Patent US3241597A successfully refreshed from Google Patents.
US3241597A
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Method of firing with fluid fuels
Assignee: Sulzer AG
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Filing: 1963-12-03
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Granted: 1966-03-22
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Juzi Viktor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:59
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; F; F22; F22B; F22B35/00; F22B35/002; F22G; F22G5/00; F22G5/02; F23; F23C; F23C1/00; F23N; F23N1/00; F23N1/005; F23N5/00; F23N5/003; F23N5/006; F23N5/02; F23N5/10; F23N5/18; F23N5/187; F23K; F23K2900/00; F23K2900/05001; F23K2900/05004; F23N2223/00; F23N2223/12; F23N2223/14; F23N2225/00; F23N2225/02; F23N2235/00; F23N2235/12; F23N2237/00; F23N2237/02; F23N2237/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF OPERATING A FIRE FOR THE COMBUSTION OF FIRST AND SECOND FLUID FUELS SUPPLIED TO THE FIRE AT VARIABLE RATES SUBJECT TO CONTROL, SAID METHOD COMPRISING THE STEPS OF SUPPLING BOTH OF SAID FUELS AND A COMBUSTION SUPPORTING MEDIUM TO A FIRING POINT, GENERATING FIRST AND SECOND SIGNALS REPRESENTATIVE RESPECTIVELY OF THE RATES OF FLOW OF SAID FIRST AND SECOND FUELS TO SAID FIRING POINT, MODIFYING ONE OF SAID SIGNALS IN ACCORDANCE WITH VARIATIONS IN THE HEAT VALUE OF AT LEAST ONE OF SAID FUELS, SUMMING THE OTHER OF SAID SIGNALS AND SAID MODIFIED SIGNAL, GENERATING A THIRD SIGNAL REPRESENTATIVE OF THE LOAD DEMAND ON SAID FIRE, AND CONTROLLING THE RATE OF FLOW OF SAID SECOND FUEL BY COMPARISON OF SAID SUMMED SIGNALS WITH SAID THIRD SIGNAL.
Claim 2
Independent Claim
129 words
A METHOD OF OPERATING A FIRE FOR THE COMBUSTION OF FIRST AND SECOND FLUID FUELS SUPPLIED TO THE FIRE AT VARIABLE RATES SUBJECT TO CONTROL, SAID METHOD COMPRISING THE STEPS OF SUPPLING BOTH OF SAID FUELS AND A COMBUSTION SUPPORTING MEDIUM TO A FIRING POINT, GENERATING FIRST AND SECOND SIGNALS REPRESENTATIVE RESPECTIVELY OF THE RATES OF FLOW OF SAID FIRST AND SECOND FUELS TO SAID FIRING POINT, MODIFYING ONE OF SAID SIGNALS IN ACCORDANCE WITH VARIATIONS IN THE HEAT VALUE OF AT LEAST ONE OF SAID FUELS, SUMMING THE OTHER OF SAID SIGNALS AND SAID MODIFIED SIGNAL, GENERATING A THIRD SIGNAL REPRESENTATIVE OF THE LOAD DEMAND ON SAID FIRE, AND CONTROLLING THE RATE OF FLOW OF SAID SECOND FUEL BY COMPARISON OF SAID SUMMED SIGNALS WITH SAID THIRD SIGNAL.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |