Device for concentrating solar radiation

Details Device for concentrating solar radiation Device for concentrating solar radiation

1995-12-20

1997-04-01

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126578, F24J 238

Patent

active

056169132

ABSTRACT:
Solar radiation is concentrated onto an absorber which includes a concentrator element. The concentrator element concentrates incident solar radiation in a focal spot on the absorber to obtain a measurable variable which reliably characterizes the alignment of the concentrator element on the sun. The variable is independent of variations in the apparent position of the sun, weather influences, thermal expansion, and play in the suspension of the concentrator element. The device measures the flux density of the solar radiation in the region of the focal spot using an inlet opening, through which part of the solar radiation passes, a diffuser for reducing the flux density of the solar radiation, and a detector for measuring the flux density which is reduced by the diffuser.

REFERENCES:
patent: 4013885 (1977-03-01), Blitz
patent: 4442348 (1984-04-01), Snyder
patent: 5253637 (1993-10-01), Maiden

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