Water wave power generating apparatus

A water wave power generating apparatus comprising:

• a power generating device including a frame unit, an impeller assembly which is pivotally mounted on said frame unit, and a power generating unit which is coupled with said impeller assembly to convert a wave generated torque of said impeller assembly into electric power;
• two buoyant devices respectively and swingably disposed at two sides of said power generating device, each of said buoyant devices including a pivot end portion which is pivotally mounted on said frame unit, a swing end portion which is opposite to said pivot end portion, and a plurality of buoyant boards which are interposed between and interconnecting said pivot end portion and said swing end portion;
• and
• a control device operable to shift said swing end portions of said two buoyant devices between a spread state where said swing end portions are remote from each other, and a close state where said swing end portions are close to each other, said control device including a pontoon which is positioned opposite relative to said frame unit, a primary electric cable winder which is mounted on said pontoon, a primary transmitting cable which is driven by and wound around said primary electric cable winder, and two lateral transmitting units each of which interconnects said primary transmitting cable and said swing end portion of a respective one of said buoyant devices, said two lateral transmitting units intersecting at an end of said primary transmitting cable to define an angle which is varied when winding of said primary transmitting cable by said primary electric cable winder to shift said swing end portions of said buoyant devices between the spread state and the close state through said lateral transmitting units.