The invention relates to a high pressure fuel pump for an internal combustion engine having a cylinder (20), a plunger (2) slidably fitted in the cylinder (20) and a seal mechanism for blocking fuel leakage from an end of a sliding portion between the cyli...

The high pressure fuel pump, for an internal combustion motor, gives a variable fuel volume feed. It has a separate suction valve (18) between the low pressure line (15) and the feed zone (14). The control on the volume of fuel fed to the motor is set by o...