Patent ID: 7353837

Claim:
A pressure reducer comprising: a housing having an inlet and an outlet, in which a flow-around body is arranged in a flow channel connecting the inlet and the outlet, a flow restrictor adjustably mounted relative to the flow-around body for varying a flow rate and movably connected with an adjusting means having a recirculating ball nut substantially fixed in an axial direction and rotatably mounted in the flow-around body and a rotating spindle axially adjustably mounted in the recirculating ball nut, wherein the rotating spindle is movably connected with the flow restrictor, the recirculating ball nut being detachably fastened in a turning sleeve rotatably mounted in the flow-around body and the recirculating ball nut being connected with a driving toothed wheel in a rotation-resistant manner, which is rotatable by an electric drive for the movable connection with the recirculating ball nut.