Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing
Patent
1997-12-15
2000-07-04
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Rotor having flow confining or deflecting web, shroud or...
Axially extending shroud ring or casing
416169A, 416223R, F04D 1706
Patent
active
060829699
ABSTRACT:
A quiet compact radiator cooling fan having a hub portion, which extends radially outwardly and axially from its inlet to its outlet end, a shroud portion, which extends radially inwardly and axially adjacent the inlet end and radially outwardly and axially adjacent its outlet end forming a converging annular opening and a plurality of airfoil shaped, forward sweep blades disposed between the hub and shroud which cooperate with the hub and shroud to produce a mixed flow radiator fan which has improved blade loading and aeroacoustic performance producing a quiet and efficient cooling fan for off the road vehicles.
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Carroll Jim K.
Kramer Delbert L.
Baehr Fred J.
Caterpillar Inc.
Look Edward K.
Myers Jeffrey L.
Shanley Matthew T.
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