Patent US3294952A successfully refreshed from Google Patents.
US3294952A
Expired / Lapsed
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Method for heating gases
Assignee: Union Carbide Corp
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Filing: 1963-09-25
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Granted: 1966-12-27
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Richard C Eschenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:39
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD FOR HEATING GASES HAVING AN OXIDIZING COMPONENT WITH AN ELECTRIC ARC GAS HEATER HAVING A WATERCOOLED CUP-SHAPED ELECTRODE AND TUBULAR WATER-COOLED NOZZLE ELECTRODE OPEN AT BOTH ENDS AND AXIALLY SPACED FROM THE OPEN END OF THE CUP ELECTRODE; A WATER COOLED CHAMBER OF SUBSTANTIALLY GREATER DIAMETER THAN AND SURROUNDING THE SPACE BETWEEN SAID TWO ELECTRODES, AT LEAST ONE TANGENTIAL GAS INJECTION MEANS IN THE WALLS OF SAID CHAMBER FOR INTRODUCING GAS TO BE HEATED; SAID ELECTRODES BEING FABRICATED FROM AT LEAST ONE METAL TAKEN FROM THE CLASS OF METALS CONSISTING OF COPPER, ALUMINUM, TUNGSTEN, SILVER, MOLYBDENUM AND ALLOYS THEREOF, SAID METHOD COMPRISING INTRODUCING THE GAS TO BE HEATED INTO SAID CHAMBER SUCH THAT THE RATIO OF THE DIAMETER OF THE CIRCLE FORMED BY THE TANGENTIAL INJECTION MEANS TO THE INSIDE DIAMETER OF THE FRONT ELECTRODE TIMES THE TANGENTIAL COMPONENT OF THE MACH NUMBER IS EQUAL TO OR GREATER THAN 1 WITH THE PROVISO THAT SAID RATIO HAS A MAXIMUM VALUE OF 8.
Claim 2
Independent Claim
164 words
A METHOD FOR HEATING GASES HAVING AN OXIDIZING COMPONENT WITH AN ELECTRIC ARC GAS HEATER HAVING A WATERCOOLED CUP-SHAPED ELECTRODE AND TUBULAR WATER-COOLED NOZZLE ELECTRODE OPEN AT BOTH ENDS AND AXIALLY SPACED FROM THE OPEN END OF THE CUP ELECTRODE; A WATER COOLED CHAMBER OF SUBSTANTIALLY GREATER DIAMETER THAN AND SURROUNDING THE SPACE BETWEEN SAID TWO ELECTRODES, AT LEAST ONE TANGENTIAL GAS INJECTION MEANS IN THE WALLS OF SAID CHAMBER FOR INTRODUCING GAS TO BE HEATED; SAID ELECTRODES BEING FABRICATED FROM AT LEAST ONE METAL TAKEN FROM THE CLASS OF METALS CONSISTING OF COPPER, ALUMINUM, TUNGSTEN, SILVER, MOLYBDENUM AND ALLOYS THEREOF, SAID METHOD COMPRISING INTRODUCING THE GAS TO BE HEATED INTO SAID CHAMBER SUCH THAT THE RATIO OF THE DIAMETER OF THE CIRCLE FORMED BY THE TANGENTIAL INJECTION MEANS TO THE INSIDE DIAMETER OF THE FRONT ELECTRODE TIMES THE TANGENTIAL COMPONENT OF THE MACH NUMBER IS EQUAL TO OR GREATER THAN 1 WITH THE PROVISO THAT SAID RATIO HAS A MAXIMUM VALUE OF 8.
References Cited (Backward Citations)
US3077108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |