Pump for the transporting of fluids and of mixtures of fluids

Rotary kinetic fluid motors or pumps – With shaft connected fluid force subjected thrust balancing... – Motor shaft

Reexamination Certificate

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Details

C415S113000, C415S230000

Reexamination Certificate

active

10493180

ABSTRACT:
A pump for the transporting of fluids and/or of mixtures of fluids includes a housing (1) and at least one restrictor gap seal which is provided in the housing (1) to reduce the pressure in a restrictor gap along a rotatable part (2) of the pump, wherein the restrictor gap seal is formed as a brush seal arrangement (8). The brush seal arrangement (8) contains one or more individual brush seals (8′) which include as sealing members a plurality of sealingly arranged fibers, bristles and/or wires (8a) which are distributed and fastened in ring form and whose free ends extend towards the surface to be sealed.

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