REVIEW OF WAVE CONVERTERS & PATENTS
POINT ABSORBER - BUOY ON SPAR WAVE CONVERTER TYPE
This point absorber system is also known as "Donut on a stick" and consists of a floating structure which absorbs energy from all directions through its movements at/near the water surface. It converts the motion of the float relative to the base, which is a spar pole float and may use a heave plate and / or a 2nd counter acting float, into a useable power form. The power take-off system may be: high speed rotary generator, linear generator, liquid and air pump or turbine.
Patents show off shore systems with Pump, Rotary and Linear Generator PTO devices
With Direct Pump:
With Rotary: 1897
With Linear Generator:
NOTE: to view a complete patent:
1. Open Google, search for "Google Patent Search",
2. Open this search sub-set & type in Patent Number, or Inventor Name, or General Descriptive Words and a Date, etc.
PATENT EXAMPLES OF THIS TYPE