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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
F01P11/14—Indicating devices; Other safety devices
F01P11/18—Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
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FR534766D1920-05-311921-05-02Dispositif de sécurité à signal d'alarme pour le contrôle de la circulation d'un fluide dans une canalisation
ExpiredFR534766A
(fr)
Dispositif d'admission dans une direction déterminée d'un couran fluide dans une canalisation et s'opposant automatiquement à la circulation du dit fluide en sens opposé
Dispositif indicateur de circulation de fluide dans une canalisation faisant office d'interrupteur pour appareil tributaire de cette circulation de fluide