Abstract: An actuating device mechanically controls a membrane pump device. The device includes a base body having a mounting face for a membrane pump device and through which a control fluid line passes that extends from a control fluid port to a control fluid opening that opens at the mounting face. A control fluid valve arranged in the control fluid line influences a cross-section of the control fluid line and has an adjustment device that has a fluid actuator arranged on the mounting face. A working fluid valve influences a cross-section of a working fluid line that passes through the base body. The control fluid valve and the working fluid valve are electrically connected to a control device that electrically controls the control fluid valve and the working fluid valve. Moreover, a membrane pump is provided that has an actuating device and a membrane pump device.

Abstract: The invention relates to a coupling component for a fluid coupling (1) for releasably connecting fluid-conveying components, in particular fluid-conveying components in medical equipment, wherein the coupling component comprises a coupling housing (14) through which a fluid channel (17) passes in regions and which is provided with a coupling recess (7) that is sunken into a surface (15) of the coupling housing (14), wherein a channel opening (18) of the fluid channel (17) ends at an end face (19) of the coupling recess (7).

Abstract: A fluid device with a fluid chamber, the fluid device including a fluid chamber which is designed for receiving a fluid and which is commonly delimited by a device housing and a bending-elastic membrane element. The membrane element is fixed with a peripheral edge region to the device housing, wherein a membrane working section of the membrane element which is framed by the peripheral edge region can be deflected by a piezoactuator whilst carrying out a stroke movement, in order to change the volume of the fluid chamber. The membrane element is a functional constituent of the piezoactuator by way of it directly forming an electrically conductive electrode of the electrode arrangement of the piezoactuator.

Abstract: An actuator controller for actuating an actuator which can be operated fluidically, having a feed line for an inflow of the working fluid to an actuator connector and having a discharge line for an outflow of the working fluid to a fluid outlet, wherein the feed line is assigned a feed line valve and the discharge line is assigned a discharge valve, which valves are configured in each case to influence a volumetric fluid flow at the actuator connector, and having a control device for actuation of the feed line valve and the discharge valve. A throughflow sensor is arranged in a line section between the discharge valve and the fluid outlet, which throughflow sensor is configured for determining a volumetric fluid flow in the discharge line and for providing a throughflow signal.

Abstract: A method for operating a vacuum gripping device including a suction gripper unit, which is provided with at least one suction gripper. The suction gripper unit can be connected, via a control valve device connected to it, selectively to a vacuum source or to a positive pressure source generating an ejector pulse in the suction gripper. The ejector pulse is generated as a function of the actual pressure established in the suction gripper unit after its connection to the positive pressure source. A vacuum gripping device suitable for executing this method and including a pressure measurement device for detecting the actual pressure and an electronic control unit used for controlling the control valve device and communicating with the pressure measurement device.

Abstract: The invention relates to an actuating device (1) for mechanically controlling a membrane pump device (2), having a base body (4) which comprises a mounting face (7) for a membrane pump device (2) and through which a control fluid line (33, 35) passes which extends from a control fluid port (78, 79) to a control fluid opening (34, 36) which opens at the mounting face (7), a control fluid valve (74, 75) being arranged in the control fluid line (33, 35), which control fluid valve is designed to influence a cross section of the control fluid line (33, 35), and having an adjustment device (9, 14), which comprises a fluid actuator (38) arranged on the mounting face (7) for providing an adjustment movement, and a working fluid valve (81, 82) which is designed to influence a cross section of a working fluid line (85, 86) which passes through the base body (4), and the control fluid valve (74, 75) and the working fluid valve (81, 82) being electrically connected to a control device (70) which is designed to electrical

Abstract: The invention relates to a coupling component for a fluid coupling (1) for releasably connecting fluid-conveying components, in particular fluid-conveying components in medical equipment, wherein the coupling component comprises a coupling housing (14) through which a fluid channel (17) passes in regions and which is provided with a coupling recess (7) that is sunken into a surface (15) of the coupling housing (14), wherein a channel opening (18) of the fluid channel (17) ends at an end face (19) of the coupling recess (7).

Abstract: A method for operating a vacuum gripping device including a suction gripper unit, which is provided with at least one suction gripper. The suction gripper unit can be connected, via a control valve device connected to it, selectively to a vacuum source or to a positive pressure source generating an ejector pulse in the suction gripper. The ejector pulse is generated as a function of the actual pressure established in the suction gripper unit after its connection to the positive pressure source. A vacuum gripping device suitable for executing this method and including a pressure measurement device for detecting the actual pressure and an electronic control unit used for controlling the control valve device and communicating with the pressure measurement device.

Abstract: An actuator controller for actuating an actuator which can be operated fluidically, having a feed line for an inflow of the working fluid to an actuator connector and having a discharge line for an outflow of the working fluid to a fluid outlet, wherein the feed line is assigned a feed line valve and the discharge line is assigned a discharge valve, which valves are configured in each case to influence a volumetric fluid flow at the actuator connector, and having a control device for actuation of the feed line valve and the discharge valve. A throughflow sensor is arranged in a line section between the discharge valve and the fluid outlet, which throughflow sensor is configured for determining a volumetric fluid flow in the discharge line and for providing a throughflow signal.

Abstract: A piezoelectric actuator device, with at least one piezoelectric transducer which has at least one piezoelectric body and an electrode unit assigned to this piezoelectric body, with overall capacitance and including two electrodes lying opposite one another. At least one of the two electrodes of the electrode unit is divided into several individual sub-electrodes, spaced apart from one another and forming with the electrode lying opposite several sub-electrode pairs defining in each case a partial capacitance of the overall capacitance. A separate current-limiting resistor active during charge flow is connected in series to each sub-electrode pair. A valve, for controlling a fluid, is equipped with such an actuator device.

Abstract: A valve device for influencing a fluid supply of fluid-operated loads, includes a valve module with a valve housing in which valve shafts are formed to accommodate valve cartridges, and further includes valve cartridges located in the valve shafts, wherein each of the valve shafts together with the valve cartridges accommodated therein bounds a pressure chamber connected to an assigned inlet port in a fluidically communicating manner, and wherein each of the valve cartridges includes two electrically selectable valve means which are designed to influence a free flow cross-section between the pressure chamber and an outlet port assigned to the respective valve means.

Abstract: A piezoelectric actuator device, with at least one piezoelectric transducer which has at least one piezoelectric body and an electrode unit assigned to this piezoelectric body, with overall capacitance and including two electrodes lying opposite one another. At least one of the two electrodes of the electrode unit is divided into several individual sub-electrodes, spaced apart from one another and forming with the electrode lying opposite several sub-electrode pairs defining in each case a partial capacitance of the overall capacitance. A separate current-limiting resistor active during charge flow is connected in series to each sub-electrode pair. A valve, for controlling a fluid, is equipped with such an actuator device.

Abstract: Valve module for influencing a fluid supply of a fluid-operated load, comprising a valve housing with a valve chamber being connected to an inlet port and an outlet port and a pilot chamber being connected to an operating port, comprising a valve member which is movably adjustable between a blocking position and a release position and further comprising an actuator which is motion-coupled to the valve member, wherein a position of the actuator and the valve member can be set as a function of a pressure applied to the pilot chamber, and further comprising a sensor device for detecting a position of the valve member and/or the actuator along a movement axis, and the sensor device comprises an electric coil arrangement which forms a ring around at least one fluid port from the group comprising the operating port, the inlet port and the outlet port.

Abstract: A valve device for influencing a fluid supply of fluid-operated loads, includes a valve module with a valve housing in which valve shafts are formed to accommodate valve cartridges, and further includes valve cartridges located in the valve shafts, wherein each of the valve shafts together with the valve cartridges accommodated therein bounds a pressure chamber connected to an assigned inlet port in a fluidically communicating manner, and wherein each of the valve cartridges includes two electrically selectable valve means which are designed to influence a free flow cross-section between the pressure chamber and an outlet port assigned to the respective valve means.

Abstract: The invention relates to a valve module for influencing a fluid supply of a fluid-operated load, comprising a valve housing (4) which defines a valve chamber (17) with a fluidically communicating connection to an inlet port (18) and an outlet port (19), and further comprising a valve member (5) which is movably accommodated in the valve chamber (17) and which is adjustable along a movement axis (21) between a blocking position and a release position in order to influence a free flow cross-section between the inlet port (18) and the outlet port (19), and further comprising a spring mechanism (20) designed to apply a presettable preloading force to the valve member (5) in order to determine a preferred position of the valve member (5) in the valve chamber (17), characterised in that the spring mechanism (20) is supported, with an end region thereof which is remote from the valve member (5), on a supporting means (45) which can be located, within an adjustment range, in a freely selectable adjustment position re

Abstract: Valve module for influencing a fluid supply of a fluid-operated load, comprising a valve housing with a valve chamber being connected to an inlet port and an outlet port and a pilot chamber being connected to an operating port, comprising a valve member which is movably adjustable between a blocking position and a release position and further comprising an actuator which is motion-coupled to the valve member, wherein a position of the actuator and the valve member can be set as a function of a pressure applied to the pilot chamber, and further comprising a sensor device for detecting a position of the valve member and/or the actuator along a movement axis, and the sensor device comprises an electric coil arrangement which forms a ring around at least one fluid port from the group comprising the operating port, the inlet port and the outlet port.

Abstract: The invention relates to a method for sorting and a sorting device for sorting out parts (2) by means of air blasts (12). The sorting device contains at least one air blast generator (8) comprising a diaphragm unit (33) which can be deflected by electric activation and which delimits a work chamber (34) connected to a ejection opening (32). When activated, the diaphragm unit (33) functions as an air displacement unit and produces an active air discharge out of the work chamber (34) through the ejection opening (32) on the basis of the air displacement resulting from said activation. In particular, the air blast has the shape of a toroidal eddy.

Abstract: An electronic control device for a piezo-ceramic bending transducer designed as a trimorph, wherein a first voltage divider consisting of two resistor branches and powered by a first voltage source (Ust1) is provided, whose first resistor branch connects the first piezo-ceramic plate of the trimorph to its spacer layer. In addition, a second voltage divider is provided that consists of two resistor branches and the first resistor branch thereof connects the second piezo-ceramic plate of the trimorph to its spacer layer. The second resistor branch of the first voltage divider also forms the second resistor branch of the second voltage divider. Thus, by means of one voltage source, the one piezo-ceramic plate has an applied tensile stress and the other piezo-ceramic plate has an applied compressive stress, so that the flexural motion is reinforced by the two piezo-ceramic plates and thus only a small voltage has to be applied.

Abstract: An electronic control device for a piezo-ceramic bending transducer designed as a trimorph (10) is proposed, wherein a first voltage divider (17) consisting of two resistor branches (18, 19) and powered by a first voltage source (USt1) is provided, whose first resistor branch (18) connects the first piezo-ceramic plate (11) of the trimorph (10) to its spacer layer (13). In addition, a second voltage divider (24) is provided that consists of two resistor branches (25, 19) and the first resistor branch (25) thereof connects the second piezo-ceramic plate (12) of the trimorph (10) to its spacer layer (13). The second resistor branch (19) of the first voltage divider (17) also forms the second resistor branch (19) of the second voltage divider (24).

Abstract: A fluid operated position regulator comprises a servo means, arranged in a regulator housing and by which a supply connection, a venting connection and a power connection can be placed in circuit in an adjustable manner. To predetermine or set its position the servo means possesses two mutually oppositely orientated fluid actuating faces of equal size, which respectively delimit a control chamber. The two control chambers are connected by way of an intermediately placed choke means with a common control pressure connection. Downstream from the two choke means each control chamber is connected with a venting connection. A control valve means can control the two venting connections and in particular simultaneously close them.