Rotary drive device for inspecting turbo-fan engine blades
US4446728A · kind A · utility
6Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1982 |
| Grant date | May 8, 1984 |
| Priority date | — |
| Expiry date | Jun 9, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D25/34
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This invention discloses a rotary drive device for mechanically rotating the blades of a turbo-fan engine for inspecting the blades. The device is mounted on a blade and has a pulley in frictional contact with the turbo-fan case. A motor in the device continuously or intermittently rotates the blades with respect to the turbo-fan case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.