EXHAUST HOUSING HUB FOR TURBOMACHINE, EXHAUST HOUSING OF TURBOMACHINE AND TURBOMACHINE Russian patent published in 2018 - IPC F01D25/16 F01D25/24 F01D25/28 

FIELD: motors and pumps.

SUBSTANCE: hub of the exhaust housing of a gas-turbine engine comprises an internal mounting flange, which is designed with possibility of being secured to a bearing support, an annular connecting wall, an annular inner wall of the vein, and a number of stiffeners and first sections of the racks. Said connecting wall connects the inner wall of the vein with the internal mounting flange, the radial section of the connecting wall being curved. Said stiffeners are made radially between the connecting wall and the inner wall of the vein. First sections of the racks are arranged along the internal wall of the vein and are made as one piece with it with the possibility of being secured to corresponding second sections of the racks of the body. Another invention of the group relates to an exhaust housing of a gas-turbine engine having a longitudinal axis and comprising a hub centered along the longitudinal axis, as well as an outer shell coaxial with the hub and a set of racks. Said racks connect the internal wall of the vein with the outer shell and contain the first sections of the hub carriers and corresponding second part of the racks of the body, while the first sections of the racks are fixed to the second sections of the racks. Yet another invention of the group relates to a gas-turbine engine comprising said outlet body.

EFFECT: group of inventions allows to increase the service life of the gas-turbine engine body, and also to increase its reliability.

23 cl, 4 dwg