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 fuel injection pump unit consists of a fuel injection pump (1), in which a quantity-determining member (6) is set by an actuator (13), its position being detected by a position sensor (15), and of a control unit (2) which calculates an injection quantity (M) and from that, using a stored ignition characteristic (33), determines a set value (.beta..sub.set) for the quantity-determining member (6). To provide a simple and precise calibration of the pump unit with minimal complexity, there are two adjustable stop faces (21, 22) which delimit the travel of the quantity-determining member (6) and in each case define a position of the quantity-determining member (.beta..sub.1, .beta..sub.2) commensurate with a certain measured injection quantity (M.sub.1, M.sub.2), in each case at a certain distance (k.sub.1, k.sub.

Abstract: A longitudinal housing wall for an internal combustion engine is formed with an elongate channel defined by two confronting parallel surfaces. A rod extends in said channel over at least two-thirds of the length of said channel and is coupled to said wall so as to be resiliently movable relative to said wall and capable of absorbing energy of flexural vibration at a predetermined frequency from said wall.

Abstract: A method of adjusting a plurality of fuel injection units associated with respective cylinders of a multi-cylinder diesel engine having a crankshaft operatively connected to all said cylinders is provided. Each of said fuel injection units comprises a fuel injection nozzle, a fuel injection pump connected to said nozzle and operable to discharge fuel therethrough, drive means for driving said pump, a housing accommodating said nozzle, said pump and said drive means, a capacity control element for controlling the capacity of said pump, and a timing control element for controlling the time at which said pump begins to discharge fuel through said nozzle.

Abstract: A fuel injection nozzle for air-compressing, self-igniting reciprocating internal combustion engines, particularly for such engines arranged for a direct injection of fuel, comprises an axially slidable and axially guided, spring-biased valve needle for closing the nozzle orifices in the nozzle tip. Fuel is supplied to an annular chamber through a transverse bore and an axial bore of the valve needle to a plenum chamber, which is defined by the valve seat cooperating with the valve needle. Between the plenum chamber and the means for guiding the valve needle, the outside peripheral surface of the latter is surrounded by a clearance space, which is adapted to be flushed with fuel.

Abstract: A reciprocating-piston drive mechanism comprises a reciprocating-piston assembly defining a spherical socket and including a piston body. A connecting rod is arranged for pivoting movement in a plane and has a ball head fitted in the spherical socket. A coupling between the ball head and the piston assembly is arranged to transform the pivoting movement of the connecting rod and ball head into a reciprocating rotation of the piston body about its axis. The coupling includes a first coupling member attached to, and non-rotatable relative to, the piston body, and a second coupling member attached to, and carried by, the ball head, the second coupling member engaging the first coupling member.

Abstract: A method of, and apparatus for, adjusting the contact pressure of a rolling mill for rolling a web of material, the rolling mill comprising at least one controlled deflection roll equipped with a plurality of hydrostatic pressure elements operable by means of a hydraulic pressure medium. After the web of material has passed through the rolling mill the action of such rolling mill upon the web of material is measured at a number of points or locations across the web and the pressure of the pressure medium supplied to the individual pressure elements associated with the measuring points or locations is adjusted as a function of the measured values such that there is obtained a desired reference value for the action of the rolling mill at the measuring points or locations.

Abstract: Rolls of a rolling mill have hydraulic pressure exerted on the exterior surfaces thereof by hydrostatic pressure devices which produce hydraulic pressure in the gaps between bearing surfaces of the devices and the roll, and a flow of the hydraulic fluid in the gaps to cool the rolls. The pressure may be applied to press the rolls together, and also to provide lateral support. Different pressures may be applied to devices spaced parallel to the roll axis. Quadrilateral and overlapping rhomboidal bearing surfaces may be employed. A pair of small diameter working rolls may be pressed together by larger diameter pressure rolls and lateral support provided for the working rolls.

Abstract: A flexure compensating roll includes a stationary core, a hollow cylindrical roll shell rotatably mounted about the core, hydraulically actuated pistons received in radial bores of the core for support of the roll shell against a mating roll, and a rotary radial piston hydraulic motor coupled between the core and roll shell for delivery of torque to the roll shell.