Each measuring cut has a differential pressure valve that provides equal pressure on both sides of the cut. Since the open length of the cut does not affect the amount of pressure drop across the cut, the amount of fuel flowing depends only on the open surface of the cuts.
Pic. 3.51. Scheme of the K-Jetronic injection system
1 - differential measuring valve; 2 - air flow meter; 3 - fuel distributor; 4 - adjusting bolt of the composition of the mixture; 5 - fuel tank; 6 - fuel pump; 7 - pressure accumulator; 8 - fuel filter; 9 - pressure regulator; 11 - nozzle; 12 - idle speed adjusting bolt; 13 - battery; 14 - ignition switch; 15 - switch disconnecting the fuel pump; 16 - ignition distributor; 17 - cold engine start valve; 18 - thermal time switch; 19 - additional air valve; 20 - engine heating valve.
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