Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reexamination Certificate
2011-03-01
2011-03-01
Vu, Bao Q (Department: 2838)
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
C363S084000, C363S089000, C363S125000
Reexamination Certificate
active
07898828
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.
REFERENCES:
patent: 4468726 (1984-08-01), Daigle et al.
patent: 5341075 (1994-08-01), Cocconi
patent: 5803215 (1998-09-01), Henze et al.
patent: 5952812 (1999-09-01), Maeda
patent: 6282104 (2001-08-01), Kern
patent: 6741762 (2004-05-01), Grinberg et al.
patent: 2005/0046387 (2005-03-01), Aker et al.
patent: 0 593 472 (1995-04-01), None
patent: 0 849 112 (1997-12-01), None
patent: 1 350 664 (2003-03-01), None
Abstract for JP Publication No. 08214413A, published Aug. 20, 1996.
Abstract for JP Publication 08088908 A, published Apr. 2, 1996.
Jungheinrich Aktiengesellschaft
Tran Nguyen
Vidas Arrett & Steinkraus
Vu Bao Q
LandOfFree
Charger for an industrial truck does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Charger for an industrial truck, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Charger for an industrial truck will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2743269