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Éolienne Bollée
The Éolienne Bollée is an unusual wind turbine, unique for having a stator and a rotor, as a water turbine has. The eponymous invention was first patented in 1868 by Ernest Sylvain Bollée in France. A further patent dated 1885 differed mainly in two ways: First, in how the turbine was turned to face the wind and second, in an improvement which increased the flow of wind through the turbine was added. The turbines built according to the 1885 patent were commercially successful.〔The Eolienne Bollée〕
==The windpump business==
Ernest Sylvain Bollée (July 19, 1814 – 1891) and Auguste Sylvain Bollée (1847–1906) took out the original patent No. 79985 in 1868 for a "hydraulic wind engine". Ernest Bollée described himself as a hydraulic engineer in Le Mans, Sarthe. During the 1860s, due to poor health, Ernest delegated control of the three parts of his business to each of his sons. Auguste was given control of the wind engine manufacturing side of the business. The patent of 1885, with the improvements, is No.167726. In 1898 Auguste sold the business to Édouard-Émile Lebert. Auguste is estimated to have made about 260 Éoliennes.〔 〕 Lebert passed the business to Gaston Duplay in 1918 and on 1 January 1926 the business passed to the Société Anonyme des Éoliennes Bollée (SAEB). SAEB erected at least three éoliennes. Operations seem to have ceased around 1931.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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