Abstract: Electronic engine control systems have a plurality of individual components on the intake tube, some of them located relatively far from one another. For electrically connecting the individual components to the electronic control unit, relatively long electric connecting lines and a relatively large number of plug connections are therefore necessary. This invention sets forth a preassembled throttle apparatus which includes at least one throttle device, rotatably accommodated in a throttle valve support, and an idling adjuster in a housing; the throttle apparatus has a bypass conduit, which bypasses the throttle device and which can be varied by the idling adjuster, into which a regeneration valve can output fuel, the regeneration valve being triggerable by an electronic control unit that is also accommodated in the housing. The throttle apparatus of the invention is intended particularly for mixture-compressing internal combustion engines with externally supplied ignition.

Abstract: An exhaust gas recirculation valve which comprises a stub pipe which protrudes into a pipe and with whose opening a valve element interacts, which valve element is moved by an actuator, the actuator being connected to the stub pipe by means of a connecting part in such a way that the above mentioned parts can be jointly inserted through a first opening into the pipe, a closing part of the stub pipe closing a second opening of the pipe, at which location an outwardly protruding end of the stub pipe is connected to an exhaust gas recirculation conduit. The connecting part advantageously also serves to relay measurements of a measurement recording device, recorded at the stub pipe to the analysis device of the measuring device.

Abstract: A fuel distributor for supplying fuel to a plurality of fuel injection valves of the top feed type, in which the inlet and the return necks are disposed on one end of the fuel distributor, so that mounting of the fuel distributor is simplified and the space required is reduced. A connection cap having a return neck is disposed on the distributor housing, and a central pressure regulator is disposed on its face end on a second end. The pressure regulator and the return neck of the connection cap communicate with one another through a central return line extending within the distributor housing. The fuel distributor is especially suitable for fuel injection systems of mixture-compressing internal combustion engines externally supplied with ignition, for supplying fuel to a plurality of fuel injection valves.

Abstract: The replacement unit includes a magnet circuit support magnetic barrier member which includes the magnet unit of a Hall generator and is adapted to be fastened to the contact interrupter plate. The unit also includes a distributor rotor adapted for mounting on the contact interrupter cam of the distributor shaft. A plastic reinforcing member of higher mechanical strength is anchored in the distributor rotor. It has a keying projection and extends over the region surrounding said projection, thereby reinforcing the critical section of the distributor rotor. Preferably it is cap-shaped and has an opening for accommodating a retaining member which retains the distributor rotor in the desired position.