Re-expansion type gas turbine engine with intercooler fan driven by the low pressure turbine

• US 3,209,536 A
• Filed: 04/04/1960
• Issued: 10/05/1965
• Est. Priority Date: 04/04/1960
• Status: Expired due to Term

• Current Assignee: Benjamin T. Howes, Ivan M. Swatman
• Original Assignee: Benjamin T. Howes, Ivan M. Swatman
• Inventors: Howes, Benjamin T., Swatman, Ivan M.
• Application Number:
  US04/019,797
• Time in Patent Office: 2,010 Days
• US Class Current: 60/791
• CPC Class Codes: F02C 3/10 with another turbine driving an output shaft but not driving the compressor
• CPC Class Codes: F02C 3/103 the compressor being of the centrifugal type
• CPC Class Codes: F02C 6/20 Adaptations of gas-turbine plants for driving vehicles
• CPC Class Codes: F02C 7/08 Heating air supply before combustion, e.g. by exhaust gases
• CPC Class Codes: F02C 7/143 before or between the compressor stages
• CPC Class Codes: F02C 7/185 Cooling means for reducing the temperature of the cooling air or gas
• CPC Class Codes: F02C 7/32 Arrangement, mounting, or driving, of auxiliaries

Claims

6. A GAS TURBINE ENGINE COMPRISING A LOW PRESSURE SPOOL INCLUDING A COMPRESSOR AND A TURBINE, A HIGH PRESSURE SPOOL INCLUDING A COMPRESSOR AND A TURBINE, A POWER TURBINE, A BURNER CONNECTED TO SUPPLY MOTIVE FLUID TO SAID TURBINES, THE AXES OF SAID LOW PRESSURE SPOOL, SAID HIGH PRESSURE SPOOL, SAID POWER TURBINE AND SAID BURNER DEFINING A PLANE PASSING THROUGH SAID ENGINE, A FIRST RECUPERATOR CONNECTED BETWEEN THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND SAID BURNER AND BEING POSITIONED ON ONE SIDE OF SAID PLANE, A SECOND RECUPERATOR CONNECTED BETWEEN THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND SAID BURNER AND BEING POSITIONED SYMMETRICALLY ON THE OTHER SIDE OF SAID PLANE WITH RESPECT TO SAID FIRST RECUPERATOR, BOTH OF SAID RECUPERATORS BEING CONNECTED TO RECEIVE EXHAUST GASES FROM SAID POWER TURBINE AND THE TURBINE OF SAID LOW PRESSURE SPOOL, SAID RECUPERATORS CONTAINING MEANS FOR TRANSFERRING ENERGY FROM THE EXHAUST GASES TO THE COMPRESSED AIR, A FIRST INTERCOOLER CONNECTED BETWEEN THE COMPRESSOR OF SAID LOW PRESSURE SPOOL AND THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND BEING POSITIONED ON ONE SIDE OF SAID PLANE, A SECOND INTERCOOLER CONNECTED BETWEEN THE COMPRESSOR OF SAID LOW PRESSURE SPOOL AND THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND BEING POSITIONED SYMMETRICALLY ON THE OTHER SIDE OF SAID PLANE WITH RESPECT TO THE FIRST INTERCOOLER.