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US 8,020,665 B2Granted
Lubrication system with extended emergency operability
AssigneeUnited Technologies Corporation
InventorsWilliam G. Sheridan, Lawrence E. Portlock, Michael E. McCune
Life of this patent
Estimating the term…
Abstract
A lubrication system, includes an auxiliary lubricant tank 48 and a supply conduit 58 extending from a source of lubricant 26 and through the auxiliary lubricant tank. A portion of the conduit resides within the tank and has an opening 136 for allowing lubricant transfer between the tank and the conduit.
Claims16
A lubrication system, comprising:
- a main lubricant tank configured to hold lubricant that is communicated from the main lubricant tank to a component along a first communication path;
- an auxiliary lubricant tank configured to hold lubricant that is communicated from the component to the auxiliary lubricant tank along a second communication path, the first communication path separate from the second communication path;
- and
- a conduit extending without interruption through the auxiliary lubricant tank, a portion of the conduit residing within the auxiliary lubricant tank having an opening for allowing lubricant transfer between the auxiliary lubricant tank and the conduit.
1 more element
A lubrication system for use with a gear train, the gear train including a ring gear and a gutter radially outboard of the ring gear, the lubrication system comprising:
- an auxiliary lubricant tank configured to receive a first portion of lubricant communicated from the gutter, the first portion of lubricant smaller than a second portion of lubricant communicated from the gutter to a sump;
- and
- a conduit extending without interruption through the auxiliary lubricant tank, a portion of the conduit residing within the tank having an opening for allowing lubricant transfer between the tank and the conduit.
Dependencies are inferred from the claim text.