Patent US4187124A successfully refreshed from Google Patents.
US3958554A
Expired / Lapsed
US
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Solar collector having oxygen-deficient PbO2 coating
Assignee: Ametek Inc
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Filing: 1974-07-02
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Granted: 1976-05-25
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Expires: 1994-07-02
Abstract
Abstract A solar heat collector including a panel coated with oxygen-deficient PbO 2 , such as α-PbO 2 or β-PbO 2 , heat being absorbable thereby and transferable to a liquid for operation heating or cooling systems.
Inventors
- 👤 Ferenc J. Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:43
CPC Classifications
F; F24; F24S; F24S70/00; F24S70/20; F24S70/25; F24S70/225; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10S; Y10S126/00; Y10S126/907; Y10S126/908; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12674
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
43 words
A solar energy collector system comprising a heat transfer member, a surface coating of oxygen-deficient PbO 2 on said member, means feeding fluid into heat transfer relation to said member, and means for feeding fluid from said member to a zone of utilization.
Claim 2
Dependent Claim
43 words
A solar energy collector system comprising a heat transfer member, a surface coating of oxygen-deficient PbO 2 on said member, means feeding fluid into heat transfer relation to said member, and means for feeding fluid from said member to a zone of utilization.
Claim 3
Dependent Claim
27 words
A solar energy collector system as claimed in claim 1 wherein the oxygen-deficient PbO 2 is in the range of PbO 1 .66 and PbO 1 .99.
Claim 4
Dependent Claim
19 words
A solar energy collector system as claimed in claim 1 wherein the PbO 2 is of the semiconductor type.
Claim 5
Dependent Claim
18 words
A solar energy collector system as claimed in claim 1 wherein the PbO 2 is α-PbO 2 .
Claim 6
Dependent Claim
18 words
A solar energy collector system as claimed in claim 1 wherein the PbO 2 is β-PbO 2 .
Claim 7
Dependent Claim
49 words
A solar energy collector system comprising a heat transfer member, a surface coating of semiconductor material having a high α and low ε on said member, means feeding fluid into heat transfer relation to said member, and means for feeding fluid from said member to a zone of utilization.
Claim 8
Dependent Claim
49 words
A solar energy collector system comprising a heat transfer member, a surface coating of semiconductor material having a high α and low ε on said member, means feeding fluid into heat transfer relation to said member, and means for feeding fluid from said member to a zone of utilization.
Claim 9
Dependent Claim
26 words
A solar energy system collector as claimed in claim 6 wherein the α is more than 90 percent and the ε is less than 15 percent.
Claim 10
Dependent Claim
17 words
A solar energy collector system as claimed in claim 6 wherein the semiconductor material is semiconductor silicon.
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) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |