Auxiliary power unit

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Description

FIG. 1 is a top front left perspective view of a design for an auxiliary power unit according to the present invention.

FIG. 2 is a bottom front right perspective view of the auxiliary power unit of FIG. 1.

FIG. 3 is a front view of the auxiliary power unit of FIG. 1.

FIG. 4 is a back view of the auxiliary power unit of FIG. 1.

FIG. 5 is a right side view of the auxiliary power unit of FIG. 1.

FIG. 6 is a left side view of the auxiliary power unit of FIG. 1.

FIG. 7 is a top view of the auxiliary power unit of FIG. 1; and,

FIG. 8 is a bottom view of the auxiliary power unit of FIG. 1.

The broken line showing of an auxiliary power unit is for the purpose of illustrating portions of the article and forms no part of the claimed design.

Claims

The ornamental design for an auxiliary power unit, as shown and described.

Referenced Cited
U.S. Patent Documents
D250019 October 24, 1978 Pycha
D278058 March 19, 1985 Larson
D312304 November 20, 1990 Sexton
D335651 May 18, 1993 Jones
D517008 March 14, 2006 Yasuda
D534863 January 9, 2007 Yasuda
D572212 July 1, 2008 Taylor
D575733 August 26, 2008 Murata
D760652 July 5, 2016 Schmit
D773395 December 6, 2016 Shatek
D784924 April 25, 2017 Andren
D818435 May 22, 2018 Matthews
D822151 July 3, 2018 Tieleman
D822788 July 10, 2018 Tieleman
D829170 September 25, 2018 Gleave
D837735 January 8, 2019 Marcille
D865147 October 29, 2019 Huang
20070132243 June 14, 2007 Wurtele
20120025045 February 2, 2012 Meier
Other references
  • Molinari Rail AG, Auxiliary Power Units (APU)—GE Transportation, A Wabtec Company, (Aug. 2019), Molinari, Case History. (Year: 2019).
  • Turbo Power Systems, TPS Auxiliary Supply Units, (site visited Jul. 14, 2020), Turbo Power Systems Website, URL:<https://turbopowersystems.com/products-applications/transport/auxiliary-power-unit/> (Year: 2020).
  • Molinari Rail AG, Auxiliary Power Units (APU)—GE Transportation, A Wabtec Company, (site visited Jul. 14, 2020), Molinari website, URL:<https://www.molinari-rail.com/projects/auxiliary-power-units-apu/> (Year: 2020).
  • “Auxiliary Power Unit Heating System,” Hot Start Website, Available Online at https://www.hotstart.com/assets/Data-Sheets/Data-Sheet-APU-DS-APU-E.pdf, Available as Early as May 20, 2014, 2 pages.
  • “MEDHA: Auxiliary Power Unit,” MEDHA India Website, Available Online at https://medhaindia.com/index.php/products/fuel-saving-solutions/auxiliary-power-unit, Available as Early as Nov. 10, 2015, 4 pages.
  • Kumar, R., “Why are diesel locomotives in Indian Railways not switched off even if the engines have been running fo a long time?,” Quora Website, Available Online at https://www.quora.com/Why-are-diesel-locomotives-in-Indian-Railways-not-switched-off-even-if-the-engines-have-been-running-for-a-long-time, Jan. 16, 2017, 6 pages.
  • “Schlepsmart: Locomotive Auxiliary Power Supply System,” PRAG Group Website, Available Online at http://www.praggroup.com/wp-content/uploads/2016/03/Schlepsmart-E-brochure-3-16-2016.pdf, Available Online as Early as Dec. 9, 2017, 6 pages.
  • “The Banana Locomotive APU,” INPS-EP Environmental Products Website, Available Online at https://inps-ep.com/banana-apu.php, Retrieved on Dec. 20, 2018, 5 pages.
Patent History
Patent number: D913228
Type: Grant
Filed: Sep 24, 2018
Date of Patent: Mar 16, 2021
Assignee: Transportation IP Holdings, LLC (Norwalk, CT)
Inventors: Giri Balu (Bangalore), Kaushik D. Sondur (Bangalore), Sasikumar Vishwanathan Mudaliar (Bangalore)
Primary Examiner: Sheryl Lane
Assistant Examiner: Mark T. Philipps
Application Number: 29/664,365
Classifications