Fan drive gear system rotating oil baffle

A fan drive gear system for a turbine engine comprising:

• a sun gear configured to be driven by an engine shaft rotatable about an axis;
• a plurality of intermediate gears intermeshed with the sun gear;
• a ring gear assembly engaged with the plurality of intermediate gears, the ring gear configured for attachment to a static structure;
• a carrier supporting rotation of the plurality of intermediate gears, the carrier is configured for rotation about the axis, wherein the carrier includes a forward face and an aft face;
• at least one baffle attached to the carrier configured to impart a momentum on expelled lubricant, wherein the at least one baffle comprises a forward baffle attached to the forward face and an aft baffle attached to the aft face;
• a fixed gutter disposed radially outside the at least one baffle and configured to receive lubricant exhausted from the at least one baffle, wherein the fixed gutter comprises a forward gutter radially outside the forward baffle and an aft gutter radially outside the aft baffle;
• and
• a fan shaft rotatable about the axis and configured to be driven by the carrier, wherein the forward gutter and the aft gutter each include a channel where oil is received from a corresponding one of the forward baffle and the aft baffle and a sealing surface for generating a seal with a seal attached to a corresponding one of the forward baffle and the aft baffle.

A turbine engine assembly comprising:

• a static engine structure;
• a fan section including a fan shaft coupled to a hub supporting a plurality of blades rotatable about an axis;
• a fan drive gear system including;
• a sun gear configured to be driven by an engine shaft rotatable about the axis, a plurality of intermediate gears;
• a ring gear assembly fixed to the engine static structure;
• a carrier supporting rotation of the plurality of intermediate gears, the carrier rotatable about the axis and coupled to drive the fan shaft;
• and
• a forward baffle attached to a forward face of the carrier and configured to impart a momentum on lubricant expelled forward of the fan drive gear system;
• an aft baffle attached to an aft face of the carrier and configured to impart moment on lubricant expelled aft of the fan drive gear system;
• a forward gutter disposed radially outside the forward baffle and fixed to the engine static structure, the forward gutter configured to receive lubricant exhausted from the forward baffle;
• an aft gutter disposed radially outside the aft baffle and fixed to the engine static structure, the aft gutter configured to receive lubricant exhausted from the aft baffle, wherein the forward gutter and the aft gutter each include a channel where lubricant is received from a corresponding one of the forward baffle and the aft baffle and a sealing surface for generating a seal with a seal attached to a corresponding one of the forward baffle and the aft baffle;
• a primary lubricant system communicating lubricant to the fan drive gear system;
• and
• an auxiliary lubricant system including an auxiliary reservoir configured to receive lubricant expelled from the fan drive gear system and communicated through at least one of the forward gutter and the aft gutter.

A lubrication system for a gas turbine engine comprising:

• a forward baffle configured for attachment to a forward face of a rotating carrier and configured to impart a momentum on lubricant expelled forward of a fan drive gear system;
• an aft baffle configured for attachment to an aft face of the rotating carrier and configured to impart moment on lubricant expelled aft of the fan drive gear system;
• a forward gutter disposed radially outside the forward baffle and configured to be fixed to an engine static structure, the forward gutter configured to receive lubricant exhausted from the forward baffle;
• an aft gutter disposed radially outside the aft baffle and configured to be fixed to the engine static structure, the aft gutter configured to receive lubricant exhausted from the aft baffle, wherein at least one of the forward gutter and the aft gutter include a channel where lubricant is received from a corresponding one of the forward baffle and the aft baffle and a sealing surface for generating a seal with a seal attached to a corresponding one of the forward baffle and the aft baffle;
• a primary lubricant system communicating lubricant to the fan drive gear system;
• and
• an auxiliary lubricant system including an auxiliary reservoir configured to receive lubricant expelled from the fan drive gear system and communicated through at least one of the forward gutter and the aft gutter.