Insulated hub arrangement for high temperature centrifugal fan

Details Insulated hub arrangement for high temperature centrifugal fan Insulated hub arrangement for high temperature centrifugal fan

1978-10-25

1980-08-19

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416184, 416224, F04D 2928, F04D 2958

Patent

active

042181860

ABSTRACT:
An improved heat shield and thermal insulating arrangement for a hub 12 of a high temperature centrifugal fan includes a cover overlying thermal insulation 38, the cover including a circumferential portion comprising segments 42, 44, an end ring 52, and fasteners 54, 58 holding the cover to the hub and a locking collar 28, with the cover basically shielding the root portion 20 of the hub, and being remote from and unattached to the wheel plate 16.

REFERENCES:
patent: 1090495 (1914-03-01), Otis
patent: 2287853 (1942-06-01), Allardice
patent: 2428728 (1947-10-01), Watson
patent: 2836348 (1958-05-01), McDonald

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