Patent ID: 9353724
Filing Date: 2016-05-31
CPC Classification: E03D,F03B,F05B,H02K,Y02E

Claim Text:
1. A generator comprising: an upper housing and a lower housing; a water inlet and a water outlet provided in the upper housing; an impeller rotatably fixed inside the upper housing; a magnet provided in the lower housing, connected to a rotating shaft of the impeller, and rotated integrally with the impeller; and a bobbin positioned outside the magnet, wherein a through-hole through which the rotating shaft passes is formed in the upper housing to have a larger diameter than the rotating shaft, wherein water flows from a space for housing the impeller into a space of a lower housing for housing the magnet, through a gap between the through-hole and the rotating shaft, and wherein the bobbin is formed integrally in the lower housing by injection molding.