Patent ID: 6503057
Filing Date: 2003-01-07
Classification: F04D

Abstract:
A spiral fluted wheel for a water pump, and the spiral fluted wheel comprising:a first plate (10) having a lock hole (110) defined in a center of the first plate (10), and a periphery defining the lock hole (110) adapted to be firmly secured on a rotating device; a second plate (20) corresponding to the first plate (10) and having an inlet aperture (220) defined in a center of the second plate (20) for entry of water into the spiral fluted wheel; and multiple individual spiral impellers (30) sandwiched between the first plate (10) and the second plate (20), each spiral impeller (30) having a spiral channel (300) defined thereby and two flanges (31, 32) laterally extending and complementary engaged to another flange of an adjacent spiral impeller (30), whereby when the spiral fluted wheel rotates and water travels into the spiral fluted wheel via the inlet aperture and is centrifugally driven outwardly along the spiral channels (300).