Transformer

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Description

FIG. 1 is a front elevational view of a transformer showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a front right side perspective view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design.

Claims

The ornamental design for the transformer, as shown and described.

Referenced Cited
U.S. Patent Documents
1720413 July 1929 Greenwood
4005297 January 25, 1977 Cleaveland
4692577 September 8, 1987 Swanson
D567755 April 29, 2008 Heinzig
D567757 April 29, 2008 Hammer
8278582 October 2, 2012 Tu
9384923 July 5, 2016 Matuszak
9767978 September 19, 2017 Brandt
9793701 October 17, 2017 Springborn
20030006334 January 9, 2003 Hoffmann
20090255905 October 15, 2009 Lee
20150109087 April 23, 2015 Golner
Other references
  • 800-kV converter transformer, posted at Siemens.com, posted on Oct. 1, 2008. online, site visited Oct. 24, 2017. Available from Internet: https://www.siemens.com/press/en/pressrelease/?press=/en/pressrelease/2008/power_transmission/ept200810001.htm.
  • A single-phase three-winding converter transformer, posted at En.Wikipedia.org, posted on May 1, 2002. online, site visited Oct. 24, 2017. Available from Internet: https://en.wikipedia.org/wiki/High-voltage_direct_current#/media/File:Transformateur_du_complexe_La_Grande.jpg.
  • Power Transformer Drying, posted at Youtube.com, posted on Jun. 3, 2013. online, site visited Oct. 24, 2017. Available from internet: https://www.youtube.com/watch?v=6LLVWzh47CY.
Patent History
Patent number: D933007
Type: Grant
Filed: Oct 21, 2016
Date of Patent: Oct 12, 2021
Assignee: Siemens Aktiengesellschaft (Munich)
Inventors: Andreas Beer (Grasbrunn), Grzegorz Dudkiewicz (Munich), Florian Lohse (Munich)
Primary Examiner: Mary Ann Calabrese
Assistant Examiner: Catherine Ho
Application Number: 29/581,779
Classifications