US3237612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forced flow vapor generating unit
Assignee: Babcock and Wilcox Co
•
Filing: 1963-10-01
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Granted: 1966-03-01
•
Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Koch Paul Henry
- 👤 Wiener Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:30
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/06; F22B29/061; F22B29/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A FORCED CIRCULATION FLUID HEATING UNIT, UPRIGHT WALLS FORMING A FURNACE FOR THE FLOW OF HEATING GASES, BURNER MEANS SUPPLYING HIGH TEMPERATURE HEATING GASES TO SAID FURNACE, SAID WALLS INCLUDING LOWER AND UPPER TUBE PANELS RESPECTIVELY COOPERATING TO FORM LOWER AND UPPER FLUID HEATING PASSES AND PROVIDING FLOW OF FLUID THROUGH THE PANELS ONLY IN AN UPWARD DIRECTION, MEANS FOR PASSING VAPORIZABLE FLUID IN PARALLEL FLOW RELATION TO THE TUBE PANELS OF THE LOWER FLUID HEATING PASS, MEANS FOR MIXING THE FLUID OUTFLOW OF THE TUBE PANELS OF THE LOWER FLUID HEATING PASS OF A PAIR OF SAID WALLS AND FOR PASSING SUCH MIXED FLUID OUTFLOW
Claim 2
Dependent Claim
107 words
IN A FORCED CIRCULATION FLUID HEATING UNIT, UPRIGHT WALLS FORMING A FURNACE FOR THE FLOW OF HEATING GASES, BURNER MEANS SUPPLYING HIGH TEMPERATURE HEATING GASES TO SAID FURNACE, SAID WALLS INCLUDING LOWER AND UPPER TUBE PANELS RESPECTIVELY COOPERATING TO FORM LOWER AND UPPER FLUID HEATING PASSES AND PROVIDING FLOW OF FLUID THROUGH THE PANELS ONLY IN AN UPWARD DIRECTION, MEANS FOR PASSING VAPORIZABLE FLUID IN PARALLEL FLOW RELATION TO THE TUBE PANELS OF THE LOWER FLUID HEATING PASS, MEANS FOR MIXING THE FLUID OUTFLOW OF THE TUBE PANELS OF THE LOWER FLUID HEATING PASS OF A PAIR OF SAID WALLS AND FOR PASSING SUCH MIXED FLUID OUTFLOW
References Cited (Backward Citations)
US1883293A
Cited
US1975096A
Cited
GB744797A
Cited
US2989036A
Cited
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Cited
US3159146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |