| 摘要 |
<p>A method and a device for supplying fuel and air to an internal combustion engine 1, in the case of which fuel is supplied to at least one injection valve 2 and combustion air is supplied to at least one intake pipe 3 provided with a throttle 4. For the purpose of achieving a simple and reliable mode of operation and for the purpose of guaranteeing a reliable supply of fuel and air to the internal combustion engine 1 under all operating conditions, the intake pipe 3 has coercively supplied thereto a predetermined amount of air corresponding to the respective position of the throttle 4 and, simulatenously, the injection valve 2 has coercively supplied thereto an amount of fuel in a fixed predetermined ratio to the amount of air. For carrying out this method, a pump device 5 is used, which is provided with two pump impellers 6, 7, which are arranged such that they are coaxial and adapted to be rotated about an ideal axis of rotation and which are disposed in separate flow channels 9, 10, said pump impellers constituting contra-rotating parts of a motor, which does not have any output shaft and which is exclusively used to the purpose of driving siad pump impellers 6, 7, the first pump impeller 6 being part of a fuel pump 13 whose outlet 12 is connected to at least one injection nozzle 2, and the second pump impeller 7 being designed as an air compressor impeller arranged in the area of the intake pipe 3 (FIG. 1).</p> |
