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  • [发明专利]GB19210002927 _ WILLIAM ALFRED DAWSON GEORGE DAWSON WALTER CLARK 1921年01月24日
    177,641. Dawson, W. A., Dawson, G., and Clark, W. Jan. 24, 1921. Self-driving machines.-A self-driving motor of the unbalanced-wheel type comprises a wheel a free to revolve round a centre shaft f, Fig. 1, actuated by weights d which are placed in slo...
  • [发明专利]GB19210001285 _ VICTOR KAPLAN 1921年01月10日
    157,368. Kaplan, V. Sept. 15, 1916, [Convention date]. Drawings to Specification. Axial-flow type; blades.-In an axial-flow turbine of the type described in Specification 17588/14, the depth of at least the outer part of the rotor blades, measured in ...
  • [发明专利]GB19210025032 _ WILLIAM JOHN REES 1921年09月21日
    187,116. Rees, W. J. Sept. 21, 1921. Self-driving machines.-A self-driving gravity motor is operated by one or more pairs of weights .1 which are raised and allowed to fall by an equal number of pairs of balanced levers 19 which are locked in the limi...
  • [发明专利]GB19210017178 _ CHRISTOPH LEFFLER 1921年06月23日
    174,562. Leffler, C. Jan. 24, 1921, [Convention date]. Addition to 165,101. Regulating.-Consists in alternative mechanisms for disconnecting the closing apparatus of the turbine guide-vanes from the driven shaft just prior to the completion of the clo...
  • [发明专利]GB19210033158 _ IGNAZ STOREK 1921年12月09日
    172,650. Storek, I. [Firm of]. Dec. 10, 1920, [Convention date]. Regulating.-In a water turbine wheel h a v i n g adjustable blades 1, a packing such as 2 or 3 is inserted between the shank of the blade and its bearing to prevent ingress of water.
  • [发明专利]GB19210013835 _ OSBORNE HAVELOCK PARSONS 1921年05月17日
    175,928. Parsons, O. H. May 17, 1921. Wave energy, utilizing.-Mechanism whereby the rolling motion of a boat &c. may be utilized for generating power for propelling a boat comprises three parallel A-shaped frames connected by a spacing-bar 15 and supp...
  • [发明专利]GB19210014250 _ JOHN ISAAC THORNYCROFT 1921年05月21日
    184,885. Thornycroft, Sir J. I. May 21, 1921. Screw-motors. - Comprises a feathering vane n hinged at o to an oscillating vane support consisting of two masts a, d with a weight j to hold the masts normally in a vertical plane. The support is mounted ...
  • [发明专利]GB19210005241 _ GUSTAF HADAR LIND 1921年02月15日
    175,192. Lind, G. H. Feb. 15, 1921. Working-fluid supply. - In tidal turbines operated by the alternate flow of water through inlets 3, 2 corresponding to high and low water conditions respectively, the exhaust water is directed in an efficient manner...
  • [发明专利]GB19210029048 _ HARVEY BIRCHARD TAYLOR 1921年11月01日
    171,982. Taylor, H. B. Nov. 20, 1920, [Convention date]. Axial-flow type; balancing moving parts; blades and nozzles; regulating; working-fluid supply.-In a high-speed hydraulic impulse turbine the jet of the water supplied to the rotor buckets B is i...
  • [发明专利]GB19210032792 _ TINSLEY 1921年12月07日
    193,187. Billing, P. E. Dec. 7, 1921. Clutches, free wheel.-Intermittent rotary motion is conveyed to a disc 1 from an oscillating sector loosely mounted on the same centre as the disc by means of a friction ratchet comprising a loose ball 31 adapted ...
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