Methods of installing centerline supported carriers for...

Details Methods of installing centerline supported carriers for... Methods of installing centerline supported carriers for...

2004-11-12

2008-09-09

Chang, Rick K (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S525010, C029S525020, C029S525110

Reexamination Certificate

active

07421783

ABSTRACT:
Jack screws are threaded into the lower carrier half adjacent opposite ends and sides of the lower carrier half for supporting it on temporary support plates on shoulders in the lower outer shell. Tapped openings are provided below the temporary support plates. Alignment of the steam faces is carried out by adjusting the end jack screws. The upper carrier half is lowered onto the lower carrier half with bores in the upper carrier half receiving upper end portions of the jack screws. Permanent keys are secured to flanges of the upper carrier half to support the carrier from the lower outer shell. The jack screws and temporary plates are removed and hold down bolts are inserted into the bores and thread into the tapped opening to hold the carrier down on the lower outer shell.

REFERENCES:
patent: 1485887 (1924-03-01), Scanlan
patent: 4590653 (1986-05-01), Ades et al.
patent: 5004017 (1991-04-01), White
patent: 5170551 (1992-12-01), Norberg
patent: 6352404 (2002-03-01), Czachor et al.

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