Rotary kinetic fluid motors or pumps – With separating means or guard for solid matter in working...
Patent
1992-07-22
1993-06-22
Look, Edward K.
Rotary kinetic fluid motors or pumps
With separating means or guard for solid matter in working...
4151821, 4152081, 4152141, 4152112, 416247R, 403 11, 403274, F01D 2524
Patent
active
052211800
ABSTRACT:
A unitized metallic fan housing having a peripheral wall spaced about a fan's axis of rotation and extending axially therebeyond. A plurality of flanges are integrally connected to and extend substantially perpendicular to the peripheral wall toward the axis of rotation. At least one screen is connected to the flanges by rigid but malleable tabs formed thereon that are bent around a peripheral strand of the screen. Apertures are defined by and extend through the flanges to provide access to the tabs such that the tabs may be urged toward the peripheral wall to tension the screen therewithin, whereby the rigid nature of the tabs secures the screen to the flanges in a tensioned position. Holes are defined by and extend through the peripheral wall to provide access to the tabs such that the tabs may be urged from the peripheral wall to reduce the tension of the screen and to disengage the peripheral strand from the tabs such that the screen may be removed from the peripheral wall and replaced.
REFERENCES:
patent: 2628020 (1953-02-01), Koch
patent: 3402882 (1968-09-01), Militello
patent: 4021988 (1977-05-01), Edeus et al.
patent: 4781526 (1988-11-01), Mead
Hired Hand Manufacturing, Inc.
Look Edward K.
Verdier Christopher
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