A pneumatic control including a bus node, which is equipped with a first type communication interface and with a first type supply interface, further including a coupling module, which is equipped with the first type communication interface and with the first type supply interface and with a second type communication interface and a second type supply interface, and further including a valve module which is equipped on both coupling surfaces with the second type communication interface and with the second type supply interface, wherein a connection module is connected with the valve module, which connection module is equipped at a first coupling surface with the second type communication interface and with the second type supply interface, and which connection module is equipped at a second coupling surface with the first type communication interface and the first type supply interface.

A hydraulic control system includes a first hydraulic cylinder, a second hydraulic cylinder, a fluid supply apparatus, a first control valve bank, a second control valve bank, a third control valve bank, and a first check valve. The first control valve bank is configured to independently control the first hydraulic cylinder; the second control valve bank is configured to independently control the second hydraulic cylinder; and the third control valve bank is configured to synchronously control the first hydraulic cylinder and the second hydraulic cylinder. Synchronous volume control is implemented through series connection of the hydraulic cylinders, and has quite high synchronization precision, which is measured to be up to two percent.

A supply module includes an electrical control input and an electrical supply input as well as an electrical control output and an electrical supply output, as well as a control line arranged between the control input and the control output, which is designed for the transmission of control information, wherein at least one supply line group is assigned to the electrical supply input, which group includes a supply feed line and a supply outlet line, which are each extended between the electrical supply input and the electrical supply output, and which includes a switching module which is coupled to the control line and which has a feed switch arranged in the supply feed line, wherein a consumer output is formed for an electrical supply of an external consumer and is connected via an output feed line to the supply feed line and via an output drain line to the supply outlet line, the output feed line being connected between feed switch and the electrical supply output.

A second communication circuit of each of solenoid valve modules other than a terminal solenoid valve module receives a signal from a switching line located in the next-stage solenoid valve module, and the second communication circuit of the terminal solenoid valve module that receives no signal from the switching line transmits a solenoid valve control signal and signals related to diagnostic information of the plurality of solenoid valve modules to a communication module via a receiving line.

A control module for an air treatment system of a utility vehicle comprises the following: a first and second pneumatic magnetic valve having a first or second coil, connecting pins, and armatures accommodated in the coils, a circuit carrier, and a module housing that is cast from a plastic material, into which housing the coils are cast. The connecting pins project from a first side of the module housing and are electrically connected to the circuit carrier. A plug-in connection for receiving a connection plug is formed in the module housing, wherein the plug-in connection has plug-in pins, which extend through the module housing and are electrically connected to the circuit carrier. The module housing has a mounting surface having pneumatic connections for installation on an air dryer housing of an air dryer.

A control device has a plurality of modular control sections (12a-12d), which form a control block when arranged beside one another and have units of an electromagnetically actuatable actuator system and/or of a sensor system for controlling or monitoring a valve apparatus, which are connected to a central energy supply and/or monitoring device, which have individual connection parts (20a-20d) assigned to the particular control section (12a-12d), and which are connected in series and to one another. At least some of the connection parts (20a-20d) used are wirelessly in direct engagement with one another by way of their plug parts (22a-22c) and socket parts (24a-24c) that face one another and are adjacent to one another.

A valve has a valve housing which is connected to an electronics unit. The electronics unit has an electronics unit housing which has an aperture in order to establish electrical contacting with an actuator of the valve. A portion of the actuator may protrude into the aperture. Here, play is provided between the aperture and the portion of the actuator.

Fluid assembly for use in a fluid system, having a control module including a processing unit for processing control commands into individual electrical control signals with individually adjustable control signal levels and a control signal level electrically connected to the processing unit, with a power unit, which has a power module for converting the control signals into individual electrical control currents as a function of the control signal levels and an output interface electrically connected to the power module, wherein the processing unit is designed to provide a first group of control signals in a first time interval which can be individually predetermined for each control signal and to provide a second group of control signals in a second time interval which can be individually predetermined for each control signal and follows the respective first time interval, wherein the first control signal and the second control signal are selected in such a way that the control currents in the first time interval are greater than the control currents in the second time interval.

A supply module includes an electrical control input and an electrical supply input as well as an electrical control output and an electrical supply output, as well as a control line arranged between the control input and the control output, which is designed for the transmission of control information, wherein at least one supply line group is assigned to the electrical supply input, which group includes a supply feed line and a supply outlet line, which are each extended between the electrical supply input and the electrical supply output, and which includes a switching module which is coupled to the control line and which has a feed switch arranged in the supply feed line, wherein a consumer output is formed for an electrical supply of an external consumer and is connected via an output feed line to the supply feed line and via an output drain line to the supply outlet line, the output feed line being connected between feed switch and the electrical supply output.

An expandable solenoid system having a sequence controller assembly and at least two zone expander solenoid valve assemblies fastened in a staggered configuration. Each zone expander solenoid valve assembly has a zone expander solenoid and a flanged valve body assembly. The valve block has threaded bolt holes, unthreaded bolt holes, an output port, and a threaded pressure source port having an O-ring groove. The threaded bolt holes and the unthreaded bolt holes have different depths and are alternately positioned around a perimeter of the valve block. The first flanged valve body assembly is fastened to the second flanged valve body assembly and so on, in a staggered configuration, whereby respective zone expander solenoids are in a zigzag geometry and creating an expandable manifold.