High-pressure injection system with a control throttle...

Details High-pressure injection system with a control throttle... High-pressure injection system with a control throttle...

2007-05-15

2007-05-15

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S447000

Reexamination Certificate

active

10465301

ABSTRACT:
A high pressure injection system comprises at least one fuel high pressure accumulator, a control chamber and a valve, in addition to an injection valve having a valve needle and a control piston. The control chamber is connected to the high pressure accumulator by means of an inlet throttle and to the valve by means of an outlet throttle. The control chamber controls the movement of the control piston and the valve needle connected thereto. To this end, flow conditions of the fuel flowing into and out of the control chamber are regulated by means of the inlet throttle and the outlet throttle. The inlet throttle is configured as a multi-stage throttle.

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PCT International Search Report PCT/DE01/04703 (Translation) 5pages, Sep. 23, 2002.

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