Air cycle machine speed diagnostic
US10267325B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2014 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | May 21, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D7/0629
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for operating an air cycle machine is disclosed. The apparatus includes a detector for measuring a rotational speed of a component of the air cycle machine. A processor estimates a rate of change of rotational speed of the component from the measured rotational speed and shuts down the air cycle machine when the estimated rate of change of the rotational speed of the component is greater than a selected rate threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.