RADIANT ENERGY COLLECTION DEVICE Russian patent published in 1999 - IPC

FIELD: solar power collection and concentration. SUBSTANCE: device has primary parabolic reflector 16 which focuses sun rays on focus line 18 and has main axle passing through focus line 18. Device also includes secondary concentrating unit 20 adjacent to focus line 18 of primary reflector 16. Secondary concentrating unit 20 includes pair of flat reflectors 26 positioned on opposite sides of main axle 17 of primary reflector 16 and number of secondary parabolic reflectors 28 installed between flat reflectors 26. Secondary parabolic reflectors 28 have focus lines 29 normal to flat reflectors 26 and to main axle 17 of primary reflector 16. Secondary reflectors 28 are mounted for rotation around their focus lines 29. They concentrate energy on target 42 passing along their focus line 29. EFFECT: enhanced efficiency. 21 cl, 11 dwg