Method of making dynamoelectric machines and assemblies therefor

Details Method of making dynamoelectric machines and assemblies therefor Method of making dynamoelectric machines and assemblies therefor

1974-12-16

1976-01-20

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

291635F, 184 11R, 308 89R, 308132, 310 90, H02K 1514

Patent

active

039329305

ABSTRACT:
Lubrication system includes lubricant reservoir that contains an extrudable base material impregnated with lubricant, such as oil. Motor parts, including the reservoir defining parts, are readily assembled with one another and retaining means is provided that permits the efficient transfer of oil to extrudable base material, but prevents inadvertent movement of base material away from a predetermined locale in reservoir. In one illustrated form, such means are in the form of a plastic member or basket having perforations therein of a size to restrict the movement of extrudable base material therepast and yet promote the movement of oil into the predetermined locale. In another form a retainer member is fabricated from a lanced and expanded metallic material that forms a perforated base material retainer or basket. Retainer may be collapsed to permit accommodation thereof in reservoirs of various lengths, and reduce the need to stock differently sized retainers for machines having different reservoir dimensions. Method includes extruding material quickly through a plurality of extrusion openings, so as to reduce tendency to form air pockets or voids within reservoir and reduce filling time; and restricting free flow or movement of the extruded material with a perforated or foraminous wall.

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