Resilient bearing pin and gear assemblies including resilient bearing pins
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16H-057/08
F16H-001/28
F16C-025/08
F16C-019/28
F02C-007/36
F01D-025/16
출원번호
US-0402637
(2017-01-10)
등록번호
US-10247298
(2019-04-02)
발명자
/ 주소
Hallman, Darren Lee
출원인 / 주소
GENERAL ELECTRIC COMPANY
대리인 / 주소
GE Global Patent Operation
인용정보
피인용 횟수 :
0인용 특허 :
26
초록▼
A bearing pin assembly includes a bearing pin including a substantially rigid pin body. The bearing pin assembly also includes a resilient section disposed about the substantially rigid pin body. The resilient section is configured to facilitate bending of the bearing pin during operational loading
A bearing pin assembly includes a bearing pin including a substantially rigid pin body. The bearing pin assembly also includes a resilient section disposed about the substantially rigid pin body. The resilient section is configured to facilitate bending of the bearing pin during operational loading of the bearing pin.
대표청구항▼
1. A bearing pin assembly comprising: a bearing pin comprising a substantially rigid pin body;a resilient section disposed about said substantially rigid pin body, said resilient section configured to facilitate bending of said bearing pin during operational loading of said bearing pin;at least one
1. A bearing pin assembly comprising: a bearing pin comprising a substantially rigid pin body;a resilient section disposed about said substantially rigid pin body, said resilient section configured to facilitate bending of said bearing pin during operational loading of said bearing pin;at least one spring element disposed within said resilient section; andwherein said resilient section comprises a first material having a first material stiffness and said at least one spring element comprises a second material having a second material stiffness, wherein the second material stiffness is less than the first material stiffness. 2. The bearing pin assembly in accordance with claim 1, wherein said resilient section comprises an annular sleeve coupled to said substantially rigid pin body, wherein said substantially rigid pin body extends axially through said annular sleeve. 3. The bearing pin assembly in accordance with claim 1, wherein said bearing pin comprises a forward end and an aft end axially opposite said forward end, said substantially rigid pin body extends between said forward end and said aft end. 4. The bearing pin assembly in accordance with claim 1, wherein said at least one spring element is integrally formed with said resilient section. 5. The bearing pin assembly in accordance with claim 1, wherein said at least one spring element is one of a helical spring, a disc spring, a beam spring, a wave spring, and a bellows. 6. The bearing pin assembly in accordance with claim 1, wherein said second material is one of aluminum, titanium, lead, magnesium, and a polymer. 7. A gear having an axis of rotation, said gear comprising: an outer gear rim;a plurality of roller elements disposed about the axis of rotation and radially inward of said outer gear rim;a bearing pin assembly extending through said outer gear rim along the axis of rotation, said bearing pin assembly comprising: a bearing pin comprising a substantially rigid pin body; anda resilient section disposed about said substantially rigid pin body, said resilient section configured to facilitate bending of said bearing pin during operational loading of said bearing pin;at least one spring element disposed within said resilient section; andwherein said resilient section comprises a first material having a first material stiffness and said at least one spring element comprises a second material having a second material stiffness, wherein the second material stiffness is less than the first material stiffness. 8. The gear in accordance with claim 7, wherein said resilient section comprises an annular sleeve coupled to said substantially rigid pin body, wherein said substantially rigid pin body extends axially through said annular sleeve. 9. The gear in accordance with claim 7, wherein said bearing pin comprises a forward end and an aft end axially opposite said forward end, said substantially rigid pin body extends between said forward end and said aft end. 10. The gear in accordance with claim 7, wherein said at least one spring element is integrally formed with said resilient section. 11. The gear pin in accordance with claim 10, wherein said at least one spring element is one of a helical spring, a disc spring, a beam spring, a wave spring, and a bellows. 12. The gear in accordance with claim 7, wherein said second material is one of aluminum, titanium, lead, magnesium, and a polymer. 13. An epicyclic gear assembly comprising: a sun gear;a ring gear;a plurality of planet gears coupled to said ring gear and said sun gear, at least one planet gear of said plurality of planet gears having an axis of rotation, said at least one planet gear comprising: an outer gear rim;a plurality of roller elements disposed about the axis of rotation and radially inward of said outer gear rim; anda bearing pin assembly extending through said outer gear rim along the axis of rotation, said bearing pin assembly comprising: a bearing pin comprising a substantially rigid pin body; anda resilient section disposed about said substantially rigid pin body, said resilient section configured to facilitate bending of said bearing pin during operational loading of said bearing pin; andat least one spring element disposed within said resilient section, wherein said resilient section comprises a first material having a first material stiffness and said at least one spring element comprises a second material having a second material stiffness, wherein the second material stiffness is less than the first material stiffness. 14. The epicyclic gear assembly in accordance with claim 13, wherein said resilient section comprises an annular sleeve coupled to said substantially rigid pin body, wherein said substantially rigid pin body extends axially through said annular sleeve. 15. The epicyclic gear assembly in accordance with claim 13, further comprising at least one spring element disposed within said resilient section, wherein said at least one spring element is one of a helical spring, a disc spring, a beam spring, a wave spring, and a bellows.
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