Abstract: The invention relates to a device for igniting a fuel/air mixture in the combustion chamber of an internal combustion engine. The device includes an electrode which is connected to a voltage source and extends into a precombustion chamber, and the precombustion chamber is separated at least in some regions from the combustion chamber by a wall. A control device or a regulating device is provided which controls the voltage supply to the electrode such that a corona discharge is carried out in the precombustion chamber. The wall has at least one opening for exchanging fluids between the combustion chamber and precombustion chamber, and a fluid inlet opens into the precombustion chamber.

Abstract: A method for producing a cationic liposomal preparation comprising a lipophilic active compound with physical and chemical stability during manufacturing, storing and reconstituting, and further a cationic liposomal preparation obtainable by this method as well as specific cationic liposomal preparations as well as pharmaceutical compositions are disclosed.

Abstract: A laser ignition apparatus including at least two laser light generating devices and a common optical coupling-in means for coupling laser light from the at least two laser light generating devices into a combustion chamber of a combustion machine, wherein the at least two laser light generating devices are so arranged that laser light given off by the laser light generating devices in the operating condition impinges on the optical coupling-in means and/or issues from the optical coupling-in means in parallel displaced relationship or at an angle to each other. A method of igniting a fuel/air mixture in a combustion chamber of a combustion machine.

Abstract: A method for producing a cationic liposomal preparation comprising a lipophilic active compound with physical and chemical stability during manufacturing, storing and reconstituting, and further a cationic liposomal preparation obtainable by this method as well as specific cationic liposomal preparations as well as pharmaceutical compositions are disclosed.

Abstract: A spark plug is described, for an internal combustion engine, having a prechamber for accommodating an ignitable medium, and having a laser device for applying laser radiation to an ignition point situated in the prechamber. The laser device has a laser-active solid body having a passive Q-switch.

Abstract: A laser spark plug, in particular for an internal combustion engine, having an arrangement or structure for coupling, especially focusing, laser radiation in or on an ignition point, including an arrangement or structure for influencing a fluid flow disposed in an end region of the laser spark plug on the side of the combustion chamber, which constitute an essentially sleeve-shaped extension of the laser spark plug in the direction of the combustion chamber, in which the arrangement or structure for influencing the fluid flow is configured to influence the fluid flow in the region of the ignition point.

Abstract: The invention relates to a device for igniting a fuel/air mixture in the combustion chamber of an internal combustion engine, comprising an electrode which is connected to a voltage source and extends into a precombustion chamber, wherein the precombustion chamber is separated at least in some regions from the combustion chamber by a wall, wherein a control device or a regulating device is provided which controls the voltage supply to the electrode such that a corona discharge is carried out in the precombustion chamber, wherein the wall has at least one opening for exchanging fluids between the combustion chamber and precombustion chamber, wherein a fluid inlet opens into the precombustion chamber.

Abstract: A method for producing a cationic liposomal preparation comprising a lipophilic active compound with physical and chemical stability during manufacturing, storing and reconstituting, and further a cationic liposomal preparation obtainable by this method as well as specific cationic liposomal preparations as well as pharmaceutical compositions are disclosed.

Abstract: A method for operating an internal combustion engine, comprising a compression device, an air/fuel mixture being compressed in the compression device, the air/fuel mixture ratio ?2 of the air/fuel mixture fed to a cylinder of the internal combustion engine being varied as a function of the load of the internal combustion engine, the air/fuel mixture ratio ?1 of air/fuel mixture compressed in the internal combustion engine being higher than the air/fuel ratio ?2 of the air/fuel mixture fed to the cylinder, characterized in that the air/fuel ratio ?1 of air/fuel mixture compressed in the compression device is selected such that it is not ignitable under the conditions in the compression device and/or upstream of the compression device.

Abstract: An apparatus is provided for the ignition of a fuel/air mixture in the combustion chamber of a combustion machine, wherein the combustion chamber has at least one inlet valve and at least one outlet valve. There are further provided a laser light generating device for giving off laser light and a combustion chamber window for coupling the laser light into a combustion chamber of the combustion machine. There is provided at least one fluid feed means which is separate from the inlet valve or valves and with which a fluid can be caused to flow at least on to regions of the surface of the combustion chamber window or between the combustion chamber window and the focal point of the laser light.

Abstract: A method for producing a cationic liposomal preparation comprising a lipophilic active compound with physical and chemical stability during manufacturing, storing and reconstituting, and further a cationic liposomal preparation obtainable by this method as well as specific cationic liposomal preparations as well as pharmaceutical compositions are disclosed.

Abstract: An air filter for a combustion machine including a housing with a flow passage and a filter insert, wherein said filter insert subdivides the flow passage into an intake flow passage with an air inlet opening and into a discharge flow passage with an air outlet opening, wherein the filter insert has an air inlet surface which extends at least region-wise over the length of the filter insert along the air flow direction, wherein said filter insert has at least two successive filter elements, wherein the outside diameter or diameters of said filter elements, is or are different.

Abstract: A spark plug of an internal combustion engine, in particular for use in Otto-cycle gas engines, comprising an insulator body, a base central electrode, at least one ground electrode and at least one swirl chamber, wherein the electrodes of the spark plug are surrounded by a wall, which in particular is in the form of a surface of a cylinder, of the swirl chamber, wherein at least one ground electrode carrier arrangement (8) with a plurality of inwardly facing, preferably flat ground electrodes (9) or a plurality of ground electrode carriers (6) each with inwardly facing, preferably flat ground electrodes (9) is or are arranged at the wall (13) of the swirl chamber (3).

Abstract: An apparatus for the ignition of a fuel/air mixture in the combustion chamber of a combustion machine, wherein the combustion chamber has at least one inlet valve and at least one outlet valve, wherein there are further provided a laser light generating device for giving off laser light and a combustion chamber window for coupling the laser light into a combustion chamber of the combustion machine, wherein there is provided at least one fluid feed means which is separate from the inlet valve or valves and with which a fluid can be caused to flow at least on to regions of the surface of the combustion chamber window or between the combustion chamber window and the focal point of the laser light.

Abstract: Apparatus for coupling laser light into a combustion chamber of a combustion engine including a combustion chamber window and a structural element, wherein the combustion chamber window is releasably fixable to the structural element, wherein there is provided an optical window which is arranged at the structural element and is at least region-wise covered by the combustion chamber window.

Abstract: A laser ignition apparatus including at least two laser light generating devices and a common optical coupling-in means for coupling laser light from the at least two laser light generating devices into a combustion chamber of a combustion machine, wherein the at least two laser light generating devices are so arranged that laser light given off by the laser light generating devices in the operating condition impinges on the optical coupling-in means and/or issues from the optical coupling-in means in parallel displaced relationship or at an angle to each other. A method of igniting a fuel/air mixture in a combustion chamber of a combustion machine.

Abstract: An internal combustion engine includes a plurality of cylinders (1 through 12) and at least one turbocharger (2) and at least one exhaust manifold (13) which passes exhaust gases from two or more cylinders (5, 6) to the turbocharger (20), wherein the exhaust manifold (13) has a region (15) cooled with a cooling device and a substantially uncooled region (14).

Abstract: A method for producing a cationic liposomal preparation comprising a lipophilic active compound with physical and chemical stability during manufacturing, storing and reconstituting, and further a cationic liposomal preparation obtainable by this method as well as specific cationic liposomal preparations as well as pharmaceutical compositions are disclosed.

Abstract: An internal combustion engine comprising a plurality of cylinders (1 through 12) and at least one turbocharger (20) and at least one exhaust manifold (13) which passes exhaust gases from two or more cylinders (5, 6) to the turbocharger (20), wherein the exhaust manifold (13) has a region (15) cooled with a cooling device and a substantially uncooled region (14).

Abstract: A computer system (1) comprises user terminals (2, 3, 4, 5) which are connected via a computer network (NET) to a server (6) which stores confidential data (PD). The user terminals (2, 3, 4, 5) contain an access control device (18) which is provided for controlling the authorization of a user of the computer system (1) to access the confidential data (PD). The access control device (18) allows various sets of authorization information (GPWI, GFPI) to be allocated to user information (UI), as a result of which the locking of a user terminal (2, 3, 4, 5) can be cancelled by several authorized users.