Assembly for feeding fuel out of a supply tank to the internal c

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump

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F01D 112

Patent

active

055778801

ABSTRACT:
The feed assembly (14) has a feed pump (20) with a vane wheel (24) rotating in a pump chamber (30). The pump chamber (30) is delimited in the direction of the axis of rotation (25) of the vane wheel (24) by two walls (32, 34) , one wall (32) of which is arranged in a stationary manner. The other wall (34) is guided movably in the direction of the axis of rotation (25) in a cylindrical wall portion (50) and, on its end face facing away from the vane wheel (24), is loaded at least in regions by the feed pressure prevailing on the delivery side of the feed pump (20). When the feed assembly (14) is in Operation, there acts on the movable wall (34) a pressure force which presses this against the vane wheel (24) and the latter against the stationary wall (32), so that the vane wheel (24) is arranged in the pump chamber (30) without axial play in the direction of the axis of rotation (25). Jamming of the vane wheel (24) is not possible, since the movable wall (34) can shift in the direction of the axis of rotation (25).

REFERENCES:
patent: 5039284 (1991-08-01), Talaski

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