US3307913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum producing apparatus for containment vessels
Assignee: Stone and Webster Engineering Corp
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Filing: 1962-07-27
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Granted: 1967-03-07
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Charles T Chave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
G; G21; G21C; G21C9/00; G21C13/00; G21C13/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
IN CONTAINMENT VESSELS FOR NUCLEAR REACTORS AND THE LIKE, THE COMBINATION COMPRISING A CONTAINMENT VESSEL, A BURNER HAVING A COMBUSTION CHAMBER, MEANS HAVING AN INLET WITHIN THE CONTAINMENT VESSEL FOR CONTINUOUSLY INTRODUCING AIR FROM THE CONTAINMENT VESSEL INTO THE COMBUSTION CHAMBER OF THE BURNER, MEANS FOR INTRODUCING HYDROGEN GAS INTO THE COMBUSTION CHAMBER OF THE BURNER, MEANS FOR IGNITING AND BURNING THE HYDROGEN WITHIN THE COMBUSTION CHAMBER OF THE BURNER AS AN OPEN FLAME AND IN THE PRESENCE OF AIR INTRODUCED FROM THE CONTAINMENT VESSEL, MEANS HAVING AN OUTLET WITHIN THE CONTAINMENT VESSEL FOR RETURNING THE EXHAUST GAS FROM THE BURNER TO THE CONTAINMENT VESSEL, THE OUTLET OF THE MEANS FOR RETURNING THE EXHAUST GAS FROM THE BURNER TO THE CONTAINMENT VESSEL BEING LOCATED AT A HIGH POINT WITHIN THE CONTAINMENT VESSEL AND THE INLET OF THE MEANS FOR CONTINUOUSLY INTRODUCING AIR FROM THE CONTAINMENT VESSEL INTO THE BURNER BEING LOCATED AT A LOWER POINT WITHIN THE CONTAINMENT VESSEL, MEANS FOR COOLING THE EXHAUST GAS TO CONDENSE WATER VAPOR THEREIN PRIOR TO RETURN OF THE EXHAUST GAS TO THE CONTAINMENT VESSEL, AND MEANS FOR DRAINING CONDENSED WATER VAPOR FROM THE COMBUSTION CHAMBER OF THE BURNER, WHEREBY OXYGEN IS CONTINUOUSLY REMOVED FROM THE AIR IN THE CONTAINMENT VESSEL THROUGH ITS CHEMICAL COMBINATION WITH THE HYDROGEN TO FORM WATER VAPOR, AND A PARTIAL VACUUM IN THE CONTAINMENT VESSEL IS THEREBY INDUCED.
Claim 2
Dependent Claim
229 words
IN CONTAINMENT VESSELS FOR NUCLEAR REACTORS AND THE LIKE, THE COMBINATION COMPRISING A CONTAINMENT VESSEL, A BURNER HAVING A COMBUSTION CHAMBER, MEANS HAVING AN INLET WITHIN THE CONTAINMENT VESSEL FOR CONTINUOUSLY INTRODUCING AIR FROM THE CONTAINMENT VESSEL INTO THE COMBUSTION CHAMBER OF THE BURNER, MEANS FOR INTRODUCING HYDROGEN GAS INTO THE COMBUSTION CHAMBER OF THE BURNER, MEANS FOR IGNITING AND BURNING THE HYDROGEN WITHIN THE COMBUSTION CHAMBER OF THE BURNER AS AN OPEN FLAME AND IN THE PRESENCE OF AIR INTRODUCED FROM THE CONTAINMENT VESSEL, MEANS HAVING AN OUTLET WITHIN THE CONTAINMENT VESSEL FOR RETURNING THE EXHAUST GAS FROM THE BURNER TO THE CONTAINMENT VESSEL, THE OUTLET OF THE MEANS FOR RETURNING THE EXHAUST GAS FROM THE BURNER TO THE CONTAINMENT VESSEL BEING LOCATED AT A HIGH POINT WITHIN THE CONTAINMENT VESSEL AND THE INLET OF THE MEANS FOR CONTINUOUSLY INTRODUCING AIR FROM THE CONTAINMENT VESSEL INTO THE BURNER BEING LOCATED AT A LOWER POINT WITHIN THE CONTAINMENT VESSEL, MEANS FOR COOLING THE EXHAUST GAS TO CONDENSE WATER VAPOR THEREIN PRIOR TO RETURN OF THE EXHAUST GAS TO THE CONTAINMENT VESSEL, AND MEANS FOR DRAINING CONDENSED WATER VAPOR FROM THE COMBUSTION CHAMBER OF THE BURNER, WHEREBY OXYGEN IS CONTINUOUSLY REMOVED FROM THE AIR IN THE CONTAINMENT VESSEL THROUGH ITS CHEMICAL COMBINATION WITH THE HYDROGEN TO FORM WATER VAPOR, AND A PARTIAL VACUUM IN THE CONTAINMENT VESSEL IS THEREBY INDUCED.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |