Abstract: In order to configure, in such a way as to be capable of being employed in a simple and secure manner and produced cost-effectively, a surgical connecting element for fixing adjacently arranged bone plates, comprising a first bearing element, a second bearing element and a coupling element, by means of which the first and second bearing element can be coupled to each other in such a way that bone plates lying between the first and second bearing element can be fixed, it is proposed that the second bearing element and the coupling element be so designed and adapted to each other that, by relative movement between the coupling element and the second bearing element transversely to a clamping direction, the bone plates are fixable between the first and the second bearing element.

Abstract: The invention relates to a head clamping device (1) comprising a frame composed of two elements (2,3) exhibiting each first ends (7) flexibly connected to each other and second ends (5) with spikes (13,19) for fixing the head. The aim of the invention is to increase the mechanical stability of such a device. For that purpose, the frame elements (2,3) are mounted in such a way that they can rotate relatively to each other around a common rotation axis (4).

Abstract: An apparatus is described for catching and cooling a melt, in particular a core melt in a containment of a nuclear power plant. A porous body with which the melt comes into contact is provided. A pre-pressurized coolant is fed to the porous body so that the cavities in the porous body are filled with the coolant. After contact between the melt and the porous body, the pre-pressurized coolant penetrates into the melt and as a result leads to fragmentation, solidification and long-term cooling.

Abstract: To design as simply as possible an implant for fixing a bone plate in an opening of a bone plate and to avoid use of a complicated applicator, it is proposed that the implant be designed as a U-shaped clip, with a bridge and two contact arms protruding transversely from the bridge, the contact arms being capable of receiving a bone plate between them and thereby fixing the clip on the bone plate with the contact arms lying against the upper side and the lower side, respectively, of the bone plate, and with at least one projection on the outer side of the bridge facing away from the contact arms for fixing the clip on the other bone plate, so that a displacement of the clip relative to the other bone plate in the longitudinal direction of the bridge is prevented in at least one direction.

Abstract: The invention relates to a head clamping device (1) comprising a frame composed of two elements (2,3) exhibiting each first ends (7) flexibly connected to each other and second ends (5) with spikes (13,19) for fixing the head. The aim of the invention is to increase the mechanical stability of such a device. For that purpose, the frame elements (2,3) are mounted in such a way that they can rotate relatively to each other around a common rotation axis (4).

Abstract: The invention is based on a radial piston pump (1) with a pump body (2), in which pump body (2) are placed pistons (4), and cylinders (5) arrayed radial to a cam (14) and the pistons (4) upon an inward thrust suck in fluid by means of suction side intakes (17) and upon an outward thrust, the pistons (4) impel fluid through pressure openings (7) in the outer end walls (6) of the cylinder (5) into a plenum (10) whereby the check valves (22) are formed from an annular coil spring valve (9) which cover the pressure ports (7) and the thereto connected stress relieving corrugations (8), and upon the exceeding of a specified threshold transport pressure, the respective pressure opening (7) opens to the plenum (10). The proposal is made, that a stress relieving zone (27) of a piston-cylinder unit (4, 5) be connected to the pressure zone (5, 7, 26) of a neighboring piston-cylinder unit (4, 5).

Abstract: A method for the manufacture of a cylinder liner for combustion engines and a cylinder liner which can be manufactured by the method according to the invention are disclosed. The method comprises a thermal spray-deposition, such as by an arc spray-deposition process, of a wearing layer on a supporting body and a spray-deposition of a protective or connecting layer on the wearing layer. The wearing layer comprises a hypereutectic aluminum-silicon alloy and the protective or connecting layer comprises a hypoeutectic aluminum-silicon alloy. A melt retarder of iron, for example, may be interposed between these two layers. The melt retarder comprises a higher melting temperature than the two aluminum-silicon alloys, thereby preventing the wearing layer from partially melting when the cylinder liner is cast into a cylinder bore.

Abstract: There is disclosed a material wire for wear-resistant and trobologically favorable shaped bodies manufactured by the arc spraying method, which comprises a covering (12) and a filling (14). The covering (12) comprises an alloy based on aluminium with at least one further alloy component, for example magnesium or manganese. The filling (14) comprises further alloy components for the resulting alloy of the shaped body, for example silicon. The filling (14) may apart from the silicon also comprise further components, for example aluminium and/or boron. By way of this the composition and the material properties of the resulting alloy of the shaped body may be set.

Abstract: A brake for a flap adjusting mechanism and a method for condition monitoring are proposed. The brake has one or more temperature sensors (30). In the method for condition monitoring, the temperature signal is compared with a desired temperature (T1, T2) in the signal processing unit in a time period during or after a rotation of the driveshaft (2) in the housing (4) while expending the braking moment. An error signal is produced in case of deviations of the temperature signal from the desired temperature.

Abstract: A retaining device has a multi-layer protective cladding for protecting the bearing and containment structure of a spreading chamber for the controlled spread and cooling of a melt from a nuclear reactor pressure vessel. The spreading chamber is configured under the spreading concept, i.e. the melt spreads and cools therein. The protective cladding has at least two layers: an outer sacrificial layer acts as a thermal shock barrier and melting substance; a protective and insulating layer, disposed inside the sacrificial layer and protecting the underlying bearing and containment structure, acts as thermal protection layer and retaining layer for the hot melt. The protective and insulating layer includes a first partial layer of fireproof concrete adjacent the bearing and containment structure, and a second partial layer of temperature-resistant ceramic blocks, in particular ZrO2 adjacent the sacrificial layer.

Abstract: A cylinder liner for an internal-combustion engine includes a tubular liner wall having circumferentially spaced thickened wall portions.

Abstract: A device for transmitting linear motion for adjustment of a wing element (4) is provided with one input part (23) and one output part (26) wherein between the input part (23) and the output part (26) an uncoupling mechanism is provided which, above a preset force (release force) makes relative motion between the input part and the output part possible. One or more prestressed springs (42), which can absorb energy during relative motion, upon unloading, restores the input and output parts to an initial position. A translation mechanism converts the relative motion between the input part (23) and the output part (26). The converted motion acts upon the spring (42) whereby a force-path characteristic line of the device, corresponding to the translation mechanism, can be obtained. The translation mechanism consists of a crankshaft (52) with cam discs (50A, 50B) driven by a connecting rod (46) which act upon a piston (48) longitudinally movable within the housing (30) and prestressed by springs (42).

Abstract: A device for collecting core melt from a reactor pressure vessel improves a flow of the core melt out of the reactor pressure vessel. A prechamber is disposed below the reactor pressure vessel and a spreading chamber for the core melt is disposed laterally next to the reactor pressure vessel. The spreading chamber is connected to the prechamber through a channel. A base unit forms a bottom region at least of the prechamber and is made of a material having high thermal conductivity.

Abstract: A linear drive for displacing a component, in particular an aircraft wing component, is provided with an input part (1) on the driving side and an output part (4) on the driven side, there being provided between input part (1) and output part (4) an uncoupling device which interrupts a force-locking or a form-locking connection between input part (1) and output part (4) when a predetermined force is exceeded. The input part (1) comprises a freewheel outer part (2) which is connected to the output part (4) via a freewheel inner part (3). Disposed between the freewheel outer part (2) and the freewheel inner part (3) is a tubular freewheel cage (5) with a plurality of pockets (6) which house clamping members (7A, 7B) prestressed by control springs (8) so that they can move in an axial direction. The pockets (6) are provided with inclined ramps (9A, 9B) extending in an axial direction. Spring assembly (10), generating an axial prestress, is disposed between the freewheel inner part (3) and the output part (4).

Abstract: A device designed for generating a laser beam having a homogenized cross section has the following features:a) a pulsed solid-state laser with an emission in a wavelength range of between 2 and 3 .mu.m,b) a pulse energy of between 100 .mu.J and 1 J,c) a transmission fiber made of a material transparent to the wavelength and having a length of at least 0.2 m and a diameter of between 50 and 1000 .mu.m,d) an end piece made of quartz or sapphire and having a length of between 4 and 50 mm, the end piece following the fiber and having plane end surfaces arrange perpendicular to the longitudinal direction.

Abstract: A method for monitoring the opening and closing process in a system having at least one component moved by electric motor is described.

Abstract: A drive device with variable torque-limiting system. When a setting mechanism (17) forming part of a crank mechanism (23) is actuated in order to displace a carrier waggon (19) to which a hydrofoil component (2) is fastened, large forces are induced. To avoid excessive stresses on the components, the torque-limiter (15) is designed so that the drive torque is automatically variable within the limits of an adjustment range (88). The drive torque to be limited can, for example, be set at low values at the beginning and at the end of an oscillation path of the setting mechanism (17). The drive torque is varied by varying the preloading force of the spring assembly (47) of the torque-limiter (15). To this end, a comparator (74) detects the number of rotations of the output shaft (38) and varies the preloading force of the spring assembly (47).

Abstract: An arrangement for bracing a load in which a wedge is moved into frictional engagement between a mounting surface and a surface of the load. A spring biased rod is coupled to the wedge and moves it into and out of engagement with the mounting and load surfaces. A stop is provided to prevent the wedge from penetrating between said surfaces beyond a predetermined limit in order to avoid generating excessive forces between said surfaces.

Abstract: A new and distinct variety of apple tree named `Pinova` is provided. `Pinova` is a dwarf apple variety that withstands both winter and spring frosts (i.e., a winter cultivar), with fruit of dessert quality with a smooth skin finish (little or no russeting), displays higher productivity on average than `Golden Delicious` and no alternate bearing, and has less storage loss than `Golden Delicious`. `Pinova` is a high-quality cultivar that complements `Golden Delicious` in the market until June.

Abstract: A new and distinct variety of apple rootstock named `Pi 80 Select` characterized by (1) dwarfing when used as a rootstock; (2) excellent compatibility with a number of different apple cultivars; (3) good propagability; (4) sufficient mechanical strength for vigorous scion varieties; and (5) strong rooting capacity.