Methods of fabricating impeller blades for mixing apparatus

Details Methods of fabricating impeller blades for mixing apparatus Methods of fabricating impeller blades for mixing apparatus

1990-09-21

1991-09-10

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

29889, 723792, 72411, B21D 5300

Patent

active

050462458

ABSTRACT:
A mixer impeller made up of paddle shaped blades, which near their tips (e.g., at 90% of the radius of the impeller from its axis of rotation) are of a width at least 40% of the impeller's diameter. The blades also having camber and twist. They are formed by establishing bending moments which form the blades into sections which are curved and flat, with the flat sections being at least in the center area of the base of the blades.

REFERENCES:
patent: 3058511 (1962-10-01), Phillips
patent: 3580039 (1971-05-01), Hinonen
patent: 4164061 (1979-08-01), Bronovsky et al.
patent: 4364667 (1982-12-01), Reiner
patent: 4383426 (1983-05-01), Legge
patent: 4845992 (1989-07-01), Dean
"Handbook of Metal Forming", Kurt Large, ed. 1985, McGraw Hill, N.Y., sect 2.18, 2.2.4 & chap. 19.

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