Helmut E Durr is a notable inventor based in Dunwoody, GA (US), recognized for his contributions to the field of conductor technology. With a total of 6 patents to his name, Durr has made significant advancements that enhance the performance and efficiency of electrical cables.

Latest Patents

One of Durr's latest inventions is the pulp-insulated conductor cable. This innovative cable design includes a number of pulp-insulated conductor pairs per unit of cable cross-sectional area, which is substantially greater than in prior art cables. Each pulp-insulated conductor features a metallic conductor enclosed in a composite insulation cover that has a controlled dielectric constant and a controlled adhesion of the cover to the conductor. The composite cover consists of a pulpous material and a layer of adhesive material that bonds the pulpous material to the conductor, allowing for a reduced thickness of pulpous material without degrading the transmission characteristics of the cable. Additionally, the mechanical integrity of the insulation cover permits a reduction in the moisture content of the pulpous material, increasing its density without causing bare spots in the insulation. These changes help maintain suitable mutual capacitance for the cable while allowing increased packing of conductor pairs.

Another significant invention by Durr is the conditioning apparatus for cast metal bars. This apparatus comprises a conveyor with a series of blocks, each featuring a surface depression that defines a bar support and guide channel. The endless support, to which the blocks are mounted, drives the series of blocks along a circuitous path through a bar conditioning station. The apparatus includes hold down roller means for securing a cast metal bar in the guide channels, trimming means for the bar, and flushing means for removing bar trimmings at the conditioning station.

Career Highlights

Durr is currently associated with Western Electric Company, Inc., where he continues to innovate and develop new technologies. His work has significantly impacted the field of electrical engineering, particularly in the design and manufacturing of conductor cables.

Collaborations

Throughout his career, Durr has collaborated with notable colleagues, including George Edwin Mock and Robert C Bevers. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Helmut E Durr's innovative work in conductor technology has led to significant advancements in electrical cable design and manufacturing. His contributions continue to

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