Bearing support structure for turbine

Details Bearing support structure for turbine Bearing support structure for turbine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 25/16 (2006.01) F02C 7/06 (2006.01) F16C 35/00 (2006.01)

Patent

CA 2683382

Bearing support structure for turbines comprising an inner ring (1) and an outer ring (2) radially connected by means of structural hollows (5) and aerodynamic vanes (6) in a circumference-like arrangement between both rings (1, 2). The aerodynamic vanes (6) are thinner and lighter than the structural vanes (5), and the number of structural vanes (5) depends exclusively on the loads of the bearing (3) housed in the structure to be transmitted to the anchoring points (7) of the engine assembly located in the outer ring (2), and on the amount of service fluids which must go through between the inner ring (1) and the outer ring (2), while the number of aerodynamic vanes (6) and their section depends exclusively on the aerodynamic requirements demanded from the support structure for the straightening of the turbine main flow. Thus, the structural vanes (5) fulfill only structural functions and the aerodynamic vanes (6) fulfill only aerodynamic functions.

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