Operation Section
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8
3.4 Construction of Supply Pump
z The eccentric cam is attached to the drive shaft. The eccentric cam is connected to the ring cam.
z As the drive shaft rotates, the eccentric cam rotates eccentrically, and the ring cam moves up and down while rotating.
z The plunger and the suction valve are attached to the ring cam. The feed pump is connected to the rear of the drive shaft.
Supply pump interior
Regulating valve
Feed pump
Overflow
Fuel tank
SCV (Suction Control Valve)
Intake valve
Discharge valve
Pumping portion (plunger)
Rail
QD0705E
QD0706E
Cam Shaft
Eccentric Cam
Ring Cam
Q001233E
Ring Cam
Eccentric Cam
Cam Shaft
Plunger
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