Importance

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Abstract

A lubrication system for a turbine engine. The turbine engine includes a propulsor and rotating components. The lubrication system includes a sump, a primary lubrication system, an auxiliary lubrication system, and a kinetic energy storage system. The sump stores lubricant. The primary lubrication system supplies the lubricant from the sump to the rotating components during normal operation of the turbine engine. The auxiliary lubrication system includes an auxiliary pump. The kinetic energy storage system includes a rotating lubricant accumulator. The auxiliary pump pumps the lubricant from the sump to the rotating lubricant accumulator to at least partially fill the rotating lubricant accumulator with the lubricant during the normal operation of the turbine engine to store kinetic energy. The rotating lubricant accumulator releases the kinetic energy when the propulsor is windmilling to supply the lubricant from the rotating lubricant accumulator to the rotating components.

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First Claim