US3733791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transferer
Assignee: CARNES COMPANY Inc A WISCONSIN CORP
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Filing: 1971-08-13
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Granted: 1973-05-22
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Expires: 1991-08-13
Abstract
Abstract A rotary air-to-air heat transferer, which is capable of transferring both sensible and latent heat from one air stream to another, includes a heat transfer media comprised of a latticelike support coated with a thin film of an aqueous solution of a hygroscopic material such as lithium chloride.
Inventors
- 👤 K Dravnieks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; F24F2003/1458; F24F2003/1464; F24F2203/00; F24F2203/10; F24F2203/1032; F24F2203/1036; F24F2203/104; F24F2203/1068; F24F2203/108; F24F2203/1084
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
24 words
The heat exchanger according to claim 1 wherein said solution contains a wetting agent to enhance to wettability of the surface of said support.
Claim 2
Dependent Claim
26 words
The heat exchanger according to claim 2 wherein said support is metallic, glass or plastic material with the interstices between said individual members being uniformly oriented.
Claim 3
Dependent Claim
17 words
The heat exchanger according to claim 3 wherein said individual members have a generally circular cross section.
Claim 4
Dependent Claim
16 words
The heat exchanger according to claim 3 wherein said individual members have a flat, ribbon-like shape.
Claim 5
Dependent Claim
27 words
The heat exchanger according to claim 2 wherein said support is a metallic, glass or plastic material with the interstices between said individual members being randomly oriented.
Claim 6
Dependent Claim
17 words
The heat exchanger according to claim 6 wherein said individual members have a generally circular cross section.
Claim 7
Dependent Claim
16 words
The heat exchanger according to claim 6 wherein said individual member has a flat, ribbon-like shape.
Claim 8
Dependent Claim
28 words
The heat exchanger according to claim 7 wherein said support is a knitted pure aluminum fabric and said aqueous solution is a deliquescent salt solution of lithium chloride.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |