Electric Heater and Assembly Therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20120205362A1
SERIAL NO

13372754

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to an electric heater for a motor vehicle, the heater includes at least one branch circuit in which a field effect transistor is connected in series to the resistor, and a control circuit for regulating power, wherein the control circuit taps a voltage signal between the field effect transistor and the resistor and, on the basis thereof and in combination with a setpoint value signal, generates an output signal which is present at a control input of the field effect transistor. According to the invention, the resistor is a ceramic PTC resistor which is mounted with the field effect transistor on a common heat sink.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER BERU SYSTEMS GMBHMOERIKESTRASSE 155 LUDWIGSBURG 71636

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ETZKORN, Hans-Peter Bruchsal, DE 7 42
Walter, Christian Brettenm, DE 28 285

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