Patent · US Active

Method and guide for removing an inner casing from a turbomachine

US9528393B2 · kind B2 · utility

3Cited by

8References

7Claims

0Family size

Assignee

GENERAL ELECTRIC TECHNOLOGY GMBH · CH

Inventors

Tobias Huber · Herrischried, DE
Gerard Froidevaux · Neuenhof, CH
Daniel Seng · Wettingen, CH
Karsten Schwarz · Nussbaumen, CH

Key dates

Filing date	Sep 10, 2013
Grant date	Dec 27, 2016
Priority date	—
Expiry date	Mar 27, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49815
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The method for removing an inner casing from a machine such as a turbine or compressor includes providing supports between the outer casing and the inner casing of the machine, removing a top part of the outer casing, then removing a top part of the inner casing, then connecting a ring sector to a bottom part of the inner casing to replace the removed top part of the inner casing, then rotating the reciprocally connected ring sector and bottom part of the inner casing around the longitudinal axis to make the bottom part of the inner casing accessible, then removing the bottom part of the inner casing, guiding the reciprocally connected ring sector and bottom part of the inner casing during rotation, to prevent movement along the longitudinal axis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.