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US3618319A Expired / Lapsed US ⏱️ 0.0 years remaining

Main combustion system and combustion process

Assignee: General Electric Co
•
Filing: 1966-08-02
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Granted: 1971-11-09
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Expires: 1986-08-02
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Abstract

Abstract IMPROVED CONSTRUCTION FOR THE COMBUSTION OF FUELS IN A COMBUSTION SYSTEM, AS FOR EXAMPLE A GAS TURBINE, IS DESCRIBED WHEREIN MEANS ARE PROVIDED FOR ACCURATELY METERING THE INCOMING PRIMARY AIR FLOW IN RELATION TO CHANGES IN METERED FUEL IMPUTS WHEREBY A REALTIVELY CONSTANT EQUIVALENCE RATIO FOR THE FUEL-PRIMARY AIR MIXTURE MAY BE MAINTAINED, AND WHEREIN SECONDARY AIR IS ISOLATED IN RIBBON-LIKE RADIALLY-DIRECTED FLOWS PARALLEL TO AND INTERLEAVED WITH THE PRIMARY AIR-FUEL MIXTURE FOR CONTROLLED COOLING OF THE TURBINE NOZZLE PARTITIONS AND/OR OF THE COMBUSTION PRODUCTS. THE METERING MEANS FOR THE PRIMARY AIR FLOW AUTOMATICALLY CONTROL THE AMOUNT OF AIR IN THE PRIMARY AIR STREAMS IN INVERSE RELATION TO THE AMOUNT OF AIR IN THE SECONDARY AIR STREAMS.

Inventors

  • 👤 Paul H Kydd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:59
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-11-08 1975-05-10 1975-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-08 1979-05-10 1979-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-08 1983-05-10 1983-11-09 $7700.00 Window Closed / Lapsed

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