公开(公告)号：US20150089918A1

公开(公告)日：2015-04-02

申请号：US14500123

申请日：2014-09-29

Applicant: United Technologies Corporation

Inventor： Christopher M. Valva ,  Todd M. Lapierre

IPC: F02C7/06 ,  F01D25/20 ,  F01D25/24

CPC classification number: F01D25/20 ,  F01M11/02 ,  F02C7/36 ,  F05D2260/40311

Abstract: A casing for a fan drive gear system includes a cast body with an upper and a lower portion. The cast body defines an oil inlet and an oil outlet arranged below the oil outlet. An integrally cast oil channel extends between the inlet and outlet for conveying oil from the upper portion of the cast body portion to the lower portion of the cast body for providing a supply of lubrication to the gear system when oil pools in an upper portion of an auxiliary oil reservoir during negative-G flight events.

Abstract translation: 用于风扇驱动齿轮系的壳体包括具有上部和下部的铸造体。 铸造体定义出油口和布置在出油口下方的出油口。 整体铸造油通道在入口和出口之间延伸，用于将油从铸体主体部分的上部输送到铸体的下部，以便在油藏在上部的油中时向齿轮系提供润滑 负G飞行期间辅助油藏。

公开(公告)号：US09739173B2

公开(公告)日：2017-08-22

申请号：US14500123

申请日：2014-09-29

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Christopher M. Valva ,  Todd M. Lapierre

IPC: F01D25/20 ,  F02C7/36 ,  F01M11/02

CPC classification number: F01D25/20 ,  F01M11/02 ,  F02C7/36 ,  F05D2260/40311

Abstract: A casing for a fan drive gear system includes a cast body with an upper and a lower portion. The cast body defines an oil inlet and an oil outlet arranged below the oil outlet. An integrally cast oil channel extends between the inlet and outlet for conveying oil from the upper portion of the cast body portion to the lower portion of the cast body for providing a supply of lubrication to the gear system when oil pools in an upper portion of an auxiliary oil reservoir during negative-G flight events.