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US3057708A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the thermal processing of carbon-containing gas by direct heat exchange with another gas

Assignee: Individual
•
Filing: 1958-11-06
•
Granted: 1962-10-09
•
Expires: 1978-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hilgers Giovanni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:49
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/32; C01B3/34; C10G; C10G9/00; C10G9/34; C10G9/36; C10J3/50; C10J3/506; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 161 words
THE METHOD OF PRODUCING FUEL GAS BY GASIFYING A CARBON-CONTAINING FUEL SUBSTANCE, WHICH COMPRISES PASSING SEPARATELY AND COAXIALLY A HEATING GAS AND A CARRIER GAS THROUGH AN ANNULAR PROCESSING CHAMBER OF CIRCULAR CROSS SECTION SO AS TO TRANSFER HEAT FROM SAID HEATING GAS TO SAID CARRIER GAS, THE CARRIER GAS CONTAINING THE SUBSTANCE TO BE PROCESSED, INJECTING SAID TWO GASES SEPARATELY INTO SAID CHAMBER SO AS TO IMPART TO SAID TWO GASES RESPECTIVE ROTARY MOVEMENTS OF THE SAME DIRECTION AND SUBSTANTIALLY THE SAME ANGULAR VELOCITY AND FORMING THEREBY TWO ADJACENT, ANNULAR, COAXIAL, HELICAL STREAMS OF GAS HAVING DIFFERENT RADII AND WITHOUT ANY SUBSTANTIAL MIXING OF THE TWO GAS STREAMS, ONE STREAM BEING SUBSTANTIALLY WITHIN AND ADJACENT TO THE OTHER AND IN DIRECT HEAT EXCHANGING RELATION THERETO, WHEREBY SAID CARBON-CONTAINING SUBSTANCE IN SAID CARRIER GAS BECOMES THERMALLY CRACKED AND CONVERTED INTO A COMBUSTIBLE FUEL GAS, AND THEN SEPARATELY WITHDRAWING FROM SAID CHAMBER SAID COMBUSTIBLE FUEL GAS THUS FORMED AND SAID HEATING GAS.
Claim 2
Independent Claim 161 words
THE METHOD OF PRODUCING FUEL GAS BY GASIFYING A CARBON-CONTAINING FUEL SUBSTANCE, WHICH COMPRISES PASSING SEPARATELY AND COAXIALLY A HEATING GAS AND A CARRIER GAS THROUGH AN ANNULAR PROCESSING CHAMBER OF CIRCULAR CROSS SECTION SO AS TO TRANSFER HEAT FROM SAID HEATING GAS TO SAID CARRIER GAS, THE CARRIER GAS CONTAINING THE SUBSTANCE TO BE PROCESSED, INJECTING SAID TWO GASES SEPARATELY INTO SAID CHAMBER SO AS TO IMPART TO SAID TWO GASES RESPECTIVE ROTARY MOVEMENTS OF THE SAME DIRECTION AND SUBSTANTIALLY THE SAME ANGULAR VELOCITY AND FORMING THEREBY TWO ADJACENT, ANNULAR, COAXIAL, HELICAL STREAMS OF GAS HAVING DIFFERENT RADII AND WITHOUT ANY SUBSTANTIAL MIXING OF THE TWO GAS STREAMS, ONE STREAM BEING SUBSTANTIALLY WITHIN AND ADJACENT TO THE OTHER AND IN DIRECT HEAT EXCHANGING RELATION THERETO, WHEREBY SAID CARBON-CONTAINING SUBSTANCE IN SAID CARRIER GAS BECOMES THERMALLY CRACKED AND CONVERTED INTO A COMBUSTIBLE FUEL GAS, AND THEN SEPARATELY WITHDRAWING FROM SAID CHAMBER SAID COMBUSTIBLE FUEL GAS THUS FORMED AND SAID HEATING GAS.

References Cited (Backward Citations)

US1055334A Cited
US1437587A Cited
US1505809A Cited
US1892559A Cited
US2546042A Cited
US2599981A Cited
US2865820A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-08 1966-04-09 1966-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-08 1970-04-09 1970-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-08 1974-04-09 1974-10-09 $7700.00 Window Closed / Lapsed

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