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- Patents > 2008-08-07 > SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING > COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS > JET-PROPULSION PLANTS
GAS TURBINE WITH CONTRAROTATING HP AND LP TURBINES
A gas turbine with contrarotating HP and LP turbines comprises an LP turbine having a plurality of moving wheels alternating with nozzles, the moving wheels of the LP turbine rotating in a direction opposite to the direction of rotation of the moving wheel of the HP turbine, and an inter-turbine casing having inner and outer casing walls defining a stream passage between the HP and LP turbines together with arms extending across the passage between the inner and outer casing walls. The gas turbine does not have a nozzle or device for forming the function of deflecting the stream between the outlet from the HP turbine and the first moving wheel of the LP turbine. The HP turbine is advantageously designed to deliver a stream that gyrates in the inter-turbine casing.
Filed on: 2008-02-05; Application Number: 12026033
Applicant(s)Jean Michel Bernard Guimbard