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1. EP2374158 - ROTATING PHOTOVOLTAIC CELLS

Office European Patent Office
Application Number 09836745
Application Date 09.12.2009
Publication Number 2374158
Publication Date 12.10.2011
Publication Kind B1
IPC
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
042
including a panel or array of photoelectric cells, e.g. solar cells
052
with cooling, light-reflecting or light- concentrating means
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
042
including a panel or array of photoelectric cells, e.g. solar cells
H01L 31/052
H01L 31/042
CPC
H01L 31/0521
H02S 20/00
H02S 40/425
Y02A 40/966
Y02E 10/50
Applicants LEE WILLIAM EDWARD
PIENKOWSKI ROBERT F
Inventors LEE WILLIAM EDWARD
PIENKOWSKI ROBERT F
Designated States
Priority Data 12111508 09.12.2008 US
2009067232 09.12.2009 US
12633109 08.12.2009 US
Title
(DE) PHOTOVOLTAISCHE ROTATIONSZELLEN
(EN) ROTATING PHOTOVOLTAIC CELLS
(FR) CELLULES PHOTOVOLTAÏQUES ROTATIVES
Abstract
(EN)
An apparatus is provided that comprises photovoltaic cells provided on a first rotatable member, an electric motor having an axial shaft, and a second rotatable member provided with an impeller. The photovoltaic cells capture and convert the solar energy into electrical energy. The electric motor is connected to and is in electric communication with the photovoltaic cells for powering the electric motor. The electric motor converts the electrical energy into mechanical energy for rotating the photovoltaic cells in a first direction about a central axis and for rotating the axial shaft connected to an impeller in a second direction about the central axis. The rotating axial shaft rotates the impeller at high revolutions per minute which generates a flow of air that is directed to the rotating photovoltaic cells on the first rotatable member. The photovoltaic cells are cooled by the air-flow and operate at a lower temperature.

(FR)
L'invention porte sur un appareil comprenant des cellules photovoltaïques disposées sur un premier élément rotatif, un moteur électrique comportant un arbre axial, et un second élément rotatif comportant une roue. Les cellules photovoltaïques capturent et convertissent l'énergie solaire en énergie électrique. Le moteur électrique est relié aux cellules photovoltaïques et est en communication avec celles-ci afin d'alimenter le moteur électrique. Le moteur électrique convertit l'énergie électrique en énergie mécanique, pour la rotation des cellules photovoltaïques dans une première direction autour d'un axe central et pour la rotation de l'arbre axial relié à une roue dans une seconde direction autour de l'axe central. L'arbre axial en rotation fait tourner la roue à un nombre de tours/minute élevé, générant un écoulement d'air dirigé vers les cellules photovoltaïques rotatives sur le premier élément rotatif. Les cellules photovoltaïques sont refroidies par l'écoulement d'air et fonctionnent à basse température.