Abstract: Parts (10) for connection to at least one further part (30, 30?). The part (10) has at least two weld sections (11, 11?) to be welded individually to at least one of the further parts (30, 30?) by vibration welding. Each weld section (11, 11?) has at least one weld surface (13, 13?), for connection to the corresponding further part (30, 30?), and is spatially separated from each other weld section (11, 11?) by at least one vibration decoupling zone (14, 14?,23, 26). The part (10) has a particular arrangement of the weld section (11, 11?) with respect to the center of gravity (S) or has a particular mass distribution with respect to the weld section (11, 11?). Methods for connecting a part to at least one further part (30, 30?) and a composite part (90) containing a part (10) and a further part (30, 30?) are also disclosed.

Abstract: An ultrasonic welding apparatus (50) includes a sonotrode (8) with a working surface (10), an anvil (4) with a working surface (11), which lies opposite the working surface (10) of the sonotrode (8), and two side delimiters (5, 6) with respective side delimiting surfaces (12, 13). The working surfaces (10, 11) and the side delimiting surfaces (12, 13) delimit a compression chamber (9) for placing an elongated welding material (60) in a welding material direction (B). The ultrasonic welding apparatus (50) has a clamping device (14), by which the anvil (4) is clamped at least in a welding position (S) by a clamping force, which acts on at least part of a side (15) of the engaging surface (26) of the anvil (4) that lies opposite the working surface (11) of the anvil (4), in the direction of the sonotrode (8). A method for ultrasonic welding is also disclosed.

Abstract: An ultrasonic processing system (1) which comprises an ultrasonic vibrator (10) having an ultrasonic sonotrode (30) and a working surface (31) for ultrasonic processing of a workpiece. The vibrator (10) comprises a longitudinal axis (L), an enclosed cavity (32, 51) extends along the longitudinal axis at least in the sonotrode (30), a medium inlet (52) through which a cooling medium is fed into the cavity (32, 51), at least one vortex generator (53) which arranged between the medium inlet (52) and the cavity (32, 51) such that a swirl motion of the medium is generated inside the cavity (32, 51) around the longitudinal axis. A cooling channel (34) is fluidly connected to the enclosed cavity (32, 51) to guide the medium in the vicinity of the working surface (31) such that the working surface (31) is cooled. A first medium outlet (33) is fluidly connected to the cooling channel (34).

Abstract: A device (10?) for welding components by ultrasound. The device (10?) comprises a sonotrode (11?) having a sonotrode head (12?) which can be excited by a vibration generator to produce torsion vibrations with respect to a torsion axis (T). At least one welding surface (14?) is arranged on the peripheral side on the sonotrode head (12?) with respect to the torsion axis (T). The device (10?) also comprises a support device (15?) which supports the sonotrode head (11?) in a support area (16?), which contains a vibration node of the sonotrode head (12?). The support area (16?) and the welding surface (14?) at least partially extend along a common plane (E) which extends perpendicular to the torsion axis (T). A device (10?) for welding components by ultrasound by using a temperature control device are also disclosed.

Abstract: A device (10?) for welding components by ultrasound. The device (10?) comprises a sonotrode (11?) having a sonotrode head (12?) which can be excited by a vibration generator to produce torsion vibrations with respect to a torsion axis (T). At least one welding surface (14?) is arranged on the peripheral side on the sonotrode head (12?) with respect to the torsion axis (T). The device (10?) also comprises a support device (15?) which supports the sonotrode head (11?) in a support area (16?), which contains a vibration node of the sonotrode head (12?). The support area (16?) and the welding surface (14?) at least partially extend along a common plane (E) which extends perpendicular to the torsion axis (T). A device (10?) for welding components by ultrasound by using a temperature control device are also disclosed.

Abstract: Parts (10) for connection to at least one further part (30, 30?). The part (10) has at least two weld sections (11, 11?) to be welded individually to at least one of the further parts (30, 30?) by vibration welding. Each weld section (11, 11?) has at least one weld surface (13, 13?), for connection to the corresponding further part (30, 30?), and is spatially separated from each other weld section (11, 11?) by at least one vibration decoupling zone (14, 14?, 23, 26). The part (10) has a particular arrangement of the weld section (11, 11?) with respect to the center of gravity (S) or has a particular mass distribution with respect to the weld section (11, 11?). Methods for connecting a part to at least one further part (30, 30?) and a composite part (90) containing a part (10) and a further part (30, 30?) are also disclosed.

Abstract: An ultrasonic processing system (1) which comprises an ultrasonic vibrator (10) having an ultrasonic sonotrode (30) and a working surface (31) for ultrasonic processing of a workpiece. The vibrator (10) comprises a longitudinal axis (L), an enclosed cavity (32, 51) extends along the longitudinal axis at least in the sonotrode (30), a medium inlet (52) through which a cooling medium is fed into the cavity (32, 51), at least one vortex generator (53) which arranged between the medium inlet (52) and the cavity (32, 51) such that a swirl motion of the medium is generated inside the cavity (32, 51) around the longitudinal axis. A cooling channel (34) is fluidly connected to the enclosed cavity (32, 51) to guide the medium in the vicinity of the working surface (31) such that the working surface (31) is cooled. A first medium outlet (33) is fluidly connected to the cooling channel (34).

Abstract: A device (10?) for welding components by ultrasound. The device (10?) comprises a sonotrode (11?) having a sonotrode head (12?), which can be excited by a vibration generator to produce torsion vibrations with respect to a torsion axis (T). At least one welding surface (14?) is arranged on the peripheral side on the sonotrode head (12?) with respect to the torsion axis (T). The device (10?) also comprises a support device (15?) which supports the sonotrode head (11?) in a support area (16?), which contains a vibration node of the sonotrode head (12?). The support area (16?) and the welding surface (14?) at least partially extend along a common plane (E) which extends perpendicular to the torsion axis (T). A device (10?) for welding components by ultrasound by using a temperature control device are also disclosed.

Abstract: A screening system (10) comprising at least one first substantially annular screen support (11) and a second substantially annular screen support (12); at least one pressure rod (14), which braces the screen supports (11, 12) with each other in such a manner that a compressive stress is produced between the screen supports (11, 12); at least one substantially cylindrical outer screen surface (13), which is clamped between the screen supports (11, 12); and at least one resonator (15) for the introduction of ultrasonic vibrations directly into the screen surface (13). The resonator (15) may be fastened to the screen surface (13) and essentially runs from the first screen support (11) to the second screen support (12). An eddy-current screening machine is also disclosed.

Abstract: An ultrasonic welding apparatus (50) includes a sonotrode (8) with a working surface (10), an anvil (4) with a working surface (11), which lies opposite the working surface (10) of the sonotrode (8), and two side delimiters (5, 6) with respective side delimiting surfaces (12, 13). The working surfaces (10, 11) and the side delimiting surfaces (12, 13) delimit a compression chamber (9) for placing an elongated welding material (60) in a welding material direction (B). The ultrasonic welding apparatus (50) has a damping device (14), by which the anvil (4) is damped at least in a welding position (S) by a clamping force, which acts on at least part of a side (15) of the engaging surface (26) of the anvil (4) that lies opposite the working surface (11) of the anvil (4), in the direction of the sonotrode (8). A method for ultrasonic welding is also disclosed.

Abstract: A device (10?) for welding components by ultrasound. The device (10?) comprises a sonotrode (11?) having a sonotrode head (12?), which can be excited by a vibration generator to produce torsion vibrations with respect to a torsion axis (T). At least one welding surface (14?) is arranged on the peripheral side on the sonotrode head (12?) with respect to the torsion axis (T). The device (10?) also comprises a support device (15?) which supports the sonotrode head (11?) in a support area (16?), which contains a vibration node of the sonotrode head (12?). The support area (16?) and the welding surface (14?) at least partially extend along a common plane (E) which extends perpendicular to the torsion axis (T). A device (10?) for welding components by ultrasound by using a temperature control device are also disclosed.

Abstract: An apparatus (1) for ultrasonic welding which comprises a sonotrode (2) with an elongate sonotrode head (4), on which an elongate welding surface (5) oriented in the longitudinal direction of the sonotrode head (4) is formed. The apparatus (1) further comprises at least two converters (11) for exciting ultrasonic vibrations of the sonotrode (2) in a direction of action (B). The direction of action (B) is preferably oriented substantially perpendicular to the longitudinal direction (A) of the sonotrode head (14). Finally, the apparatus (1) comprises a reaction body (3) as a reaction mass, the at least two converters (11) are arranged between the sonotrode (2) and the reaction body (3).

Abstract: The invention relates to, inter alia, a screening system (10), comprising: at least one first substantially annular screen support (11) and a second substantially annular screen support (12); at least one pressure rod (14), which braces the screen supports (11, 12) with each other in such a manner that a compressive stress is produced between the screen supports (11, 12); at least one substantially cylindrical outer screen surface (13), which is clamped between the screen supports (11, 12); and at least one resonator (15) for the introduction of ultrasonic vibrations directly into the screen surface (13). According to a first embodiment of the invention, the resonator (15) is fastened to the screen surface (13) and essentially runs from the first screen support (11) to the second screen support (12). The invention further relates to an eddy-current screening machine and to the use of a screening system (10) or of an eddy-current screening machine.

Abstract: An apparatus (1) for ultrasonic welding which comprises a sonotrode (2) with an elongate sonotrode head (4), on which an elongate welding surface (5) oriented in the longitudinal direction of the sonotrode head (4) is formed. The apparatus (1) further comprises at least two converters (11) for exciting ultrasonic vibrations of the sonotrode (2) in a direction of action (B). The direction of action (B) is preferably oriented substantially perpendicular to the longitudinal direction (A) of the sonotrode head (14). Finally, the apparatus (1) comprises a reaction body (3) as a reaction mass, the at least two converters (11) are arranged between the sonotrode (2) and the reaction body (3).

Abstract: A treatment device for treating liquids in oil, gas or water wells comprises an ultrasonic treatment device (1). The ultrasonic treatment device (1) includes a resonator (2), a transducer (9) and a matching transformer (10) for transferring a maximum of power from an ultrasonic generator to the transducer (9) through a long cable (11). The cable (11) has a considerable length of at least 3 km and is attached to a generator (5).

Abstract: A treatment device for treating liquids in oil, gas or water wells comprises an ultrasonic treatment device (1). The ultrasonic treatment device (1) includes a resonator (2), a transducer (9) and a matching transformer (10) for transferring a maximum of power from an ultrasonic generator to the transducer (9) through a long cable (11). The cable (11) has a considerable length of at least 3 km and is attached to a generator (5).