Aggregate for feeding a fuel from tank to an internal combustion

Details Aggregate for feeding a fuel from tank to an internal combustion Aggregate for feeding a fuel from tank to an internal combustion

1998-04-24

1999-10-05

Moulis, Thomas N.

Rotary kinetic fluid motors or pumps

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

Turbine regenerative pump

F04D 500

Patent

active

059612762

ABSTRACT:
The aggregate has a feed pump formed as a flow pump (10) comprising an impeller (12) rotating in a pump chamber (24) which has a peripheral rim of vanes (32) on respective opposite sides of the impeller which together with opposing side walls (26,28) bounding the pump chamber (24) form respective lateral feed ducts (44). The vanes (32) of the impeller (12) are connected with each other by an outer ring (36) at their outer radial ends. The outer ring (36) of the impeller (12) similarly has respective additional rims of additional vanes (101) on opposite sides thereof. Both additional vane rims are separated from each other by an annular separating member (102) placed between them in an axial direction. The additional vanes (101) are arranged in succession with equal spacing (e) in a rotation direction around the impeller and are shaped to optimize fluid flow. The additional vanes (101) of the outer ring (36) together with the opposing side walls (26,28) and/or the annular wall (30) form at least one arc-shaped flow duct (94) extending around a rotation axis (13) of the impeller (12) in which a pressure build-up occurs in a rotation direction (11) of the impeller (13).

REFERENCES:
patent: 5123809 (1992-06-01), Ito
patent: 5807068 (1998-09-01), Dobler et al.

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