Fan screen assembly

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Patent

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Details

4151212, F04D 2970

Patent

active

054744270

ABSTRACT:
A fan assembly having a housing having side walls, a fan having rotating blades mounted within the housing and a fan screen mounted relative to the housing and spaced from the rotating blades. The fan assembly includes a housing having two parallel spaced tracks for slidable reception of a pair of opposed parallel edges of the fan screen. The fan screen is slidably moveably between an operable position in front of the rotating blades and a fan clean-out position where the fan screen is at least partially disengaged from the tracks of the housing.

REFERENCES:
patent: 1971827 (1934-08-01), Morse
patent: 2017431 (1935-10-01), Anderson et al.
patent: 2259853 (1941-10-01), Koch
patent: 2373497 (1945-04-01), Paiste, Jr.
patent: 2617583 (1952-11-01), Kemler
patent: 2624504 (1953-01-01), Viewegh
patent: 2656974 (1953-10-01), Holstein
patent: 2728519 (1955-12-01), McLarty
patent: 2829819 (1958-04-01), Corwin
patent: 2862652 (1958-12-01), Holby et al.
patent: 2862657 (1958-12-01), Copeland et al.
patent: 3262638 (1966-07-01), Militello
patent: 3347452 (1967-10-01), Radcliffe
patent: 3787142 (1974-01-01), Dupke
patent: 3791333 (1974-02-01), Losch
patent: 3963382 (1976-06-01), Patton
patent: 4018270 (1977-04-01), Kolinger et al.
patent: 4022548 (1977-05-01), McLarty
patent: 4222318 (1980-09-01), Patton et al.
patent: 4657485 (1987-04-01), Hartwig
patent: 4818183 (1989-04-01), Schaefer
patent: 5348447 (1994-09-01), Redetzke
Dayton, Installation Instructions & Parts Manual, 36" Galvanized Vertical Direct-Drive Poultry Fan, Jul. 1991, pp. 1-4.
Dayton, Grainger.RTM., 1990 W. W. Grainger, Inc.
Raydot Inc., Total Ventilation Systems, 36 & 48 Series Fiberglass Flush Mount Belt Drive Exhaust Fans, Jun. 1989.
Dynavent Farm Equipement Inc., Hay Drying Fans.
Dynavent Farm Equipment Inc., Portable Barn Fan.
Agro-Power Galvanized Wall Fans.
Dayton, Operating Instructions & Parts Manual, Utility Shutter-Mounted Exhaust Fans, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, Guard-Mounted Exhaust Fans, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, Air Circulator, pp. 1-6.
Dayton, Operating Instructions & Parts Manual, 20" Whole House Window Fan, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, 36" Direct-Drive Mobile Air Circulator, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, Shutter-Mounted Exhaust Fans, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, Slant-Wall Housing Kit, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, 36" & 48" Galvanized Vertical Belt-Drive Agricultural Fan.
Dayton, Operating Instructions & Parts Manual, 48" Galvanized Vertical Belt-Drive Poultry Fan, pp. 1-4.
Dayton, Operating Instructions & Parts Manual, 36" Galvanized Vertical Belt-Drive Poultry Fan, pp. 1-4.
Dayton, Assembled Vertical Direct-Drive Poultry Fan and 12 to 20 Adjustable Speed Exhaust Fans.

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