Inner diameter scallop case flange for a case of a gas turbine engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-025/24
F01D-025/14
출원번호
US-0735299
(2015-06-10)
등록번호
US-9856753
(2018-01-02)
발명자
/ 주소
Chow, Wai Tuck
Ivanov, Oleg
Prihar, Ron I
출원인 / 주소
United Technologies Corporation
대리인 / 주소
Bachman & LaPointe, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
23
초록▼
A case for a gas turbine engine incudes a radial flange with a partial scallop along an inner diameter of the radial flange. A case assembly for a gas turbine engine incudes a first case with a first radial flange with a partial scallop along an inner diameter of the first radial flange, the partial
A case for a gas turbine engine incudes a radial flange with a partial scallop along an inner diameter of the radial flange. A case assembly for a gas turbine engine incudes a first case with a first radial flange with a partial scallop along an inner diameter of the first radial flange, the partial scallop adjacent to a first aperture through the first radial flange and a second case with a second radial flange with a second aperture through the second radial flange, the second radial flange mountable to the first radial flange at an interface such that the second aperture is axially aligned with the first aperture and a seal lip that extends from the second case interfaces with said first case at a longitudinal interface.
대표청구항▼
1. A case for a gas turbine engine, comprising: a radial flange with a partial scallop; anda scallop along an outer diameter of the radial flange, the scallop forms a radius of 0.25 inch (6.35 mm), wherein a circle defined around an aperture in the radial flange tangentially interfaces with the inne
1. A case for a gas turbine engine, comprising: a radial flange with a partial scallop; anda scallop along an outer diameter of the radial flange, the scallop forms a radius of 0.25 inch (6.35 mm), wherein a circle defined around an aperture in the radial flange tangentially interfaces with the inner diameter of the radial flange, the outer diameter of the radial flange, the partial scallop, and the scallop. 2. The case as recited in claim 1, wherein the partial scallop is along an inner diameter of the radial flange of an outer engine case. 3. The case as recited in claim 1, wherein the partial scallop is along an outer diameter the radial flange of an inner engine case. 4. The case as recited in claim 1, wherein the partial scallop forms a radius of 0.25 inch (6.35 mm). 5. The case as recited in claim 1, wherein the partial scallop forms an inner radius of 0.25 inch (6.35 mm) formed from a face of the radial flange portion. 6. The case as recited in claim 1, wherein a web thickness around an aperture in the radial flange is equivalent with respect to the inner diameter of the radial flange, the outer diameter of the radial flange, the partial scallop and the scallop. 7. A case assembly for a gas turbine engine, comprising: a first case with an a first radial flange with a partial scallop along an inner diameter of the first radial flange, the partial scallop adjacent to a first aperture through the first radial flange, wherein a web thickness around an aperture in the first radial flange is equivalent with respect to the inner diameter of the first radial flange, an outer diameter of the first radial flange, and the partial scallop;a scallop along an outer diameter of the radial flange; anda second case with a second radial flange with a second aperture through the second radial flange, the second radial flange mountable to the first radial flange at an interface such that the second aperture is axially aligned with the first aperture and a seal lip that extends from the second case interfaces with said first case at a longitudinal interface. 8. The case assembly as recited in claim 7, wherein the seal lip that extends from the second case includes an undercut adjacent to the longitudinal interface. 9. The case assembly as recited in claim 7, wherein the scallop forms a radius of 0.25 inch (6.35 mm). 10. The case assembly as recited in claim 9, wherein the partial scallop forms a radius of 0.25 inch (6.35 mm). 11. The case assembly as recited in claim 10, wherein the partial scallop forms an inner radius of 0.25 inch (6.35 mm) formed from a face of the radial flange portion. 12. A case assembly for a gas turbine engine, comprising: a first case with a first radial flange with a partial scallop along an inner diameter of the first radial flange, the partial scallop adjacent to a first aperture through the first radial flange; anda second case with a second radial flange with a second aperture through the second radial flange, the second radial flange mountable to the first radial flange at an interface such that the second aperture is axially aligned with the first aperture and a seal lip that extends from the second case interfaces with said first case at a longitudinal interface, wherein a circle defined around the first aperture in the first radial flange tangentially interfaces with the inner diameter of the radial flange, the outer diameter of the radial flange, and the partial scallop. 13. The case assembly as recited in claim 7, further comprising a heat shield that includes a distal end that interfaces with a step in the first case forward of the radial flange interface. 14. The case assembly as recited in claim 7, further comprising a fastener with a “D” head that is received through the first and second aperture.
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