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Priority to ES1972180736UpriorityCriticalpatent/ES180736Y/en
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Publication of ES180736YpublicationCriticalpatent/ES180736Y/en
Alarm device for gases, characterized in that it has a chamber connected to the outlet of the gas tank, divided into two parts, one upper and one lower, by means of a concavo-convex membrane or diaphragm, on the first of the which with communication to the outside acts the atmospheric pressure, and on the other the pressure of the gases contained in the tank to which it is applied; said chamber will be closed at the top by a lid in whose center it appears oradada, and through whose orifice protrudes a pivot with a terminal contact point, and its lower part due to its widening, is more or less in contact with the membrane or diaphragm . (Machine-translation by Google Translate, not legally binding)
ES1972180736U1972-05-241972-05-24
ALARM APPARATUS FOR GASES.
ExpiredES180736Y
(en)
Pneumoelectric apparatus for control and signalization of levels and pressures in liquids. (Machine-translation by Google Translate, not legally binding)
Closed expansion vessel, with gaseous pneumatic chamber, applicable in closed circuits of heating, water heaters and analogs. (Machine-translation by Google Translate, not legally binding)