Center plate-blade interconnection on a centrifugal blower wheel

Details Center plate-blade interconnection on a centrifugal blower wheel Center plate-blade interconnection on a centrifugal blower wheel

1982-06-18

1985-05-07

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

415 98, 416199, F04D 2928

Patent

active

045155275

ABSTRACT:
A center plate-blade attachment configuration for a centrifugal blower wheel which gives improved high speed rupture strength and improved resistance to the center plate slipping circumferentially relative to blades. The inner edge of each blade is provided with a T-shaped notch and the edges of the two discs forming the center plate are forced axially into the slots forming the ends of the head of each T, a distance such that the edges of the disc and the base of the slot are plastically deformed.

REFERENCES:
patent: 3055578 (1962-09-01), Mayne et al.
patent: 3080105 (1963-03-01), Merz
patent: 3711914 (1973-01-01), Baker

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