US3603382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial heat flux transformer
Assignee: National Aeronautics and Space Administration
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Filing: 1969-11-03
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Granted: 1971-09-07
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Expires: 1989-11-03
Abstract
Abstract A radial heat flux transformer adapted to be employed in the transfer of thermal energy, particularly suited for use in delivering energy radially and characterized by two concentric cylinders interconnected by a network of groups of radially extended capillary channels having vapor spaces defined therebetween, a particular feature of the transformer being the capability of radially delivering vapor as well as its condensate in opposite radial directions between the concentric cylinders, whereby the device may be employed interchangeably as a flux concentrator or a flux radiator.
Inventors
- 👤 Robert J Buzzard
- 👤 Algerd Basiulis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/04; F28D15/046
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
94 words
A radial heat flux transformer comprising: A. a first tubular shell; B. a second tubular shell concentrically related to said first shell and radially spaced therefrom; C. a tubular wicking member interposed between said first and said second tubular shells comprising a plurality of longitudinally registered, unitary wafers of a similar configuration, each including a center ring, means defining a multiplicity of channels radially extended from said ring, and an annulus integrally related with the distal ends of said means defining said radially extended channels; and D. a working fluid disposed within said channels.
Claim 2
Dependent Claim
94 words
A radial heat flux transformer comprising: A. a first tubular shell; B. a second tubular shell concentrically related to said first shell and radially spaced therefrom; C. a tubular wicking member interposed between said first and said second tubular shells comprising a plurality of longitudinally registered, unitary wafers of a similar configuration, each including a center ring, means defining a multiplicity of channels radially extended from said ring, and an annulus integrally related with the distal ends of said means defining said radially extended channels; and D. a working fluid disposed within said channels.
Claim 3
Dependent Claim
18 words
The transformer of claim 1, wherein said means defines said channels is fabricated from a woven screenlike material.
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) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |