Condensate drainage device for a condensing boiler, with hydrostatic sealing gasket made of EVA

A condensate drain 1 for a condensing boiler comprises a container 2 housing a float (3, figure 3). The container has a tapered side wall 21, a cap 4 including at least one inlet 5, and a condensate outlet 23 having a cusp-shaped raised edge 25. The float has an inner cavity 34 enclosed by a lid 33,...

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Bibliographische Detailangaben
Hauptverfasser:	Massimo Antonio Rossi, Luigi Rigamonti, Angelo Rigamonti
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING RANGES STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROMENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS THERMAL INSULATION IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A condensate drain 1 for a condensing boiler comprises a container 2 housing a float (3, figure 3). The container has a tapered side wall 21, a cap 4 including at least one inlet 5, and a condensate outlet 23 having a cusp-shaped raised edge 25. The float has an inner cavity 34 enclosed by a lid 33, side wall 21, and a bottom including an elastic ring 38 made of ethylene vinyl acetate (EVA) material. The float also has guiding ribs 35. When the float is in a first position, engagement of the raised edge with the elastic ring seals the condensate outlet. When the float is moved to a second position, such as by buoyancy when sufficient condensate gathers within the container, the elastic ring is spaced from the raised edge permitting condensate to discharge through the condensate outlet.