Pressure pulsation damper with integrated hot soak pressure cont

Details Pressure pulsation damper with integrated hot soak pressure cont Pressure pulsation damper with integrated hot soak pressure cont

1999-05-14

2000-12-05

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

123511, F02M 3704

Patent

active

061552356

ABSTRACT:
The integrated pressure pulsation damper and hot soak pressure valve lies normally open adjacent the fuel rail and damps fuel pressure pulsations during engine operation caused by opening and closing of the fuel injectors. When the engine is turned off, and a hot soak condition occurs, the valve automatically closes to retain a high fuel pressure in the fuel rail to facilitate hot restarts. Upon restarting the engine, the valve reverts to its normally open condition, serving as a pressure pulsation damper.

REFERENCES:
patent: 5458104 (1995-10-01), Tuckey
patent: 5579739 (1996-12-01), Tuckey et al.
patent: 5605133 (1997-02-01), Tuckey

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