Fuel injection system

Details Fuel injection system Fuel injection system

1980-01-24

1982-11-23

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123454, F02B 300

Patent

active

043599907

ABSTRACT:
A continuous fuel injection system for an internal combustion engine including a fuel metering valve 7 operating at a controlled pressure difference between chambers 13,14, the pressure difference being automatically adjusted by a regulating valve 17 including a diaphragm 18 separating two chambers 19,20. Chamber 20 is connected to relief 60 via a movable valve element 35 and the second chamber 19 is connected to the pressure upstream of the metering valve. The pressure difference is determined by a spring system acting on the diaphragm 18 including a stronger spring 33 which acts directly on the diaphragm and a weaker spring 34 which acts as a contact spring holding the valve body 35 lightly in contact with the diaphragm.

REFERENCES:
patent: 4220129 (1980-09-01), Steinwart
patent: 4227502 (1980-10-01), Steinwart
patent: 4243002 (1981-01-01), Freyer

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