Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means
Reexamination Certificate
2007-04-24
2007-04-24
Edgar, Richard A. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
C416S19300A, C416S22000A, C416S248000
Reexamination Certificate
active
11016994
ABSTRACT:
A cooling arrangement comprises a support (20) for a plurality of blades (22). The support (20) comprises a plurality of blade mounting members (28) provided between adjacent blades (22). The blades (22) are mounted upon the blade mounting members (28). The cooling arrangement defines a pathway (36) for a cooling fluid. The cooling arrangement further includes a fluid directing formation (40, 44, 44A) to direct the cooling fluid across the blade mounting member (28).
REFERENCES:
patent: 2656147 (1953-10-01), Brownhill
patent: 5222865 (1993-06-01), Corsmeier
patent: 5281097 (1994-01-01), Wilson
patent: 5388962 (1995-02-01), Wygle
patent: 5836742 (1998-11-01), Dierksmeier
patent: 6416282 (2002-07-01), Beeck et al.
patent: 1 464 792 (2004-10-01), None
Son Changmin
Townes Roderick M
Young Colin
Edgar Richard A.
Manelli Denison & Selter PLLC
Rolls-Royce plc
Taltavull W. Warren
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