Water heater with skirt ring dam

A hot water heater (40) has an inner storage tank (2), a lower skirt ring (42, 60, 74, 84, 110, 116) supporting and spacing the tank above a support surface (10a), and an outer jacket (46, 66, 80, 90, 98, 104, 122) around the inner storage tank and spaced outwardly therefrom to define an annular cav...

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Bibliographische Detailangaben
Hauptverfasser:	LEMENSE, RODNEY A
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING RANGES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A hot water heater (40) has an inner storage tank (2), a lower skirt ring (42, 60, 74, 84, 110, 116) supporting and spacing the tank above a support surface (10a), and an outer jacket (46, 66, 80, 90, 98, 104, 122) around the inner storage tank and spaced outwardly therefrom to define an annular cavity space (22) therebetween. The skirt ring mates with the outer jacket and forms a dam sealing the annular space. Foamed insulation introduced as a liquid into the annular space hardens to form an annular insulation layer (13) around the inner storage tank. The dam prevents leakage of liquid therepast. Inwardly and outwardly extending skirt ring flanges (44, 62, 78, 88, 114, 120) are disclosed, together with various outer jacket constructions (46, 66, 80, 90, 98, 104, 122), including turned lower end flanges (52, 102, 108), and straight lower ends (68, 81, 92, 126).