Abstract: The invention relates to a high-pressure accumulator (1) for internal combustion engines for storing highly pressurized fuel. The high-pressure accumulator (1) comprises an accumulator pipe (2) with an accumulator chamber (3) formed in the accumulator pipe (2). The high-pressure accumulator (1) comprises a supply connection (7) for supplying highly pressurized fuel and at least one discharge connection (4) for discharging highly pressurized fuel. A honeycomb structure (10) is arranged in the accumulator chamber (3).

Abstract: The invention relates to a turbine (20) having an impeller (23) arranged in a housing (26). The turbine (20) has an inflow region (21) and an outflow region (22) and a working medium flows through said turbine during operation. The working medium flows into the inflow region (21), along a front side (23a) formed on the impeller (23) and subsequently out of the outflow region (22). There is a pressure drop at the front side (23a) between the inflow region (21) and the outflow region (22). A pressure distributer (9) is arranged on the rear side (23b) of the impeller (23), opposite the front side (23a). The pressure distributer (9) comprises a slide ring (31), which cooperates with the rear side (23b) of the impeller (23) and thereby forms a vapour-lubricated throttle. A first flow path (51) runs through the throttle, wherein the throttle hydraulically divides the rear side (23b) into a first region (231) and a second region (232).

Abstract: The invention relates to a turbine (20) having an impeller (23) arranged in a housing (26). The turbine (20) has an inflow region (21) and an outflow region (22) and a working medium flows through said turbine during operation. The working medium flows into the inflow region (21), along a front side (23a) formed on the impeller (23) and subsequently out of the outflow region (22). There is a pressure drop at the front side (23a) between the inflow region (21) and the outflow region (22). A pressure distributer (9) is arranged on the rear side (23b) of the impeller (23), opposite the front side (23a). The pressure distributer (9) comprises a slide ring (31), which cooperates with the rear side (23b) of the impeller (23) and thereby forms a vapour-lubricated throttle. A first flow path (51) runs through the throttle, wherein the throttle hydraulically divides the rear side (23b) into a first region (231) and a second region (232).

Abstract: The invention relates to a fuel injector comprising an actuator module 2 arranged in a holding body 1, wherein the holding body 1 is braced by means of a tension nut 13 to a nozzle body 12 by means of at least one interposed intermediate body designed as a throttle plate 11, wherein the throttle plate 11 is penetrated by at least one high pressure channel 16, an inflow channel 18 having an inflow throttle, and an outflow channel 19 having an outflow throttle, and wherein a valve actuated by the actuator module 2, said valve having at least one valve pin 4 and a sealing sleeve 5, is arranged between the actuator module 2 and the throttle plate 11, forming a leakage chamber 21 facing the throttle plate 11. According to the invention, a fuel injector is provided, wherein the leakage discharge out of the leakage chamber 21 is ensured without impairing the tightness of the fuel injector in the areas adjacent to the throttle plate 11.

Abstract: A fuel injection valve (100) for internal combustion engines, having a housing (10) in which a nozzle body (11) is at least indirectly axially clamped against a holding body (15) by means of a clamping nut (18), wherein the clamping nut (18) radially surrounds the nozzle body (11), and wherein a threaded connection (20) between the holding body (15) and the clamping nut (18) is formed between the clamping nut (18) and the holding body (15) in a region which is axially spaced apart from the nozzle body (11). The threaded connection (20) comprises at least two toothing regions (21, 22) which have different threaded dimensions and are arranged axially one behind the other in the longitudinal direction of the housing (10).

Abstract: The invention relates to a fuel injector with a holding body and a nozzle body which are joined together and which accommodate a coupler module which has a coupler body enclosed by a spring sleeve. The spring sleeve is open in a circumferential direction at a seam thereof which extends in the longitudinal direction. Either the wall thickness of the spring sleeve varies in the longitudinal direction, or a width of at least one hole geometry in the sheathing of the spring sleeve varies in the longitudinal direction.

Abstract: A fuel injection valve (100) for internal combustion engines, having a housing (10) in which a nozzle body (11) is at least indirectly axially clamped against a holding body (15) by means of a clamping nut (18), wherein the clamping nut (18) radially surrounds the nozzle body (11), and wherein a threaded connection (20) between the holding body (15) and the clamping nut (18) is formed between the clamping nut (18) and the holding body (15) in a region which is axially spaced apart from the nozzle body (11). The threaded connection (20) comprises at least two toothing regions (21, 22) which have different threaded dimensions and are arranged axially one behind the other in the longitudinal direction of the housing (10).

Abstract: The invention relates to a fuel injector comprising an actuator module 2 arranged in a holding body 1, wherein the holding body 1 is braced by means of a tension nut 13 to a nozzle body 12 by means of at least one interposed intermediate body designed as a throttle plate 11, wherein the throttle plate 11 is penetrated by at least one high pressure channel 16, an inflow channel 18 having an inflow throttle, and an outflow channel 19 having an outflow throttle, and wherein a valve actuated by the actuator module 2, said valve having at least one valve pin 4 and a sealing sleeve 5, is arranged between the actuator module 2 and the throttle plate 11, forming a leakage chamber 21 facing the throttle plate 11. According to the invention, a fuel injector is provided, wherein the leakage discharge out of the leakage chamber 21 is ensured without impairing the tightness of the fuel injector in the areas adjacent to the throttle plate 11.

Abstract: The invention relates to a fuel injector with a holding body and a nozzle body which are joined together and which accommodate a coupler module which has a coupler body enclosed by a spring sleeve. The spring sleeve is open in a circumferential direction at a seam thereof which extends in the longitudinal direction. Either the wall thickness of the spring sleeve varies in the longitudinal direction, or a width of at least one hole geometry in the sheathing of the spring sleeve varies in the longitudinal direction.

Abstract: An actuator unit suitable for actuating a fuel injection valve of an injection system for internal combustion engines is comprised of a piezoelectric actuator and a hollow body embodied in the form of a spring. Embodying the hollow body according to the present invention can extend the service life of the actuator unit.

Abstract: An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designing the hollow body to eliminate or minimize bending stresses on the piezoelectric actuator.

Abstract: A piezoelectric actuator module having at least one piezoelectric component, one actuator foot, and one actuator head is surrounded by an axially extending bush. For sealing the piezoelectric actuator module in the axial direction, the actuator foot is adjoined by a diaphragm, which extends essentially in the radial direction, is joined to the bush, and has a cross section with various radii of curvature.

Abstract: A fuel injection valve for internal combustion engines, with a housing that contains a moving valve element whose movement counter to the elastic force of a spring element controls the fuel supply to the combustion chamber of the engine. The spring element has the form of a cylindrical sleeve whose wall contains openings at a number of locations that allow the spring element to be elastically deformed in the longitudinal direction.

Abstract: An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designing the hollow body to eliminate or minimize bending stresses on the piezoelectric actuator.

Abstract: An actuator unit suitable for actuating a fuel injection valve of an injection system for internal combustion engines is comprised of a piezoelectric actuator and a hollow body embodied in the form of a spring. Embodying the hollow body according to the present invention can extend the service life of the actuator unit.

Abstract: A piezoelectric actuator module has at least one piezoelectric element, one actuator foot and one actuator head, and is surrounded by an axially extending sleeve. To seal off the piezoelectric actuator module in the axial direction, the actuator foot is adjoined by a diaphragm that extends essentially in the radial direction and is connected to the sleeve.

Abstract: A fuel injection valve for internal combustion engines, with a housing that contains a moving valve element whose movement counter to the elastic force of a spring element controls the fuel supply to the combustion chamber of the engine. The spring element has the form of a cylindrical sleeve whose wall contains openings at a number of locations that allow the spring element to be elastically deformed in the longitudinal direction.

Abstract: A valve for controlling fluids, which has a plurality of components that are disposed in succession in the axial direction of the valve. On at least one of the components, a male thread is embodied in order to enter into engagement with a female thread of a lock nut. The lock nut serves to brace the components of the valve. A sealing element is disposed between the female thread of the lock nut and the male thread of the component.

Abstract: A piezoelectric actuator module having at least one piezoelectric component, one actuator foot, and one actuator head is surrounded by an axially extending bush. For sealing the piezoelectric actuator module in the axial direction, the actuator foot is adjoined by a diaphragm, which extends essentially in the radial direction, is joined to the bush, and has a cross section with various radii of curvature.

Abstract: The present invention relates to a valve for controlling fluids, which has a plurality of components (2, 3, 4, 5) that are disposed in succession in the axial direction (X-X) of the valve. On at least one of the components, a male thread (9) is embodied in order to enter into engagement with a female thread of a lock nut (6). The lock nut (6) serves to brace the components of the valve. A sealing element (8, 11, 17) is disposed between the female thread (10) of the lock nut (6) and the male thread (9) of the component (2).