IP Library Granted Patent US 11,352,895
Granted Patent B2
US 11,352,895 · App. 16/667,501 · Granted Jun 7, 2022

System for an improved stator assembly

Inventors: Sarah J. Zecha (Concord, NH); Brian Barainca (Kennebunk, ME); Brian Duguay (South Berwick, ME); Uriah C. Noble (Sanford, ME)
Assignee: Raytheon Technologies Corporation
F01D9/042F05D2220/323F05D2230/60F05D2300/437
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Quick Facts
Patent No.
US 11,352,895
App. No.
16/667,501
Granted
Jun 7, 2022
Kind
B2
Abstract

An improved stator assembly for use in a gas-turbine engine is disclosed. The stator assembly may comprise a vane, an inner diameter (ID) ring, an outer diameter (OD) ring, a vane disposed between the ID ring and the OD ring, a potting component coupling the vane to at least one of the OD ring or the ID ring, and a potting embedded component disposed within the potting component. The potting embedded component may prevent disbond of the potting component during operation of the gas-turbine engine.

Claims (40)

1. A stator assembly, comprising:

a vane;

a ring having a slot configured to receive the vane, the ring defining a gas-path surface and a non-gas-path surface spaced apart radially from the gas-path surface;

a potting component disposed between the vane and the ring, the potting component configured to join the vane and the ring; and

a potting embedded component disposed within the potting component, the potting embedded component configured to reduce internal tension in the potting component, wherein:

the potting component is at least one of a thermoplastic elastomer, silicone, silicone rubber, and a natural rubber,

the potting embedded component is at least one of a woven structure or a chain-link structure,

a first end of the potting embedded component is tangent to the non-gas path surface of the ring,

the first end is one of a radially inner end or a radially outer end, and

a second end of the potting embedded component is tangent to a pressure side of the vane.

2. The stator assembly of claim 1 , wherein the potting embedded component is non-metallic.

3. The stator assembly of claim 1 , wherein the potting embedded component is disposed only on a pressure side of the vane.

4. A gas-turbine engine comprising:

a stator assembly, comprising:

an inner diameter (ID) ring;

an outer diameter (OD) ring disposed radially outward from the ID ring;

a vane disposed between the ID ring and the OD ring;

a slot disposed in the ID ring;

a potting component disposed in the slot, the potting component coupling the vane to the slot; and

a potting embedded component disposed within the potting component, the potting embedded component comprising a non-metallic material, wherein:

the potting component is at least one of a thermoplastic elastomer, silicone, silicone rubber, and a natural rubber,

the potting embedded component is at least one of a woven structure or a chain-link structure,

the vane extends radially through the slot and includes an end spaced apart radially inward a radial distance from a non-gas path surface of the ID ring,

the non-gas path surface is spaced apart radially inward from a gas-path surface of the ID ring,

the potting embedded component is disposed only within the radial distance when measured radially from the non-gas path surface toward the end of the vane, and

the potting embedded component is disposed only on a pressure side of the vane.

5. A gas-turbine engine comprising:

a stator assembly, comprising:

an inner diameter (ID) ring;

an outer diameter (OD) ring disposed radially outward from the ID ring;

a vane disposed between the ID ring and the OD ring;

a slot disposed in the OD ring;

a potting component disposed in the slot, the potting component coupling the vane to the slot; and

a potting embedded component disposed within the potting component, the potting embedded component comprising a non-metallic material, wherein:

the potting component is at least one of a thermoplastic elastomer, silicone, silicone rubber, and a natural rubber,

the potting embedded component is at least one of a woven structure or a chain-link structure,

the vane extends radially outward a radial distance from a non-gas path surface of the OD ring,

the non-gas path surface is spaced apart radially outward from a gas-path surface of the OD ring,

the potting embedded component is disposed within the radial distance when measured radially from the non-gas path surface toward the end of the vane, and

the potting embedded component is disposed only on a pressure side of the vane.

Assignments (4)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064714/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING ON THE ADDRESS 10 FARM SPRINGD ROAD FARMINGTONCONNECTICUT 06032 PREVIOUSLY RECORDED ON REEL 057190 FRAME 0719. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT SPELLING OF THE ADDRESS 10 FARM SPRINGS ROAD FARMINGTON CONNECTICUT 06032. Recorded Aug 19, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 057226/0390 →
CHANGE OF NAME Recorded Aug 16, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 057190/0719 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 29, 2019
From: ZECHA, SARAH J; BARAINCA, BRIAN; DUGUAY, BRIAN; NOBLE, URIAH C
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 050855/0921 →