Abstract: The door of a motor vehicle includes a body and an internal support system. In order to be stiff, light and inexpensive, the support system (8) consists of a double-sided highly rigid body in the form of a plate which is fixed to the inside of the body (1) of the door, and the inside (10) and outside (11) walls of the support system are made of fiber-reinforced plastic, whereby the ribs (30, 42) that run in a longitudinal direction in between them form spaces (31, 32). At least one of said spaces contains a compression-proof filling and the inside (10) and outside (11) walls are connected to each other along their contour (12, 14, 15). Accommodations (20) to receive fasteners are integrated therein to allow the support system (8) to be connected to the sheet-metal shell module (1).

Abstract: A tire inflating system has the tire inflating source connected through the hub to the wheel by a pair of aligned axial holes in the hub and wheel. A movable tube piece in the axial hole in the wheel is formed with side openings and is engaged by a sealing ring in the axial hole in the wheel which also receives a seal pressed by a spring toward a mouth of that hole. The tube piece can hold the seal in an open position until the wheel is separated from the hub.

Abstract: A speed-difference-dependent hydraulic, consisting of a stationary rotating gear housing (27) with a housing (25) which forms a reservoir for operating fluid, a hydrostatic displacement machine (35), a drive shaft (30), a friction coupling (36) and a piston (5) to have an impact on the friction coupling (36), by which pressure is created in a pressure chamber (4) when there is a differential speed between the gear housing (27) and the drive shaft (30). In order to achieve quick regulation and adaptation of the characteristics, a first and second opening (9, 10) are connected by means of a first and second rotating insertion (13, 14), and a first and second regulating control valve (15, 16) are connected with the reservoir (8), by which the first and the second control valves (15, 16) are formed as regulating throttle valves, so that independent of the direction of the differential speed, it can be controlled on the respective supply side as well as on the discharge side of the displacement machine.

Abstract: The invention relates to a speed difference dependent hydraulic coupling, consisting of rotating drive casing (2), a hydrostatic displacement machine (7) disposed therein, an output shaft (3) and a friction coupling (6) for connecting the output shaft (3) to the drive casing (2), wherein pressure is built up in a pressure chamber (26; 85) when a different speed emerges between the drive casing and the output shaft, said pressure impinging upon the friction clutch (6). In order to more accurately compensate for temperature-dependent fluctuations in viscosity, a throttle valve (33) is provided that is formed by a valve body (48) guided in a valve chamber (4) and supported on an element whose length (47) depends upon the temperature, said body having a control edge (51) cooperating with a control port (55) of the valve chamber (40), wherein the control port (55) produces the connection between the pressure chamber (26; 85) and the chamber with the lower pressure.

Abstract: An front wall of an armored vehicle is formed with a large-diameter hole and has a tow hitch in turn having a generally cup-shaped reinforcement plate having an outer periphery engaging an inner face of the front wall around the hole. This plate is forwardly concave toward the hole and the outer periphery is welded to the inner face of the wall by a weld. A tow-eye bar fixed to the center of the reinforcement plate extends forward through the hole. The hole and plate are circular and the plate is of greater diameter than the hole.

Abstract: A mounting for a wheel-revolution sensor in the wheel support of a motor vehicle for scanning a revolving pole ring on a wheel comprises an insert which passes through a bore in the wheel support which receives the sensor in an ideal position with respect to the pole ring.

Abstract: A power-split gear consists of an adjustable hydrostatic unit (5), of a five-shaft summing gear (9) with a first, second and third output shaft, and of a range gear.

Abstract: A drive unit for driving the second driven axle of an all-wheel drive vehicle with a hydraulic coupling dependent on rotational-speed differences, comprising a driven case and two half shafts, which can each be connected to the latter by a friction clutch, the friction clutches being operatively connected to a hydraulic positive displacement machine that operates when a rotational-speed difference occurs between the case and the half shaft.

Abstract: A pistol, comprising a housing which contains a trigger device and a slide which slides on this housing and contains a barrel and a breech, in which case the breech is provided with a firing bolt which can be driven by a mainspring. In order to provide entirely safe protection against access, the breech has a hole which runs transversely with respect to the firing direction, in which hole a locking bolt can be moved and can be rotated, which locking bolt has a head which is accessible from the outside and, in the locked position, projects into the movement path of the firing bolt. To this end, the head of the locking bolt has at least one tab on its external circumference, and the breech has at least one recess on the internal circumference of the hole, which recess holds the tab when the locking bolt is in the open position.

Abstract: A unit fuel injector of the type with an open injector comprises an injector body (1) with an axial space (4), which ends in an injector cap (3), an injection plunger (15) guided in the axial space and serving as a closing-off element, which injection plunger forms in the axial space a pressure space (23) from which the injection bores (60, 61) of an upper row (60) and a lower row (61) extend.

Abstract: A two-stage power-split gear unit for automobiles consists of an input shaft (2), of a planetary gear unit as an off-road gear stage, of a differential gear unit, of a first output shaft (13) and of a second output shaft (15) which is connected to an offset output (19), the input shaft (2) being capable of being coupled selectively to the sun wheel (5) and to the planet carrier (7) of the planetary gear unit, the planet wheels (8) of which roll in a ring gear (9) fixed in space, and the differential gear unit having compensating wheels (11) and first and second output wheels (14, 16) driven by these and in each case located on the first and the second output shafts (13, 15).

Abstract: A hydraulic clutch which is dependent on rotation speed difference comprises a rotating housing (1), a hydrostatic displacement machine (2) arranged in this housing (1), a shaft (4), a friction clutch (3) for connecting the shaft (4) to the housing (1), and a piston (26). In order to limit the torque in a very simple manner without any disturbing centrifugal force influences, and in order to cool the friction clutch, the compression chamber (24) is connected via a constriction point (27) to the interior (28) of the friction clutch (3), and the constriction point is designed as a pressure-limiting valve. This is formed by a plate spring (30) in the wall (29) of the piston (26).

Abstract: A hydraulic coupling for use in the drivetrain of an automotive vehicle and responsive to differences in rotation between a rotatively driven casing journaled in a rotary insert in a fixed housing and a rotatively driven member is provided with a friction clutch actuated by a piston responding to fluid pressure generated in a pressure chamber by a pump in response to differences in rotation, the pressure being controllable by a proportional valve mounted on the housing and connected to the pressure chamber by a conduit extending through the rotary insert. The proportional valve may be controlled by signals representative of vehicular operational conditions and ensures quick and complete disengagement of the clutch.

Abstract: A rifle has a barrel which is mounted detachably in the housing in that pairs of clamping rings (11, 12) are provided between the rear part of the barrel (5) and the inner cylindrical surface (3) of the housing (1), which clamping rings (11, 12) have mutually facing conical surfaces and are pressed axially by a clamping nut (13) against a collar (7) on the barrel (5). Such a barrel mounting can also be used for a housing made of light alloy, with simple production and with production-dependent tolerances and alignment errors being eliminated.

Abstract: A wheel carrier for the steered wheel of a motor vehicle with a tire-inflating system, the wheel carrier comprising a shield with an eye at the top and bottom for receiving a kingpin, an axle tube which supports wheel bearings, a wheel hub supported on the wheel bearings, a steering arm, an air duct leading through the wheel carrier into a chamber formed between the axle tube and wheel hub, the chamber being sealed off on both sides, wherein the steering arm is flanged to a sprue with a fitting surface, wherein an air chamber is formed in the fitting surface, and is connected to the chamber by an air duct and is further connected to a tube communicating to the outside of the sprue.

Abstract: A power transmission unit having an input section and an output section and a hydraulic clutch which depends on the rotational speed difference, in which unit a hydrostatic displacement machine (20) generates a pressure on the occurrence of a rotational speed difference between the input section (1; 6) and the output section (6; 1), which pressure causes a reduction in the rotational speed difference. The displacement machine consists of parts (21, 22) respectively drive-connected to the input section and the output section and one of the sections (1; 6) forms a housing (4) containing the displacement machine, the displacement machine drawing in working fluid from a suction space.

Abstract: A cooling apparatus for the internal combustion engine of a motor vehicle includes a cooling-air fan (10), a radiator assembly (2) and a fan shroud (18) which extends from a fan ring (9), enclosing the cooling-air fan, as far as the radiator assembly. In order, with given dimensioning of the radiator assembly (2) and cooling-air fan (10), to increase the cooling capacity, the fan shroud (18) forms, in the part (12) which projects laterally beyond the projection of the cooling-air fan (10), a vertical flow duct (23) and, in the part (11) which projects beyond the radiator assembly (2), a collecting chamber (22) which is in flow connection with the vertical flow duct (23).

Abstract: A repeating rifle having a bolt action comprises a breech housing (1), a breech body (3) which can be moved and can be rotated in this breech housing (1) and has a movable plug (4) and a firing pin (6) which is loaded by a firing pin spring (7) and has a cocking piece (8), in which case the breech body (3) has in its interior a cocking guide which interacts with the cocking piece (8). In order to achieve maximum safety and maximum operating convenience with as little physical complexity as possible, a cocking cam bush (33) is guided such that it can be moved in the longitudinal direction in the breech body (3) as the cocking guide, on which cocking cam bush the firing pin spring (7) is supported, and the plug (4) has a guide sleeve (36) which interacts with the cocking cam bush (33).

Abstract: A method for controlling a vehicle drive unit, which comprises a drive engine and a transmission with a continuously variable gear ratio, comprises the following steps: a) the required vehicle acceleration (ASOLL) is calculated from a throttle control lever position (XFP, XHG) and the current speed of travel (VFZ), b) a required transmission variation (IGDSOLL1) is calculated from the required vehicle acceleration (ASOLL) and the current rotation speed (NMOT) of the drive engine, c) a limited required transmission variation (IGDSOLL) is determined from the required transmission variation (IGDSOLL1) such that the engine rotation speed (NMOT) does not fall below a value which depends on the position of the power control element (XEP) of the drive engine, d) the continuously variable transmission is varied in accordance with (IGDSOLL); e) the actuation parameter (XEPSOLL) for the power control element of the drive engine is obtained directly from the throttle control lever position (XFP, XHG).

Abstract: In a container for belted ammunition, this ammunition forms loops between intermediate walls, thus ensuring that the ammunition can easily be drawn out, that the belted ammunition is supported vertically on the base, and a wall has a vertical aligned outlet opening for the belted ammunition, and that the base has a low-friction plastic covering.