Apparatus for commutation of a helical coil launcher
US6696775B2 · kind B2 · utility
19Cited by
7References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 22, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Jan 22, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41B6/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus for commutating turns of a stator coil for a helical coil launcher. An annular brush assembly includes an annular support and a plurality of electrical contacts disposed circumferentially about the annular support for contacting the stator coil. A projectile for a helical coil launcher is also disclosed having an armature coil and a body assembly containing at least one annular brush assembly for contacting a stator coil that is slidably engaged with the projectile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.