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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/01—Control of temperature without auxiliary power
G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
G05D23/024—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being of the rod type, tube type, or of a similar type
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FR659989D1928-09-051928-09-05Robinet pour canalisation de fluide de chauffage, tel que vapeur ou eau chaude
ExpiredFR659989A
(fr)
Perfectionnements aux installations utilisant de l'eau chaude ou un autre liquide, telles que par exemple les installations de chauffage des immeubles