Air cooled machine and cooling fan

Details Air cooled machine and cooling fan Air cooled machine and cooling fan

1980-12-19

1983-08-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 58, 310 63, 415170A, H02K 906

Patent

active

043993796

ABSTRACT:
A fan assembly has a sealing ring which rotatably fits with a similar feature on a machine casting when the fan is assembled to the machine to provide a labyrinth type seal which is maintained over a wide variation and axial gap to inhibit the flow of air bypassing the normal flow through the machine so that the fan pumps greater quantities of air through the machine for improved cooling of all elements therein.

REFERENCES:
patent: 1020699 (1912-03-01), Kieser
patent: 1999163 (1935-04-01), Allen
patent: 2209109 (1940-07-01), Bungartz
patent: 2993449 (1961-07-01), Harland
patent: 3228342 (1966-01-01), Page
patent: 3252025 (1966-05-01), Brown
patent: 3398696 (1968-08-01), Sproule
patent: 3538362 (1970-11-01), Cheethan
patent: 3548226 (1970-12-01), Sato
patent: 3666978 (1972-05-01), Renner

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