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    • 96. 发明公开
    • SATTELZUG MIT SIGNALÜBERTRÄGER
    • 与载波拖拉机
    • EP1673274A1
    • 2006-06-28
    • EP04765771.3
    • 2004-10-02
    • DaimlerChrysler AG
    • GEHRING, OttmarHEILMANN, HarroSCHWARZHAUPT, AndreasSPIEGELBERG, GernotSULZMANN, Armin
    • B62D53/08B60D1/62
    • B60D1/62B62D53/08
    • The invention relates to a semitrailer train (1) comprising a towing vehicle (2), a semitrailer (3), and a fifthwheel (4) that is provided with a coupling element associated with the towing vehicle (2) and a coupling element (5) associated with the semitrailer (3), for mechanically connecting the towing vehicle (2) and the semitrailer (3). The towing vehicle (2) is provided with a control device (10) for controlling components (9) of the semitrailer (3), and the semitrailer (3) comprises data lines (17) for transmitting the control data, and power supply lines (16) for the power supply of the components (9). The coupling element associated with the towing vehicle (2) is embodied as a fifthwheel pick-up plate (5) and the coupling element associated with the semitrailer (3) is embodied as a kingpin (6) adapted thereto. According to the invention, the towing vehicle (2) is provided with an alternating voltage generator for producing a carrier signal, a signal modulator modulates the control data on the carrier signal, and a transmitter (7) is arranged in the fifthwheel pick-up plate (5) of the towing vehicle (2), for transmitting the carrier signal with the modulated control data to a transmitter (7, 8) in the region of the kingpin (6) of the semitrailer (3). A demodulator in the semitrailer (3) splits the total signal transmitted by inductive coupling into an energy-carrying power supply voltage and control data, the power supply voltage being provided for the power supply of a component (9) in the semitrailer (3).