Patent ID: 7958977
Filing Date: 2011-06-14
Classification: F16D

Abstract:
1. A segment brake comprising an axially moveable brake rotor for connection to a rotary output shaft of a machine, said rotor having friction liners on opposite axially facing sides of said rotor and a plurality of electromagnetically disengaging spring pressure brakes for attachment to a wall of a machine having a rotary shaft to be braked, said brakes being radially spaced from the axis of rotation of said rotor and each having a coil carrier, at least one electrically energizable coil in said carrier and an axially moveable spring biased armature disc retractable toward said carrier against spring pressure by electric energization of said coil, said armature disc engageable during braking with one friction liner on said rotor and an oppositely facing friction liner on said rotor being engageable during braking with said wall, said armatures and coil carriers being rectangular in shape, each coil carrier containing an oval shaped coil configured to optimize the use of available space.