Abstract: A radiation source assembly is provided that is particularly apt for use in an anesthetic gas monitoring device (e.g., a gas spectrometer) to enhance maintenance of initial calibration conditions therewithin. In one embodiment a respiratory gas spectrometer includes a containment assembly that defines an internal containment area(s) within which a ceramic radiation source, an optical assembly, a sample gas assembly, and a radiation detection assembly are positioned. The radiation source assembly is provided for positioning and supporting the ceramic radiation source relative to the optical assembly within an internal containment area of the gas monitor. The radiation source assembly provides for enhanced sealing between the ceramic radiation source and adjoining componentry. The radiation source assembly is selectively retractable from the containment assembly to permit periodic servicing (e.g., replacement of the radiation source) without requiring disassembly of the gas spectrometer.

Abstract: A device for controlling a driving force which is mounted between a vehicle motor and the wheels of a motor vehicle controls at least to reduce the force flow between the vehicle motor and the wheels in response to a drive signal. The vehicle motor is controlled by the device of a motor control. The drive signal is formed in dependence upon a detected fault in the motor control. The force flow between the vehicle motor and the wheels is especially then interrupted when an emergency shutoff of the motor can cause a high drag torque on the wheels and therefore a driving situation critical with respect to safety. The device for controlling the driving force is comprising a clutch downstream of the motor, an automatic or automated transmission, and a converter bridge clutch which can bridge the torque converter downstream of the vehicle motor.

Abstract: The invention relates to agents and processes for detecting bacteria of the genus Listeria, in particular L. monocytogenes. The agents according to the invention include primers whose sequence is selected from the iap gene of L. monocytogenes. In addition, the agents according to the invention include peptides whose sequence is selected from the p60 protein and which are suitable for producing specific antibodies for the immunological detection of L. monocytogenes.

Abstract: The invention relates to a system for generating high fuel pressure for a fuel injection system used in internal combustion engines in which via a low-pressure pump fuel aspirated from a fuel tank is delivered via a low pressure line and at least one valve to a high-pressure pump, and some of the fuel stream is diverted to the return loop from the low pressure line at or upstream of the high-pressure pump. In the low pressure line, an electrically controlled flow regulating valve is inserted between the low-pressure pump and the high-pressure pump. The flow regulating valve splits the fuel stream supplied. One portion is delivered to the high-pressure pump, and the remainder is relieved into the return loop. The flow regulating valve requires little space and only a few connections and is simple to manipulate.

Abstract: A linear drive mechanism includes a cable wound on a motor-driven cable drum for accurately displacing a driven member in a linear direction relative to a housing, the driven member being adapted to carry the connecting head of a laser processing system, or the like. The ends of the cable are connected with the driven member and with the housing, respectively, the cable being tensioned to frictionally retain the cable turns on the cable drum, and to effect accurate positioning of the driven member with a low wear rate and without play or backlash.

Abstract: The invention relates to agents and methods for the immunological detection of bacteria of the genus Salmonella. The agents according to the invention include peptides whose sequence is selected from the PagC protein, and which are suitable for producing specific antibodies for the immunological detection of salmonellae.

Abstract: A central control module generates nominal values for braking based on a pedal input value form a pedal sensor which detects actuation of the brake pedal by the driver, and sensor signals representing wheel speeds. First and second brake control modules transmit sensor signals to the central module, receive nominal values from the central module, and transmit nominal values to the actuators. The first brake control module receives the pedal input value from the pedal sensor directly, and calculates the nominal values as a function of the pedal input value when the central module has failed.

Abstract: The invention relates to oligonucleotides which are suitable for use as nucleic acid probes or as primers for the detection of Enterobacteriaceae, in particular of pathogenic Enterobacteriaceae, such as, for example, Salmonella sp. The oligonucieotides according to the invention are selected from the salmolysin-like DNA region and possess a sequence according to one of the formulae IIIa to IIIh, or a corresponding complementary sequence:______________________________________ GAA TAT ATT GCG TTA GAT TAA T IIIa (SEQ ID NO:19) AAA CTG AAG CTA CAG GTG CC IIIb (SEQ ID NO:20) CTT AGC AAG CTA ATT ATA AGG IIIc (SEQ ID NO:21) GGC ACG GTT GGT GCG CAT TTG G IIId (SEQ ID NO:22) GCC ATA CGT GTG GCC ATG TGA IIIe (SEQ ID NO:23) GGC GTG TGG TCA GTA ACC TGA IIIf (SEQ ID NO:24) TTG CTG GCC AGC ACG ACA CG IIIg (SEQ ID NO:25) and GAA TCA TCA CCG CCC TGA AT IIIh (SEQ ID NO:25).

Abstract: A terminal head for processing a workpiece using a laser beam includes a housing into which an insert including a focusing optical system is laterally inserted. The terminal head includes a positioning device accessible from outside of the housing for displacing the focusing optical system relative to the insert. The adjusting device may displace the focusing optical system in a longitudinal direction of a laser beam and at right angles to the longitudinal direction of the laser beam. This arrangement allows the focusing optical system to be readily changed and properly adjusted within the housing.

Abstract: Forging machines are provided with four rams which are arranged offset at 90.degree. to one another in a cruciform manner in one plane acting radially upon the workpiece guided longitudinally in the system axis and are equipped with tools, wherein displacement devices acting upon tool supports are provided for setting the tools with respect to the rams in accordance with the end position of the stroke of the rams. The known displacement devices have the disadvantage that the connection of the displacement devices to their drives must be provided with couplings or transmission connections which compensate the stroke of the rams. By the present invention the drives of the displacement devices are secured to the rams and push-pull rods or rotating rods are provided as drive connections with the displacement devices mounted on the front plates of the rams, for the transverse displacement of the tools.

Abstract: The invention relates to a method for increasing the storage stability of sodium percarbonate (2 Na.sub.2 CO.sub.3.3 H.sub.2 O.sub.2) by coating with a sodium perborate.According to the present invention wet sodium percarbonate salt, obtained by reacting sodium carbonate with hydrogen peroxide in aqueous phase and separating the salt from the aqueous phase, is treated with a solution or suspension containing sodium perborate in a solid-liquid separator by a kind of displacement wash. In contrast to previously known methods, according to the present invention a greater storage stability is attained with smaller quantities of perborate coating.

Abstract: A forging machine has four rams arranged at 90.degree. to one another in a cruciform manner in one plane; these act radially upon the workpiece, guided longitudinally in the system axis, and are equipped with tools. In order that the tools may form a closed pass contour in different adjustable stroke-end positions they are connected to the rams by way of supports and are displaceable transversely to the ram axis, releasable clamping members being provided which each lock a support against a front face of a ram. The suction arising during separation of the supports from the front faces of the rams can lead to the penetration of dirt (scale) into the gaps between the front faces of the rams and the supports. The supports (17) are provided with locking teeth (40) on their sides parallel to the displacement plane, the teeth (40) extending transversely to the displacement direction, and locking members (42), locked on the rams (2) in the displacement direction, can be engaged and disengaged with the locking teeth.

Abstract: The invention relates to forging machines which are provided with in particular four rams which are arranged offset at 90.degree. to one another in a cruciform manner in one plane, act radially upon the workpiece, guided longitudinally in the system axis, and are equipped with tools. Piston-cylinder units provided for driving the rams are dimensioned for the entire stroke of the rams. The object of the invention is a simple, secure setting of the stroke-end position of the rams corresponding to the current tool setting or width. This object is attained in that the stroke of each ram (2) or the cylinder (4) connected to it can be limited in the inner stroke-end position by displaceable stops (17, 18, 19) arranged between the machine frame (1) and a projection (14b) on the ram (2) or cylinder (4).

Abstract: A vehicle brake system with a hydraulic brake booster. A booster pressure which is required for operating the brake booster is produced by throttling a flow of pressure medium which is supplied by a pump. For this purpose, a throttle valve is arranged between a pressure line which is connected to the pump and a return line which leads back to the pump, the adjustment of said pressure valve involves a building up of booster pressure in the pressure line by a solenoid, which booster pressure is applied to the brake booster. An electronic control unit which is connected to at least one sensor which outputs variable electric signal serves to control the throttle valve, the sensor detects activation of the brake pedal. For example, a pressure sensor which as a function of the boosting pressure supplies signals to the control unit which is developed to form a pressure controller and controls the throttle valve can be connected to the brake booster.

Abstract: A nozzle for a tool for the working of material and having a nozzle body which is composed of electrically conducting material and carries a nozzle electrode in its tip region with the tip region of the nozzle body and the remaining region of the nozzle body being formed by separate parts which are connected to one another and electrically insulated from one another, the nozzle electrode being in direct electrical contact with the tip region.

Abstract: The use of 1-(5-oxohexyl)-3-methyl-7-n-propylxanthine or of physiologically tolerated salts of this compound for the preparation of pharmaceuticals for the prophylaxis and treatment of nerve damage after interruption of the blood circulation is disclosed.

Abstract: The use of xanthine derivatives for the treatment of secondary nerve cell damage and functional disorders after cranio-cerebral traumas (CCT)The use of xanthine derivatives of the formula I ##STR1## and of their physiologically tolerable salts, in which R.sup.1 is oxoalkyl, hydroxyalkyl or alkyl, R.sup.2 is hydrogen or alkyl and R.sup.3 is hydrogen, alkyl, oxoalkyl or an alkyl having up to 6 carbon atoms, whose carbon chain is interrupted by an oxygen atom, for the production of pharmaceuticals for the treatment of disorders which can occur after cranio-cerebral traumas is described.

Abstract: A disk brake having an electromagnetic friction clutch that can be brought into controllable frictional engagement with a brake disk. The friction clutch can act on a device for generating hydraulic pressure independent of the direction of rotation, and this pressure can act upon a clamping device for operating friction linings. To press the friction linings against the brake disk, energy is taken from the rotating vehicle wheel by means of the friction clutch and metered to the clamping device with pressure fluid as the energy carrier. The friction brake can be used in passenger cars, for example.

Abstract: A forging machine has a machine frame (1), radial forging rams (2) each adapted to carry a die (5), distributed angularly in a common working plane around the system axis (5); radial pressure-fluid piston (12) and cylinder (11) units on the machine frame, each with its cylinder forming or connected to a respective ram and having a stroke corresponding to the required ram stroke; and crossheads (15) mounted adjustably on the machine frame and each supporting the piston of a respective piston and cylinder unit. The stroke position of each ram is adjustable by adjustment of the crosshead towards and away from the system axis. A flange (19) is provided on each cylinder (11) and, a ring (17) extends around each ram, at the radially inner side of the flange (19), and is connected to the adjustable crosshead. Ram return piston and cylinder units (20,22) are disposed between the ring and flange.

Abstract: A forging machine has four forging rams (2) supported by the machine frame (1) for movement radially towards and away from the system axis (5) in an X arrangement at 90.degree. to one another. Piston and cylinder units (12-15) on the machine frame each have a ram (2) as a constituent part and have a stroke corresponding to the working stroke of the ram. A crosshead (16) supports each piston and cylinder unit, and is adjustable (23-25) relative to the machine frame for setting the stroke position of the ram. An adjustable die holder (6) at the radially inner end of each ram adjusts a die (5) thereon in a direction transverse to the radial direction of the ram, so that the dies can be positioned with parts of their working surfaces overlapping side surfaces of adjacent dies to form a closed forging pass contour smaller than the working surfaces of the dies. Radially extending drive shafts (58) external to the rams and gear units (54-59) at the radially inner ends of the shafts adjust the die holders.