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  • [发明专利]US19780900668 _ TEMPLE UNIVERSITY 1978年04月27日
    A method and apparatus is provided for direct conversion of ocean wave energy into electric power. The apparatus has no moving parts, and uses wave motion to vary the pressure of hydrogen gas in one of the cavities of a two-cavity chamber. The resulti...
  • 2.
    [发明专利]JP19780104279U _ 1978年07月31日
  • [发明专利]FR19780035189 _ SPIE BATIGNOLLES 1978年12月14日
    <P>Centrale hydro-électrique, notamment de basse chute, comprenant une turbine 5a située dans un barrage 1 et reliée à une génératrice 24. </P><P>Le multiplicateur de vitesse 16a à renvoi d'angle à 90 degrés est logé avec la génératrice 24 dans une en...
  • [发明专利]DE19782827259 _ HARTMANN,KARL VON 1978年06月21日
    The generator has a shaft on a vertical axis. There is a cylindrical drum (4) at the top of the shaft with circular discs projecting from at top and bottom. The blades (3) project from the drum and are held between the upper and lower discs. Each blad...
  • [发明专利]WO1978US00067 _ FINLEY W 1978年08月21日
    L'eau riche en substances nutritives de la zone aphotique de l'ocean, zone qui commence normalement a environ 100 a 200 metres au-dessous de la surface de la mer, est desalifiee ou partiellement desalifiee in situ en utilisant des moyens d'electrodial...
  • [发明专利]US19780954081 _ 1978年10月24日
    A sail-type windmill providing high torque without limitations to size. Three sails are mounted to a frame for rotation about an axis generally parallel to the planes of the sails. In one version, the sails are flexible and sheets are provided for mou...
  • [发明专利]US19780886768 _ VOLKSWAGENWERK AKTIENGESELLSCHAFT 1978年03月15日
    A pump for fluid media having different temperatures. The pump has two chambers for the two media, respectively, each chamber having an inlet and an outlet each provided with a respective check valve. The chambers are separated by a displacement body ...
  • [发明专利]US19780935504 _ DIGGS, RICHARD E 1978年08月21日
    A guided flow wind power machine having inter-meshing tubular fan blades is disclosed. The device includes a main frame which is rotatively mounted to permit it to continuously face the wind directly. The main frame carries three separate power cells ...
  • [发明专利]US19780964171 _ CRIDER, WILLIAM A. 1978年11月28日
    A fluid driven rotary engine of the water wheel type comprising a spoked water wheel rotatably mounted on a hollow stationary axle and having a set of water collection containers supported on the outer ends of hollow hub-mounted wheel spokes. Water or...
  • [发明专利]US19780876217 _ LEBOST, BARRY A. 1978年02月09日
    A fluid turbine designed for increased power output including an annular housing provided with a semispherical dome for directing incoming fluid flow from a fluid source in an angular and downward direction to impinge simultaneously on a plurality of ...
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