Abstract: A switch (10), particularly a disconnecting switch (10) for high direct currents and alternating currents at high voltages, can be transferred from a conducting position into a disconnecting position. The switch (10) is includes a housing (12), a first contact (28), a second contact (30), a switching piston (24) guided by the housing (12) with a connecting element (22), which establishes an electrical connection in the connecting position between the first contact (28) and the second contact (30). The housing (12) defines an interior space surrounding the connecting element (22). The connecting element (22) extends at least partially in the interior space (18) and is filled with an insulating medium (20), and the switch is designed such that a mechanical movement of the switching piston (24) transfers the switch (10) from the connecting position into the disconnecting position.

Abstract: The invention relates to a needleless injection device, comprising a firing chamber (11) for the needleless injection of a substance (25), having a firing chamber containing a pyrotechnic material and a gel-like medium, with which a substance, in particular an active substance, can be accelerated at high speed and injected in a needleless manner into a tissue or into a body by means of a membrane (15). The invention also relates to a method for producing a needleless injection device of this type containing a firing chamber together with pyrotechnic material and filled with a gel-like medium, and use thereof.

Abstract: An electrical switch, in particular for high voltages and/or high currents, includes a contact unit which includes at least two contact, a switching element and a drive for the switching element. The drive is designed such that it can move the switching element from an initial position into an end position. The switching element is accelerated during an acceleration phase directly or indirectly by the drive and it passes subsequently through a free movement phase until it has reached the end position.

Abstract: The invention relates to a needleless injection device, containing at least one membrane, or a corresponding device for needleless injection of a substance, having at least one membrane, with which a powdered, gel-like or liquid agent, in particular an active agent, can be injected in a needleless manner into a tissue or a body by means of high impact speed. The invention also relates to a method for such a needleless injection device containing a membrane, and use thereof.

Abstract: An electrical interruption switch having a casing which surrounds a contact unit which defines the path of the current through the interruption switch, and having a propellant charge having a gas-generating activatable material. The contact unit has a first and a second connection contacts, an upsetting region, a separation region and a sabot. An extinguishing agent is provided in such a way that the motion of the sabot and/or the upsetting of the upsetting region reduces the volume for receiving the extinguishing agent in such a way that the extinguishing agent is injected through at least one discharge channel that connects the volume for receiving the extinguishing agent to the chamber in which the separation region is located, in order to extinguish or to prevent the formation of an electric arc between the ends of the separation region.

Abstract: The invention relates to a needleless injection device or a device for the needleless injection of a substance into a tissue or body, with which device a substance, in particular an active substance, can be injected by means of high pressure. A device according to the invention comprises a chamber (11) containing a pyrotechnic material, wherein the chamber has a fixed double membrane (13, 15) at a discharge opening, wherein the skin-side membrane (15) of the double membrane (13, 15) is provided with a substance application (25). A successful injection lies in the fact that sufficient substance is introduced into the body through the tissue barrier or body barrier, in particular such as the skin.

Abstract: The present patent application relates to a pharmaceutical product and a device for the storage, handling, transport and administration of active ingredients, pharmaceutical formulations and vaccines. In addition, the present invention relates to a device and pharmaceutical product suitable for intra-dermal, intra-mucosal or epidermal administration like for example intra-dermal or epidermal immunisation. Further, the invention confers methods of attaching active ingredients, pharmaceutical formulations and vaccines to a surface by oily substances and the surfaces, pharmaceutical products and devices obtained by these methods. In particular, the present invention provides a device or pharmaceutical product for the attachment of vaccines to surfaces using oily substances that have at the same time an adjuvant effect.

Abstract: The vacuum switch is compact, requires little effort, and provides a reliable current path having a high current-carrying capacity between the terminals of the vacuum switch, particularly at high switch-on speeds. The vacuum switch has a vacuum chamber, in which a vacuum is present and in which a switching contact is arranged. The switching contact includes a fixed contact piece firmly connected to the vacuum chamber and in electrical contact with a fixed contact terminal, and a moving contact piece movably guided relative to the fixed contact piece. The moving contact piece is at a distance to the fixed contact piece in a disconnect position and contacts the latter in a contact position. A drive unit produces a drive movement. A switching mechanism is connected to the drive unit and the moving contact piece and includes a conductor section that is electrically conducting up to the moving contact piece.

Abstract: The vacuum switch is compact, requires little effort, and provides a reliable current path having a high current-carrying capacity between the terminals of the vacuum switch, particularly at high switch-on speeds. The vacuum switch has a vacuum chamber, in which a vacuum is present and in which a switching contact is arranged. The switching contact includes a fixed contact piece firmly connected to the vacuum chamber and in electrical contact with a fixed contact terminal, and a moving contact piece movably guided relative to the fixed contact piece. The moving contact piece is at a distance to the fixed contact piece in a disconnect position and contacts the latter in a contact position. A drive unit produces a drive movement. A switching mechanism is connected to the drive unit and the moving contact piece and includes a conductor section that is electrically conducting up to the moving contact piece.

Abstract: The invention relates to a needle-less injection device, comprising a cannula (5) which can be inserted in a housing (3), can be filled with a predetermined active substance (11) for injection, and comprises a piston (9) movable in a cannula housing for ejecting the active substance (11) from an outlet opening (53) in the cannula housing, and a propellant charge cartridge (7) insertable into the housing (3) and comprising a housing containing a propellant charge (19) and a device (23) for igniting the propellant charge, and a propelling surface (15) movable in a part (3a) of the housing of the injection device (1) or in the housing of the cannula (5) or in the cartridge housing and movable by the gas pressure, after ignition of the propellant charge (19), out of a starting position into an end position, the outer periphery of the propelling surface being sealed from the inner periphery of each housing during the entire displacement travel also, wherein the propelling surface (15) acts upon the piston (9) mova

Abstract: The invention relates to a pyrotechnic fuse element having a closed housing consisting of an electrically conductive material, in which an explosive is provided, the housing containing two terminal zones for electric contacting, which are electrically connected by means of the electrically conductive material of the housing, the electric connection of the terminal zones being separable by activating the explosive, and the explosive material being embodied as a deflagrating pyrotechnic substance which is provided in such an amount and is configured such that the electric connection of the terminal zones of the housing is separated in a predetermined time after the deflagrating pyrotechnic substance has been activated.

Abstract: The invention relates to a device for vaporizing a fluid, particularly a fogging fluid or extinguishing fluid, comprising a vaporizing body that is provided with at least one vaporizing channel. The fluid or an already partially vaporized fluid in the form of wet vapor or a mixture thereof can be fed to the vaporizing channel via a feed opening. The fluid that is vaporized in an essentially complete manner escapes out of a discharge opening, whereby the cross-section of the vaporizer channel is designed so that is enlarges from the feed opening toward the discharge opening.

Abstract: The invention relates to a pyrotechnic fuse element having a closed housing consisting of an electrically conductive material, in which an explosive is provided, the housing containing two terminal zones for electric contacting, which are electrically connected by means of the electrically conductive material of the housing, the electric connection of the terminal zones being separable by activating the explosive, and the explosive material being embodied as a deflagrating pyrotechnic substance which is provided in such an amount and is configured such that the electric connection of the terminal zones of the housing is separated in a predetermined time after the deflagrating pyrotechnic substance has been activated.

Abstract: The invention relates to a hybrid gas generator, in particular for filling a gas bag, comprising a combustion chamber (3) which contains a predetermined amount of a gas generating material (11) and which comprises an outlet opening of the combustion chamber, further comprising an activating device (9) for activating the gas generating material (11) and further comprising a gas vessel (5) containing a stored gas, which is connected with the combustion chamber (3) via the outlet opening of the combustion chamber, which is sealed off in the initial state, and which comprises at least one outlet opening (25) for the gas mixture which is sealed off by means of an outlet membrane (23) in the initial state.

Abstract: The invention relates to a needle-less injection device, comprising a cannula (5) which can be inserted in a housing (3), can be filled with a predetermined active substance (11) for injection, and comprises a piston (9) movable in a cannula housing for ejecting the active substance (11) from an outlet opening (53) in the cannula housing, and a propellant charge cartridge (7) insertable into the housing (3) and comprising a housing containing a propellant charge (19) and a device (23) for igniting the propellant charge, and a propelling surface (15) movable in a part (3a) of the housing of the injection device (1) or in the housing of the cannula (5) or in the cartridge housing and movable by the gas pressure, after ignition of the propellant charge (19), out of a starting position into an end position, the outer periphery of the propelling surface being sealed from the inner periphery of each housing during the entire displacement travel also, wherein the propelling surface (15) acts upon the piston (9) mova

Abstract: The invention relates to a gas generator, in particular for filling a gas bag, comprising a housing (7, 15, 17, 27) in which a stream of gas can be generated by means of a gas generating material (11) to be activated which is provided in a combustion chamber (3), which stream of gas escapes from an outlet opening (45) of the housing, and comprising a removing device (33; 47) for removing solid or liquid particles produced during the generation of gas, through which the gas stream generated flows.

Abstract: The invention relates to a hybrid gas generator, in particular for filling a gas bag, comprising a combustion chamber (3) which contains a predetermined amount of a gas generating material (11) and which comprises an outlet opening of the combustion chamber, further comprising an activating device (9) for activating the gas generating material (11) and further comprising a gas vessel (5) containing a stored gas, which is connected with the combustion chamber (3) via the outlet opening of the combustion chamber, which is sealed off in the initial state, and which comprises at least one outlet opening (25) for the gas mixture which is sealed off by means of an outlet membrane (23) in the initial state, wherein the gas that is generated in the combustion chamber (3) after the gas generating material (11) has been activated acts upon a projectile (29) via the outlet opening of the combustion chamber, which projectile is accelerated by the gas pressure and destroys the outlet membrane (23), whereby the gas mixture

Abstract: The invention relates to a device for isolating an electric circuit, especially for high current intensities, with a housing (1) in which is provided at least one electrical conductor element (3) which presents an isolating area (9) and which can be wired in such manner into the severable electric circuit that the isolating current path passes over the conductor element (3) and with activatable means(13, 7; 3, 9, 7), provided in or at housing (1) for generating a trigger pressure which acts directly upon the isolating area (9) and/or via a driving surface (17, 23, 39, 41), in its original position, impinging upon the isolating area (9), wherein the isolating area (9) and/or the driving surface (17, 23, 39, 41) is designed in such manner that after activation of the means (13, 7; 3, 9, 7) the isolating area (9) is totally isolated or broken out, or the cross-section of the isolating area (9) is reduced.

Abstract: A device with a pyrotechnic gas generator wherein gas pressurizes a hydraulic circuit via a cartridge-case base, a spring and a pressure piston. The pyrotechnic gas generator comprises a propellant charge, which is located in a combustion chamber and is ignited by an electronic igniting unit. The parts of the device are contained in a housing, which is exchangeably inserted into a wall surrounding the hydraulic circuit.