Electricity as a motive power, by count T. du Moncel and F. Geraldy, tr. and ed. by C.J. Wharton |
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Resultat 1-5 av 61
Side 5
... commutators were very favour- able to the development of induced currents in the coils which acted in a contrary direction to the cur- rent transmitted ; that magnetisation and demagneti- sation took place sluggishly in electro ...
... commutators were very favour- able to the development of induced currents in the coils which acted in a contrary direction to the cur- rent transmitted ; that magnetisation and demagneti- sation took place sluggishly in electro ...
Side 7
... commutator , which before each electro - magnetic action closes the circuit , and opens it after the effect is produced . This problem may be directly solved by attaching to an axis a series of armatures , arranged like the blades of a ...
... commutator , which before each electro - magnetic action closes the circuit , and opens it after the effect is produced . This problem may be directly solved by attaching to an axis a series of armatures , arranged like the blades of a ...
Side 29
... commutators are more quickly deteriorated . This is evidently a question to be left to the judgment of the con- structor , but the best way is to use wires of 1 to 2 millimetres in diameter for the electro - magnetic coils . MEANS ...
... commutators are more quickly deteriorated . This is evidently a question to be left to the judgment of the con- structor , but the best way is to use wires of 1 to 2 millimetres in diameter for the electro - magnetic coils . MEANS ...
Side 30
... commutator , ac- cording as the effect is simple or accompanied by a reversal of the magnetisation . The question is ... commutator is soon rendered useless . Where contact is made by hand and the current of low intensity , it will be ...
... commutator , ac- cording as the effect is simple or accompanied by a reversal of the magnetisation . The question is ... commutator is soon rendered useless . Where contact is made by hand and the current of low intensity , it will be ...
Side 31
... commutator , and in consequence , instead of making the commutator of two single pieces of metal , a number are employed , connected to the con- ductor of the current by means of ramifications , which should have about the same ...
... commutator , and in consequence , instead of making the commutator of two single pieces of metal , a number are employed , connected to the con- ductor of the current by means of ramifications , which should have about the same ...
Vanlige uttrykk og setninger
Académie des Sciences acting action apparatus applied armature arrangement attractive force axis battery bobbin brake brushes Bunsen cells centimetres circular cloth commutator conductor constructed copper core crank crown 8vo cylinder described developed diameter direction distance dynamo edition effects electric current electro-magnets electromotive force employed Engineers experiments exterior circuit fixed Froment furnished give Gramme machine heat horse-power increase induction inductor insulated intensity inventor kilogrammes kilogrammetres length lever locomotive magnetic core magnetic field magnetising magnetising coils Marcel Deprez means mechanical ment metal metres Miesbach millimetres motion motive power motor movable movement necessary obtained pieces plates poles principle produced proportion quantity rails railway receiver residual magnetism resistance reversed revolving ring rods rotary rotation seen shaft shown in Fig Siemens similar soft iron solenoid speed Steam steam-engine stroke tension tion transport of force Treatise tricity Trouvé tube turn utilised wheel wire zinc
Populære avsnitt
Side 318 - A Descriptive Treatise on Mathematical Drawing Instruments : their construction, uses, qualities, selection, preservation, and suggestions for improvements, with hints upon Drawing and Colouring. By WF STANLEY, MRI Fifth edition, with numerous illustrations, crown 8vo, cloth, 5-?. Spons' Architects and Builders Pocket-Book of Prices and Memoranda.