Patent US3267907A successfully refreshed from Google Patents.
US3267907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam generator
Assignee: CF Braun and Co
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Filing: 1963-08-27
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Granted: 1966-08-23
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Glausser
- 👤 Carl H Unruh
- 👤 Jr Bernard J Grotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:05
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/02; F22B1/18; F22B1/1823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A STEAM GENERATOR, THE COMBINATION OF: AN UPRIGHT SHELL, MEANS INCLUDING A TUBESHEET CLOSING THE UPPER END OF SAID SHELL, AN UPRIGHT BUNDLE OF GENERALLY PARALLEL FLUID-CARRYING TUBES POSITIONED WITHIN SAID SHELL, AT LEAST SOME OF THE TUBES HAVING ENDS FIXED TO SAID TUBESHEET, THE SHELL HAVING A LATERAL INLET PIPE FOR HOT GAS LOCATED ADJACENT ONE SIDE OF SAID TUBE BUNDLE, SHROUD MEANS WITHIN SAID SHELL CONNECTED TO SAID INLET PIPE AND ENCLOSING AT LEAST A PORTION OF SAID TUBE BUNDLE TO DIRECT HOT GAS FROM SAID INLET PIPE TO FLOW SUBSTANTIALLY IN A LATERAL DIRECTION WITHIN SAID SHROUD MEANS ACROSS AND THROUGH SAID TUBE BUNDLE AT LEAST ONCE BEFORE CONTACTING THE INTERIOR OF SAID SHELL, AND AN OUTLET PIPE FOR DISCHARGING COOLED GAS FROM SAID SHELL, SAID SHROUD MEANS BEING POSITIONED TO DIRECT GAS, WHICH HAS PASSED ACROSS SAID TUBES, TO SAID OUTLET PIPE FROM TE INTERIOR OF THE SHELL WHILE PREVENTING FURTHER CONTACT BETWEEN SAID GAS AND SAID TUBES.
Claim 2
Dependent Claim
163 words
IN A STEAM GENERATOR, THE COMBINATION OF: AN UPRIGHT SHELL, MEANS INCLUDING A TUBESHEET CLOSING THE UPPER END OF SAID SHELL, AN UPRIGHT BUNDLE OF GENERALLY PARALLEL FLUID-CARRYING TUBES POSITIONED WITHIN SAID SHELL, AT LEAST SOME OF THE TUBES HAVING ENDS FIXED TO SAID TUBESHEET, THE SHELL HAVING A LATERAL INLET PIPE FOR HOT GAS LOCATED ADJACENT ONE SIDE OF SAID TUBE BUNDLE, SHROUD MEANS WITHIN SAID SHELL CONNECTED TO SAID INLET PIPE AND ENCLOSING AT LEAST A PORTION OF SAID TUBE BUNDLE TO DIRECT HOT GAS FROM SAID INLET PIPE TO FLOW SUBSTANTIALLY IN A LATERAL DIRECTION WITHIN SAID SHROUD MEANS ACROSS AND THROUGH SAID TUBE BUNDLE AT LEAST ONCE BEFORE CONTACTING THE INTERIOR OF SAID SHELL, AND AN OUTLET PIPE FOR DISCHARGING COOLED GAS FROM SAID SHELL, SAID SHROUD MEANS BEING POSITIONED TO DIRECT GAS, WHICH HAS PASSED ACROSS SAID TUBES, TO SAID OUTLET PIPE FROM TE INTERIOR OF THE SHELL WHILE PREVENTING FURTHER CONTACT BETWEEN SAID GAS AND SAID TUBES.
References Cited (Backward Citations)
US2336832A
Cited
US2922404A
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FR1197675A
Cited
GB841800A
Cited
US3114353A
Cited
US3154140A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |