Dual mode scavenge scoop
First Claim
Patent Images
1. A bearing compartment comprising:
- a bearing;
a buffer port for introducing an airflow into said compartment;
an oil supply nozzle for introducing a flow of oil into said compartment to lubricate said bearing and cool said compartment;
means for removing said oil from said compartment, said oil removing means comprising a port connected to an end wall of said compartment through which said oil exits said compartment, a scavenge scoop connected to said port for collecting oil, wherein said scavenge scoop has a first wall and a second wall at an angle to said first wall, said port having an exit pipe, said first wall terminating at a distance from and before reaching an entrance to said exit pipe, and a baffle mounted to said end wall and a separation device connected to said scavenge scoop for creating an oil collection region, wherein said first wall defines an upstream flow path leading to an upstream portion of said entrance and a downstream flow path leading to a downstream portion of said entrance, and wherein said baffle is mounted to said end wall upstream of said entrance and in said upstream flow path.
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Abstract
A system for removing oil from a bearing compartment has a port connected to an end wall of the compartment through which the oil exits the compartment, a scavenge scoop connected to the port for collecting the oil, and a separation device connected to the scavenge scoop for creating an oil collection region.
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Citations
11 Claims
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1. A bearing compartment comprising:
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a bearing; a buffer port for introducing an airflow into said compartment; an oil supply nozzle for introducing a flow of oil into said compartment to lubricate said bearing and cool said compartment; means for removing said oil from said compartment, said oil removing means comprising a port connected to an end wall of said compartment through which said oil exits said compartment, a scavenge scoop connected to said port for collecting oil, wherein said scavenge scoop has a first wall and a second wall at an angle to said first wall, said port having an exit pipe, said first wall terminating at a distance from and before reaching an entrance to said exit pipe, and a baffle mounted to said end wall and a separation device connected to said scavenge scoop for creating an oil collection region, wherein said first wall defines an upstream flow path leading to an upstream portion of said entrance and a downstream flow path leading to a downstream portion of said entrance, and wherein said baffle is mounted to said end wall upstream of said entrance and in said upstream flow path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification