F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/06 (2006.01) F01D 5/34 (2006.01) F04D 19/02 (2006.01) F04D 29/32 (2006.01)
Patent
CA 2733435
The invention has to do with a rotor stage of an axial turbomachine compressor drum (2). The rotor stage comprises a symmetrical wall (4) in rotation around the axis of rotation. The wall (4) comprises a veil defining the general form of the drum and an annular area (20, 21, 22) intended to support a row of vanes (14), the aforesaid area being integrally formed with the veil. This area has a particular form in that it has an exterior surface delimiting the fluid stream, which is elevated in relation to the veil. This area has a "U"-shape cross-section, of which the open part is directed towards the axis of rotation. The annular area comprises two wall parts, one upstream (20) and one downstream (22), ensuring the connection with the veil and being used as stiffeners. They are preferably perpendicular to the axis of rotation or inclined in relation to the perpendicular. The junction of each upstream (20) and downstream (22) wall part with the central part (21) of the support area is at the distance of the corresponding edge of the central part (21), so as to avoid certain stress concentrations.
Hill & Schumacher
Techspace Aero S.a.
LandOfFree
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