Pump impeller

Details Pump impeller Pump impeller

1982-05-17

1984-02-28

Smith, Leonard E.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

418153, 418241, F01C 504, F04C 2700

Patent

active

044339674

ABSTRACT:
A centrifugal pump impeller with vanes extending radially from an elastomeric hub in the operation of which the unavoidable flexing, i.e. alternately changing angular orientation, of the vanes in the hub does not contribute to any rupture, because the hub is provided with a compartment cooperating with each vane so that the flexing movements occur in that compartment, rather than causing stretching and compression in the hub elastomeric construction material which ultimately produces rupture or other such breakdown.

REFERENCES:
patent: 2233269 (1941-02-01), Napolitano
patent: 3086476 (1963-04-01), Weiss
patent: 3401872 (1968-09-01), Adsit
patent: 3552895 (1969-05-01), Bayley

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