Water heater bottom insulation member
AssigneeGSW Inc.
InventorBrian Lewis
Life of this patent
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Abstract
A rigid insulation member fits internally at the bottom end of a water heater having an inner tank with an upwardly concave base and an outer shell separated by an insulation gap from the inner tank. The insulation member has a one piece construction comprising an upwardly convex center portion which mates with the concave base of the inner tank, a peripheral ring which spans the insulation gap and an annular channel between the center portion and the peripheral ring which seats the inner tank of the water heater.
Claims11
A rigid insulation member made from a heat insulating material for fitting internally at the bottom end of a water heater having an inner tank with an upwardly concave base and an outer shell separated by an insulation gap from said inner tank, said insulation member having a one piece construction comprising an upwardly convex center portion for mating with the concave base of the inner tank, a peripheral ring for spanning the insulation gap and an annular channel between said center portion and said peripheral ring for seating the inner tank of the water heater.
A water heater comprising an outer shell including a shell wall and a shell bottom, an inner tank having a lower supporting edge and an upwardly concave base surrounded by said supporting edge, said inner tank being radially spaced from said shell wall by an insulation gap, and a bottom insulation member internally of said water heater, said insulation member comprising a body of rigid insulation material formed with an upwardly convex center portion mating with said concave base of said inner tank, a peripheral ring spanning said insulation gap and an annular channel between said peripheral ring and said center portion, said lower supporting edge of said inner tank being seated in said annular channel of said insulation member above said shell bottom of said outer shell.
A rigid insulation member made from a heat insulating material for fitting internally at the bottom end of a water heater having an inner tank with an upwardly concave base and an outer shell separated by an insulation gap from said inner tank, said insulation member having a one piece construction comprising a tall centre portion for fitting up into the concave base of the inner tank, a peripheral ring for spanning the insulation gap and an annular channel between said centre portion and said peripheral ring for seating the inner tank of the water heater.
Dependencies are inferred from the claim text.