Air turbine starter with lubrication recirculation circuit

A lubrication recirculation circuit comprising:

• a housing;
• a distribution chamber provided within the housing;
• a piston disposed within the distribution chamber, the piston movable between a first piston position and a second piston position;
• a stopper movably disposed within the piston and having at least one outlet;
• a reservoir fluidly coupled to the distribution chamber;
• and a lubrication line fluidly coupling the reservoir to the distribution chamber, the lubrication line further comprising a first conduit and a second conduit each extending from the distribution chamber;
• wherein the first conduit of the lubrication line is open to a flow of lubricant when the piston is in the first piston position, and wherein the second conduit of the lubrication line is open to a flow of lubricant when the piston is in the second piston position;
• and
• wherein the stopper includes a hollow portion which allows the lubricant to flow through an interior of the stopper.