Rotor end piece

Details Rotor end piece Rotor end piece

2006-05-23

2006-05-23

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

C416S22000A, C416S20400A

Reexamination Certificate

active

07048508

ABSTRACT:
A rotor end piece (1) for rotors (2) of thermal turbormachines is provided with circumferential slot (3), including two end piece halves (4, 4′) having side faces (5, 5′) opposite one another in the installed state and top surfaces (6, 6′) adjoining one another. The rotor end piece (1) side faces (5, 5′) of the end piece halves (4,4′) are connected to one another in a form-fitting manner. To this end, the side faces (5, 5′) are designed in such a way that a dovetail interlocking connection of the two end piece halves (4, 4′) is preferably realized. The interlocked end piece halves are then secured with a weld (8). The firm anchoring of the rotor end piece (1) achieved in this way prevents detachment during operation and damage to the turbomachine caused as a result.

REFERENCES:
patent: 2857134 (1958-10-01), Arkless
patent: 6299411 (2001-10-01), Freuschle et al.
patent: 349624 (1960-12-01), None
patent: 116517 (1918-06-01), None
Search Report from DE 103 10 431.3 (Mar. 11, 2003).

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