公开(公告)号：US11731772B2

公开(公告)日：2023-08-22

申请号：US15896383

申请日：2018-02-14

Applicant: Bell Helicopter Textron Inc.

Inventor： Carlos Alexander Fenny ,  John Robert Wittmaak, Jr. ,  Mike John Ryan ,  Joseph Scott Drennan

IPC: B64D27/24 ,  B64C29/00 ,  F01D15/10 ,  B64D27/02

CPC classification number: B64D27/24 ,  B64C29/0033 ,  F01D15/10 ,  B64D2027/026 ,  F05D2220/328 ,  F05D2220/76 ,  Y02T50/60

Abstract: The present invention includes a hybrid propulsion system for an aircraft comprising: one or more turboshaft engines that provide shaft power and are capable of providing thrust; at least one of: one or more electrical generators or one or more hydraulic pumps connected to a shaft of the one or more turboshaft engines; and at least two rotatable nacelles, each nacelle housing at least one of: one or more electric motors or one or more hydraulic motors each connected to a proprotor, wherein the electric motor is electrically connected to the electric generator, or the hydraulic motor is connected to the hydraulic pump, respectively, wherein the proprotors provide lift whenever the aircraft is in vertical takeoff and landing and stationary flight, and provide thrust whenever the aircraft is in forward flight.

公开(公告)号：US20180251226A1

公开(公告)日：2018-09-06

申请号：US15896383

申请日：2018-02-14

Applicant: Bell Helicopter Textron Inc.

Inventor： Carlos Alexander Fenny ,  John Robert Wittmaak, JR. ,  Mike John Ryan ,  Joseph Scott Drennan

IPC: B64D27/24 ,  B64C29/00 ,  B64D29/00

CPC classification number: B64D27/24 ,  B64C27/28 ,  B64C29/0033 ,  B64D29/00 ,  B64D2027/005 ,  B64D2027/026 ,  F01D15/10 ,  F05D2220/328 ,  F05D2220/76 ,  Y02T50/671

Abstract: The present invention includes a hybrid propulsion system for an aircraft comprising: one or more turboshaft engines that provide shaft power and are capable of providing thrust; at least one of: one or more electrical generators or one or more hydraulic pumps connected to a shaft of the one or more turboshaft engines; and at least two rotatable nacelles, each nacelle housing at least one of: one or more electric motors or one or more hydraulic motors each connected to a proprotor, wherein the electric motor is electrically connected to the electric generator, or the hydraulic motor is connected to the hydraulic pump, respectively, wherein the proprotors provide lift whenever the aircraft is in vertical takeoff and landing and stationary flight, and provide thrust whenever the aircraft is in forward flight.