Abstract: The present invention relates to a pre-mounted exchange insert of a drill wash device for connecting a stationary washpipe to a rotating washpipe of a drill hole, the exchange insert comprising a mechanical seal assembly (2) with a stationary seal ring (20) and a rotating seal ring (21), a first seal ring carrier (3) on which the stationary seal ring (20) is arranged, a second seal ring carrier (4) on which the rotating seal ring (21) is arranged, a connection component (5) which is configured to connect the exchange insert to the stationary washpipe, and an adjusting mechanism (6) operative in axial direction (X-X) with a screw connection (60) for changing an axial length (L1, L2) of the exchange insert, wherein the screw connection (60) is connected to the second seal ring carrier (4) to permit, in axial direction (X-X), an adjustment of the second seal ring carrier (4), the mechanical seal assembly (2), and the first seal ring carrier (3) relative to the connection component (5).

Abstract: A holder for attachment of a component, in particular a fuel distributor, to an internal combustion engine includes: at least one decoupling element, an attachment body, an attachment element, and a holding element. The attachment body is attached to the internal combustion engine by way of the attachment element. The holding element is attached to the attachment body via the decoupling element. The decoupling element is shaped in such a way that in at least one spatial direction, a nonlinear spring characteristic curve, which describes a correlation of a return force acting on the holding element with a deflection of the holding element relative to the attachment body, is predefined.

Abstract: The present invention relates to a drill wash device (100), the drill wash device comprising a stationary washpipe (102), a rotating washpipe (103), a pre-mounted, replaceable exchange insert (1) for connecting the stationary washpipe (102) to the rotating washpipe (103), the exchange insert (1) comprising a mechanical seal assembly with a stationary seal ring (20) and a rotating seal ring (21), and a first adapter (108) which is arranged between the stationary washpipe (102) and the exchange insert (1), wherein the first adapter (108) comprises a first adjusting mechanism (116) operative in axial direction for changing an axial length of the first adapter (108), and wherein the exchange insert (1) comprises a second adjusting mechanism (6) operative in axial direction for changing an axial length of the exchange insert (1).

Abstract: A seal ring for a mechanical seal, comprising a base body, a first layer applied to a first face side of a base body, and a second layer applied to a second face side of the base body. At least one of the layers is configured as a slide surface of the seal ring.

Abstract: A connecting device for fuel injection systems is used for joining a fuel injector to a cup and to a fuel-conveying component. In this context, connecting elements are provided, which are insertable into the cup in such a manner, that they are situated at least approximately in one plane, which is oriented perpendicularly to a longitudinal axis of a cup. Connecting elements take the form of pin-shaped connecting elements. In addition, the connecting elements are formed in such a manner, that they are inserted into the cup, inside an outer cross-section of the cup. A securing element is also provided for securing the connecting elements. Furthermore, a fuel injection system having such a connecting device is provided.

Abstract: A slide ring seal has a slide ring, supported such that the slide ring is axially movable, and a counter ring. The slide ring and the counter ring have respective sealing surfaces contacting one another. The slide ring sealing surface faces the counter ring sealing surface. The slide ring is pressed against the counter ring by a bellows-like spring element. The slide ring seal may be designed so the slide ring seal has an especially flexible slide ring and/or counter ring after economical and trouble-free production, the slide ring seal has at least one sealing surface with elevations or unevenness of a magnitude from 0.1 ?m to W mm, W conforms to the formula W=0.03 Dm/s, wherein the average diameter Dm is the average of the circular-ring-shaped sealing surface's outside (Da) and inside (Di) diameter, and s is the slide ring or counter ring thickness.

Abstract: A holder (3) serves for fastening a component (2), in particular a fuel distributor (2), onto an internal combustion engine (16). A holding element (9) that has a component-side connecting segment (10) is provided. The holding element (9) is connectable at the component-side connecting segment (10) to the component (2). The holding element (9) furthermore has a fastening-means-side connecting segment (11) at which the holding element (9) is fastenable via a fastening means (15) onto the internal combustion engine (16). A receiving part (12) and a fastening sleeve (13) are provided. The receiving part (12) serves to connect the fastening sleeve (13) to the fastening-means-side connecting segment (11) of the holding element (9). The fastening sleeve (13) has a through opening (39) through which the fastening means (15) is guidable. An assemblage (1) having such a holder (3) is also described. A connecting method is furthermore described.

Abstract: A holder is used for fastening a component, in particular a fuel distributor, to an internal combustion engine. The holder has at least one connection element, which includes a locating area. In the installed state, in which the connection element rests against an outer side of the component via its locating area, the locating area of the connection element extends across an angle greater than 180 degrees in relation to a longitudinal axis of the component. Furthermore, in the installed state, in which the connection element is resting via its locating area against the outer side of the component, the locating area has the form of a cylinder jacket. In addition, a system having a component and such a holder is provided.

Abstract: A tubular pressure accumulator which is used, in particular, as a fuel distribution rail for a mixture-compressing, spark-ignited internal combustion engine includes a tubularly bent metal wall. In this way, longitudinal sides, which are assigned to one another, of tubularly bent metal wall are connected to one another through a weld. Furthermore, the tubularly bent metal wall has at least one design feature implemented by the machining of the flat metal wall and the bending of metal wall, which take place prior to the welding.

Abstract: A slide ring seal has a slide ring, supported such that the slide ring is axially movable, and a counter ring. The slide ring and the counter ring have respective sealing surfaces contacting one another. The slide ring sealing surface faces the counter ring sealing surface. The slide ring is pressed against the counter ring by a bellows-like spring element. The slide ring seal may be designed so the slide ring seal has an especially flexible slide ring and/or counter ring after economical and trouble-free production, the slide ring seal has at least one sealing surface with elevations or unevenness of a magnitude from 0.1 ?m to W mm, W conforms to the formula W=0.03 Dm/s, wherein the average diameter Dm is the average of the circular-ring-shaped sealing surface's outside (Da) and inside (Di) diameter, and s is the slide ring or counter ring thickness.

Abstract: A holder for attachment of a component, in particular a fuel distributor, to an internal combustion engine includes: at least one decoupling element, an attachment body, an attachment element, and a holding element. The attachment body is attached to the internal combustion engine by way of the attachment element. The holding element is attached to the attachment body via the decoupling element. The decoupling element is shaped in such a way that in at least one spatial direction, a nonlinear spring characteristic curve, which describes a correlation of a return force acting on the holding element with a deflection of the holding element relative to the attachment body, is predefined.

Abstract: A retainer for fastening a component, especially a fuel distributor, via a holding element to an internal combustion engine includes: decoupling elements, a fastening body and a fastening element. The fastening body is fastened to the internal combustion engine with the aid of the fastening element. In addition, the holding element is fastened to the fastening body via the decoupling elements. Moreover, a preloading element is provided that is joined to the fastening body, preloading of the decoupling elements being set by way of a predefined position of the preloading element relative to the fastening body in which the preloading element is joined to the fastening body.

Abstract: A slide ring seal has a slide ring, mounted in an axially movable manner, and a counterpart ring, wherein the slide ring and the counterpart ring each have sealing surfaces which bear against one another, wherein the sealing surface of the slide ring is situated opposite the sealing surface of the counterpart ring, and wherein the slide ring is pressed against the counterpart ring by a spring, wherein, with regard to refining and developing a slide ring seal of this type such that, while being inexpensive and easy to manufacture and having a construction involving a particularly small number of components, it seals off two chambers in a reliable and permanent manner, and the counterpart ring is formed in one piece with an axial projection which can be assigned to a shaft in order to fix the counterpart ring on the shaft.

Abstract: The invention refers to a mechanical seal arrangement, comprising: a rotatable seal ring (2), a stationary seal ring (3) and a secondary seal device (5), said secondary seal device (5) being made in one piece and comprising a secondary seal (51) and a ring element (52) of different materials, and the ring element (52) being arranged on the secondary seal (51) on a side directed to the stationary seal ring (3).

Abstract: A holder for fastening at least one component, particularly a fuel distributor, to an internal combustion engine. The holder includes an elastically deformable damping element, a holder body and a spring element, which are situated lying one behind the other with reference to an axis. In response to an assembly using the fastening arrangement, a prestressing of the spring element and a prestressing of the damping element are made possible. Furthermore, a fuel injection system is described having a fuel distributor and such a holder, which is used for fastening the fuel distributor on an internal combustion engine.

Abstract: An exhaust-gas aftertreatment device is provided, comprising a control unit for controlling a diaphragm pump that draws a urea/water solution out of a circuit and pumps it, via a pressure filter, to a metering unit comprising an atomizing nozzle for atomizing the urea/water solution into an exhaust-gas stream. The metering unit may also comprise a metering valve, including an atomizing nozzle, a pressure and temperature sensor, a heating means and a return baffle.

Abstract: The present invention refers to a seal ring for a mechanical seal, comprising a base body (2), a first layer (3) applied to a first face side (2a) of a base body (2), and a second layer (4) applied to a second face side (2b) of the base body (2), wherein at least one of the layers (3) is configured as a slide surface of the seal ring. Furthermore, the present invention refers to a method for producing such a seal ring.

Abstract: The invention relates to a modular automated tool dispenser comprising at least one tool delivery module with at least one tool compartment containing a plurality of tools that are combined to form tool classes and with a plurality of tool conveying devices, each device being associated with one of the tool classes and conveying tools of one class to a tool delivery point. Each tool class is defined by the tool type, tool size and/or the tool weight as a tool parameter. The dispenser also comprises a tool selection device for selecting the desired tool class and the number of tools to be delivered and for activating the tool conveying device that is associated with the selected tool class.

Abstract: A mechanical face seal including a primary ring which is axially movably mounted, and a mating ring (3, 3?, 3?), wherein the primary ring and a mating ring each comprise adjoining sealing surfaces. The primary ring is pressed by a spring against the mating ring. The spring has a bellows-like shape. The spring is made out of an elastomer. The mechanical face seal achieves a small installation space for a mechanical face seal.

Abstract: A tubular pressure accumulator which is used, in particular, as a fuel distribution rail for a mixture-compressing, spark-ignited internal combustion engine includes a tubularly bent metal wall. In this way, longitudinal sides, which are assigned to one another, of tubularly bent metal wall are connected to one another through a weld. Furthermore, the tubularly bent metal wall has at least one design feature implemented by the machining of the flat metal wall and the bending of metal wall, which take place prior to the welding.