Abstract: The present invention relates to a blade pitch control apparatus for a small size wind power generator. More specifically, the present invention relates to a blade pitch control apparatus for a small size wind power generator configured to accomplish continuous generation by continuously maintaining the necessary rotating force of the blade by systematically operating the ball screw, spinner driver, and pitch angle controller when the rotation number of blades exceeds the reference rotation number by over wind speed, so that the blade pitch is automatically controlled.

Abstract: The present invention relates to a blade pitch control apparatus for a small size wind power generator. More specifically, the present invention relates to a blade pitch control apparatus for a small size wind power generator configured to accomplish continuous generation by continuously maintaining the necessary rotating force of the blade by systematically operating the ball screw, spinner driver, and pitch angle controller when the rotation number of blades exceeds the reference rotation number by over wind speed, so that the blade pitch is automatically controlled.

Abstract: Disclosed is a blade pitch controller for a small-scale wind power generation system. Movable segments are integrally formed on an outer circumferential surface of the movable block, have moving grooves, and move backward and forward along with the movable block. Pitch adjustment pieces have adjustment pins formed at one end of each thereof, key grooves into which blade shafts are fixedly inserted are formed in the middles thereof, and pitch angles of blades are changed by angles changed when the movable block moves backward and forward. Pitch adjustment cylinders are coupled to fixing pieces formed at one end of each of the pitch adjustment pieces by hinges so as to be able to be located near the adjustment pins, are compressed when the movable block moves backward, and cause the pitch adjustment pieces to return to an original state after being compressed.

Abstract: An electricity generating apparatus connected to a diffuser for purifying the quality of water in an area generates electricity while being operated by bubbles and the buoyancy of a water stream, generated in the diffuser, and thus supplies the produced electricity to the diffuser, so that the diffuser can purify the quality of water. The apparatus includes: a turbine shaft installed in a vertical direction; a cylindrical turbine including supports, one end connected with the turbine shaft, and an internal fixed plate and an external fixed plate being formed; turbine blades, formed between the internal fixed plate and the external fixed plate; and a generator, connected with a driving gear formed at an upper end of the turbine shaft, for generates electricity when the turbine shaft is rotated.

Abstract: An ozone oxidizing apparatus in which, after fine air bubbles are distributed in a fluid (a waste water) delivered together with air to increase a dissolvable oxygen concentration, when ozone evenly contacts a contaminant of the fluid, oxidation is maximized by virtue of the instantaneous catalytic action of the oxygen air bubbles, thereby effectively removing the contaminant contained in the fluid.

Abstract: An ozone oxidizing apparatus in which, after fine air bubbles are distributed in a fluid (a waste water) delivered together with air to increase a dissolvable oxygen concentration, when ozone evenly contacts a contaminant of the fluid, oxidation is maximized by virtue of the instantaneous catalytic action of the oxygen air bubbles, thereby effectively removing the contaminant contained in the fluid.