US2767064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for igniting combustible fuel gases
Assignee: E H SARGENT AND CO
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Filing: 1952-12-19
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Granted: 1956-10-16
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Expires: 1972-12-19
Abstract
No abstract record available.
Inventors
- 👤 Paul H Sherrick
- 👤 William G Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:37
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/02; G01N7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
242 words
APPARATUS FOR IGNITING AND ANALYZING COMBUSTIBLE FUEL GASES, COMPRISING: A FIRST BURETTE FOR STORING A PREDETERMINED AMOUNT OF THE FUEL GASES TO BE IGNITED HAVING AN INLET AND AN OUTLET; A SECOND BURETTE FOR STORING A PREDETERMINED AMOUNT OF AN OXIDIZING GAS HAVING AN INLET AND AN OUTLET, THE CROSS-SECTIONAL AREA OF SAID SECOND BURETTE BEING LARGER THAN THAT OF THE FIRST BURETTE WHEREBY THE DISPLACEMENT OF GAS VOLUME PER UNIT LENGTH IN THE SECOND BURETTE PROVIDES AT LEAST A SUFFICIENT QUANTITY OF OXIDIZING GAS TO COMPLETE THE COMBUSION OF AN AMOUNT OF THE FUEL GASES DISPLACED FROM AN EQUAL LENGTH OF THE FIRST BURETTE; AN IGNITION CAPILLARY TUBE; MEANS FOR HEATING SAID IGNITION TUBE; A MIXING TUBE AND THE OTHER CONNECTED TO ONE END OF THE IGNITION TUBE AND THE OTHER END CONNECTED TO THE OUTLETS OF BOTH THE FIRST AND SECOND BURETTES; A STORAGE CONTAINER CONNECTED TO SAID IGNITION TUBE FOR RECEIVING THE IGNITED GASES FROM SAID IGNITION TUBE MEANS FOR CAUSING LIQUID TO FLOW SIMULTANEOUSLY INTO THE INLETS OF THE TWO BURETTES, WHEREBY THE LIQUID LEVEL IN THE FIRST BURETTE BEING AT ALL TIMES SUBSTANTIALLY THE SAME AS THAT IN THE SECOND BURETTE AND THE FUEL GASES AND THE OXIDIZING GASES ARE CAUSED TO FLOW OUT OF THE FIRST AND SECOND BURETTES THROUGH THE MIXING TUBE, BEING MIXED THEREIN AND INTO AND THROUGH THE IGNITION TUBE AND INTO SAID STORAGE CONTAINER AND MEANS FOR CHEMICALLY ANALYZING THE IGNITED GASES.
Claim 2
Dependent Claim
242 words
APPARATUS FOR IGNITING AND ANALYZING COMBUSTIBLE FUEL GASES, COMPRISING: A FIRST BURETTE FOR STORING A PREDETERMINED AMOUNT OF THE FUEL GASES TO BE IGNITED HAVING AN INLET AND AN OUTLET; A SECOND BURETTE FOR STORING A PREDETERMINED AMOUNT OF AN OXIDIZING GAS HAVING AN INLET AND AN OUTLET, THE CROSS-SECTIONAL AREA OF SAID SECOND BURETTE BEING LARGER THAN THAT OF THE FIRST BURETTE WHEREBY THE DISPLACEMENT OF GAS VOLUME PER UNIT LENGTH IN THE SECOND BURETTE PROVIDES AT LEAST A SUFFICIENT QUANTITY OF OXIDIZING GAS TO COMPLETE THE COMBUSION OF AN AMOUNT OF THE FUEL GASES DISPLACED FROM AN EQUAL LENGTH OF THE FIRST BURETTE; AN IGNITION CAPILLARY TUBE; MEANS FOR HEATING SAID IGNITION TUBE; A MIXING TUBE AND THE OTHER CONNECTED TO ONE END OF THE IGNITION TUBE AND THE OTHER END CONNECTED TO THE OUTLETS OF BOTH THE FIRST AND SECOND BURETTES; A STORAGE CONTAINER CONNECTED TO SAID IGNITION TUBE FOR RECEIVING THE IGNITED GASES FROM SAID IGNITION TUBE MEANS FOR CAUSING LIQUID TO FLOW SIMULTANEOUSLY INTO THE INLETS OF THE TWO BURETTES, WHEREBY THE LIQUID LEVEL IN THE FIRST BURETTE BEING AT ALL TIMES SUBSTANTIALLY THE SAME AS THAT IN THE SECOND BURETTE AND THE FUEL GASES AND THE OXIDIZING GASES ARE CAUSED TO FLOW OUT OF THE FIRST AND SECOND BURETTES THROUGH THE MIXING TUBE, BEING MIXED THEREIN AND INTO AND THROUGH THE IGNITION TUBE AND INTO SAID STORAGE CONTAINER AND MEANS FOR CHEMICALLY ANALYZING THE IGNITED GASES.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |