Rotary kinetic fluid motors or pumps – With separating means or guard for solid matter in working...
Patent
1986-01-14
1987-12-01
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
With separating means or guard for solid matter in working...
416247R, 98 941, 411338, 415219R, F04B 1700
Patent
active
047100966
ABSTRACT:
A fan casing for mounting a plurality of motor/fan units for cooling electronic apparatus mounted in racks or cabinets, the casing comprising two identical planar members to be assembled so that the motor/fan units are sandwiched between the planar members with finger guard members covering openings in the planar members. Inwardly directed projections formed by a pierce and plunge operation are provided on the planar members to engage in apertures in the motor/fan units to locate the motor/fan units and indentations are formed in the planar members to receive and locate the finger guard members so that when the two parts of the casing are assembled the finger guard members are disposed between the motor/fan units and the planar members. Attachment means are provided engaging in recesses to couple the two planar members one to the other, each planar member has parts of side walls and end walls integral therewith and the overall height 2D of the casing is 45 mm.
REFERENCES:
patent: 2442420 (1948-06-01), Lindvall
patent: 2715495 (1955-08-01), Sebastian
patent: 4240264 (1980-12-01), Nakada et al.
patent: 4568243 (1986-02-01), Schubert et al.
patent: 4599042 (1986-07-01), Colliver
Garrett Robert E.
Pitko Joseph M.
Rittal-Werk Rudolf LOH GmbH & CO KG
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