Patent ID: 6659713
Filing Date: 2003-12-09
Classification: F04D,F05B

Abstract:
A fluid pump comprising:an impeller having a first axial side and a second axial side opposite of the first axial side, wherein blade grooves are defined on the first and second axial sides along the perimeter of the impeller, and a pump housing rotatably supporting and enclosing the impeller, the pump housing comprising: an inlet port that faces the first axial side of the impeller, an outlet port that faces the second axial side of the impeller, the impeller being disposed between the inlet port and the outlet port, a pump channel extending between the inlet port and the outlet port along a traveling path of the blade grooves, the pump channel including a first pump channel that faces the first axial side of the impeller and a second pump channel that faces the second axial side of the impeller, and a partition disposed between the inlet port and the outlet port, wherein a terminal end of the outlet port is located at a position displaced from a terminal end of the first pump channel relative to the axis of rotation of the impeller by between 25Â° to 60Â° in the rotational direction of the impeller.