US3219018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of starting a forced flow steam generator and apparatus for carrying out the method
Assignee: Sulzer AG
•
Filing: 1963-01-16
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Granted: 1965-11-23
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Augsburger Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:35
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/06; F22B29/10; C; C01; C01G; C01G19/00; F01; F01K; F01K3/00; F01K3/18; F01K3/20; F01K3/22; F01K7/00; F01K7/16; F01K7/22; F01K7/24; F22B29/12; F22B3/00; F22B3/04; F22B35/00; F22B35/06; F22B35/14; F22G; F22G5/00; F22G5/02; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A METHOD OF STARTING A FORCED FLOW STEAM GENERATOR HAVING MEANS FOR PRODUCING HOT COMBINATION GAS, AND A TUBULAR HEATING SYSTEM CONDUCTING AN OPERATING MEDIUM AND INCLUDING AT LEAST TWO HEATING SECTIONS IN HEAT EXCHANGE RELATION WITH THE COMBUSTION GAS AND ARRANGED IN SERIES RELATION WITH RESPECT TO THE FLOW OF OPERATING MEDIUM, THE METHOD INCLUDING: STOPPING FLOW OF OPERATING MEDIUM THROUGH THE LAST HEATING SECTION AND MAINTAINING A PREDETERMINED PRESSURE IN SAID TUBULAR HEATING SYSTEM, DIVERTING OPERATING MEDIUM FROM SAID TUBULAR HEATING SYSTEM DOWNSTREAM AND UPSTREAM OF THE HEATING SECTION PRECEDING THE LAST HEATING SECTION IN RESPONSE TO THE PRESSURE AND THE TEMPERATURE OF THE OPERATING MEDIUM LEAVING THE TEMPERATURE OF THE OPERATING SENSING A TEMPERATURE SUBSTANTIALLY CORRESPONDING TO THE TEMPERATURE OF THE LAST HEATING SECTION, AND PERMITTING FLOW OF THE OPERATING MEDIUM THROUGH SAID LAST HEATING SECTION WHEN THE TEMPERATURE OF THE OPERATING MEDIUM LEAVING THE PRECEDING HEATING SECTION IS SUBSTANTIALLY EQUAL TO SAID TEMPERATURE CORRESPONDING TO THE TEMPERATURE OF THE LAST HEATING SECTION.
Claim 2
Independent Claim
166 words
A METHOD OF STARTING A FORCED FLOW STEAM GENERATOR HAVING MEANS FOR PRODUCING HOT COMBINATION GAS, AND A TUBULAR HEATING SYSTEM CONDUCTING AN OPERATING MEDIUM AND INCLUDING AT LEAST TWO HEATING SECTIONS IN HEAT EXCHANGE RELATION WITH THE COMBUSTION GAS AND ARRANGED IN SERIES RELATION WITH RESPECT TO THE FLOW OF OPERATING MEDIUM, THE METHOD INCLUDING: STOPPING FLOW OF OPERATING MEDIUM THROUGH THE LAST HEATING SECTION AND MAINTAINING A PREDETERMINED PRESSURE IN SAID TUBULAR HEATING SYSTEM, DIVERTING OPERATING MEDIUM FROM SAID TUBULAR HEATING SYSTEM DOWNSTREAM AND UPSTREAM OF THE HEATING SECTION PRECEDING THE LAST HEATING SECTION IN RESPONSE TO THE PRESSURE AND THE TEMPERATURE OF THE OPERATING MEDIUM LEAVING THE TEMPERATURE OF THE OPERATING SENSING A TEMPERATURE SUBSTANTIALLY CORRESPONDING TO THE TEMPERATURE OF THE LAST HEATING SECTION, AND PERMITTING FLOW OF THE OPERATING MEDIUM THROUGH SAID LAST HEATING SECTION WHEN THE TEMPERATURE OF THE OPERATING MEDIUM LEAVING THE PRECEDING HEATING SECTION IS SUBSTANTIALLY EQUAL TO SAID TEMPERATURE CORRESPONDING TO THE TEMPERATURE OF THE LAST HEATING SECTION.
References Cited (Backward Citations)
US3102513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |