Patent US2470479A successfully refreshed from Google Patents.
US3853528A
Expired / Lapsed
US
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Slot nozzle for isotope separation of gaseous compounds
Assignee: Siemens AG
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Filing: 1971-02-08
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Granted: 1974-12-10
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Expires: 1991-02-08
Abstract
Abstract Slot nozzle assembly for use in separating isotopes from a gaseous compound comprises a stack of thin foils which are superposed one upon the other in a stack with preformed identically configured slot nozzles formed in the foils. The foils are stacked together with the preformed slot nozzle outlines in congruity with one another and the foils are then bonded together in the stack. The method of making such foils includes etching the slot nozzle outlines in the foils independently prior to stacking and subsequently bonding the superposed foils together.
Inventors
- 👤 G Wodrich
- 👤 G Heckh
- 👤 M Zerweckh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:18
CPC Classifications
B; B01; B01D; B01D59/00; B01D59/10; B01D59/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
128 words
A slot nozzle for isotope separation of a gaseous compound, comprising: a plurality of thin foils each including means defining a plurality of identically configured openings therethrough each having at least three interconnected lobes, said foils superposed to form a stack with said openings arranged in complete congruity with said lobes defining a gas supply channel, a light isotope carry-off channel and a heavy isotope carry-off channel, and said opening defining means for each of said openings including a nozzle having a deflection wall between said supply channel lobe and said heavy isotope carry-off channel lobe, and a peeler extending adjacent said deflection wall to separate the heavy isotopes from the light isotopes as the former tend to cling to the deflection wall in passing through said nozzle.
Claim 2
Dependent Claim
128 words
A slot nozzle for isotope separation of a gaseous compound, comprising: a plurality of thin foils each including means defining a plurality of identically configured openings therethrough each having at least three interconnected lobes, said foils superposed to form a stack with said openings arranged in complete congruity with said lobes defining a gas supply channel, a light isotope carry-off channel and a heavy isotope carry-off channel, and said opening defining means for each of said openings including a nozzle having a deflection wall between said supply channel lobe and said heavy isotope carry-off channel lobe, and a peeler extending adjacent said deflection wall to separate the heavy isotopes from the light isotopes as the former tend to cling to the deflection wall in passing through said nozzle.
Claim 3
Dependent Claim
30 words
A slot nozzle constructed in accordance with claim 1, and further including means directing a gas flow to said supply channel and separately collecting isotope flow from said carry-off channels.
Claim 4
Dependent Claim
29 words
A slot nozzle constructed in accordance with claim 1 wherein: said foils are formed of a metal alloy and are welded together in the stack to form said nozzle.
Claim 5
Dependent Claim
29 words
A slot nozzle constructed in accordance with claim 2 wherein the slot nozzle formed by the stacked foils is several times longer than the thickness of one individual foil.
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) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |