Device for optimizing and adjustment of steam balance hole area

Details Device for optimizing and adjustment of steam balance hole area Device for optimizing and adjustment of steam balance hole area

2006-11-14

2006-11-14

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Both inlet and outlet to working fluid

C416S09600A, C416S001000

Reexamination Certificate

active

07134841

ABSTRACT:
A hole diameter adjustment device for changing an existing diameter of a hole formed in a component to a smaller desired diameter includes an outer sleeve adapted for insertion within the existing hole, the first outer sleeve having an inner bore including a first tapered portion and an axially aligned first threaded portion; and an inner sleeve adapted for insertion within the outer sleeve, the inner sleeve having a tapered outer surface adapted to engage the first tapered portion of the outer sleeve, and an axially aligned second threaded portion adapted to engage the first threaded portion, the second sleeve formed with an internal bore of the smaller desired diameter.

REFERENCES:
patent: 3668968 (1972-06-01), Modrey
patent: 3865497 (1975-02-01), Bratt et al.
patent: 6364613 (2002-04-01), Deallenbach et al.
patent: 6773227 (2004-08-01), Montgomery

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