US3148516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooled vacuum producing condenser
Assignee: Niagara Blower Co
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Filing: 1963-01-21
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Granted: 1964-09-15
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Kals Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:47
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; F28D; F28D5/00; F28D5/02; Y; Y10; Y10S; Y10S165/00; Y10S165/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A VACUUM PRODUCING CONDENSER FOR VAPORS CONTAINING NON-CONDENSIBLE GASES, COMPRISING A SHELL HAVING A MAIN CONDENSER CHAMBER COMMUNICATING WITH THE ATMOSPHERE AT ITS TOP AND WITH THE INTERIOR OF THE SHELL AT ITS BOTTOM AND ALSO HAVING AN INTERCONDENSER CHAMBER COMMUNICATING WITH THE ATMOSPHERE AT ITS TOP AND WITH SAID INTERIOR OF SAID SHELL AT ITS BOTTOM AND ALSO HAVING A SUMP AT ITS BOTTOM FOR SPRAY WATER FALLING FROM SAID CHAMBERS, MEANS DISCHARGING AIR FROM SAID INTERIOR OF SAID SHELL TO CREATE A DOWNWARD FLOW OF OUTSIDE AIR THROUGH EACH OF SAID CHAMBERS, MAIN CONDENSER TUBES ACROSS SAID MAIN CONDENSER CHAMBER HAVING AN INLET FOR THE STEAM TO BE CONDENSED AND HAVING AN OUTLET, A FIRST SPRAY TREE ABOVE SAID MAIN CONDENSER TUBES TO DISCHARGE WATER DOWNWARDLY THEREON, A STEAM JET EJECTOR, MEANS CONNECTING SAID OUTLET OF SAID MAIN CONDENSER TUBES WITH THE SUCTION INLET OF SAID STEAM JET EJECTOR, INTERCONDENSER TUBES ACROSS SAID INTERCONDENSER CHAMBER AND HAVING AN OUTLET AND HAVING AN INLET CONNECTED TO THE DISCHARGE OF SAID STEAM EJECTOR, A SECOND SPRAY TREE ABOVE SAID INTERCONDENSER TUBES TO DISCHARGE WATER DOWNWARDLY THEREON, AND MEANS RECIRCULATING WATER FROM SAID SUMP TO SAID SPRAY TREES.
Claim 2
Dependent Claim
197 words
A VACUUM PRODUCING CONDENSER FOR VAPORS CONTAINING NON-CONDENSIBLE GASES, COMPRISING A SHELL HAVING A MAIN CONDENSER CHAMBER COMMUNICATING WITH THE ATMOSPHERE AT ITS TOP AND WITH THE INTERIOR OF THE SHELL AT ITS BOTTOM AND ALSO HAVING AN INTERCONDENSER CHAMBER COMMUNICATING WITH THE ATMOSPHERE AT ITS TOP AND WITH SAID INTERIOR OF SAID SHELL AT ITS BOTTOM AND ALSO HAVING A SUMP AT ITS BOTTOM FOR SPRAY WATER FALLING FROM SAID CHAMBERS, MEANS DISCHARGING AIR FROM SAID INTERIOR OF SAID SHELL TO CREATE A DOWNWARD FLOW OF OUTSIDE AIR THROUGH EACH OF SAID CHAMBERS, MAIN CONDENSER TUBES ACROSS SAID MAIN CONDENSER CHAMBER HAVING AN INLET FOR THE STEAM TO BE CONDENSED AND HAVING AN OUTLET, A FIRST SPRAY TREE ABOVE SAID MAIN CONDENSER TUBES TO DISCHARGE WATER DOWNWARDLY THEREON, A STEAM JET EJECTOR, MEANS CONNECTING SAID OUTLET OF SAID MAIN CONDENSER TUBES WITH THE SUCTION INLET OF SAID STEAM JET EJECTOR, INTERCONDENSER TUBES ACROSS SAID INTERCONDENSER CHAMBER AND HAVING AN OUTLET AND HAVING AN INLET CONNECTED TO THE DISCHARGE OF SAID STEAM EJECTOR, A SECOND SPRAY TREE ABOVE SAID INTERCONDENSER TUBES TO DISCHARGE WATER DOWNWARDLY THEREON, AND MEANS RECIRCULATING WATER FROM SAID SUMP TO SAID SPRAY TREES.
References Cited (Backward Citations)
US1945973A
Cited
US2661933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |