Patent US3324715A successfully refreshed from Google Patents.
US3324715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the thermal power input of a combustion chamber
Assignee: Vyzkumny Ustav Energeticky
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Filing: 1964-03-16
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Granted: 1967-06-13
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Held Pavel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:06
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
AN APPARATUS FOR CONTINUOUSLY DETERMINING THE THERMAL POWER INPUT OF A COMBUSTION CHAMBER CONTINUOUSLY RECEIVING AIR OF COMBUSTION FOR REACTION WITH A FUEL, THE APPARATUS COMPRISING, IN COMBINATION: (A) FLOW METER MEANS FOR MEASURING THE RATE OF AIR SUPPLY TO SAID COMBUSTION CHAMBER; (B) FIRST SIGNAL GENERATING MEANS OPERATIVELY CONNECTED TO SAID FLOW METER MEANS FOR GENERATING A FIRST SIGNAL IN RESPONSE TO THE RATE MEASURED; (C) SAMPLING MEANS FOR WITHDRAWING A SAMPLE OF COMBUSTION PRODUCTS FROM SAID CHAMBER; (D) MIXING MEANS FOR ADMIXING SECONDARY AIR OF COMBUSTION TO THE WITHDRAWN SAMPLE IN A FIXED RATIO; (E) FURNACE MEANS FOR OXIDIZING COMBUSTIBLE MATERIAL IN SAID WITHDRAWN SAMPLE BY MEANS OF SAID SECONDARY AIR, WHEREBY A COMPLETELY OXIDIZED MIXTURE IS OBTAINED; (F) SECOND SIGNAL GENERATING MEANS FOR GENERATING A SECOND SIGNAL IN RESPONSE TO THE OXYGEN CONTENT OF SAID COMPLETELY OXIDIZED MIXTURE, SAID FURNACE MEANS BEING INTERPOSED BETWEN SAID MIXING MEANS AND SAID SECOND SIGNAL GENERATING MEANS; (G) THIRD SIGNAL GENERATING MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SECOND SIGNAL GENERATING MEANS FOR GENERATING A THIRD SIGNAL IN RESPONSE TO SAID FIRST AND SECOND SIGNALS, SAID THIRD SIGNAL BEING REPRESENTATIVE OF THE PRODUCT OF SAID MEASURED FLOW RATE AND OF A FUNCTION 1/A OF SAID OXYGEN CONTENT, SAID FUNCTION BEING DERIVED FROM AN EQUATION
Claim 2
Independent Claim
213 words
AN APPARATUS FOR CONTINUOUSLY DETERMINING THE THERMAL POWER INPUT OF A COMBUSTION CHAMBER CONTINUOUSLY RECEIVING AIR OF COMBUSTION FOR REACTION WITH A FUEL, THE APPARATUS COMPRISING, IN COMBINATION: (A) FLOW METER MEANS FOR MEASURING THE RATE OF AIR SUPPLY TO SAID COMBUSTION CHAMBER; (B) FIRST SIGNAL GENERATING MEANS OPERATIVELY CONNECTED TO SAID FLOW METER MEANS FOR GENERATING A FIRST SIGNAL IN RESPONSE TO THE RATE MEASURED; (C) SAMPLING MEANS FOR WITHDRAWING A SAMPLE OF COMBUSTION PRODUCTS FROM SAID CHAMBER; (D) MIXING MEANS FOR ADMIXING SECONDARY AIR OF COMBUSTION TO THE WITHDRAWN SAMPLE IN A FIXED RATIO; (E) FURNACE MEANS FOR OXIDIZING COMBUSTIBLE MATERIAL IN SAID WITHDRAWN SAMPLE BY MEANS OF SAID SECONDARY AIR, WHEREBY A COMPLETELY OXIDIZED MIXTURE IS OBTAINED; (F) SECOND SIGNAL GENERATING MEANS FOR GENERATING A SECOND SIGNAL IN RESPONSE TO THE OXYGEN CONTENT OF SAID COMPLETELY OXIDIZED MIXTURE, SAID FURNACE MEANS BEING INTERPOSED BETWEN SAID MIXING MEANS AND SAID SECOND SIGNAL GENERATING MEANS; (G) THIRD SIGNAL GENERATING MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SECOND SIGNAL GENERATING MEANS FOR GENERATING A THIRD SIGNAL IN RESPONSE TO SAID FIRST AND SECOND SIGNALS, SAID THIRD SIGNAL BEING REPRESENTATIVE OF THE PRODUCT OF SAID MEASURED FLOW RATE AND OF A FUNCTION 1/A OF SAID OXYGEN CONTENT, SAID FUNCTION BEING DERIVED FROM AN EQUATION
References Cited (Backward Citations)
US2260821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |