Abstract: In a gearshift unit for a transmission of a motor vehicle, wherein a driver of the motor vehicle shift the gears of the transmission by means of a gearshift lever and the gearshift unit has a gearshift power-assist unit to enhance the shift force exerted by the driver of the vehicle, a control device is provided which detects a significant increase in a moment of inertia, in excess of a normal amount, of masses to be accelerated in the event of a gearshift in the transmission and actuates the gearshift power assist unit to assist the shift forces only when no significant increase in the moment of inertia has been detected in order to prevent high shifting forces from being generated when they might lead to damage to the transmission.

Abstract: In a variator for an infinitely variable toroidal drive including a support trunnion rotatably supporting motion transmitting traction rollers and means for the lubrication and cooling of the components of the variator, in particular of the bearings, throttles are provided in the lubricant lines directly adjacent to the bearings whereby the pressure level for lubricant is raised for an improved control of the flow of the lubricant to the different lubricating points.

Abstract: In an arrangement for controlling an internal combustion engine comprising an electronic engine control unit, a cylinder with a combustion chamber, a fuel injector, an intelligent electronic block with an electronic data storage unit, a computing unit, a signal measuring unit and an electric energy storage device for supplying energy to the electronic block during operation of the internal combustion engine, and control lines for the transmission of fuel injection control signals from the electronic engine control unit to the injector, the control lines for the transmission of injector control signals serve as energy transmission for the energy storage device and, at the same time, as bi-directional data exchange lines.

Abstract: In a fuel supply system for a spark-ignition internal combustion engine having a blow-in valve for each cylinder for blowing an easily ignitable mixture of a liquid fuel and a combustion gas via a blow-in nozzle into a combustion chamber of the internal combustion engine, the blow-in valve has a pressure connection for supplying pressurized combustion gas to a blown-in nozzle from an external pressure source, and the blow-in valve has a piston/cylinder unit for delivering the liquid fuel for injection into the cylinder together with the combustion gas, with a plunger being provided for an at least indirect actuation of a nozzle needle of the blow-in nozzle controlling the injection of a metered quantity of fuel and the combustion gas into the combustion chamber.

Abstract: In an internal combustion engine including an electronic engine control unit and electric consumers including an electric generator, a starter system, a performance module having integrated therein switching means for activating or deactivating consumers and monitoring means for the surveillance of the consumers and also power distribution means for the distribution of the electric power to the consumers is connected to the crankcase of the engine and wired via wiring harnesses to the engine and the consumers.

Abstract: In an injection molding nozzle with a nozzle head including at least one discharge opening and a closure element for closing the discharge opening movably supported in the nozzle head for closing the discharge in order to control the supply of melt material to a communication opening in an injection mold, the closure element is operable by a drive mechanism provided with a short stroke actuating means for displacing the closure element in a direction opposite to the closing direction of the closure element by a predetermined short distance so as to automatically retract the closure element by the predetermined short distance when it is no longer biased by the actuating means in the closing direction.

Abstract: In a drive unit for a hybrid motor vehicle for coupling an internal combustion engine and/or a motor-generator to a transmission, wherein an input shaft of the drive unit is connected to the internal combustion engine and the motor-generator is connected to an output shaft of the drive unit and a clutch is arranged between the input shaft and the output shaft, the clutch is normally engaged and means are provided for opening the clutch depending on the speed of the output shaft and also a freewheeling coupling is arranged in the drive unit in parallel with the clutch for connecting the input shaft to the output shaft via the freewheeling coupling.

Abstract: In an ultrasound transducer arrangement comprising at least one piezoelectric body with a lower and an upper electrode and a coupling layer including a wafer on which the ultrasound transducers are disposed and are connected to the lower electrode, a conductor structure of uniform height is disposed on the wafer and is in contact with the lower electrode and any space between the piezoelectric body and the wafer is completely filled with a cement material.

Abstract: In a camshaft adjusting device for adjusting a phase position of a camshaft relative to a crankshaft of an internal combustion engine with a gear mechanism including at least three drive connections, a locking element is provided, with which at least two of the at least three drive connections, can be locked to one another in a rotationally fixed manner depending on operating conditions for retaining a particular phase position of the camshaft relative to the crankshaft of the internal combustion engine.

Abstract: In a method for detecting the opening of a passive pressure limiting valve for releasing fuel from a common rail fuel injection system to a tank with a fuel supply including a throttle wherein, based on a stationary rail pressure present during manual operation, a load reduction is detected when the rail pressure exceeds a first limit value and, as a result, a PWM signal for controlling the suction throttle is temporarily increased, the opening of the pressure limiting valve is recognized if, as a result, the rail pressure exceeds a second limit value and increases still further.

Abstract: In a device for separating water and filtering impurities out of liquid hydrocarbons or fuels, comprising a housing including a first vertically arranged hollow body receiving the coalescer element and a second vertically arranged hollow body receiving a fine filter, and the first and second hollow bodies are joined to one another via a flow-routing component, both being oriented perpendicularly to the horizontally arranged flow-routing component which has a relatively large volume and a configuration for quieting the fuel flow to enhance collection of water droplets in a collection chamber formed at the bottom of at the bottom of the flow-routing component from where the collected water can be discharged.

Abstract: In a twin-clutch transmission, in a first forward gear, the drive torque is transferred by an interconnection of a first transmission part having one countershaft and a second part transmission having another countershaft by means of an intermediate stage whose gearwheels can be used multi-functionally in connection with additional forward gears of the transmission thereby providing for a relatively small transmission with a relatively large number of transmission ratios.

Abstract: In an internal combustion engine having a compressor in its induction system which has a compressor wheel rotatably mounted in an intake duct combustion air compressor, whereby the combustion air is compressed to an increased boost pressure, and an auxiliary duct which opens into the compressor intake duct, an adjustable blocking element being arranged in the compressor intake duct upstream of the compressor wheel and an adjustable swirl device being arranged in an opening region of the auxiliary duct, and an NOx storage catalytic converter being disposed in the exhaust gas system, the blocking device and the swirl device are adjustable so as to generate an air fuel ratio with an excess of fuel, and, at the same time a propulsive swirl is applied to the compressor wheel when the blocking element is moved to a position in which air supply to the compressor intake duct is restricted.

Abstract: In a balance shaft for a multi-cylinder in-line engine with at least two imbalance weight sections and at least one bearing structure wherein the balance shaft has imbalance weight sections being arranged symmetrically relative to the bearing position and at least one of the imbalance weight sections is connected to a further shaft section at an end facing away from the bearing position, a flexible coupling element that enables a deflection of the end of the connected imbalance weight section in the direction of the resulting centrifugal forces when the balance shaft rotates is provided between the end of the at least one imbalance weight section facing away from the bearing position and the further shaft section.

Abstract: In a coolant circuit for an internal combustion engine having two cylinder banks, a radiator for cooling the engine coolant, a pump and a thermostatic valve including a mixing chamber and first and second flow control valves, wherein the pump is connected to the radiator via an intake line for receiving coolant therefrom and supplying it to the cylinder banks which are in communication with the mixing chamber from which a radiator line extends to the radiator for returning heated coolant to the radiator under the control of a flow control valve, or supplying it via a bypass line to the intake line under the control of a bypass valve, a heating circuit is provided extending from one of the cylinder banks via a heater to the pump intake line and a heater control valve is disposed in the heating control circuit so that, upon opening of the heater valve, coolant flows from the other cylinder bank via the mixing chamber to the one cylinder bank and coolant from both cylinder banks jointly flows through the heating

Abstract: In an adjusting device, in particular for a motor vehicle, which includes at least one adjusting unit for adjusting the pressure of a pressure medium in accordance with at least one parameter, the adjusting unit includes a first and a second throttle point having different dependences on the parameter in order to obtain a pressure difference dependent on the parameter for controlling the supply of the pressure medium.

Abstract: In an internal combustion engine with at least one cylinder in which a combustion space is delimited between a piston and a cylinder head, with a fuel injector having an outwardly opening injection nozzle arranged in the combustion space for injecting fuel in the form of a hollow cone into the combustion space, and a spark plug mounted in the cylinder head and having electrodes arranged outside the hollow fuel cone generated by the injection nozzle, into which the electrodes of the spark plug project, the cylinder has a bore diameter (D) dimensioned such that, at an ignition time point of the internal combustion engine, a ratio dmR/D of the mean diameter (dmR) of the fuel boundary vortex (10) to the cylinder bore diameter (D) is in a range of 0.08 to 0.2, in particular of 0.1 to 0.12.

Abstract: In a method and a circuit arrangement for operating an ultrasound oscillation system, wherein an excitation voltage is applied to an ultrasound oscillation system comprising an ultrasound oscillator and components for forming an oscillation circuit for generating an excitation current and wherein the frequency of the excitation voltage is adjustable for operating the ultrasound oscillation system at a predetermined operating point, upon switching on the ultrasound oscillation system, the frequency, beginning with a startup frequency, is changed until the operating point is reached, and, upon switching off the ultrasound oscillation system, the frequency of the excitation circuit is recorded in a storage device and the recorded value is used for determining the startup frequency when the ultrasound oscillation system is again switched on.