Oil feed management system

A reduction gear box system of a gas turbine engine, comprising:

• a reduction gear box having one or more journal bearings therein;
• a lubricant reservoir configured to provide a flow of oil to the reduction gearbox, the lubricant reservoir including:
• a housing;
• a volume of oil disposed in the housing;
• a reservoir passage extending through the housing from a first housing wall to a second housing wall opposite the first housing wall, the reservoir passage configured to provide the flow of oil to the one or more journal bearings;
• one or more side passages extending from the reservoir passage into an interior of the housing configured to selectably fill or drain the volume of oil;
• an output passage extending from the housing separate and distinct from the reservoir passage;
• and
• a separator wall extending into the interior of the housing from the first housing wall toward the second housing wall and between the reservoir passage and the output passage;
• wherein when the lubricant reservoir is in a first orientation, the lubricant reservoir is filled via oil flowed through the reservoir passage from the first housing end;
• and
• wherein when operated in a negative G orientation, the lubricant reservoir is drained via oil flowed through the reservoir passage and out of the second housing end.

A gas turbine engine, comprising:

• a turbine shaft;
• a propeller including a plurality of propeller blades, the propeller driven by a propeller shaft;
• a reduction gear box operably connecting the turbine shaft to the propeller shaft;
• a lubricant reservoir configured to provide a flow of oil to the reduction gearbox, the lubricant reservoir including:
• a housing;
• a volume of oil disposed in the housing;
• a reservoir passage extending through the housing from a first housing wall to a second housing wall opposite the first housing wall, the reservoir passage configured to provide the flow of oil to the one or more journal bearings of the reduction gear box;
• one or more side passages extending from the reservoir passage into an interior of the housing configured to selectably fill or drain the volume of oil;
• an output passage extending from the housing separate and distinct from the reservoir passage;
• and
• a separator wall extending into the interior of the housing from the first housing wall toward the second housing wall and between the reservoir passage and the output passage;
• wherein when the lubricant reservoir is in a first orientation, the lubricant reservoir is filled via oil flowed through the reservoir passage from the first housing end;
• and
• wherein when operated in a negative G orientation, the lubricant reservoir is drained via oil flowed through the reservoir passage and out of the second housing end.