Abstract: The invention relates to a blocking device comprising a first connection for connecting to a high-pressure tank; a second connection for connecting to a supply line; a main valve chamber which comprises a first opening connected to the first connection in a fluidically conducting manner, a second opening connected to the second connection in a fluidically conducting manner, and a first control opening; a main valve, said main valve being designed as a switchable solenoid valve and comprising a main valve needle that is arranged in the main valve chamber and can be moved between a closed position, in which the main valve needle rests against a main valve seat surrounding the second opening, and an open position, in which the main valve needle is lifted from the main valve seat, wherein the main valve needle divides the main valve chamber into an outlet chamber, into which the first and second opening lead, and a control chamber, into which the first control opening leads and which is connected to the outlet ch

Abstract: The invention relates to a solenoid valve (1), in particular a shut-off valve for hydrogen tank systems, comprising a reciprocatingly movable magnetic armature (2) which is or can be coupled to a reciprocatingly movable valve element (3), the magnetic armature (2) being preloaded in the direction of the valve element (3) by means of a spring (4), the solenoid valve further comprising an annular solenoid coil (5) for acting on the magnetic armature (2), the solenoid coil (5) surrounding the magnetic armature (2) in portions. According to the invention, the magnetic armature (2) has a portion (2.1) designed as a plunger armature and a portion (2.2) designed as a flat armature, the portion (2.1) designed as a plunger armature delimiting a pressure chamber (6) within the solenoid coil (5), which pressure chamber is connected pneumatically, preferably via a choke (7), to a control chamber (8) which can be relieved by opening a control valve (9) which can also be actuated by means of the solenoid coil (5).

Abstract: A shutoff valve for hydrogen tank systems having at least one compressed gas container. The shutoff valve includes a main valve, and a control valve for controlling the main valve. The main valve has a reciprocating valve piston which interacts with a valve seat and delimits, at its end facing away from the valve seat, a control chamber which is connected to a storage volume of the compressed gas container via an inlet throttle and via an outlet throttle, connectable to a gas outlet depending on the switch position of the control valve. The main valve includes a solenoid using which an opening and/or holding force acting on the valve piston can be generated. A compressed gas container having the shutoff valve, and a hydrogen tank system comprising at least one compressed gas container and the shutoff valve, are also described.

Abstract: The invention relates to a shut-off valve comprising: a housing which has an inlet opening, an outlet opening and a control opening, wherein the housing defines an inner space extending along a longitudinal axis and has a partition which divides the inner space into an outlet chamber and a control chamber and has a guide hole which extends between the outlet chamber and the control chamber; an electrical coil which is accommodated in the partition and surrounds the guide hole; a servo valve needle which is arranged in the control chamber, is preloaded along the longitudinal axis into a closed position in which it seals the control opening, and can be moved, by means of a magnetic field which can be generated by the coil, into an open position in which it exposes the control opening and abuts the partition, wherein the servo valve needle has a connecting channel which connects the control chamber to the guide hole in the open position of the servo valve needle; and a main valve needle which is movably guided i

Abstract: A tank device for storing a gaseous medium, in particular hydrogen, includes a valve device and a tank. The valve device includes a valve housing having a longitudinal axis, in which valve housing an interior is formed. An actuation valve element is movable along the longitudinal axis and is arranged in the interior, which actuation valve element interacts with a valve seat in order to open and close an outlet opening and thus forms an actuation valve. The valve device includes a solenoid. The valve seat is formed downstream on the valve housing and at the outlet opening, and the cylindrical outlet opening leads into a cylindrical passage channel, the diameter D of the passage channel is greater than the diameter d of the outlet opening.

Abstract: The invention relates to a tank device (1) for a gaseous medium, comprising a valve device (2) and a tank (10), wherein the valve device (2) has a valve housing (20) with a longitudinal axis (11). The valve housing (20) is equipped with an inner chamber (7), in which a main valve element (16) is arranged in a movable manner along the longitudinal axis (11), said main valve element (16) interacting with a first valve seat (40) and thus forming a main valve (43). An actuation valve element (18) which can be moved along the longitudinal axis (11) is arranged coaxially to the main valve element (16), said actuation valve element (18) interacting with a second valve seat (41) in order to open and close an inlet opening (160) and thus forming an actuation valve (44). The valve device (2) additionally comprises a magnet coil (14).

Abstract: The invention relates to a tank device (1) for storing a gaseous medium, in particular hydrogen, comprising a valve device (2), and a tank (10) and having a longitudinal axis (11). The valve device (2) has a valve housing (20), which is equipped with a pilot valve element (18) that can be moved along the longitudinal axis (11), said pilot valve element (18) interacting with a first valve seat (27) in order to open and close a first outlet opening (56) and thus forming a pilot valve (44). The valve device (2) can be actuated by means of a solenoid coil (14), wherein a main valve element (19) is arranged in the valve housing (20), said main valve element (19) interacting with a second valve seat (40) in order to open and close a second outlet opening (31) and thus forming a main valve (191). The tank device (1) comprises a screw-in housing element (24), wherein the valve device (2) is integrated into a neck region (6) of the tank (10) in a fixed manner by means of the screw-in housing element (24).

Abstract: The invention relates to a tank device (1) for storing a gaseous medium, in particular hydrogen, comprising a valve device (2) and a tank (10). The valve device (2) comprises a valve housing (20) having a longitudinal axis, in which valve housing (20) an interior (7) is formed. An actuation valve element (18) movable along the longitudinal axis (11) is arranged in the interior (7), which actuation valve element (18) interacts with a valve seat (40) in order to open and close an outlet opening (31) and thus forms an actuation valve (44). The valve device (2) comprises a solenoid (14). Furthermore, the valve seat (40) is formed downstream on the valve housing (20) and at the outlet opening (31), and the cylindrical outlet opening (31) leads into a cylindrical passage channel (80), the diameter D of the passage channel (80) being greater than the diameter d of the outlet opening (31).

Abstract: The invention relates to a tank device (1) for a gaseous medium, comprising a valve device (2) and a tank (10), wherein the valve device (2) has a valve housing (20) with a longitudinal axis (11). The valve housing (20) is equipped with an inner chamber (7), in which a main valve element (16) is arranged in a movable manner along the longitudinal axis (11), said main valve element (16) interacting with a first valve seat (40) and thus forming a main valve (43). An actuation valve element (18) which can be moved along the longitudinal axis (11) is arranged coaxially to the main valve element (16), said actuation valve element (18) interacting with a second valve seat (41) in order to open and close an inlet opening (160) and thus forming an actuation valve (44). The valve device (2) additionally comprises a magnet coil (14).

Abstract: The invention relates to an injection nozzle (1) for fuels, comprising a nozzle body (2), in which a pressure chamber (4) that can be filled with fuel under high pressure is formed, in which pressure chamber a piston-shaped nozzle needle (3) is arranged in such a way that the nozzle needle can be moved longitudinally. A sealing surface (6) is formed at one end of the nozzle needle (3) and an end face (9) is formed at the opposite end, wherein the sealing surface (6) interacts with a nozzle seat (5) in order to open and close at least one injection opening (8). A control chamber (10) that can be filled with fuel under changing pressure is bounded by the end face (9) of the nozzle needle (3) such that a force can be applied to the end face (9) in the direction of the nozzle seat (5) by means of the hydraulic pressure. The nozzle needle (3) has an elastic longitudinal segment (25), which has a longitudinal stiffness of less than 40,000 N/mm.

Abstract: The invention relates to an injection nozzle (1) for fuels, comprising a nozzle body (2), in which a pressure chamber (4) that can be filled with fuel under high pressure is formed, in which pressure chamber a piston-shaped nozzle needle (3) is arranged in such a way that the nozzle needle can be moved longitudinally. A sealing surface (6) is formed at one end of the nozzle needle (3) and an end face (9) is formed at the opposite end, wherein the sealing surface (6) interacts with a nozzle seat (5) in order to open and close at least one injection opening (8). A control chamber (10) that can be filled with fuel under changing pressure is bounded by the end face (9) of the nozzle needle (3) such that a force can be applied to the end face (9) in the direction of the nozzle seat (5) by means of the hydraulic pressure. The nozzle needle (3) has an elastic longitudinal segment (25), which has a longitudinal stiffness of less than 40,000 N/mm.

Abstract: A method for irradiation planning for a quasi-cyclically moving target volume includes defining a first movement phase within a movement period of the target volume and carrying out a first irradiation planning using a first position of the target volume during the first movement phase. The method also includes defining a second movement phase within the movement period of the target volume, and carrying out a second irradiation planning for the second movement phase using a second position of the target volume during the second movement phase. An apportionment of a total dose to be applied is provided to a first partial dose that is allocated to the first movement phase and to a second partial dose that is allocated to the second movement phase.

Abstract: In order to increase the accuracy of the calibration of an imaging system of a radiation treatment system operable to generate a treatment beam, an imaging device generates first data representing a reticle disposed in a beam path of the treatment beam. A first transformation between at least two dimensions of a coordinate system of a radiotherapy device of the radiation treatment system and a two-dimensional (2D) image coordinate system for the imaging device is determined based on the first data. The imaging device generates second data representing a phantom including a plurality of markers. A position of the phantom in the coordinate system of the radiotherapy device is determined based on the second data and the first transformation. A second transformation between three dimensions of the coordinate system of the radiotherapy device and the 2D image coordinate system for the imaging device is determined based on the second data and the determined position of the phantom.

Abstract: A method for determining a movement phase of a periodically moving object in a plurality of sequentially produced images in a series of images of the periodically moving object. The method includes registering different images in the series of images. The method also includes determining a deformation that has occurred between the registered images. The method further includes—determining the phase of the movement of the moving object for at least one of the images in the series of images based upon the determined deformation.

Abstract: A method for irradiation planning for a quasi-cyclically moving target volume includes defining a first movement phase within a movement period of the target volume and carrying out a first irradiation planning using a first position of the target volume during the first movement phase. The method also includes defining a second movement phase within the movement period of the target volume, and carrying out a second irradiation planning for the second movement phase using a second position of the target volume during the second movement phase. An apportionment of a total dose to be applied is provided to a first partial dose that is allocated to the first movement phase and to a second partial dose that is allocated to the second movement phase.

Abstract: A large manipulator, especially a truck-mounted concrete pump, has a boom base that can be arranged on a frame so as to be pivoted about a substantially vertical axis of rotation. The large manipulator has a pendular element, that hangs down as an articulated boom and a control device for controlling the drive units of the axes of articulation and rotation of the articulated boom. The remote control has at least one inclination sensor which is housed in a housing that is detachably fastened on the pendular element. Two inclination sensors are housed in the housing and are bent at an angle of 90° with respect to each other and with respect to an axis that is parallel to the pendular element axis. The housing has a mark indicating the orientation of at least one of the inclination sensors inside the housing.

Abstract: The invention relates to a method for setting up a mobile machine (1), particularly an automatic concrete pump, a mobile crane or a movable elevating work platform. With such a method, the subsurface (28) of a site is analyzed for the properties and/or load-bearing capacity thereof before the machine (10) is positioned there and/or oriented and supported by means of flarable supporting legs (20, 24) in set-up positions (VR, VL, HR, HL) suitable according to the determined subsurface properties and load-bearing capacity. In order to determine an optimized set-up position for the supporting legs (20, 24), geodata (38) of a geographic environment that includes the site is read via a computer in a data memory (44) using a layer of subsurface data (40) that defines the subsurface properties and load-bearing capacity.

Abstract: A method for determining a movement phase of a periodically moving object in a plurality of sequentially produced images in a series of images of the periodically moving object. The method includes registering different images in the series of images. The method also includes determining a deformation that has occurred between the registered images. The method further includes—determining the phase of the movement of the moving object for at least one of the images in the series of images based upon the determined deformation.

Abstract: The invention relates to a method for setting up a mobile machine (1), particularly an automatic concrete pump, a mobile crane or a movable elevating work platform. With such a method, the subsurface (28) of a site is analyzed for the properties and/or load-bearing capacity thereof before the machine (10) is positioned there and/or oriented and supported by means of flarable supporting legs (20, 24) in set-up positions (VR, VL, HR, HL) suitable according to the determined subsurface properties and load-bearing capacity. In order to determine an optimized set-up position for the supporting legs (20, 24), geodata (38) of a geographic environment that includes the site is read via a computer in a data memory (44) using a layer of subsurface data (40) that defines the subsurface properties and load-bearing capacity.

Abstract: A large manipulator, especially a truck-mounted concrete pump, has a boom base that can be arranged on a frame so as to be pivoted about a substantially vertical axis of rotation. The large manipulator has a pendular element, that hangs down as an articulated boom and a control device for controlling the drive units of the axes of articulation and rotation of the articulated boom. The remote control has at least one inclination sensor which is housed in a housing that is detachably fastened on the pendular element. Two inclination sensors are housed in the housing and are bent at an angle of 90° with respect to each other and with respect to an axis that is parallel to the pendular element axis. The housing has a mark indicating the orientation of at least one of the inclination sensors inside the housing.