Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot
Reexamination Certificate
2007-12-11
2007-12-11
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received in well or slot
Reexamination Certificate
active
11271296
ABSTRACT:
A rotor of a turbo machine having a rotor base and a plurality of rotor blades. Each rotor blade is anchored in an axial groove of the rotor base body via the blade footing and the rotor blades are secured in the rotor base body by locking plates which are guided in ring grooves of the rotor base body and the rotor blades. The locking plates have a diamond-shaped outline, in particular in the form of a parallelogram or a rhombus such that in an insertion position, the locking plates can be inserted between the rotor base body and the rotor blades, and in an installation position, which is rotated with respect to this insertion position, they can be rotated into the ring grooves of the rotor base body and the rotor blades.
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Crowell & Moring LLP
MTU Aero Engines GmbH
Nguyen Ninh H.
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