CIRCUIT FOR DISCHARGING AN ENERGY STORE OF A DRIVE SYSTEM

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20220344956A1
SERIAL NO

17639349

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A circuit for discharging an energy store of a drive system includes a power electronics unit in an on-board electrical system and a single-phase DC/DC converter connected upstream of the drive system. The converter includes a first capacitor, a coil connected downstream of the first capacitor, a first switch, a second switch connected downstream of the coil, and a second capacitor connected downstream of the second switch. The first switch is for a first current circuit including the first capacitor and the coil, and the second switch is for a second current circuit including the first capacitor, the second capacitor, and the coil. During a discharge process, the first switch and the second switch are designed to be switched in an alternating manner and differently relative to each other such that either the first current circuit or the second current circuit is closed to actively discharge the energy store.

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Patent Owner(s)

Patent OwnerAddress
SCHAEFFLER TECHNOLOGIES AG & CO KGGERMAN HERZOGENAURACH HERZOGENAURACH BAVARIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fu, Huan Rastatt, DE 7 2
Leonhardt, Vincent Haguenau, FR 5 2
Tipper, Jürgen Gernsbach, DE 4 0

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