Peripheral pump, particularly for feeding fuel to an internal co

Details Peripheral pump, particularly for feeding fuel to an internal co Peripheral pump, particularly for feeding fuel to an internal co

1994-02-03

1995-11-21

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

415 555, F04D 500

Patent

active

054681197

ABSTRACT:
The peripheral pump has a rotatable impeller including a central hub portion, an outer peripheral closed ring and impeller blades connecting the outer peripheral closed ring and the central hub portion to form intervening spaces between the blades; and a pump chamber having opposing chamber walls facing the impeller in the pump chamber, which are provided with ring-shaped ducts spaced radially from the impeller rotation axis to a same extent as the impeller blades and extending radially only to a radial extent equal to that of the impeller blades. The front side of each blade facing in the impeller rotation direction has a planar front surface extending from the central hub portion to the outer peripheral ring and a rear side of each blade has two blade edge surfaces inclined relative to respective opposing chamber walls and pointing to the respective chamber walls in the rotation direction of the impeller, at least in an edge region of the blade, to prevent turbulent flow in the intervening spaces. The blade edge surfaces also extend substantially radially and perpendicularly to the rotation axis.

REFERENCES:
patent: 3359908 (1967-12-01), Toma
patent: 4204802 (1980-05-01), Schonwald et al.
patent: 5123809 (1992-06-01), Ito
patent: 5299908 (1994-04-01), Robbie
patent: 5328325 (1994-07-01), Strohl et al.

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