The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 29, 2005

Filed:

Jul. 16, 2003
Applicant:

Martin Weinmann, Bad Waldsee, DE;

Inventor:

Martin Weinmann, Bad Waldsee, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P005/28 ;
U.S. Cl.
CPC ...
Abstract

A large domestic appliance has main and auxiliary drives () thereof supplied from the same dc voltage intermediate circuit () which is provided only once, by way of change-over switch sets (), by half-bridge circuits (). For that purpose a frequency converter () with its bridge circuit () for the main drive () is switched over in single-pole or multiple mode to the rotary field motor () of the auxiliary drive () by way of a change-over switch set () connected in its output-side motor lines (); or in the frequency converter () two half-bridge circuits () which are associated with the main and the auxiliary drives () are operated in parallel from the dc voltage intermediate circuit ().


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