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US 2010/0143094 A1Published application
Bearing-chamber pressure system
AssigneeRolls-Royce Deutschland Ltd & Co KG
InventorsArnaud Pisseloup, Brian Giessel
Life of this patent
Estimating the term…
Abstract
A gas turbine has a rear bearing chamber 2 including a bearing arrangement 1. A vent valve 14 vents the bearing chamber 2 as a function of relative pressure of the bearing chamber.
Claims20
A gas turbine, comprising:
- a rear bearing chamber;
- a first vent valve operably connected to the rear bearing chamber, the first vent valve constructed and arranged to allow venting of the rear bearing chamber as a function of a relative pressure of the rear bearing chamber.
Dependencies are inferred from the claim text.