Lubrication – Systems – Gas turbine
Reexamination Certificate
2004-06-29
2008-05-06
Ridley, Richard (Department: 3682)
Lubrication
Systems
Gas turbine
C184S006210, C184S006240, C184S066000, C415S112000
Reexamination Certificate
active
07367427
ABSTRACT:
A lubrication system for supplying lubricants between two environments is provided. The first environment is disposed within a first housing and the second environment is disposed within a second housing having a supply opening and an exhaust opening. The system includes a lubricant supply tube disposed within the supply opening and configured to supply lubricant from the first environment to the second environment. The system also includes a receptacle disposed within the second housing and configured to receive lubricant supplied from the supply tube and to hold a predetermined volume of the lubricant. A check valve is disposed within the second housing and is in fluid communication with the exhaust opening. The check valve is configured to receive overflow lubricant from the receptacle, if the lubricant exceeds the predetermined volume and to provide a seal between the first and second environments in response to a pressure differential therebetween.
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Gaines Louie T.
Geck Kellan P.
Langston Todd A.
Mathis David M.
Zonneveld Jennifer L.
Pilkington James
Ridley Richard
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