US5059055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanically attached liner hanger assembly
Assignee: RTX Corp
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Filing: 1990-10-19
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Granted: 1991-10-22
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Expires: 2010-10-19
Abstract
Abstract The invention discloses a liner hanger assembly which is mechanically attached to the component to which the liner is secured, thereby allowing hanger materials to be selected based on other than weldability considerations, and allowing the hanger to be removed and repaired when worn or damaged.
Inventors
- 👤 Peter B. Degress
- 👤 Kenneth E. Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:29
CPC Classifications
F; F16; F16B; F16B3/00; F02; F02K; F02K1/00; F02K1/78; F02K1/80; F02K1/82; F02K1/822; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7045
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
79 words
A hanger assembly for attaching a first component to a second component, the second component having a row of connecting tabs extending therefrom, each tab having a pin hole and each of the pin holes aligned with the other pin holes, said hanger assembly comprising: a rail, a plurality of hanger straps, each hanger strap encircling and contacting the rail, means for fastening the rail to the first component, and, means for attaching the straps to the second component.
Claim 2
Dependent Claim
79 words
A hanger assembly for attaching a first component to a second component, the second component having a row of connecting tabs extending therefrom, each tab having a pin hole and each of the pin holes aligned with the other pin holes, said hanger assembly comprising: a rail, a plurality of hanger straps, each hanger strap encircling and contacting the rail, means for fastening the rail to the first component, and, means for attaching the straps to the second component.
Claim 3
Dependent Claim
26 words
The hanger assembly of claim 1 wherein each of the straps is in spaced relation to adjacent straps and one of the tabs is interposable therebetween.
Claim 4
Dependent Claim
33 words
The hanger assembly of claim 2 wherein the fastening means includes a plurality of fasteners, the rail includes a plurality of rail holes, and each fastener extends through one of the rail holes.
Claim 5
Dependent Claim
25 words
The hanger assembly of claim 3 wherein each of the straps includes a fastener hole, and one of the fasteners extends through each fastener hole.
Claim 6
Dependent Claim
21 words
The hanger assembly of claim 4 wherein each of the straps includes a cutout through which the fastening means is accessible.
Claim 7
Dependent Claim
25 words
The hanger assembly of claim 5 wherein the attaching means includes a pin extending through each of the straps and each of the pin holes.
Claim 8
Dependent Claim
30 words
The hanger assembly of claim 6 wherein each of the fastener holes is slightly larger than the fastener received therein to provide for thermal expansion of the fastener received therein.
Claim 9
Dependent Claim
43 words
The hanger assembly of claim 1 wherein the fasteners are bolts, each bolt extending through the rail, through one of the fastener holes, and into the first component, and a portion of each strap is sandwiched between the rail and the first component.
Claim 10
Dependent Claim
157 words
A mechanically attached liner hanger for attaching a thermal liner of a nozzle on a gas turbine engine to a component of the nozzle, said hanger comprising: a rail, means for mechanically attaching the rail to the component, a plurality of hanger straps, each strap encircling the rail and having a hole through which the fastening means extends, each of the straps in spaced relation to adjacent straps, a portion of each strap sandwiched between the rail and the component, and, a retaining pin for attaching the straps to the liner, wherein the liner has at least one row of connecting tabs extending therefrom, each tab has a pin hole therein, each pin hole is aligned with the other pin holes within the row of tabs, the tabs are interposable between adjacent straps, and the retaining pin extends through each of the straps and each of the pin holes to secure the liner to the liner hanger.
Claim 11
Dependent Claim
157 words
A mechanically attached liner hanger for attaching a thermal liner of a nozzle on a gas turbine engine to a component of the nozzle, said hanger comprising: a rail, means for mechanically attaching the rail to the component, a plurality of hanger straps, each strap encircling the rail and having a hole through which the fastening means extends, each of the straps in spaced relation to adjacent straps, a portion of each strap sandwiched between the rail and the component, and, a retaining pin for attaching the straps to the liner, wherein the liner has at least one row of connecting tabs extending therefrom, each tab has a pin hole therein, each pin hole is aligned with the other pin holes within the row of tabs, the tabs are interposable between adjacent straps, and the retaining pin extends through each of the straps and each of the pin holes to secure the liner to the liner hanger.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |