Frequency converter

- ABB Oy
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a frequency converter showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a second perspective view thereof; and

FIG. 9 is a third perspective view thereof;

FIG. 10 is a perspective view of a frequency converter of a second embodiment showing our new design;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a second perspective view thereof;

FIG. 18 is a third perspective view thereof; and,

FIG. 19 is a fourth perspective view thereof.

The broken line showing of the frequency converter represents unclaimed subject matter and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D365086 December 12, 1995 Spechts
D428393 July 18, 2000 Nelson et al.
D435828 January 2, 2001 Chou
6169661 January 2, 2001 Lee
6459589 October 1, 2002 Manweiler et al.
D488776 April 20, 2004 Su et al.
6842348 January 11, 2005 Lee
D562234 February 19, 2008 Morihara et al.
D586744 February 17, 2009 Jaskari
D598847 August 25, 2009 Ota
20080174948 July 24, 2008 Davis
Patent History
Patent number: D708133
Type: Grant
Filed: Sep 22, 2011
Date of Patent: Jul 1, 2014
Assignee: ABB Oy (Helsinki)
Inventors: Jani Hakala (Espoo), Mika Silvennoinen (Espoo)
Primary Examiner: Derrick Holland
Assistant Examiner: Lauren Calve
Application Number: 29/371,781
Classifications