A Rankine circuit includes, as a plurality of heat exchangers, an EGR cooler of an EGR circuit and an exhaust gas heat exchanger associated with an exhaust passage. The crimping pieces are crimped into connection at different positions of the outer circumferential surface of the sealing plug in forward and backward directions. The auxiliary synthesizer may also generate an auxiliary clock signal to demodulate a received communication signal. A regenerating magnetic gap of the regenerating magnetic head is directed toward a side face direction of the first non-magnetic layer.