Fan blade fabrication system

Details Fan blade fabrication system Fan blade fabrication system

1987-02-10

1988-12-20

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291568R, B23P 1504

Patent

active

047917130

ABSTRACT:
A system for fabricating fan blades wherein the assembly includes a flat hub plate having generally radially oriented notches defined therein intersecting the plate periphery. Individual blades each include a hub connection portion adjacent an inner end region which includes parallel flat portions angularly related to the general blade configuration interconnected by a transition portion. The flat blade portions are located upon opposite sides of the hub plate and the transition portion extends through the hub plate notch. The flat portions are attached to the hub plate, and by predetermining the position of the hub connection configuration on the blade, the fan characteristics can be predetermined and accurately duplicated. The system permits a standard set of tools to form a variety of sizes of the fan blade components having various characteristics.

REFERENCES:
patent: 2581872 (1952-01-01), Morrison
patent: 2952902 (1960-09-01), Mora
patent: 3659959 (1972-05-01), Holstrom
patent: 3733147 (1973-05-01), Felker
patent: 4142844 (1979-03-01), Brattstrom
patent: 4249861 (1981-02-01), Charles

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