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Priority to ES1971165802UpriorityCriticalpatent/ES165802Y/en
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Publication of ES165802YpublicationCriticalpatent/ES165802Y/en
Safety mechanism for electric motors, essentially characterized by being constituted by three relays whose corresponding contacts are connected to the inputs of the circuit breakers of the different phases of supply as well as to the outputs of the contactors, through auxiliary contacts in this case, having provided a fourth relay, provided with a manual pushbutton, which is connected to the two phases that are not directed towards the contact coil through the various contacts belonging to the aforementioned relays. (Machine-translation by Google Translate, not legally binding)
ES1971165802U1971-02-041971-02-04
SAFETY MECHANISM FOR ELECTRIC MOTORS.
ExpiredES165802Y
(en)
A procedure to regulate the operation of the motors of electric chigres of loading vessels (Machine-translation by Google Translate, not legally binding)