Position dependent damper for a vehicle suspension system

A damper assembly for a vehicle suspension system, comprising:

• a primary damper, comprising:
• a housing including a sidewall that defines an inner volume;
• a cap coupled to an end of the housing;
• an annular piston slidably coupled to the sidewall and disposed within the inner volume;
• a first tubular rod extending through the cap and coupled to the annular piston;
• and
• a tubular member partially surrounding the first tubular rod and coupled to the annular piston;
• and
• a secondary damper coupled to the primary damper, comprising:
• a housing including a sidewall that partially surrounds the primary damper, the volume between the sidewall and the primary damper defining a damping chamber, wherein the sidewall defines a plurality of apertures;
• and
• an annular piston positioned within the damping chamber and slidably coupled to the sidewall,
• wherein the primary damper provides a base damping force and the secondary damper provides a supplemental damping force that varies based on the position of the annular piston of the secondary damper along the housing.

A damper assembly for a vehicle suspension system, comprising:

• a housing including a sidewall that defines an inner volume, a first set of apertures including a first aperture positioned at a first end of the housing, and a second set of apertures including a second aperture positioned at a second end of the housing;
• a piston disposed within the inner volume and extensible between a first position and a second position;
• a first conduit extending between the first set of apertures and defining a first flow path;
• a second conduit extending between the second set of apertures and defining a second flow path;
• and
• a bidirectional flow valve positioned along the first flow path, the bidirectional flow valve providing a first level of damping as the piston extends from the first position to the second position and a second level of damping as the piston retracts from the second position to the first position.