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US 2014/0178175 A1Published application
Air turbine starter monitor system
AssigneeUnited Technologies Corporation
InventorsDean W. Kalkovich, Frank E. Bullis, Bobby Allen
Life of this patent
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Abstract
A method of monitoring a rotational system includes identifying a non-nominal spool-down profile.
Claims20
A method of monitoring a rotational system comprising:
- identifying a non-nominal spool-down profile.
A method of monitoring an Air Turbine Starter (ATS) comprising:
- comparing a nominal spool-down profile to a recent spool-down profile;
- and
- identifying a non-nominal spool-down profile from the comparing.
A system comprising:
- a rotational system with a spool-down profile;
- and
- a controller in communication with said rotational system, said controller operable to identifying a non-nominal spool-down profile
Dependencies are inferred from the claim text.