公开(公告)号：US20180086444A1

公开(公告)日：2018-03-29

申请号：US15702912

申请日：2017-09-13

Applicant: Bell Helicopter Textron Inc.

Inventor： Scott David Poster ,  Walter Riley ,  Gary Cope ,  Charles Hubert Speller, JR.

IPC: B64C27/14 ,  B64D35/00 ,  F16H57/02 ,  F16H57/04 ,  F16H1/28 ,  F16D3/00

CPC classification number: B64C27/14 ,  B60T1/062 ,  B64C27/12 ,  B64D35/00 ,  F16C2326/43 ,  F16D3/00 ,  F16D55/00 ,  F16H1/28 ,  F16H57/02 ,  F16H57/0413 ,  F16H57/0416 ,  F16H57/0417 ,  F16H2057/02026 ,  F16H2057/02043

Abstract: The present invention includes an aircraft drive system comprising a main rotor gearbox comprising a first and a second input; a first drive system comprising a first engine reduction gearbox connecting a first engine to the first input of the main rotor gearbox at a reduced shaft speed; and a second drive system independent from and redundant with the first drive system, the second drive system comprising a second engine reduction gearbox connecting a second engine to the second input of the main rotor gearbox at the reduced shaft speed.

公开(公告)号：US20180087656A1

公开(公告)日：2018-03-29

申请号：US15709904

申请日：2017-09-20

Applicant: Bell Helicopter Textron Inc.

Inventor： Scott David Poster ,  Walter Riley ,  Gary Cope ,  Charles Hubert Speller, JR.

IPC: F16H57/04 ,  F16H57/02

CPC classification number: F16H57/0457 ,  B64C27/12 ,  B64D33/00 ,  F16H57/02 ,  F16H57/0449 ,  F16H2057/02013 ,  F16H2057/02034 ,  F16H2057/02082

Abstract: A non-pressurized accessory gearbox for an aircraft includes: a housing, one or more gears disposed within the housing, an input rotating member to receive input from a main rotor gearbox via a shaft connected to the one or more gears, and one or more output rotating members in communication with the one or more gears. The gearbox is configured to utilize splash lubrication for moving a lubrication fluid within the housing.

公开(公告)号：US20180087639A1

公开(公告)日：2018-03-29

申请号：US15709548

申请日：2017-09-20

Applicant: Bell Helicopter Textron Inc.

Inventor： Scott David Poster ,  Walter Riley ,  Gary Cope ,  Charles Hubert Speller, JR.

IPC: F16H37/04 ,  F16H57/02

CPC classification number: F16H37/042 ,  B64C27/14 ,  B64D35/00 ,  F16H57/02 ,  F16H2057/02013 ,  F16H2057/02043 ,  F16H2702/00

Abstract: An engine reduction gear system includes at least two self-contained, independent engine reduction gearboxes, each capable of connecting to an aircraft engine. Each of the engine reduction gearboxes provides redundant, reduced speed to a main rotor gearbox via a shaft.

公开(公告)号：US20200180757A1

公开(公告)日：2020-06-11

申请号：US16210489

申请日：2018-12-05

Applicant: Bell Helicopter Textron Inc.

Inventor： Scott David Poster ,  Charles Hubert Speller, JR. ,  Mark Adam Wiinikka

IPC: B64C27/605 ,  F01D5/02

Abstract: A swashplate assembly includes: a mounting sleeve configured for coupling to and around an upper portion of a gearbox, wherein the mounting sleeve extends downwards from the upper portion of the gearbox; a tilt sleeve coupled to the mounting sleeve, wherein the tilt sleeve has a curved exterior surface; a non-rotating swashplate ring positioned around the tilt sleeve, wherein the non-rotating swashplate ring has a first set of pitch control connectors and an anti-rotation connector; a rotating swashplate ring rotatable about the non-rotating swashplate ring, wherein the rotating swashplate ring has a second set of pitch control connectors and a drive link connector; and a first bearing system mounted between the non-rotating swashplate ring and the rotating swashplate ring.

公开(公告)号：US20190338847A1

公开(公告)日：2019-11-07

申请号：US15967843

申请日：2018-05-01

Applicant: Bell Helicopter Textron Inc.

Inventor： Scott David Poster ,  Charles Hubert Speller, JR.

IPC: F16H57/08 ,  F16H1/28 ,  B64C27/14 ,  B64D35/00 ,  C21D9/32

Abstract: A planetary gear system includes a planetary gear carrier having three or more posts extending from the planetary gear carrier, each post having a hardened exterior surface, and a planet pinion gear in contact with the hardened exterior surface of each post.

公开(公告)号：US20180017153A1

公开(公告)日：2018-01-18

申请号：US15702882

申请日：2017-09-13

Applicant: Bell Helicopter Textron Inc.

Inventor： Charles Hubert Speller, JR. ,  Scott David Poster ,  Walter Riley

IPC: F16H57/04 ,  F16H57/027 ,  F16H1/28 ,  F16H57/08 ,  B64C27/14 ,  F16H57/02

CPC classification number: F16H57/0416 ,  B64C27/14 ,  B64D35/00 ,  F16H1/28 ,  F16H57/027 ,  F16H57/0482 ,  F16H57/08 ,  F16H57/082 ,  F16H2057/02043

Abstract: A ring gear includes a ring having one or more sets of inwardly facing teeth, a circumferential flange extending outward from the ring, and the flange is mounted between a first housing and a second housing. In addition, the flange protrudes into an ambient air outside the first housing and second housing.