Abstract: A cylinder head for an internal combustion engine includes a spark plug 3, provided in combustion chamber 2, and an injection nozzle 1 that has a housing end face 27 and a closure element 6 which is movable by an actuator and has a closure member 10, the housing end face 17 of the injection nozzle 1 forming a common, planar surface with the closure member 10 in the closed state of the injection nozzle 1.

Abstract: A method for the formation of a combustible fuel/air mixture in a combustion chamber of a direct-injection internal combustion engine with an injection nozzle, which has a closure body includes the steps of injecting at least two partial quantities of fuel into the combustion chamber and moving the closure body of the injection nozzle into its closed position after the injection of each of the partial quantities of fuel.

Abstract: The present invention relates to a cylinder head for an internal combustion engine having a spark plug 3, provided in combustion chamber 2, and an injection nozzle 1 that has a housing end face 27 and a closure element 6 which is movable by an actuator and has a closure member 10, the housing end face 17 of the injection nozzle 1 forming a common, planar surface with the closure member 10 in the closed state of the injection nozzle 1.

Abstract: A method for the formation of a combustible fuel/air mixture in a combustion chamber of a direct-injection internal combustion engine with an injection nozzle, which has a closure body includes the steps of injecting at least two partial quantities of fuel into the combustion chamber and moving the closure body of the injection nozzle into its closed position after the injection of each of the partial quantities of fuel.

Abstract: A cartridge filter having a cylindrical filter element, which is pleated parallel to its axis and is made of a layered non-woven unitary fabric. The fabric is permeable by air flow in the radial direction and is used in fresh air-supply filtration with initial pressure losses of less than 300 Pa at air flow rates through the filter medium of less than 250 m.sup.3 /m.sup.2 h. The non-woven fabric has a mass per unit area of 100 to 500 g/m.sup.2, and a thickness of 1.5-7.0 mm mm. It is made of layered staple fibers of a titer of 0.1 to 50 decitex, which are bonded by a thermally softened binding agent. A bottom layer bordering on the downstream side is contained in the non-woven fabric, having a thickness of 10 to 60% of the overall thickness, and is compressed two to ten times as much as a top layer bordering on the upstream flow side having a thickness of 10-60% of the overall thickness. One or more intermediate layers link the top and bottom layers to one another.