Electrical resistors – Ribbon resistance element bent or curved on flat side – Zigzag or sinuous
Patent
1992-06-05
1993-06-22
Lateef, Marvin M.
Electrical resistors
Ribbon resistance element bent or curved on flat side
Zigzag or sinuous
338280, 338281, H01C 300
Patent
active
052219178
ABSTRACT:
A fan-folded resistor ribbon is provided for use in resistor grids that are used for dynamic braking of diesel electric locomotives. The resistor ribbon is formed, from a continuous strip of resistance material, into flat portions that are connected by semi-tubular end loops. The outer surface of each semi-tubular end loop is an arcuate cylindrical surface that extends an angular distance of more than 180.degree. between the intersection lines where the flat portions join each of the end loops. The flat portions of the ribbon are embossed with one concave embossment and one convex embossment to further stiffen the ribbon material.
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Lateef Marvin M.
Mosebach Manufacturing Company
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