Patent ID: 11873843
Assignee: KASCO MARINE, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B | IPC F

Claim 6:
7. A pump comprising:
a drive motor unit with a rotatable drive shaft;
an axial flow propeller fixed to the rotatable driveshaft, the axial flow propeller includes propeller blades;
an axial flow propeller guard, the axial flow propeller guard includes:
a center hub having a first end, a second end, and an outer surface extending from the first end to the second end;
the center hub extends longitudinally from the first end to the second end;
in a side view from a radial direction of the axial flow propeller, the center hub does not overlap the propeller blades of the axial flow propeller;
a plurality of vanes, portions of the vanes surround the axial flow propeller, each vane having a radially inner end attached to the outer surface of the center hub, a radially outward facing edge spaced a distance from the center hub, a top edge, a bottom, a first side surface and a second side surface;
the vanes are circumferentially spaced from each other about the center hub, and
at least a portion of the radially outward facing edge of each vane at an outlet end thereof slopes toward a longitudinal axis of the central hub.