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1. (WO2018089067) PROPULSION ENGINE FOR AIRCRAFT

Pub. No.:    WO/2018/089067    International Application No.:    PCT/US2017/046193
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Fri Aug 11 01:59:59 CEST 2017
IPC: F02K 5/00
F02C 6/20
Applicants: GENERAL ELECTRIC COMPANY
Inventors: NIERGARTH, Daniel, Alan
VONDRELL, Randy, M.
MILLER, Brandon, Wayne
MARRINAN, Patrick, Michael
PASTOUCHENKO, Nikolai, N.
CHEUNG, Lawrence, Chih-hui
Title: PROPULSION ENGINE FOR AIRCRAFT
Abstract:
A propulsion system (300) for an aircraft (10) includes an electric propulsion engine. The electric propulsion engine includes an electric motor (334) and a fan (304) rotatable about a central axis (302) of the electric propulsion engine by the electric motor. The electric propulsion engine also includes a bearing (340) supporting rotation of the fan and a thermal management system. The thermal management system includes a lubrication oil circulation assembly and a heat exchanger (356) thermally connected to the lubrication oil circulation assembly. The lubrication oil circulation assembly is configured for providing the bearing with lubrication oil.