US5689146A
|
|
Conical bearing system for spindle motors
|
US5714817A
|
|
Labyrinth seal system
|
US5536088A
|
|
Fluid bearings for electronic spindle motors
|
US5426354A
|
|
Vector control for brushless DC motor
|
US5433529A
|
|
Fluid bearing construction employing thrust plate with pressure compensation ports
|
US5493159A
|
|
Flex circuit for electric motor
|
US5427456A
|
|
Fluid bearing with asymmetrical groove pattern
|
US5557248A
|
|
Magnetizer for magnets with shaped magnetic waveform
|
US5272803A
|
|
Method and apparatus for electric motor assembly with bearing preload
|
US5015939A
|
|
Control circuit for switched reluctance motor
|
US5034668A
|
|
Control circuit for an electric motor
|
US4928043A
|
|
Back EMF sampling circuit for phase locked loop motor control
|
US4774428A
|
|
Compact three-phase permanent magnet rotary machine having low vibration and high performance
|
US4751459A
|
|
Magnetic tachometer or accelerometer having highly permeable eddy current flux circuit
|
US4656400A
|
|
Variable reluctance actuators having improved constant force control and position-sensing features
|
US4665348A
|
|
Method for sensing and controlling the position of a variable reluctance actuator
|
US4575652A
|
|
Permanent magnet motor having high starting torque and narrowly-defined detent zones
|
US4659969A
|
|
Variable reluctance actuator having position sensing and control
|
US4540906A
|
|
Stator assembly for permanent magnet rotary device
|