High-pressure accumulator for fuel injection systems with...

Details High-pressure accumulator for fuel injection systems with... High-pressure accumulator for fuel injection systems with...

2007-03-06

2007-03-06

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S514000, C123S447000, C123S506000, C123S467000, C123S458000

Reexamination Certificate

active

10515293

ABSTRACT:
A fuel injection system for internal combustion engines includes a high-pressure accumulator acted on with highly pressurized fuel by a high-pressure delivery unit and in turn supplies fuel to fuel injectors. The fuel injection system has a pressure control valve, which is disposed between a high-pressure side and a low-pressure side and actuating a valve element. The pressure control valve is actuated by means of an electrical actuator. An end surface of the pressure control valve delimits the low-pressure region in the high-pressure accumulator and is sealed by means of a seal disposed on the low-pressure side.

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