Electric power transmission line support tower

- BOLD TRANSMISSION, LLC
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of an electric power transmission line support showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in the drawing figures are provided only to indicate the environment in which the design is associated, and form no part of the claimed design.

Claims

The ornamental design for an electric power transmission line support tower, as shown and described.

Referenced Cited
U.S. Patent Documents
3002043 September 1961 Jenner et al.
3316342 April 1967 Cofer
D211089 May 1968 Dreyfuss
D211177 May 1968 Elmshurst, III
D211995 August 1968 Elmshurst, III
3439107 April 1969 Scott
3509678 May 1970 Dake
3571991 March 1971 Doocy et al.
3603717 September 1971 Scott
D226008 January 1973 Donavan
D242765 December 21, 1976 Patrick
4219742 August 26, 1980 Ponder
4458102 July 3, 1984 White
D369785 May 14, 1996 Cote
D381096 July 15, 1997 Tallon
D387881 December 16, 1997 Tallon
D402379 December 8, 1998 Mimram
D610087 February 16, 2010 Johnson
D613686 April 13, 2010 Mueller et al.
8122647 February 28, 2012 Lee et al.
D688624 August 27, 2013 Fulk et al.
D688625 August 27, 2013 Fulk et al.
8905364 December 9, 2014 Crary, II
8952251 February 10, 2015 Fulk et al.
20100064598 March 18, 2010 Lee et al.
20130284512 October 31, 2013 Fulk
Foreign Patent Documents
1128513 August 2001 EP
1994026013 November 1994 WO
2003077393 September 2003 WO
Other references
  • Alexandrov, G.N. et al., Overhead Line Designing in View of Environmental Constraints, Compact Overhead Lines, CIGRE, 1998.
  • Boos, K.V. et al., Experiences Gained in the Operation of Multiple Circuit High Voltage Overhead Lines of Compact Design, CIGRE, International Conference on Large High Voltage Electric Systems, Aug. 27-Sep. 4, 1986.
  • Brierley, R.H. et al., Compact Right-of-Ways With Multi-Voltage Towers, IEEE Transactions on Power Delivery, Oct. 1991, pp. 1682-1689, vol. 6, No. 4.
  • Buckner, W.F., The Electricity Supply Industry and its Impact on Transmission Line Technology—Economical Aspects, CIGRE, 2002.
  • Bystrup, A Showcase of Six Shortlisted Designs, Pylon Design Competition.
  • Chartier, V. et al., Transmission Lines Above 700 kV, EPRI AC Transmission Line Reference Book—200kV and Above, Third Edition, Chapter 15.
  • Clerici, A., AC and/or DC Substantial Power Upgrading of Existing OHTL Corridors, pp. 220-225, Italy.
  • Barbarito, M. et al., Compact Versus Conventional EHV Lines: Technical and Economical Comparisons, CIGRE, International Conference on Large High Voltage Electric Systems, Aug. 29-Sep. 6, 1984.
  • Dahab, A.A. et al., Comparison of Magnetic-Field Distribution of Noncompact and Compact Parallel Transmission-Line Configurations, IEEE Transactions on Power Delivery, Jul. 2005, pp. 2114-2118, vol. 20, No. 3.
  • D'Ajello, L. et al., Quantitative Evaluation of the Visual Impact of Overhead Lines, CIGRE, 1996, Italy.
  • De La Rosa, R. et al., Contributions to Lightning Research for Transmission Line Compaction, IEEE Transactions on Power Delivery, Apr. 1988, pp. 716-723, vol. 3, No. 2.
  • Douglas, D. et al., Voltage Upgrading of Existing Transmission Lines, EPRI AC Transmission Line Reference Book—200 kV and Above, Third Edition, Chapter 14.
  • Egger, H. et al., Experience with a 380 kV “Camouflage Line”, CIGRE, 1998, Austria.
  • Ellert, F. et al., EHV-UHV Transmission Systems, Transmission Line Reference Book 345 kV and Above, Chapter 2.
  • Fernandes, J.H.M. et al., 500 kV Compact Line of Eletronorte Brazil—Conception, Electrical and Mechanical Design, CIGRE, Aug. 26-Sep. 1, 1990, Brazil.
  • Heidari, G. et al., Effect of Land Price on Transmission Line Design, CIGRE, 2002.
  • Jonsson, U. et al., Optimized Reduction of the Magnetic Field Near Swedish 400 kV Lines by Advanced Control of Shield Wire Currents. Test Results and Economic Evaluation, IEEE Transactions on Power Delivery, Apr. 1994, pp. 961-969, vol. 9, No. 2.
  • Kimoto, I. et al, Insulator Crossarms for 345-kV EHV Transmission Line, IEEE Transactions on Power Apparatus and Systems, Mar./Apr. 1971, pp. 756-767, vol. Pas-90, No. 2.
  • Krylov, S.V., Design, Mechanical Aspects and Other Subjects of Compact EHV OHL Technology, Midwest ISO-Expanding Edge Seminar, St. Paul, MN, Sep. 16, 2004.
  • Liao, Y. et al., Included Angle Selection of V-Shape Insulator Strong for 750-kV Compact Transmission Line, IEEE Transactions on Power Delivery, Jan. 2011, pp. 385-393,vol. 26, No. 1.
  • Liu, L. et al., Experimental Flashover Research on Switching Impulse of 750 kV Single Circuite Compact Transmission Line Tower, CIGRE, 2010.
  • Loudon, D. et al., A Compact 420 kV Line Utilising Line Surge Arresters for Areas With Low Isokeraunic Levels, CIGRE, 1998.
  • Melo, Miguel et. al., Electric and Magnetic Fields of Compact Transmission Lines, IEEE Transactions on Power Delivery, Jan. 1999, pp. 200-204, vol. 14, No. 1.
  • Mousa, A., The Electric Fields at Ground Level Associated with the Inverted Delta Configuration, IEEE Transactions on Power Apparatus and Systems, Dec. 12, 1981, pp. 4913-4917, vol. Pas-100, No. 12.
  • Ordon, Thomas et al., Considerations in the Design of Three Phase Compact Transmission Lines, pp. 108-114, 1994.
  • Regis, O. Jr. et al., Expanded Bundle Technique: The Application of HSIL TL Concept to Increase the Capacity of Overhead Lines, CIGRE, 1998.
  • Stoffel, J.B. et al., Electric Power High-Voltage Transmission Lines: Design Options, Cost, and Electric and Magnetic Field Levels, Argonne National Laboratory, Nov. 1994.
  • Villa, Paolo et al., Compact Transmission Line with Inverted Delta Configuration, CIGRE, 2002, Italy.
  • Zobel, E.S. et al., Narrower Transmission Corridors Made Possible with New Compacted Conductor Support Systems for EHV and UHV Lines, CIGRE, International Conference on Large High Voltage Electric Systems, Aug. 27-Sep. 4, 1980.
  • AEP, Sorenson, Robinson Park, Nov. 2014-Mar. 2015.
Patent History
Patent number: D853591
Type: Grant
Filed: Jan 24, 2018
Date of Patent: Jul 9, 2019
Assignee: BOLD TRANSMISSION, LLC (Columbus, OH)
Inventors: Meihuan Zhu Fulk (Lewis Center, OH), Richard Gutman (Columbus, OH)
Primary Examiner: Daniel D Bui
Application Number: 29/634,692