Method of constructing an axial flow fan

Details Method of constructing an axial flow fan Method of constructing an axial flow fan

1974-12-23

1976-07-20

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29446, 29455R, 415217, 416189, B23P 1504, B23P 1102

Patent

active

039698050

ABSTRACT:
A vane axial flow fan is shown having a shroud construction which provides greater than normal rigidity in the areas co-extensive with the stator vanes and fan wheel blades. Further, a novel method of constructing an axial flow fan is disclosed wherein the stator vanes are first mounted on an expandable split ring which is then placed within an annular stator housing. The split ring is then expanded to reduce stator vane end clearance prior to being permanently secured in place by welding.

REFERENCES:
patent: 1269144 (1918-06-01), Williamson
patent: 3156970 (1964-11-01), Zojac
patent: 3158122 (1964-11-01), De Give
patent: 3848518 (1974-11-01), Martin
patent: 3887976 (1975-06-01), Shields et al.

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