US Patent 7898828 Charger for an industrial truck

Patent 7898828 was granted and assigned to Jungheinrich on March, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Jungheinrich

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7898828

Date of Patent

March 1, 2011

Patent Application Number

11268058

Date Filed

November 7, 2005

Patent Primary Examiner

‌

Bao Q. Vu

Patent abstract

Charger for an industrial truck which has an asynchronous machine and a three-phase AC control unit for converting a battery voltage for the asynchronous machine, said charger having a mains power module which applies an AC voltage to one or two motor connection leads via a transformer, the charging current being rectified by half-bridges in the three-phase AC control unit.