Phase 5
The control piston C2 has reached its left
end position. Thereby it opens the connec-
tion duct to the left end of control piston A2
and metering piston A1. The pressurized
lubricant P1 is now located at the left end of
control piston A2 and metering piston A1.
Due to its larger cross-section lubricant P1
first moves metering piston A1 to the right
and then displaces the lubricant enclosed
on the right side of metering piston A1 to
outlet 2.
Phase 6
As soon as metering piston A1 reaches its
right end position, the pressurized lubricant
P1 moves the control piston A2 (black ar-
row) rightward and additionally displaces
the enclosed lubricant in front of control
piston C2 to outlet 2.
The total output of outlet 2 corresponds to
the output of metering piston A1 and control
piston A2.
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