Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Interlocking blades
Reexamination Certificate
2007-09-04
2007-09-04
Nguyen, Hoang (Department: 3748)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Interlocking blades
C416S21400A
Reexamination Certificate
active
10959532
ABSTRACT:
Embodiments of the invention relate to an axial locking system for a row of blades in a turbine engine. While achieving the desired axial restraint, the system is configured to allow remote manipulation of the locking system. For example, a locking system provided on the upstream side of a row of blades can be accessed from the downstream side of the blades. Such a system can provide significant cost savings during the installation and removal of the blades. In one embodiment, the axial locking system can include a plate with a rotatable cam. Cooperating with the disc, the cam can be rotated to bring the radially outer end of the plate into locking engagement with the turbine blades. The cam can be manipulated from the other side of the disc by a tool extending through a passage formed between the disc and the blade root.
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Nguyen Hoang
Siemens Power Corporation, Inc.
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