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ALPHONSE DUBREUIL
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ALPHONSE DUBREUIL
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Application filed by ALPHONSE DUBREUILfiledCriticalALPHONSE DUBREUIL
Application grantedgrantedCritical
Publication of FR436799ApublicationCriticalpatent/FR436799A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR436799D1911-11-081911-11-08Dispositif avertisseur enregistreur de signaux d'arret franchis par les trains avec manoeuvre automatique des freins
ExpiredFR436799A
(fr)