Blade sealing for impeller pumps

Details Blade sealing for impeller pumps Blade sealing for impeller pumps

1985-09-17

1987-04-14

Croyle, Carlton R.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and vane

418137, F04O 2700

Patent

active

046574913

ABSTRACT:
A sealing for a rotary impeller blade partially extending outwardly from a rotor of an impeller pump includes two sealing strips of plastics, the ends of which abut against the opposing side faces of the blade in the region of a slot found in the rotor, and two respective supporting members of metal. Each supporting member secured to the assigned sealing strips reliably supports the sealing strip whereby the sealing strips resist to vibrations occurring at high speeds of the pump during operation.

REFERENCES:
patent: 3437265 (1969-04-01), Rohde
patent: 3456624 (1969-07-01), Okamoto
patent: 3790317 (1974-02-01), Hyde
patent: 4451218 (1984-05-01), Rembold

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