Fuel injector with spill chamber

Details Fuel injector with spill chamber Fuel injector with spill chamber

2006-06-27

2006-06-27

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S506000

Reexamination Certificate

active

07066151

ABSTRACT:
A fuel injection system has a spill chamber fluidly connected between a high pressure side and low pressure side with a spill valve that is synchronized with the control valve. The spill chamber has a movable piston that is pressure balanced at a first position during fuel injection and fuel filling, but moves to a second position increasing volume in the high pressure side during a spill event at the termination of injection.

REFERENCES:
patent: 3779225 (1973-12-01), Watson et al.
patent: 4612893 (1986-09-01), Ishibashi et al.
patent: 4624233 (1986-11-01), Phillips
patent: 4881504 (1989-11-01), Best
patent: 5626119 (1997-05-01), Timms
patent: 5893350 (1999-04-01), Timms
patent: 6763809 (2004-07-01), Grabandt
patent: 6868831 (2005-03-01), Lei
patent: 2003/0159678 (2003-08-01), Egler et al.

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