow on the Operation of a Hot Rotor-Gas Foil Bearing Syst

Gas foil bearings (GFBs) operating at high temperature rely on thermal management procedures that supply needed cooling flow streams to keep the bearing and rotor from overheating. Poor thermal management not only makes systems inefficient and costly to operate but could also cause bearing seizure and premature system destruction.