Common rail fuel injection system

Details Common rail fuel injection system Common rail fuel injection system

2007-06-05

2007-06-05

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S446000, C123S496000

Reexamination Certificate

active

11269517

ABSTRACT:
Immediately before fuel pressure is increased by a pressure-increase mechanism, a pressure-increase control valve of each cylinder is opened in timing that does not overlap the timing of opening of an injection control valve, and the period of time for which the pressure-increase control valves is opened is gradually increased. As a result, it is possible to prevent the quantity of fuel consumed by the pressure-increase mechanism from rapidly increasing when the increase of fuel pressure is started.

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patent: 6904893 (2005-06-01), Hotta et al.
patent: 6938610 (2005-09-01), Braun et al.
patent: 2002-364484 (2002-12-01), None

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