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Patent
   D951186
Priority
Dec 30 2019
Filed
Mar 30 2020
Issued
May 10 2022
Expiry
May 10 2037
Inventors
Du, Peng
Assg.orig
ABB BEIJIN…
Assg.curr
ABB BEIJIN…
Entity
unknown
Referenced by
0
References
9
Maint.:
n/a
The ornamental design for a frequency converter, as shown and described.

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.
INVENTORS:

Du, Peng, Zhao, Hua, Zhou, QuanHong

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4620263, Apr 08 1983 Mitsubishi Denki Kabushiki Kaisha Container for accommodating a control device
20010019495,
20170077831,
D403301, Feb 08 1996 DANFOSS A S Box for a frequency converter
D586744, Apr 28 2008 DANFOSS DRIVES OY Frequency converter
D595225, Jan 04 2008 DANFOSS DRIVES OY Frequency converter
D771565, Aug 26 2015 ABB Schweiz AG Device for distribution of electric power
D772162, Aug 26 2015 ABB Schweiz AG Device for distribution of electric power
D804417, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 19 2020DU, PENGABB BEIJING DRIVE SYSTEMS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0523310118 pdf
Mar 19 2020ZHOU, QUANHONGABB BEIJING DRIVE SYSTEMS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0523310118 pdf
Mar 19 2020ZHAO, HUAABB BEIJING DRIVE SYSTEMS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0523310118 pdf
Mar 30 2020ABB BEIJING DRIVE SYSTEMS CO., LTD.(assignment on the face of the patent)
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