Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Reexamination Certificate
2006-09-12
2010-02-23
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
C415S209300, C415S209400, C416S21900R, C416S24100B, C029S888020
Reexamination Certificate
active
07665963
ABSTRACT:
A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in an outer base, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane in the oversized cavity. The wedge has a first surface with a constant pitch angle to match the outer base cavity and a second surface with a variable pitch angle to match the vane tip dovetail.
REFERENCES:
patent: 2834537 (1958-05-01), Neary
patent: 2857093 (1958-10-01), Warnken
patent: 3339833 (1967-09-01), Bill et al.
patent: 3778185 (1973-12-01), Plowman et al.
patent: 4907946 (1990-03-01), Ciokajlo et al.
patent: 5074752 (1991-12-01), Murphy et al.
patent: 5083900 (1992-01-01), Carletti et al.
patent: 5547342 (1996-08-01), Furseth et al.
patent: 5569019 (1996-10-01), Katariya
patent: 2007/0098557 (2007-05-01), Barnett et al.
patent: 2007/0248463 (2007-10-01), Bogue et al.
patent: 171329 (1986-02-01), None
European Search Report, Application No. 07253600.6-2315.
Bogue William
McCollum Bruce A.
Bachman & LaPointe P.C.
Kershteyn Igor
United Technologies Corporation
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