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.
Patent No.:
Date of Patent:
Apr. 04, 2006
Filed:
Oct. 14, 2003
Osmo Miettinen, Vaasa, FI;
Osmo Miettinen, Vaasa, FI;
Vacon Oyj, Vaasa, FI;
Abstract
The invention relates to a cooling arrangement in a frequency converter, the arrangement being configured to convey heat generated at the frequency converter to a space surrounding the frequency converter, comprising a power part () of the frequency converter, a control part () and cooling means, comprising a cooling motor () and a transfer means () for producing cooling. In accordance with the invention, a cooling frequency converter is arranged in connection with the frequency converter to control the cooling means. The power part of the cooling frequency converter comprises a rectifier () of the frequency converter, an intermediate circuit () of the frequency converter as well as a unique power unit () of the cooling frequency converter. The power unit () is arranged between the intermediate circuit () and the cooling motor () in order to supply power to the cooling motor (), the cooling frequency converter having a control unit () connected to the power unit () and controlling the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile