Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Reexamination Certificate
2005-05-10
2005-05-10
Lopez, F. Daniel (Department: 3745)
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
C415S116000, C415S136000
Reexamination Certificate
active
06890147
ABSTRACT:
An easy-fit heat screening device (110) for connecting a cooling pipe (112) and a through-hole (114) formed in a nozzle support ring (116) of a gas turbine, of the type comprising a tubular structure (118) which has an external diameter smaller than a diameter of the through-hole (114) and into which the cooling pipe (112) extends; this tubular structure (118) has at the top a shaped annular end (126) which is inserted inside a groove (130) formed in the through-hole (114).
REFERENCES:
patent: 3574354 (1971-04-01), Mischel
patent: 5517817 (1996-05-01), Hines
patent: 6382906 (2002-05-01), Brassfield et al.
patent: 6398485 (2002-06-01), Frosini et al.
Lopez F. Daniel
McAleenan James M.
Nixon & Vanderhye
Nuovo Pignone Holding S.p.A.
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