Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Turbo machine
Patent
1989-01-16
1990-07-24
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Turbo machine
416207, 416241A, F04D 2920
Patent
active
049432095
ABSTRACT:
A plastic blower impeller including an integrally formed plastic hub having three axial slots therein equidistantly located around the hub. A bore in the hub includes transverse ribs for engaging with an annular groove in the driving shaft of an electric motor. A flat surface is formed inside the bore for engaging with the corresponding flat surface on the driving shaft of an electric motor. A resilient expandable split metal sleeve engages the exterior surface of the hub.
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Heil-Quaker Corporation
Kwon John T.
Look Edward K.
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