Feed pump

Details Feed pump Feed pump

1999-06-15

2000-10-17

Walberg, Teresa

Pumps

Motor driven

Electric or magnetic motor

415 551, F04B 1700

Patent

active

061321850

ABSTRACT:
In a feed pump (2) designed as a peripheral or side channel pump, guide vanes (9, 11, 12) arranged in an impeller (4) have a different angle of inclination in the radially inner region from the radially outer region. As a result, the characteristic curve of the feed pump (2) can be modified simply by exchanging the impeller (4). By virtue of the invention, the feed pump (2), whilst having an intended feed pressure and volume flow, can be set to particularly high efficiency, depending on the viscosity of the liquid to be fed.

REFERENCES:
patent: 4258726 (1981-03-01), Glaser et al.
patent: 5380149 (1995-01-01), Valsamidis
patent: 5549446 (1996-08-01), Gaston et al.
patent: 5618160 (1997-04-01), Harada et al.
patent: 5713730 (1998-02-01), Nose et al.
patent: 5851103 (1998-12-01), Harada et al.

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