COMBUSTOR SPRING CLIP SEAL SYSTEM
First Claim
1. A turbine engine sealing system comprising:
- a liner having an outer peripheral surface and an exit end;
a spring clip seal having an inner peripheral surface and an outer peripheral surface, the spring clip seal tapering from a first end having a first diameter to a second end having a second diameter that is smaller than the first diameter; and
a spacer disposed between and operatively engaging each of the second end of the spring clip seal and the outer peripheral surface of the liner, the spacer being attached to outer peripheral surface of the liner, whereby the second end of the spring clip seal is spaced from the outer peripheral surface of the liner.
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Accused Products
Abstract
Aspects of the invention are directed to a sealing system for the interface between a combustor liner and transition duct. The system includes a spring clip seal. A first end of the spring clip seal operatively engages the inner peripheral surface of the transition duct. A second end of the spring clip seal is indirectly attached to the liner by an insert disposed therebetween. The spring clip seal can be attached to the insert by any kind of welding process that does not involve melting of the spring clip seal and the insert, such as fillet welding. The insert and the liner can be attached in a similar manner. Because fillet welds are relatively easy to cut, the spring clip, insert and liner can be separated without the need for cutting any of these individual components. Thus, the system can facilitate the repair, disassembly and reassembly of the interface.
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Citations
20 Claims
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1. A turbine engine sealing system comprising:
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a liner having an outer peripheral surface and an exit end; a spring clip seal having an inner peripheral surface and an outer peripheral surface, the spring clip seal tapering from a first end having a first diameter to a second end having a second diameter that is smaller than the first diameter; and a spacer disposed between and operatively engaging each of the second end of the spring clip seal and the outer peripheral surface of the liner, the spacer being attached to outer peripheral surface of the liner, whereby the second end of the spring clip seal is spaced from the outer peripheral surface of the liner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A turbine engine sealing system comprising:
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a liner having an outer peripheral surface and an exit end; a spring clip seal having an inner peripheral surface and an outer peripheral surface, the spring clip seal tapering from a first end having a first diameter to a second end having a second diameter that is smaller than the first diameter; and a separately-formed insert disposed between the second end of the spring clip seal and the outer peripheral surface of the liner, the second end of the spring clip seal being attached to the insert by a first fillet weld, and the insert being attached to outer peripheral surface of the liner by a second fillet weld. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method of attaching a spring clip seal comprising the steps of:
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providing a liner having an outer peripheral surface and an exit end; forming a spring clip seal having an inner peripheral surface and an outer peripheral surface, the spring clip seal tapering from a first end having a first diameter to a second end having a second diameter that is smaller than the first diameter; forming a spacer; positioning the spacer on the outer peripheral surface of the liner so that the spacer operatively engages each of the second end of the spring clip seal and the outer peripheral surface of the liner; and forming a first weld joint to attach the spacer to the outer peripheral surface of the liner, wherein the first weld joint is formed such that the spacer and the liner do not melt. - View Dependent Claims (17, 18, 19, 20)
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Specification