Patent ID: 11920672
Assignee: UNISON INDUSTRIES, LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. An air turbine starter comprising:
a housing having a wall dividing the housing into a wet chamber and an air chamber, with the air chamber having an air supply inlet and an air supply outlet;
a bearing assembly having a bearing housing defining an interior, and a set of bearings provided within the interior, with at least a portion of the bearing housing being provided within the air chamber;
a turbine member located within the air chamber, the turbine member being rotational coupled to a first drive shaft rotatably mounted in the bearing assembly, with the first drive shaft forming a first rotational axis;
a rotating assembly located within the wet chamber, the rotating assembly being rotationally coupled to a second drive shaft, with the second drive shaft forming a second rotational axis, the rotating assembly including at least one of a gear assembly or a clutch assembly; and
a lubricant supply portion having:
a lubricant supply inlet fluidly coupled to the wet chamber; and
a lubricant supply outlet fluidly coupled to the bearing assembly and being provided axially closer to an axially forwardmost portion of the bearing housing, with respect to the first rotational axis, than each bearing of the set of bearings provided within the interior;

wherein lubricant from the wet chamber is supplied to the bearing assembly through the lubricant supply portion.