Motor vehicle having a chassis with an air spring system
View Patent ↗A motor vehicle having a chassis including an air spring system. The motor vehicle includes a high-voltage on-board electrical system and a high-voltage battery supplying electrical energy to the high-voltage on-board electrical system. The air spring system includes at least one air spring which is supplied with air at a respective required pressure via a pneumatic line connected to an air spring compressor. The air spring compressor is a high-voltage air spring compressor which is supplied with electrical energy via the high-voltage on-board electrical system of the motor vehicle. The air spring is supplied with air exclusively and directly via the high-voltage air spring compressor during operation of the motor vehicle.
1 . A motor vehicle comprising:
an on-board high-voltage electrical system;
a high-voltage battery that is configured to supply the high-voltage on-board electrical system with electrical energy; and
a chassis comprising an air spring system,
wherein the air spring system comprises at least one air spring which is configured to be supplied with air at a respective required pressure via a pneumatic line connected to an air spring compressor,
wherein the air spring compressor is a high-voltage air spring compressor which is configured to be supplied with electrical energy via the on-board high-voltage electrical system of the motor vehicle,
wherein the air spring is configured to be supplied with air exclusively and directly via the high-voltage air spring compressor during operation of the motor vehicle,
wherein a pneumatic circuit of the air spring system is free of a compressed air reservoir.
2 . The motor vehicle according to claim 1 , wherein the motor vehicle is a passenger vehicle.
3 . The motor vehicle according to claim 1 , wherein the motor vehicle is a battery electric vehicle or a semi-electric vehicle.
4 . A motor vehicle comprising:
an on-board high-voltage electrical system;
a high-voltage battery that is configured to supply the high-voltage on-board electrical system with electrical energy; and
a chassis comprising an air spring system,
wherein the air spring system comprises at least one air spring which is configured to be supplied with air at a respective required pressure via a pneumatic line connected to an air spring compressor,
wherein the air spring compressor is a high-voltage air spring compressor which is configured to be supplied with electrical energy via the on-board high-voltage electrical system of the motor vehicle,
wherein the air spring is configured to be supplied with air exclusively and directly via the high-voltage air spring compressor during operation of the motor vehicle,
wherein the high-voltage air spring compressor is cooled via a cooling circuit.
5 . The motor vehicle of claim 4 , wherein the motor vehicle comprises one or more electric drives for driving the motor vehicle, wherein the motor vehicle comprises a drive cooling circuit for cooling the one or more electric drives, wherein the high-voltage air spring compressor is thermally coupled to the drive cooling circuit for cooling the high-voltage air spring compressor.
6 . The motor vehicle according to claim 1 , wherein the high-voltage air spring compressor forms a modular component of an electric drive of the motor vehicle.
7 . A motor vehicle comprising:
an on-board high-voltage electrical system;
a high-voltage battery that is configured to supply the high-voltage on-board electrical system with electrical energy; and
a chassis comprising an air spring system,
wherein the air spring system comprises a plurality of air springs, each of which is configured to be supplied with air at a respective required pressure via a respective pneumatic line connected to a respective air spring compressor of a plurality of high-voltage air spring compressors,
wherein each air spring compressor of the plurality of high voltage air spring compressors is a high-voltage air spring compressor which is configured to be supplied with electrical energy via the on-board high voltage electrical system of the motor vehicle,
wherein each air spring is configured to be supplied with air exclusively and directly via the respective high-voltage air spring compressor during operation of the motor vehicle.