Patent ID: 6696775
Filing Date: 2004-02-24
Classification: F41B,H02K

Abstract:
An apparatus for accelerating particles in a linear direction, the apparatus comprising:a conductive rail; a rail brush slidingly coupled with an electrical contact with said conductive rail; a stator coil; a projectile slidingly coupled with said stator coil, the projectile including an armature coil and first and second stator brushes connected to said armature coil so as to move with said armature coil, said first and second stator brushes being disposed so as to contact first and second end turns of a portion of said stator coil, said first stator brushes being electrically coupled to said rail brush and said second stator brush being electrically coupled to said armature coil; at least one of said first and second stator brush comprising an annular brush assembly, said annular brush assembly including an annular support and a plurality of electrical contacts disposed circumferentially about said annular support and contacting said stator coil, said plurality of electrical contacts being electrically coupled to one another in parallel.