Base material with cooling air hole
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United States of America Patent
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-
May 30, 2006
Issued Date -
N/A
app pub date -
Jul 27, 2004
filing date -
Jul 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A base material (2) with a cooling air hole (1) is disclosed, means being present which prevent particles (5), which are located in the cooling air (4) which flows through the cooling air hole (1) during the operation of the cooling air hole (1), from closing the cooling air hole (1). In this arrangement, the means can consist in the edge of the cooling air hole (1) being uneven or having a ridge (3) or the cooling air hole (1) being star-shaped, ellipsoidal or linear or the cooling air hole (1) being circular and having lateral slots (7).
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