Abstract: A method and a device for the supply of electrical loads in or on a pneumatic device with electrical power energy. The pneumatic device is connected by way of a pneumatic line with a source of pressure. The transmission of power energy to the pneumatic device takes place using acoustic waves, microwaves, changes in pressure or a flow of gas in the pneumatic line. Conversion of such transmitted energy into the electrical supply energy occurs in or on the pneumatic device. This means that electrical lines for electrical power supply may be dispensed with and that the transmission of energy takes place only by way of the pneumatic line.

Abstract: A method and device for the transmission of control and/or sensor signals between an electronic control and/or data receiving means and a pneumatic device, which are connected together by means of a pneumatic line of flexible plastic material. For the transmission of the signals using acoustic signals, microwaves or changes in pressure in the gaseous medium in the line the control and/or data receiving means and the pneumatic device are provided with at least one first converter for the conversion of electrical signals into acoustic signals or changes in pressure into electrical signal. Accordingly it is possible for electrical lines, otherwise needed for data transmission, to be dispensed with and data transmission takes place by way of the gaseous medium in the pneumatic line.