Gas turbine engine lubrication system
A system for supplying lubricant to a component of a gas turbine engine is provided. The system includes a first fluid circuit having a first pump drivably couplable to a fan shaft of the engine for pumping a lubricant from a lubricant tank to the component. The first fluid circuit allows only a uni...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A system for supplying lubricant to a component of a gas turbine engine is provided. The system includes a first fluid circuit having a first pump drivably couplable to a fan shaft of the engine for pumping a lubricant from a lubricant tank to the component. The first fluid circuit allows only a unidirectional flow of the lubricant from the lubricant tank to the component via the first pump. The system also includes a second fluid circuit having a second pump drivably couplable to the fan shaft for pumping the lubricant from the component to the lubricant tank. The second fluid circuit allows only a unidirectional flow of the lubricant from the component to the lubricant tank via the second pump. First and second ports of the two pumps operate as input ports or output ports depending on the rotation direction of the fan shaft. |
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