Pump

Details Pump Pump

1985-03-14

1987-05-26

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial, conical flow runner

415DIG3, F04D 2960

Patent

active

046681663

ABSTRACT:
The pump, specifically, barrel pump, can be equipped with exchangeable impellers (8, 8'), which can be screwed onto the lower end of the drive shaft (9). One impeller (8) is designed as an axial impeller, while the other impeller (8') is designed as a radial impeller. The radial impeller needs as intake orifice (37), which is easily exchangeable inside the pump foot. So that both impellers can be installed into otherwise identical pumps, it is necessary to select a larger distance between the impeller and the guide wheel in the case of the radial impeller than in the case of the axial impeller and to furnish the guide wheel with commensurately longer guide blades, which have, at the connection with the forward curved section, a long straight area parallel to the axis. Furthermore, the transportation channel inside the guide wheel is narrowed at the beginning and widens in the course of the axial flowthrough.

REFERENCES:
patent: 2896544 (1959-07-01), Ogles et al.
patent: 2900112 (1959-08-01), Edwards
patent: 3146007 (1964-08-01), Boivie et al.
patent: 3168048 (1965-02-01), Toyokura et al.
patent: 3771926 (1973-11-01), Pardieck
patent: 4021145 (1977-05-01), Pepper
patent: 4341503 (1982-07-01), Gschwender et al.
patent: 4417850 (1983-11-01), Hacker et al.
patent: 4523900 (1985-06-01), Frey

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