Frequency converter

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view of a first embodiment of a frequency converter;

FIG. 2 is a rear side view of the first embodiment of the frequency converter;

FIG. 3 is a left side view of the first embodiment of the frequency converter;

FIG. 4 is a right side view of the first embodiment of the frequency converter;

FIG. 5 is a top view of the first embodiment of the frequency converter;

FIG. 6 is a bottom view of the first embodiment of the frequency converter;

FIG. 7 is a perspective view of the first embodiment of the frequency converter;

FIG. 8 is another perspective view of the first embodiment of the frequency converter;

FIG. 9 is a front view of a second embodiment of a frequency converter;

FIG. 10 is a rear side view of the second embodiment of the frequency converter;

FIG. 11 is a left side view of the second embodiment of the frequency converter;

FIG. 12 is a right side view of the second embodiment of the frequency converter;

FIG. 13 is a top view of the second embodiment of the frequency converter;

FIG. 14 is a bottom view of the second embodiment of the frequency converter;

FIG. 15 is a perspective view of the second embodiment of the frequency converter;

FIG. 16 is another perspective view of the second embodiment of the frequency converter;

FIG. 17 is a front view showing a third embodiment of a frequency converter;

FIG. 18 is a rear side view of the third embodiment of the frequency converter;

FIG. 19 is a left side view of the third embodiment of the frequency converter;

FIG. 20 is a right side view of the third embodiment of the frequency converter;

FIG. 21 is a top view of the third embodiment of the frequency converter;

FIG. 22 is a bottom view of the third embodiment of the frequency converter;

FIG. 23 is a perspective view of the third embodiment of the frequency converter;

FIG. 24 is another perspective view of the third embodiment of the frequency converter;

FIG. 25 is a front view showing a fourth embodiment of a frequency converter;

FIG. 26 is a rear side view of the fourth embodiment of the frequency converter;

FIG. 27 is a left side view of the fourth embodiment of the frequency converter;

FIG. 28 is a right side view of the fourth embodiment of the frequency converter;

FIG. 29 is a top view of the fourth embodiment of the frequency converter;

FIG. 30 is a bottom view of the fourth embodiment of the frequency converter;

FIG. 31 is a perspective view of the fourth embodiment of the frequency converter; and,

FIG. 32 is another perspective view of the fourth embodiment of the frequency converter.

The broken lines shown represent the portions of the frequency converter that form no part of the claimed design.

Claims

The ornamental design of a frequency converter as shown and described.

Referenced Cited
U.S. Patent Documents
4620263 October 28, 1986 Ito
D403301 December 29, 1998 Lehmann
D438176 February 27, 2001 Cornu
D455399 April 9, 2002 Imamura
D586744 February 17, 2009 Jaskari
D595225 June 30, 2009 Juva
D654022 February 14, 2012 Sun
D745847 December 22, 2015 Ho
D772162 November 22, 2016 Saarivirta
D929937 September 7, 2021 Zhang
20010019495 September 6, 2001 Miettinen
20170077831 March 16, 2017 Yanagimoto
Patent History
Patent number: D1103099
Type: Grant
Filed: Dec 6, 2021
Date of Patent: Nov 25, 2025
Assignee: ABB Beijing Drive Systems Co., Ltd. (Beijing)
Inventors: Yuqin Yuan (Beijing), Yan Liu (Beijing), Hua Zhao (Beijing)
Primary Examiner: Derrick E Holland
Application Number: 29/818,024
Classifications