Pump for the transporting of fluids and of mixtures of fluids
US7338252B2 · kind B2 · utility
6Cited by
17References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2002 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Oct 22, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3404
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.