公开(公告)号：US11168616B2

公开(公告)日：2021-11-09

申请号：US15980870

申请日：2018-05-16

Applicant: United Technologies Corporation

Inventor： Daniel Bernard Kupratis ,  Christopher J. Hanlon ,  William G Sheridan

IPC: F02C7/36 ,  F02C6/00 ,  F02C9/00 ,  F02K3/06 ,  F16H1/28 ,  H02K7/116 ,  H02K7/14 ,  H02K7/18

Abstract: A gas turbine engine according to an exemplary embodiment of this disclosure includes among other possible things, a fan section including a plurality of fan blades, a first electric motor assembly that provides a first drive input for driving the fan blades about an axis, a turbine section, and a geared architecture driven by the turbine section and coupled to the fan section to provide a second drive input for driving the fan blades, and second electric motor assembly is coupled to rotate the geared architecture relative to a fixed structure controls a speed of the fan blades provided by a combination of the first drive input and the second drive input.

公开(公告)号：US10718271B2

公开(公告)日：2020-07-21

申请号：US15992051

申请日：2018-05-29

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Daniel Bernard Kupratis ,  William G Sheridan

IPC: F02C7/36 ,  F01D15/10 ,  F16H37/08 ,  F16H48/08

Abstract: A power extraction and amplification system for a gas turbine engine is disclosed. In various embodiments, the power extraction and amplification system includes a low spool tower shaft configured for engagement with a low speed spool, a high spool tower shaft configured for engagement with a high speed spool, a first motor, a generator, a differential gear box operably coupled to the low spool tower shaft, to the first motor and to the generator, and a second motor operably coupled to the generator and the high spool tower shaft.