Convection cooled frequency converter

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

FIG. 1 is a front elevation view of a convection cooled frequency converter showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D365082 December 12, 1995 Cook et al.
5835350 November 10, 1998 Stevens
D403301 December 29, 1998 Lehmann et al.
6091604 July 18, 2000 Plougsgaard et al.
D455399 April 9, 2002 Imamura et al.
6459586 October 1, 2002 Miller et al.
D490785 June 1, 2004 Boylan et al.
D494539 August 17, 2004 Alcantar et al.
D510320 October 4, 2005 Tuomola et al.
D510906 October 25, 2005 Vinciarelli et al.
Patent History
Patent number: D641696
Type: Grant
Filed: Oct 13, 2009
Date of Patent: Jul 19, 2011
Assignee: Siemens Aktiengesellschaft (München)
Inventors: Simon Charlson (Manchester), Lyndon Shenton (Newcastle-Under-Lyme), Jürgen Wagner (Stein)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Henry M. Feiereisen
Application Number: 29/345,261
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)