| 摘要 |
An annular windmill with a built-in generator is provided. The windmill includes: a rotating body (2) engaged with a fixed horizontal axis (3), positioned on a main support body (1) and rotatably engaged with the main support body (1); a wind rudder mounted on a rear end of the fixed horizontal axis if necessary; an annular body (4) engaged with and secured in a front end of the fixed horizontal axis; a rotating generator disposed within the annular body (4) and fit to and engaged with the fixed horizontal axis (3); a generator support plate (5) put on both surfaces of the annular body (4) and then fastened by bolts and nuts to form the annular body (4), the generator, and the generator support plate (5) as one element; bearing built-in bosses (6) engaged with the respective generator support plates (5) to form an integrated annular body (4) that does not deviate when the annular body rotates; an attack angle i.e., exposed wind angle) type fixation support plate (B) set with an attack angle of about (6) degree and fixed on an outer circumferential surface of the integrated annular body (4) at every 30 degree interval; and a blade (8) with a wing support lead (14) inserted and engaged with each of twelve attack angle type fixation support plates B) by means of bolts and nuts. |
