Abstract: A lambda regulating device is proposed for a fuel metering system in an internal combustion engine with externally supplied ignition. In addition to the regulation means which is already present, multiplicative and additive corrective variables are formed and are stored in non-transient memories. The regulating device enables an additive regulated shutoff of the additive lambda shift during idling and in the lower partial-load range, and it also enables regulation to a symmetrical distance on the part of the regulating manipulation from the limitation. The additive correction may be selected to be in accordance with rpm. Finally, the reference variables for the corrective value may be selected depending upon the air throughput in the intake tube of the engine. With a view to realization of the invention by means of a computer, individual flow diagrams relating to the mode of operation are given in the drawings.

Abstract: An electronically controlled fuel metering system for an internal combustion engine, in which a multiplicative correction is made during warmup and acceleration in accordance with the formulaK=(1+FM1(n, t1).multidot.FM2(.theta.))(1+FBA1(n, t1).multidot.FBA2(.theta.)).One exemplary embodiment illustrates a possibility for realizing the correction value formation by circuitry means; in addition, exemplary values are given for individual performance graphs and characteristic curves.

Abstract: An internal combustion engine has a cylinder with a movable piston and a cylinder head, a main combustion chamber and an additional combustion chamber, elements producing a twisted stream rotating about an axis of the additional combustion chamber, an injecting nozzle opening in an aspirating passage, and an external igniting device, wherein the injecting nozzle is formed as a single-hole injecting nozzle and has an injection hole which is directed substantially against the igniting device.

Abstract: An rpm governor of a fuel injection pump for internal combustion engines is proposed. The rpm governor includes a governor spring, which at one end engages a governor lever of the fuel injection pump and at the other end engages a correction lever. The other end of the correction lever is engaged by a correction spring, which is coupled at its other end with an adjusting member secured eccentrically relative to an adjusting shaft on an adjusting lever. The adjusting lever is connected with the adjusting shaft and is variable in its position by means of this shaft. The correction lever is supported between a roller and an adjusting gear wheel, which engages a rack zone of the correction lever. By rotating the adjusting gear wheel, the lever arms associated with the governor spring and the correction spring can be varied, thus varying the resultant spring force or spring constant engaging the governor lever in order to establish the degree of proportionality of the rpm governor.

Abstract: The rectified output voltage of the transformer of a d.c. to d.c. converter, as represented by a voltage divider output, is compared with a reference voltage in a voltage regulator (15), the output of which is compared in a comparator (29) with a sawtooth wave to produce a sequence of pulses the duration of which depends upon the output voltage of the regulator. These pulses are provided to the transformer through a driver circuit capable of operating at a very low input voltage. One flank of the square wave produced by a component of the sawtooth wave generator is differentiated by a capacitor (39) to provide transient pulses to the transformer to keep it operating in the event the input voltage to the converter exceeds the output voltage. Another comparator (59) is provided to shut down comparator operation when there is a short circuit at the output and also for a brief start-up interval during which capacitors are charged up.

Abstract: An apparatus for handling and stacking building frame structures, wherein the apparatus is positioned adjacent the end of a frame-conveyor system so as to receive a plurality of completed frame sections which are stacked within the apparatus, whereby the stacked frame sections are arranged to be removed by a transfer vehicle. The apparatus comprises a base-frame support having a pair of oppositely positioned, tiltable, truss sections. These truss sections include a carriage structure having a conveyor mounted thereto, the carriage structure being movable upwardly in order to stack the building frame structures on a pair of suspended racks which allows various transfer vehicles to remove the stacked group of frame sections.

Abstract: A drafting machine includes a pair of perpendicular straight edges slidably mounted with respect to reference scales integrally mounted within the drafting machine. A fine adjustment mechanism includes a worm and spur gear combination for moving the straight edges with respect to the scales. An override mechanism allows the straight edges to move freely with respect to the scales. The drafting machine preferably includes a second adjustable scales adjacent each reference scales for ease and accuracy in measuring.

Abstract: To provide for extremely fast response of positioning of a positioned element (3) operating within a guide bore (2) formed in a housing (1), upon application of a force, for example by loading of a spring (14), the element (3) is a hollow body (4) within which a stack assembly (5) of piezoelectric disks (6) is located, the piezoelectric disks expanding or contracting under application of electrical energy from a cable (11) against an elastomer disk or cushion (9) which, consequently, will elastically expand the side walls of the body (4) to clamp the element (3) in the guide bore (2) and permit release, for example, at time of maximum applied force to result in abrupt, sudden high operating force and acceleration of the positioned element. Positioning times of between 10 to 100 microseconds can be obtained.

Abstract: To prevent signal degradation of a sensing element, which may be a potentiometric or a polarographic sensor, having a reference electrode exposed to ambient air, the reference electrode (22) is placed within a chamber (21) which has included therein granules (39) of a material inert with respect to oxygen and having a surface hardness at least as hard as the reference electrode (22) so that, upon subjection of the sensor, when coupled to the exhaust system of an internal combustion engine, to vibrations, shocks and jolts, the granules will move in the chamber, rub against the electrode, and hence keep the electrode surface activated and free from contamination which may have penetrated with ambient air.

Abstract: Apparatus for simulating the playing of golf includes a tee area from which a player may drive a golf ball toward a curved target screen in front of the tee area. Optical sensing devices are positioned to gather data as to the speed and distance of travel of a ball driven from the tee area. With the data from the sensing devices, computer apparatus produces an estimate for display of the distance of travel and ultimate resting position the driven ball would have if allowed free flight. Sensing devices also allow the computer apparatus to determine when a ball falls into a cup located in front of the target screen. If a ball enters the cup, and if the computer apparatus determines that the ball would have landed within a prescribed distance from the location of a target hole towards which the ball is driven, a "holed out" condition is presumed.

Abstract: An electromagnetic activation device for valves using a hinged armature magnet. The hinged armature itself is attached to the free end of a leaf spring fastened on one end on the magnetic body and extends into the magnetic body. This leaves at least two guide air gaps (S.sub.1, S.sub.2) with specified measurements. In this manner an advantageous magnetic efficiency with only minimal friction losses is achieved and the electromagnetic activation device can be used advantageously with anti-blocking control devices in motor vehicle brake system.

Abstract: A normally lubricated bearing, typically a ball bearing, serves to transmit torque from a drive shaft for the fan wheel of an alternator. The driving and driven bearing surfaces form the coupling parts respectively on the drive side and the delivery side of the coupling. A cup spring is useful to control the bearing friction that must be overcome at a limiting speed at which the drive shaft begins to turn faster than the driven device. Such couplings are useful for engine fans, pumps, or other similar auxilary devices in motor vehicles.

Abstract: A tire-pressure regulating system for motor vehicles is proposed, in which a tire-pressure control valve is provided on each vehicle wheel to be monitored.The control valve has a valve seat attached to the housing and a closing body arranged to cooperate with this valve seat. The closing body is disposed on a working surface in such a way that a seat valve controlled by working surfaces is created. The control valve is adjustable in accordance with differential pressure with the aid of a throttle valve means. In this way the differential pressure can be established by the tire pressure being directed at that time. Below a minimum permissible filling pressure, the control valve is closed.The tire-pressure regulating system is preferably applicable to trucks and trailer trucks such as semitrailers to which frequently is attached another wheeled cargo carrier.

Abstract: An electrically controlled fuel metering system having an air flow rate meter device in the air intake tube and a subsequent linearizing circuit layout is proposed. The linearizing circuit layout functions in accordance with the point-slope method and is embodied as a voltage-to-current converter. A first exemplary embodiment of the linearizing circuit layout has transistors coupled with one another respectively at the base and collector sides, the emitters of which are connected with different potentials and are triggered on the base side. In a second exemplary embodiment, individual transistors or transistors which are combined into groups receive their trigger signal via separate amplifiers, while the collectors in turn are carried to a common output point and the emitters likewise have different signal levels. Because of its relatively simple design, the proposed embodiments are particularly well suited to the purposes of integration.

Abstract: A pressure-medium brake system with division into two or more brake circuits is proposed. A relay valve is incorporated into each brake circuit. Control medium and working medium of each relay valve are supplied by the same pressure-medium source. For each brake circuit a single valve is provided in a service brake valve, which additionally has an electrical supply, with which the actuation of all relay valves can be controlled. The pressure-medium brake system is perferably embodied as an air-brake system and is intended for utility vehicles, such as trucks and buses.

Abstract: An electromagnetically actuatable valve, especially an injection valve for fuel injection systems which supply internal combustion engines with fuel, is proposed in which the fuel injection valve encompasses a valve chamber and a core upon which a magnetic coil is mounted by means of a carrier body. Fuel supply openings discharge into a flow passage provided around the magnetic coil. Vapor bubbles dissolved in the fuel may be flushed out of the flow passage via a first restriction into fuel return openings which communicate with a fuel return line. On the other hand, the fuel may flow from the flow passage into the collecting chamber which houses a valve component and a valve seat. Vapor bubbles which may appear near the valve component may be flushed out via a second restriction which is provided in the interior of a core to reach the fuel return openings. Thus, disturbances with fuel injection, especially during the "hot start" of the internal combustion engine, are avoided.

Abstract: To render the mixing relationship of mixed actual pulling force signals and actual positioning signals independent of the level of the respective individual signals, and thus avoid resetting of a manual positioning command element (7) upon change of respective relationships of pulling force and position, for example depth of furrow of a plough upon change of soil consistency, the force signal is normalized or rendered of equal value with respect to the position signal, preferably in accordance with predetermined events, such as change in the positioning command element, sensing of excessive pulling force, or the like, so that the normalized force signal and the actual position signal will be in balance, and relative change thereof in the mixer will not cause uncontrolled change in the position of the load, for example the plough, without resetting of the command element (or, conversely, require resetting of the command element upon change in relationship of the mixed signals).

Abstract: A hydraulic valve mechanism has a housing with first and second bores, a control valve element in the first bore, a pressure compensation valve in the second bore, and a non-return valve cooperating with motor parts, wherein control edges for direction control are arranged on the control valve element only at one side of throttle means, the non-return valve is also arranged in the second bore of the housing, and the longitudinal valve element of the pressure compensation valve also forms a closing member of the non-return valve.