Compliant shaft with a recursive configuration for turbine engines
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-003/06
F02C-003/10
F02C-003/107
F02C-007/36
F16C-001/08
F16H-057/00
F01D-005/02
F16D-001/033
F16H-001/28
출원번호
US-0960502
(2015-12-07)
등록번호
US-10094335
(2018-10-09)
발명자
/ 주소
Ertas, Bugra Han
Fisher, Kenneth Lee
Bradley, Donald Albert
출원인 / 주소
GENERAL ELECTRIC COMPANY
대리인 / 주소
GE Global Patent Operation
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
Embodiments of a compliant shaft for engines are provided herein. In some embodiments, a compliant shaft for a turbine engine may include: a body having a first end configured to be coupled to a shaft of a turbine and a second end coupled to a gear of a gear box, wherein at least a portion of the bo
Embodiments of a compliant shaft for engines are provided herein. In some embodiments, a compliant shaft for a turbine engine may include: a body having a first end configured to be coupled to a shaft of a turbine and a second end coupled to a gear of a gear box, wherein at least a portion of the body is flexible.
대표청구항▼
1. A compliant shaft for a turbine engine, comprising: a body having a first end configured to be coupled to a shaft of a turbine and a second end coupled to a sun gear of a gear box, wherein at least a portion of the body prevents or corrects misalignments within the gear box caused by loads impose
1. A compliant shaft for a turbine engine, comprising: a body having a first end configured to be coupled to a shaft of a turbine and a second end coupled to a sun gear of a gear box, wherein at least a portion of the body prevents or corrects misalignments within the gear box caused by loads imposed on the turbine engine, wherein the body comprises:a first portion extending from the first end;a first curved portion extending from the first portion;a second portion extending from the first curved portion; anda second curved portion extending from the second portion to the second end, wherein the first portion, first curved portion, second portion and second curved portion form a recursive pattern disposed radially inward from the sun gear. 2. The compliant shaft of claim 1, wherein the body is integrally formed with the sun gear of the gear box. 3. The compliant shaft of claim 2, wherein the first portion, first curved portion, second portion and second curved portion are all disposed within a center hole of the sun gear. 4. The compliant shaft of claim 3, wherein the body is disposed through the center hole of the sun gear such that the first end of the body is disposed proximate a first side of the sun gear and the second end of the body is disposed proximate the first side of the gear. 5. The compliant shaft of claim 1, wherein the gear box is a reduction gear box. 6. The compliant shaft of claim 1, wherein the compliant shaft is fabricated from at least one of steel, titanium or nickel based alloys. 7. The compliant shaft of claim 1, wherein the first portion of the body is substantially straight. 8. A turbine engine, comprising: a fan having a fan shaft;a shaft rotatably coupling a turbine to a compressor;a gear box rotatably coupling the shaft to the fan shaft;a compliant shaft coupling the shaft to the gear box, comprising: a body having a first end configured to be coupled to the shaft of the turbine and a second end coupled to a sun gear of the gear box, wherein at least a portion of the body prevents or corrects misalignments within the gear box caused by loads imposed on the turbine engine; wherein the body comprises: a first portion extending from the first end;a first curved portion extending from the first portion;a second portion extending from the first curved portion; anda second curved portion extending from the second portion to the second end, wherein the first portion, first curved portion, second portion and second curved portion form a recursive pattern disposed radially inward from the sun gear. 9. The turbine engine of claim 8, wherein the body is integrally formed with the sun gear of the gear box. 10. The turbine engine of claim 8, wherein the first portion, first curved portion, second portion and second curved portion are all disposed within a center hole of the sun gear. 11. The compliant shaft of claim 3, wherein the body is disposed through the center hole of the sun gear such that the first end of the body is disposed proximate a first side of the sun gear and the second end of the body is disposed proximate the first side of the gear. 12. The turbine engine of claim 8, wherein the gear box is a reduction gear box. 13. The turbine engine of claim 8, wherein the compliant shaft is fabricated from at least one of steel, titanium or nickel based alloys. 14. The turbine engine of claim 8, wherein the first portion of the body is substantially straight.
McCune, Michael E.; Husband, Jason; Schwarz, Frederick M.; Kupratis, Daniel Bernard; Suciu, Gabriel L.; Ackermann, William K., Geared architecture for high speed and small volume fan drive turbine.
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