Turbomachine wheel assembly having slotted flanges
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-005/06
B23P-015/00
F01D-005/02
F16B-039/01
출원번호
US-0672253
(2012-11-08)
등록번호
US-9279325
(2016-03-08)
발명자
/ 주소
Nanivadekar, Meelan Ravindra
Mishra, Anil
Shankara, Chethan
출원인 / 주소
General Electric Company
대리인 / 주소
Cusick, Ernest G.
인용정보
피인용 횟수 :
0인용 특허 :
47
초록▼
A turbomachine wheel assembly having slotted flanges includes a turbomachine wheel having a first wheel arm and a second, opposing wheel arm. The first wheel arm includes a first flange having a first radially outer surface and the second wheel arm includes a second flange having a second radially o
A turbomachine wheel assembly having slotted flanges includes a turbomachine wheel having a first wheel arm and a second, opposing wheel arm. The first wheel arm includes a first flange having a first radially outer surface and the second wheel arm includes a second flange having a second radially outer surface. The second flange includes a fastener retaining member extending axially outwardly from the second radially outer surface and an opening extending axially through the flange at the fastener retaining member. The fastener retaining member includes at least one wall section extending radially inward from the second radial outer surface.
대표청구항▼
1. A turbomachine wheel assembly having slotted flanges comprising: a turbomachine wheel including a first wheel arm and a second, opposing wheel arm, the first wheel arm including a first flange having a first radially outer surface and a second wheel arm including a second flange having a second r
1. A turbomachine wheel assembly having slotted flanges comprising: a turbomachine wheel including a first wheel arm and a second, opposing wheel arm, the first wheel arm including a first flange having a first radially outer surface and a second wheel arm including a second flange having a second radially outer surface, the second flange including a fastener retaining member extending axially outwardly from the second radially outer surface and an opening extending axially through the second flange at the fastener retaining member, the fastener retaining member including at least one wall section extending radially inward from the second radially outer surface. 2. The wheel assembly according to claim 1, wherein the second flange includes an outer diametric surface and an inner diametric surface, the fastener retaining member extending from the inner diametric surface. 3. The wheel assembly according to claim 1, wherein the at least one wall section includes a first wall section and a second wall section. 4. The wheel assembly according to claim 3, wherein the at least one wall section includes a taper. 5. The wheel assembly according to claim 3, further comprising: a mechanical fastener positioned at the fastener retaining member, the mechanical fastener being configured and disposed to abut the at least one wall section. 6. The wheel assembly according to claim 5, wherein the mechanical fastener comprises a D-nut. 7. The wheel assembly according to claim 5, further comprising: a spacer including a wheel mounting zone abutting the second flange, the wheel mounting zone having a passage extending axially through the spacer, the passage being configured and disposed to register with the opening extending through the second flange. 8. The wheel assembly according to claim 7, further comprising: a mechanical fastener element extending through the passage into the opening, the mechanical fastener element operatively engaging with the mechanical fastener arranged at the fastener retaining member. 9. The wheel assembly according to claim 7, wherein the wheel mounting zone includes a rabbet defining a wheel support surface configured and disposed to adjoin the second radially outer surface of the spacer. 10. The wheel assembly according to claim 1, wherein the second flange includes a rabbet extending radially inwardly from the second radially outer surface. 11. The wheel assembly according to claim 1, further comprising: a keyway provided in the fastener retaining member. 12. The wheel assembly according to claim 11, wherein the keyway extends into the at least one wall section. 13. The wheel assembly according to claim 12, further comprising: a mechanical fastener provided at the fastener retaining member, the mechanical fastener including one or more key elements configured and disposed to nest within the keyway to axially constrain the mechanical fastener when the wheel assembly is generally vertically assembled. 14. A method of joining a spacer to a wheel assembly in a turbomachine, the method comprising: installing a mechanical fastener at a fastener retaining member extending axially outwardly from a diametric surface adjacent a radially outer surface of a flange provided on a wheel arm of the wheel assembly;constraining rotation of the mechanical fastener through an interaction with the fastener retaining member;positioning a spacer adjacent to the wheel arm;aligning a passage extending through the spacer with an opening extending through the flange at the fastener retaining member;positioning a mechanical fastener element through the passage and into the opening; andoperatively connecting the mechanical fastener element with the mechanical fastener. 15. The method according to claim 14, wherein constraining rotation of the mechanical fastener includes abutting an outer surface of the mechanical fastener with at least one wall section of the fastener retaining member. 16. The method according to claim 15, wherein abutting the outer surface of the mechanical fastener with the at least one wall section includes abutting the outer surface of the mechanical fastener with a tapered surface of the fastener retaining member. 17. The method according to claim 14, further comprising: axially retaining the mechanical fastener by engaging a key element provided on the mechanical fastener with a keyway provided in the fastener retaining member. 18. The method of claim 14, wherein positioning the spacer adjacent to the wheel assembly includes adjoining a wheel surface formed by a rabbet on the spacer with the radially outer surface of the flange. 19. The method of claim 14, wherein positioning the spacer adjacent to the wheel assembly includes supporting the wheel assembly on a spacer support surface defined by a rabbet formed in the flange. 20. The method of claim 14, further comprising: operatively connecting another mechanical fastener to the mechanical fastener element, the another mechanical fastener securing the spacer to an opposing flange of the wheel assembly.
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