METHOD OF MANUFACTURING AN IMPINGEMENT SLEEVE FOR A TURBINE ENGINE COMBUSTOR
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United States of America Patent
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Issued Date -
Dec 19, 2013
app pub date -
Jun 14, 2012
filing date -
Jun 14, 2012
priority date (Note) -
Abandoned
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Abstract
According to one aspect of the invention, a method of manufacturing an impingement sleeve for a turbine engine combustor includes placing a first metal sheet in a first die, pressing the first metal sheet in the first die to form a first vertical half of the impingement sleeve, placing a second metal sheet in a second die and pressing the second metal sheet in the second die to form a second vertical half of the impingement sleeve. The method also includes forming holes in the first vertical half and second vertical half while the first vertical half and second vertical half remain separate, positioning the first vertical half and second vertical half about a transition piece and welding the first vertical half to the second vertical half to form the impingement sleeve.
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