AIR PRECISION
Slip ring assembly
DownloadSlip rings for aeronautical applications
The slip ring shown here in its de-icing version is mounted on the tail rotor of a helicopter. In addition to de-icing this slip ring is also used for the critical function of pitch adjustment of the tail rotor blades.
| Group of rings | A | B | C | D | E | |
|---|---|---|---|---|---|---|
| Number of rings | 4 | 2 | 2 | 6 | 1 | |
| Current | (A) | 30 | 3 | 3 | 1 | 30 |
| Nominal voltage | (V) | 360 | 360 | 28 | 28 | 0 |
| Frequency | (Hz) | DC | DC | DC | 500 k | - |
| Insulation resistance | (MΩ) | 500 | 500 | 500 | 500 | - |
| Dielectric strength | (V) | 2000 | 2000 | 500 | 500 | - |
| Contact noise | (µV/mA) | 4 | 20 | 20 | 20 | - |
Additional specifications
| Term | Specifications |
|---|---|
| Speed : | 1450 rpm |
| Service life : | 80.10E6 rotations |
| Sealing : (NFC 20-010) | IP 54 |
| Relative humidity : | 95 % |
| Weight : | 4 kg |
| Operating temperature : | -40 < T (°C) < +90 |
AIR PRECISION
5, avenue Denis Papin - 92353 LE PLESSIS ROBINSON cedex - France
Tel : +33 (0)1 46 01 21 24
Fax : +33 (0)1 46 31 85 25
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