Patent US3236449A successfully refreshed from Google Patents.
US3236449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling fuel and air supplied to a combustion chamber
Assignee: Sulzer AG
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Filing: 1962-11-28
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Granted: 1966-02-22
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Brunner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:55
CPC Classifications
F; F22; F22B; F22B35/00; F22B35/06; F22B35/10; F23; F23N; F23N1/00; F23N1/02; F23N1/025; F23N1/08; F23N1/10; F23N5/00; F23N5/18; F23N5/188; G; G05; G05D; G05D27/00; G05D27/02; F23N2225/00; F23N2225/04; F23N2225/08; F23N2225/18; F23N2233/00; F23N2233/06; F23N2235/00; F23N2235/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
THE METHOD OF CONTROLLING THE SUPPLY OF COMBUSTION COMPONENTS FUEL AND AIR TO A COMBUSTION APPARATUS PRODUCING HEAT FOR A HEAT CONSUMER OPERATING UNDER VARIABLE LOAD, COMPRISING: CONTROLLING THE RATE OF SUPPLY OF FUEL TO THE COMBUSTION APPARATUS ACCORDING TO THE DESIRED HEAT AND INCREASING THE RATE OF FUEL SUPPLY WHEN INCREASED HEAT IS DESIRED, AND CONVERSELY, CONTROLLING THE RATE OF SUPPLY OF COMBUSTION AIR TO THE COMBUSTION APPARATUS ACCORDING TO THE DESIRED HEAT AND INCREASING THE RATE OF AIR SUPPLY WHEN INCREASED HEAT IS DESIRED, AND CONVERSELY, COMPARING THE HEAT ACTUALLY PRODUCED BY THE COMBUSTION APPARATUS WITH THE DESIRED HEAT, AND SUPPLEMENTALLY CONTROLLING THE RATE OF SUPPLY OF FUEL ACCORDING TO THE RESULT OF COMPARING THE ACTUALLY PRODUCED HEAT WITH THE DESIRED HEAT FOR INCREASING THE RATE OF FUEL SUPPLY WHEN THE DESIRED HEAT EXCEEDS THE ACTUALLY PRODUCED HEAT, AND CONVERSELY, WHILE LEAVING THE RATE OF COMBUSTION AIR SUPPLY UNAFFECTED BY THE RESULT OF SAID COMPARISON.
Claim 2
Independent Claim
157 words
THE METHOD OF CONTROLLING THE SUPPLY OF COMBUSTION COMPONENTS FUEL AND AIR TO A COMBUSTION APPARATUS PRODUCING HEAT FOR A HEAT CONSUMER OPERATING UNDER VARIABLE LOAD, COMPRISING: CONTROLLING THE RATE OF SUPPLY OF FUEL TO THE COMBUSTION APPARATUS ACCORDING TO THE DESIRED HEAT AND INCREASING THE RATE OF FUEL SUPPLY WHEN INCREASED HEAT IS DESIRED, AND CONVERSELY, CONTROLLING THE RATE OF SUPPLY OF COMBUSTION AIR TO THE COMBUSTION APPARATUS ACCORDING TO THE DESIRED HEAT AND INCREASING THE RATE OF AIR SUPPLY WHEN INCREASED HEAT IS DESIRED, AND CONVERSELY, COMPARING THE HEAT ACTUALLY PRODUCED BY THE COMBUSTION APPARATUS WITH THE DESIRED HEAT, AND SUPPLEMENTALLY CONTROLLING THE RATE OF SUPPLY OF FUEL ACCORDING TO THE RESULT OF COMPARING THE ACTUALLY PRODUCED HEAT WITH THE DESIRED HEAT FOR INCREASING THE RATE OF FUEL SUPPLY WHEN THE DESIRED HEAT EXCEEDS THE ACTUALLY PRODUCED HEAT, AND CONVERSELY, WHILE LEAVING THE RATE OF COMBUSTION AIR SUPPLY UNAFFECTED BY THE RESULT OF SAID COMPARISON.
References Cited (Backward Citations)
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US2197171A
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US2252368A
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US2264511A
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US2593659A
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US2252369A
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |