Frequency converter

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Description

FIG. 1 illustrates a front side view of a first embodiment of a frequency converter.

FIG. 2 illustrates a rear side view of the frequency converter shown in FIG. 1.

FIG. 3 illustrates a left side view of the frequency converter shown in FIG. 1.

FIG. 4 illustrates a right side view of the frequency converter shown in FIG. 1.

FIG. 5 illustrates a top plan view of the three-phase frequency converter shown in FIG. 1.

FIG. 6 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 1.

FIG. 7 illustrates a right side perspective view of the frequency converter shown in FIG. 1.

FIG. 8 illustrates a left side perspective view of the frequency converter shown in FIG. 1.

FIG. 9 illustrates a front side view of a second embodiment of a frequency converter.

FIG. 10 illustrates a rear side view of the frequency converter shown in FIG. 9.

FIG. 11 illustrates a left side view of the frequency converter shown in FIG. 9.

FIG. 12 illustrates a right side view of the frequency converter shown in FIG. 9.

FIG. 13 illustrates a top plan view of the three-phase frequency converter shown in FIG. 9.

FIG. 14 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 9.

FIG. 15 illustrates a right side perspective view of the frequency converter shown in FIG. 9.

FIG. 16 illustrates a left side perspective view of the frequency converter shown in FIG. 9.

FIG. 17 illustrates a front side view of a third embodiment of a frequency converter.

FIG. 18 illustrates a rear side view of the frequency converter shown in FIG. 17.

FIG. 19 illustrates a left side view of the frequency converter shown in FIG. 17.

FIG. 20 illustrates a right side view of the frequency converter shown in FIG. 17.

FIG. 21 illustrates a top plan view of the three-phase frequency converter shown in FIG. 17.

FIG. 22 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 17.

FIG. 23 illustrates a right side perspective view of the frequency converter shown in FIG. 17.

FIG. 24 illustrates a left side perspective view of the frequency converter shown in FIG. 17.

FIG. 25 illustrates a front side view of a fourth embodiment of a frequency converter.

FIG. 26 illustrates a rear side view of the frequency converter shown in FIG. 25.

FIG. 27 illustrates a left side view of the frequency converter shown in FIG. 25.

FIG. 28 illustrates a right side view of the frequency converter shown in FIG. 25.

FIG. 29 illustrates a top plan view of the three-phase frequency converter shown in FIG. 25.

FIG. 30 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 25.

FIG. 31 illustrates a right side perspective view of the frequency converter shown in FIG. 25; and,

FIG. 32 illustrates a left side perspective view of the frequency converter shown in FIG. 25.

Claims

The ornamental design for a frequency converter, as shown and described.

Referenced Cited
U.S. Patent Documents
4620263 October 28, 1986 Ito
D403301 December 29, 1998 Lehmann
D586744 February 17, 2009 Jaskari
D595225 June 30, 2009 Juva
D771565 November 15, 2016 Saarivirta
D772162 November 22, 2016 Saarivirta
D804417 December 5, 2017 Baacke
20010019495 September 6, 2001 Miettinen
20170077831 March 16, 2017 Yanagimoto
Patent History
Patent number: D951186
Type: Grant
Filed: Mar 30, 2020
Date of Patent: May 10, 2022
Assignee: ABB BEIJING DRIVE SYSTEMS CO., LTD. (Beijing)
Inventors: Peng Du (Beijing), QuanHong Zhou (Beijing), Hua Zhao (Beijing)
Primary Examiner: Derrick E Holland
Application Number: 29/729,709
Classifications