Patent US5077103A successfully refreshed from Google Patents.
US5077103A
Expired / Lapsed
US
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Refractory solid-state heat pipes and heat shields
Assignee: Boeing North American Inc
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Filing: 1990-06-25
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Granted: 1991-12-31
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Expires: 2010-06-25
Abstract
Abstract A refractory solid-state heat pipe assembly, or heat shield, capable of solid-state operation at high and low extreme temperature ranges in hostile environments, with particular application found in hypersonic vehicle surfaces, is provided.
Inventors
- 👤 William R. Wagner
- 👤 Sandor Holly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:19
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/18; B; B29; B29D; B29D23/00; B29D23/001; F28D; F28D15/00; F28D15/02; F28F2013/001; F28F2013/005; F28F2013/006; F28F21/00; F28F21/02; F28F21/04; Y; Y10; Y10S; Y10S165/00; Y10S165/905; Y10T; Y10T428/00; Y10T428/13; Y10T428/30
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
46 words
A refractory solid state heat pipe including at least one heat transfer element, said element comprising: (a) a thermally conductive solid substrate and a diamond coating about said substrate; and (b) a thermally conductive containment matrix configured to surround and support said substrate and diamond coating.
Claim 2
Dependent Claim
46 words
A refractory solid state heat pipe including at least one heat transfer element, said element comprising: (a) a thermally conductive solid substrate and a diamond coating about said substrate; and (b) a thermally conductive containment matrix configured to surround and support said substrate and diamond coating.
Claim 3
Dependent Claim
17 words
The heat pipe of claim 1, wherein the conduit substrate is a carbon or silicon based material.
Claim 4
Dependent Claim
25 words
The heat pipe of claim 1, wherein the diamond coating is deposited on said substrate to a depth of from 0.001 inch to 0.010 inch.
Claim 5
Dependent Claim
20 words
The heat pipe of claim 1, wherein the containment matrix is a conductive material selected from molybdenum, tungsten, or rhenium.
Claim 6
Dependent Claim
67 words
A high temperature heat shield having at least one surface exposed to temperatures above 2700° F., and including sub-surface refractory solid state heat pipes, said heat pipes including at least one heat transfer element, said element further comprising: (a) a thermally conductive substrate and a diamond coating about said substrate; and (b) a thermally conductive containment matrix configured to surround and support said substrate and diamond coating.
Claim 7
Dependent Claim
67 words
A high temperature heat shield having at least one surface exposed to temperatures above 2700° F., and including sub-surface refractory solid state heat pipes, said heat pipes including at least one heat transfer element, said element further comprising: (a) a thermally conductive substrate and a diamond coating about said substrate; and (b) a thermally conductive containment matrix configured to surround and support said substrate and diamond coating.
Claim 8
Dependent Claim
17 words
The heat shield of claim 5, wherein the conduit substrate is a carbon or silicon based material.
Claim 9
Dependent Claim
25 words
The heat shield of claim 5, wherein the diamond coating is deposited on said substrate to a depth of from 0.001 inch to 0.010 inch.
Claim 10
Dependent Claim
20 words
The heat shield of claim 5, wherein the containment matrix is a conductive material selected from molybdenum, tungsten, or rhenium.
Claim 11
Independent Claim
69 words
A method of forming a refractory solid state heat pipe having at least one heat transfer element, said method comprising: (a) fabricating a thermally conductive solid substrate with a diamond coating deposited on said substrate; (b) configuring a thermally conductive containment matrix surrounding and supporting said substrate and diamond coating to form a heat transfer element; and (c) enclosing at least one heat transfer element by an encasing wall.
Claim 12
Independent Claim
69 words
A method of forming a refractory solid state heat pipe having at least one heat transfer element, said method comprising: (a) fabricating a thermally conductive solid substrate with a diamond coating deposited on said substrate; (b) configuring a thermally conductive containment matrix surrounding and supporting said substrate and diamond coating to form a heat transfer element; and (c) enclosing at least one heat transfer element by an encasing wall.
Claim 13
Dependent Claim
14 words
The method of claim 9, wherein the thermally conductive solid substrate is a metal.
Claim 14
Dependent Claim
12 words
The method of claim 9, wherein the containment matrix is a metal.
Claim 15
Dependent Claim
16 words
The method of claim 9, wherein the conductive substrate is a carbon or silicon based material.
Claim 16
Dependent Claim
24 words
The method of claim 9, wherein the diamond coating is deposited on said substrate to a depth of from 0.001 inch to 0.010 inch.
Claim 17
Dependent Claim
19 words
The method of claim 9, wherein the containment matrix is a conductive material selected from molybdenum, tungsten, or rhenium.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-12-30 | 1995-07-01 | 1995-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-30 | 1999-07-01 | 1999-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-30 | 2003-07-01 | 2003-12-31 | $7700.00 | Window Closed / Lapsed |