Fan mounting arrangement

Details Fan mounting arrangement Fan mounting arrangement

1977-06-23

1978-12-19

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial, conical flow runner

417360, 126110R, 312348, F01D 2524

Patent

active

041303768

ABSTRACT:
In a fan mounting arrangement in which a centrifugal fan housing has slide rails which are received in tracks of the fan base plate, the housing has an inclined flange along the edge of the fan discharge opening which leads as the housing is being installed, this flange being elevated by ramp means on the track as the housing approaches its final position so that the flange clears the edge of the opening in the fan base plate and pulls up the leading end of the fan housing for reducing air leakage between the fan housing discharge opening and the fan base plate. Additionally, the slide rails are provided with ramping means adjacent the trailing edge to elevate the trailing edge of the fan housing as it approaches its final position. The slide rails are fastened to the base plate after the fan housing is in its fully slid-in position, to prevent sliding of the housing relative to the base plate and also to insure the fan housing is pulled up tightly to the base plate.

REFERENCES:
patent: 2464473 (1949-03-01), Wessel
patent: 2798660 (1957-07-01), Flynn
patent: 2828683 (1958-04-01), Joseph et al.

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