GAS TURBINE RETURN-CIRCUIT RIG Russian patent published in 2009 - IPC F01D25/24 F01D9/04 

FIELD: engines and pumps.

SUBSTANCE: gas turbine return-circuit rig with horizontal joint comprises two-halves jacket and guide vane units. The latter are combined into diaphragm sectors fitted into vertical groove of the jacket upper and lower halves. Every sector of aforesaid diaphragm consists of outer grooved semi-ring and return-circuit rings flanged thereto. Guide vane units are locked axially relative to outer semi-ring by locking semi-ring fitted on the side of vertical flat surfaces of flanges located downstream of gas flow. Outer and locking semi-rings are screwed together.

EFFECT: higher reliability of joint, ease of assembly/disassembly.

4 dwg