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Harold Williamson Lake
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Publication of GB190607418ApublicationCriticalpatent/GB190607418A/en
7418. Lake, H. W., [Soc. Anon. Italiana Gio Ansaldo Armstrong & Co.]. March 27. Motor-control systems.-The armatures of motors are connected directly to the generator armatures without intermediate regulating - resistances, and the speed of the motors is controlled within wide limits by varying the excitation of the generators and motors. The generator or generators b, b<1> are driven at constant speed by a steamengine or by an electric motor a<1>, and the excitation of the fields el, e<2>, e<3>, e<4> varied by rheostats g, g<1>. The fields of the motors c, c<1> may be connected in series. [Reference has been directed under Patents Act, 1902, to Specifications Nos. 5213 and 5214, A.D. 1904, and No. 4504, A.D. 1905.]
GB190607418D1906-03-271906-03-27Improvements relating to the Controlling of Electric Motors.
ExpiredGB190607418A
(en)
Improvements relating to the Automatic Regulation of Continuous Current Electro-motors used for Driving Variably or Intermittently Working Machines, such as Rolling Mills and the like
Improved Means, in connection with Electric Circuits, for Altering the Difference of Potential of Two Points of a Circuit between which a practically Constant Current has to Flow.