A two mass flywheel for use in a drive train of a motor vehicle, said two mass flywheel comprising:
- a first inertial mass system;
- a second inertial mass system;
- one of said first inertial mass system and said second inertial mass system being configured to be connected to a crankshaft of an internal combustion engine and the other of said first inertial mass system and said second inertial mass system being configured to be connected to a transmission system;
- said first inertial mass system comprising at least one planet gear;
- said second inertial mass system comprising a sun gear;
- said sun gear being configured and disposed to engage said at least one planet gear to impart rotation from and between said at least one planet gear and said sun gear;
- said at least one planet gear being configured and disposed to solely engage said sun gear;
- said at least one planet gear comprises a plurality of planet gears;
- said first inertial mass system, said second inertial mass system, and said sun gear have a substantially common axis of rotation;
- each planet gear of said plurality of planet gears has a corresponding axis of rotation;
- each planet gear of said plurality of planet gears comprises a cylindrical edge;
- said cylindrical edge of each planet gear of said plurality of planet gears is disposed concentric to the corresponding axis of rotation of each planet gear of said plurality of planet gears;
- each planet gear of said plurality of planet gears comprises a set of teeth;
- said set of teeth is disposed on at least a portion of said cylindrical edge of each planet gear of said plurality of planet gears;
- said sun gear comprises a cylindrical edge;
- said cylindrical edge of said sun gear is disposed concentric to the common axis of rotation;
- said sun gear comprises a set of teeth;
- said set of teeth of said sun gear is disposed on at least a portion of said cylindrical edge of said sun gear;
- said set of teeth of said sun gear is configured and disposed to engage with said set of teeth of each planet gear of said plurality of planet gears;
- a first structural portion;
- a second structural portion;
- a first annular wall;
- a second annular wall;
- said first inertial mass system comprises said first structural portion;
- said first structural portion is disposed substantially concentric to the common axis of rotation;
- said first structural portion comprises said first annular wall;
- said first annular wall is disposed substantially perpendicular to the common axis of rotation;
- said first annular wall is substantially planar;
- said second inertial mass system comprises said second structural portion;
- said second structural portion is disposed substantially concentric to the common axis of rotation;
- said second structural portion comprises said second annular wall;
- said second annular wall is disposed substantially perpendicular to the common axis of rotation;
- said second annular wall is substantially planar;
- said second annular wall is disposed an axial distance from said first annular wall;
- and
- at least a portion of each planet gear of said plurality of planet gears is disposed between said first annular wall and said second annular wall.