Patent GB-190225731-A (GB)
Title: Improvements in or relating to Electro-mechanical Regulators.
Inventor: ROUTIN JOSEPH LOUIS
Filed: 1902-11-22
Granted: 1903-11-21
Abstract: 25,731. Routin, J. L. Nov. 22. Dynamos, regulating.-Relates to improvements o n the electromechanical regulators described in Specification No. 13,583, A.D. 1901. Fig. 1 shows a device for automatically operating the regulating-rheostat of the dynamo simultaneously with the regulator of the driving-motor, such as a turbine, steam engine, &c., while at the same time permitting of hand regulating according to the nature of the load. The screwed shaft j of the regulating-device of the motor is adjustable by a handle l, and carries a drum h having a spiral projection actuating a friction-wheel g, which turns a shaft x carrying the contact-brush d of the drum rheostat R. The latter may be turned by hand by means of the wheel c, screw b, and worm a. Figs. 2 and 4 show two methods of controlling, by the movement of the regulating- member of the motor, a device for mechanically altering the counteracting couple of the regulator. In Fig. 2, the rod 2 connected to the motor-regulating device is provided with a cam K on which bears a roller 3 carried by a lever S, pivoted at p<1> and acted on by a spring T. The lever S is connected by a spring 1 to the lever L, counterbalanced at P, of the regulator, the terminals of which are connected to the secondary of a transformer. In Fig. 4, the corresoonding regulator lever L is provided with a counterweight P, and with an annular float F dipping into mercury in a cup C carried by arms adapted to be raised and lowered by means of a guide K<1> connected with the motor regulator. Figs. 5 and 6 show two devices for controlling, by the movement of the regulating - member of the motor, a device for electrically altering the electromagnetic couple of the regulator. In Fig. 5, A represents an alternator, L', L', L<3> are the conductors connected with the outside circuit, E is the field winding of the exciter Q, which has in its circuit the rheostat 12 with a shifting contact v, M is an asynchronous motor arranged so that its armature may be maintained in equilibrium by the equipoise P at the end of the lever L, N is a transformer of which the primary circuits are connected in series with the conductors L<1>, L<2> , L<3>, and the secondary circuits are in series with the resistances U<1>, U<2> U<3>, having sliding contacts x<1>, x<2>, x<3>, between the terminals of the motor M. The contacts x<1>, x<2>, x<3>, and y are operated by the part V of the turbine motor 5. This valve is actuated from the lever L, by means of the slide valve 7 and pump H. In Fig. 6, the regulating-part V of the motor is made to act upon resistances 4 arranged in the circuits of a balanced armature t. The regulator itself is similar to that described in the former Specification, but the two windings may be arranged in series or in parallel, and may be combined or not with the compounding-transformer. Fig. 7 shows a simplified arrangement of the regulator for a continuous-current generator A, wherein the mains L', L<2> are in series with one winding of a solenoid S, the other winding being connected in parallel across the generator terminals. E is the excitation circuit, and 8 and U rheostats having contacts y, 9 connected to a weighted rod 10 forming the core of the solenoid and connected to the mechanism for regulating the motor.