Noise filtering in a battery module

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12261274
APP PUB NO 20220140410A1
SERIAL NO

17432302

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Importance

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Abstract

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A circuit is provided, including first and second input terminals (110, 112) an output terminal (114), a DC-to-DC converter (120), and a trifilar choke (130) including a first inductor (140) connected between the first input terminal (110) and a first input terminal (150) of the converter (120), a second inductor (142) connected between the second input terminal (112) and a second input terminal (152) of the converter (120), and a third inductor (144) connected between the output terminal (114) and an output terminal (154) of the converter (120). The converter (120) is configured to convert a first voltage (V1) received at its first and second input terminals (150, 152) to a second voltage (V2) at its output terminal (154) higher than the first voltage (V1). The first, second and third inductors (140, 142, 144) are wound on a same core, mutually coupled and arranged such that currents common to the first and second inductors (140, 142) and currents common to the second and third inductors (142, 144) are blocked or attenuated. A current-limiting device, battery modules and a method of noise filtering are also provided.

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Patent Owner(s)

Patent OwnerAddress
POLARIUM ENERGY SOLUTIONS AB164 21 KISTA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Melin, Mats Kista, SE 2 5

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