Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing
Patent
1989-05-30
1990-02-13
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Rotor having flow confining or deflecting web, shroud or...
Axially extending shroud ring or casing
416192, F04D 2938
Patent
active
049002295
ABSTRACT:
An axial flow ring fan has improved efficiency and reduced noise by making the leading edge of each blade a generally sinusoidal shape.
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Brackett Stephen E.
Charles Herbert N.
Boller George L.
Powell Jr. Everette A.
Siemens-Bendix Automotive Electronic Limited
Wells Russel C.
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