US3106192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste heat utilization
Assignee: Schmidtsche Heissdampf GmbH
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Filing: 1960-05-13
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Granted: 1963-10-08
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Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 Hingst Erika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/02; F22B1/18; F22B1/183; F27; F27D; F27D17/00; F27D17/10; F27D17/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF HEATING A WASTE HEAT BOILER BY UTILIZING THE WASTE HEAT OF THE EXHAUST FURNACE GASES AND OF THE COOLING AGENT FOR A FORCED CIRCULATION COOLING SYSTEM FOR A FURNACE COMPRISING FIRST PREHEATING THE INTAKE COMBUSTION AIR AND FUEL FOR THE FURNACE WITH HEAT EXTRACTED FROM THE COOLING AGENT COMING FROM THE FURNACE WHILE AT LEAST PARTIALLY COOLING SAID AGENT TO A TEMPERATURE SUITABLE FOR RECYCLING SAID AGENT TO SAID FURNACE, THEN FURTHER HEATING THE PREHEATED COMBUSTION AIR AND FUEL WITH EXHAUST FURNACE GASES, AND THAN PASSING THE EXHAUST FURNACE GASES INTO THE WASTE HEAT BOILER AT A TEMPERATURE SUITABLE FOR THE GENERATION OF STEAM.
Claim 2
Independent Claim
107 words
A METHOD OF HEATING A WASTE HEAT BOILER BY UTILIZING THE WASTE HEAT OF THE EXHAUST FURNACE GASES AND OF THE COOLING AGENT FOR A FORCED CIRCULATION COOLING SYSTEM FOR A FURNACE COMPRISING FIRST PREHEATING THE INTAKE COMBUSTION AIR AND FUEL FOR THE FURNACE WITH HEAT EXTRACTED FROM THE COOLING AGENT COMING FROM THE FURNACE WHILE AT LEAST PARTIALLY COOLING SAID AGENT TO A TEMPERATURE SUITABLE FOR RECYCLING SAID AGENT TO SAID FURNACE, THEN FURTHER HEATING THE PREHEATED COMBUSTION AIR AND FUEL WITH EXHAUST FURNACE GASES, AND THAN PASSING THE EXHAUST FURNACE GASES INTO THE WASTE HEAT BOILER AT A TEMPERATURE SUITABLE FOR THE GENERATION OF STEAM.
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |