| 摘要 |
A common rail fuel injection system is proposed in which the pressure in the return line (27) is controlled as a function of the delivery pressure of the presupply pump (19). This improves the operating behavior of a high-pressure fuel pump (1) and the injectors, not shown, which are supplied with fuel by means of a common rail (3). The pressure in the return line (27) is controlled by means of a pressure control valve (31).
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