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公开(公告)号：US10247036B2
公开(公告)日：2019-04-02
申请号：US14651702
申请日：2013-12-10
Applicant: General Electric Company
Inventor： Kevin Michael Do , Keith Lloyd Jones
Abstract: A pressure fed oil drain for gas turbine engine (10) includes an oil sump (48) and a passage (60, 63) in selective flow communication with the oil sump (48), the passage in flow communication with a drain (62), the passage being pressurized and creating a differential between the passage and ambient atmosphere (65), the drain is disposed at an elevation beneath a passage feature (64) when the turbine engine is disposed at an extreme attitude angle, the passage (63) extending upwardly when in the extreme attitude angle.
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