Pump impeller and rotor shaft attachment construction

Details Pump impeller and rotor shaft attachment construction Pump impeller and rotor shaft attachment construction

1988-06-20

1990-01-02

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416134R, F04D 2920

Patent

active

048909823

ABSTRACT:
A pump including an impeller adapted to be removably mounted on a powered shaft, the impeller including a bore opening for complimentary reception of the shaft. The bore opening of the impeller has a torque inducing surface which abuts a complimentary torque inducing surface on the shaft. The impeller includes a plurality of circumferentially spaced flexible finger members disposed in axially extending relation about the bore opening which include inwardly directed bosses for axially securing the impeller to the shaft, and a cap element to retain the finger members compressively against the shaft.

REFERENCES:
patent: 2558589 (1951-06-01), Skolfield
patent: 2882077 (1959-04-01), Marsh
patent: 3264016 (1966-08-01), Reisch
patent: 3342273 (1967-09-01), Crane
patent: 3376057 (1968-04-01), Van Buren, Jr.
patent: 3567335 (1971-03-01), David et al.
patent: 3709633 (1973-01-01), Wooden
patent: 3872691 (1975-03-01), Hilderbrandt
patent: 4194847 (1980-03-01), Grey

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