device for feeding a fluid under pressure, such as air, under pressure, of similar structure.in particular, housed within the padding of seat backs of vehicles

摘要

An installation for the actuation of several controllable elements with modulated pressures, whereby the elements are constructed in particular as air chambers accommodated in the upholstery of a motor vehicle seat; the installation consists of only one pressure modulator and of a distribution device series-connected therewith; the pressure modulator is adapted to be selectively connected with one or several of the controllable elements by way of this distribution device.