Turbine fuel pump

Details Turbine fuel pump Turbine fuel pump

2007-01-09

2007-01-09

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

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

Turbine regenerative pump

C418S228000, C418S237000, C418S238000

Reexamination Certificate

active

11377314

ABSTRACT:
A turbine fuel pump including a cylindrical casing, an electric motor accommodated in the casing, a pump housing mounted into the casing, and an impeller disposed within the pump housing and driven around an axis in a rotational direction by the electric motor. The impeller includes a plurality of vanes each formed into a generally rectangular plate including a tip end face that extends circumferentially to define an outer peripheral surface of the impeller, and front and rear faces respectively located on forward and rearward sides in the rotational direction of the impeller. The front face is curved such that a tip end portion thereof is positioned forwardly in the rotational direction of the impeller relative to a root portion thereof. A chamfer portion is disposed between the tip end face and a tip end portion of the front face.

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