Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1997-12-17
2000-10-31
Ryznic, John E.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
415115, B63H 114, F01D 514
Patent
active
061392693
ABSTRACT:
A convectively cooled turbine blade has two distinct cooling air passage systems. The first system cools the blade leading edge and emits cooling air through outlet passageways in the leading edge arranged in showerhead array. The second system includes a five-pass series flow passage comprising five cooling passage sections that extend in series through the remainder of the blade. Cooling air resupply passages inject additional cooling air into the third and fifth cooling passage sections.
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Hayes Christopher T.
Ryznic John E.
United Technologies Corporation
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