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US 12,568,573 B2Granted
Circuit arrangement, printed circuit board arrangement, electric drive and motor vehicle
AssigneeZF Friedrichshafen AG
InventorsFlorian Ullrich, Robin Michelberger, Joao Bonifacio, Alexander Büttner, Michael Engel
Life of this patent
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Abstract
A circuit configuration includes a voltage surge protector that is connected in parallel to the link capacitor to protect the link capacitor from voltage overloads. A printed circuit board assembly, an electric axle drive, and a motor vehicle are also disclosed.
Claims20
A circuit comprising:
- a link capacitor;
- an inverter circuit;
- and
- a voltage surge protector that is connected in parallel to the inverter circuit and to the link capacitor to protect the link capacitor from voltage overloads,
- wherein the voltage surge protector comprises a timer that is configured to open a circuit breaker with a timer switch.
2 more elements
A circuit comprising:
- a link capacitor;
- an inverter circuit;
- and
- a voltage surge protector that is connected in parallel to the inverter circuit and to link capacitor to protect the link capacitor from voltage overloads,
- wherein the voltage surge protector comprises a circuit breaker and a resistor, and
- wherein the circuit breaker and the resistor are doubled for redundancy purposes.
3 more elements
Dependencies are inferred from the claim text.