Impeller wheel for conveying a medium

Details Impeller wheel for conveying a medium Impeller wheel for conveying a medium

1988-01-21

1990-05-08

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415 551, F04D 2966

Patent

active

049233653

ABSTRACT:
An impeller wheel for feeding a medium, for example fuel, includes a plurality of vanes spaced from each other at non-uniform intervals along the periphery of the impeller wheel. To reduce tonal noise to a minimum during the feeding of the medium the vanes are distributed in accordance with the mathematical interrelations of a pseudonoise sequence.

REFERENCES:
patent: 3849024 (1974-11-01), Masai et al.
patent: 4253800 (1981-03-01), Segawa et al.
patent: 4403910 (1983-09-01), Watanabe et al.
patent: 4566866 (1986-01-01), Kemmner

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