公开(公告)号：US11073107B1

公开(公告)日：2021-07-27

申请号：US16752020

申请日：2020-01-24

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Daniel Bernard Kupratis ,  Paul R Hanrahan

IPC: F02K3/06 ,  F02C3/04 ,  F02C7/36

Abstract: A hybrid electric gas turbine engine includes a fan section having a fan, a turbine section having a turbine drivably connected to the fan through a main shaft that extends along a central longitudinal axis, a gas generating core extending along a first axis that is radially offset from the central longitudinal axis, a first electric motor drivably connected to the main shaft, wherein the electric motor is colinear with the main shaft, and an electric compressor extending along a second axis that is radially offset from the central longitudinal axis, the electric compressor in fluid communication with the second turbine section.

公开(公告)号：US10794193B2

公开(公告)日：2020-10-06

申请号：US15244281

申请日：2016-08-23

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Daniel Bernard Kupratis ,  Mary Colby ,  Paul R Hanrahan ,  Frederick M Schwarz

IPC: F01D5/14 ,  F01D5/28 ,  F04D29/32 ,  F01D25/00

Abstract: An air foil includes a body and a filler. The body may include a chamber formed therein and includes a first metallic material. The filler may at least partially occupy the chamber of the body and may include a second metallic material. The second metallic material may have a comparatively more negative electrode potential than the first metallic material.