| 摘要 |
A piston pump includes a pump housing in which a pump piston is guided axially movably, so that upon an actuation of the pump piston a fluid is pumped from a suction side of the piston pump to a compression side of the piston pump via a pump chamber adjoining the pump piston. According to the invention, the pump piston is guided by means of a piston ring which has a dividing point that is sealed in a radially and axially pressure-reinforced manner.
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