Patent ID: 9273673
Filing Date: 2016-03-01
CPC Classification: B60T,F04B,F16K,G05D

Claim Text:
1. A piston pump for delivering fluids, comprising: a piston; a cylinder element; a pressure chamber arranged between an inlet valve and an outlet valve; and a throttling mechanism configured to throttle a fluid flow and arranged downstream of the outlet valve in the fluid flow, wherein the throttling mechanism is a device including: a basic body which includes at least one throttle point having a predefinable opening cross section, wherein the basic body is an open ring having at least one pair of spring arms each pair forming arcs of an imaginary circle, so that the opening cross section of the at least one throttle point is defined on the circumference of the imaginary circle between free ends of the spring arms and is variably adjustable as a function of a pressure difference.