| 摘要 |
The body of the fuel injector has an emergency return duct (62), which is arranged as an offshoot of the return pipe (60), upstream of the calibration orifice (61). The pressure regulator (30), under the action of the return device (31) acts on the element, adjusting the section of the passage (20), so that the pressure of the fuel, passing through the control volume (32), in the direction of the primary position, and is decreased by the movement in the secondary direction.
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