Abstract: A traction drive of an internal combustion engine and a method for operating same. In two drive planes the traction drive includes an auxiliary drive (1) and a starter (7) and enables, in addition to a normal operating mode, the following operating modes: starting of the internal combustion engine, boosting of the internal combustion engine, auxiliary air conditioning and decoupling of the auxiliary drive (1).

Abstract: A tensioning device (2) is provided for a starter generator drive belt of an internal combustion engine and a starter generator (1) equipped with such a tensioning device. It includes a tensioning housing (8, 8a, 8b) with two belt pulleys (6, 7) and a bearing support (9) fastened at the machine housing (3) of the starter generator, on which the tensioning housing is pivotally supported via a friction bearing.

Abstract: A tensioning device (2) for a starter generator belt drive of an internal combustion engine and a starter generator (1) with such a tensioning device. The tensioning device is to be supported on the machine housing (3, 3?) of the starter generator by a slide bearing.

Abstract: Catalyst system comprising a. a procatalyst composition comprising a transition metal compound, a metal compound and an internal donor, and b. an external donor being an diethoxy-substituted silane, wherein c. said internal donor being chemically different to said external donor.

Abstract: A hydraulic unit (5) for a cylinder head (2) of an internal combustion engine with a hydraulic, variable valve train (1) is provided. In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and also a low-pressure chamber (16) used as a hydraulic medium reservoir are formed. The low-pressure chamber communicates merely via a choke opening (17) with the medium-pressure chamber, wherein the choke opening passes through a separating wall (18) extending between the low-pressure chamber and the medium-pressure chamber.

Abstract: A device for hydraulic control of gas exchange valves of a reciprocating internal combustion engine which has slave cylinders in operative connection with one or more gas exchange valves and master actuators in operative connection with at least one cam provided with a basic and cam profile of a camshaft that is rotatably driven by the engine and can be hydraulically connected to the slave cylinders. The device also has a control device controlled by an actuating member, the device controlling the volume of hydraulic liquid fed to the slave cylinders, and at least one feed line, via which low pressure liquid from a pressure source can be fed to the device by means of at least one non-return valve. The actuators have displaceable vanes, a component carrying the vanes, and cells limited by walls. The vanes are in operative connection with the basic and cam profile of the cam.

Abstract: Valve controller for reciprocating piston internal combustion engines with at least two intake and/or exhaust gas-exchange valves for each piston/cylinder unit, wherein the gas-exchange valves are guided by valve stems in a cylinder head (8) of the reciprocating piston internal combustion engine, loaded in a closing direction by valve springs, and can be controlled via a common bridge (10) by an activation device, wherein the bridge (10) is guided over a sliding surface parallel to the movement of the gas-exchange valves, the bridge (10) has at least one hydraulic valve clearance compensation element (14 or 15) that connects to a gas-exchange valve, and a device is provided that prevents rotation of the bridge (10) about the sliding surface.

Abstract: Catalyst system comprising (a) a procatalyst composition comprising (i) a transition metal compound of Group 4 to 6 of the Periodic table (IUPAC, Nomenclature of Inorganic Chemistry, 1989), (i) M9Cl2 and (ii) an internal donor, wherein (iii) said internal donor comprises a dialkylphthalate of formula (ii) wherein R1 and R2 are independently a C1 or C2 alkyl and (b) an external donor wherein the external donor has the formula (IV) R?R?Si(OCH2CH3)2 (IV) wherein R? and R? are identical or different hydrocarbon residues.

Abstract: A device for hydraulic control of gas exchange valves of a reciprocating internal combustion engine which has slave cylinders, in operative connection with one or more gas exchange valves and, master actuators, in operative connection with at least one cam provided with a basic and cam profile of a camshaft that is rotatatly driven by the engine and can be hydraulically connected to the slave cylinders. The device also has a control device controlled by an actuating member, the device controlling the volume of hydraulic liquid fed to the slave cylinders, and at least one feed line, via which low pressure liquid from a pressure source can be fed to the device by means of at least one non-return valve. The actuators have displaceable vanes, a component carrying the vanes, and cells limited by walls. The vanes are in operative connection with the basic and cam profile of the cam.

Abstract: A hydraulic unit (5) for a cylinder head (2) of an internal combustion engine with a hydraulic, variable valve train (1) is provided. In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and also a low-pressure chamber (16) used as a hydraulic medium reservoir are formed. The low-pressure chamber communicates merely via a choke opening (17) with the medium-pressure chamber, wherein the choke opening passes through a separating wall (18) extending between the low-pressure chamber and the medium-pressure chamber.

Abstract: Valve controller for reciprocating piston internal combustion engines with at least two intake and/or exhaust gas-exchange valves for each piston/cylinder unit, wherein the gas-exchange valves are guided by valve stems in a cylinder head (8) of the reciprocating piston internal combustion engine, loaded in a closing direction by valve springs, and can be controlled via a common bridge (10) by an activation device, wherein the bridge (10) is guided over a sliding surface parallel to the movement of the gas-exchange valves, the bridge (10) has at least one hydraulic valve clearance compensation element (14 or 15) that connects to a gas-exchange valve, and a device is provided that prevents rotation of the bridge (10) about the sliding surface.

Abstract: A laundry article is drawn by a tensioning conveyor with a tensioning gripper which has gripped said laundry article at a corner in a tensioning direction over a narrowing channel, the base of which is convex in the tensioning direction. Optical sensors arranged on the channel detect the rear end of the laundry article, which is then gripped by a clamping unit at the end thereof. A detectable edge which slides along a guide plate is aligned so that it is detected by a sensor on a first edge gripper which is then moved downwards along an approximately perpendicularly aligned pivot arm until the sensor detects the corner at the lower end of the edge. Subsequently, the pivot arm is swiveled to a horizontal transfer position, and the laundry article with the detected edge is placed on a removal conveyor, an impact edge being advanced.

Abstract: A laundry article is drawn over a support surface by a positioning gripper and is set down there so that the rearmost tip comes to rest on an edge plate and the remainder on a transverse conveyor which moves the laundry article to a corner gripping apparatus. The latter is then moved to the edge plate, optical sensors located above said edge plate registering edge points of the laundry article. The position of the corner is determined whereupon the corner gripping apparatus approaches the tip determined and a corner gripper is advanced from the gripping edge so that a lower jaw thereof grips under the edge plate. An upper jaw is then lowered onto the corner of the laundry article. The corner gripper is then withdrawn so that the corner is clamped between the upper jaw and the lower jaw of the corner gripper.

Abstract: For aligning and gripping an edge (72) of a laundry article (70), the latter is drawn by a tensioning conveyor (34) with a tensioning gripper (35) which has gripped said laundry article at a corner (71) in a tensioning direction over a narrowing channel (43), the base (44) of which is convex in the tensioning direction. Optical sensors arranged on the channel (43) detect the rear end of the laundry article (70), which is then gripped by a clamping unit at the end thereof. By lowering the channel (43), a detectable edge (72) which slides along a guide plate (55) is aligned so that it is detected by a sensor (58) on a first edge gripper (56) which is then moved downwards along an approximately perpendicularly aligned pivot arm (53) until the sensor (58) detects the corner (73) at the lower end of the edge (72).

Abstract: For automatic gripping of a corner (71) of a laundry article (70) the latter is drawn over a support surface by a positioning gripper and is set down there so that the rearmost tip comes to rest on an edge plate (17) and the remainder on a transverse conveyor (16) which moves the laundry article (70) transversely to a corner gripping apparatus (12). The latter is then moved transversely to the edge plate (17), optical sensors (32) located above said edge plate registering edge points of the laundry article (70). For determining the position of the corner (71), interpolation is then effected between those registered edge points which are closest to a front gripping edge (27) of the edge plate (17) whereupon the corner gripping apparatus (12) approaches the tip determined and a corner gripper (24) is advanced from the gripping edge (27) so that a lower jaw (25) thereof grips under the edge plate (17). An upper jaw is then lowered onto the corner (71) of the laundry article (70).

Abstract: A hydraulically actuated, preferably variable, valve drive of an internal-combustion engine is provided, with a slave unit (15), which is embodied as a separate component relative to a master unit. A special characteristic is that the slave unit is provided with a hydraulic backlash compensation element (9), which is connected to a path (12) for feeding hydraulic medium only outside of a stroke phase of a slave piston (5). As a result, on one hand an easy-to-produce valve drive with slave unit (15) is provided. On the other hand, unnecessary “pumping up” of the backlash compensation element (9) during the stroke phases of the slave piston (5) is prevented by the previously mentioned admission of hydraulic medium.

Abstract: The invention proposes a finger lever (1) of a valve train of an internal combustion engine, said finger lever (1) being switchable to different valve lifts for at least one gas exchange valve and comprising an outer lever (2) having two arms (3a, 3b) between which an inner lever (4) is arranged for pivoting relative to the outer lever (2), which outer and inner levers (2, 4) can be coupled to each other by a coupling means (15), the outer lever (2) comprising on one closed end (5), a support (5a) for a gas exchange valve and the finger lever (1) comprising on an opposite end (6), a complementary surface (7, 30) for a support element, the inner lever (4) having a fulcrum (10) in a region of the opposite end (6), and at least this inner lever (4) comprising a contact surface (11) for a cam.

Abstract: A first belt conveyor (5) and a second belt conveyor (8) form a first transverse folding station (4) having a folding channel (16) formed between folding sides (14; 15) of the belt conveyors (5; 8). If a fault occurs in said folding channel by virtue of the fact that a piece of linen (39) bunches together into a coil and cannot be transported further, this is detected by means of a delivery sensor (38), the belt conveyors (5, 8) are stopped and the second belt conveyor (8) is pivoted outwards about a pivot axle (12) so that the width of the folding channel (16) at its upper end can be increased to at least 80 mm and the piece of linen can be readily removed. Arranged below the folding channel (16) is a third belt conveyor (23) having a folding section (29) which slopes sharply downwards for receiving a piece of linen and belongs to an upper support side (28) which can be pivoted upwards before a second fold carried out with reversal of the direction of movement of the third belt conveyor (23).

Abstract: The invention proposes a finger lever (1) of a valve train of an internal combustion engine, said finger lever (1) being switchable to different valve lifts for at least one gas exchange valve and comprising an outer lever (2) having two arms (3a, 3b) between which an inner lever (4) is arranged for pivoting relative to the outer lever (2), which outer and inner levers (2, 4) can be coupled to each other by a coupling means (15), the outer lever (2) comprising on one closed end (5), a support (5a) for a gas exchange valve and the finger lever (1) comprising on an opposite end (6), a complementary surface (7, 30) for a support element, the inner lever (4) having a fulcrum (10) in a region of the opposite end (6), and at least this inner lever (4) comprising a contact surface (11) for a cam.

Abstract: A hydraulically actuated, preferably variable, valve drive of an internal-combustion engine is provided, with a slave unit (15), which is embodied as a separate component relative to a master unit. A special characteristic is that the slave unit is provided with a hydraulic backlash compensation element (9), which is connected to a path (12) for feeding hydraulic medium only outside of a stroke phase of a slave piston (5). As a result, on one hand an easy-to-produce valve drive with slave unit (15) is provided. On the other hand, unnecessary “pumping up” of the backlash compensation element (9) during the stroke phases of the slave piston (5) is prevented by the previously mentioned admission of hydraulic medium.