초록 ▼

A vertical hot water storage tank with an access opening in its underside, for positioning an internal heating element in the tank, and connectors for the supply of cold water to the tank and for the egress of hot water therefrom, is in the form of a pressure tight cylindrical vessel. In order to si

A vertical hot water storage tank with an access opening in its underside, for positioning an internal heating element in the tank, and connectors for the supply of cold water to the tank and for the egress of hot water therefrom, is in the form of a pressure tight cylindrical vessel. In order to simplify the construction of the vessel, it is assembled from separate modular elements made of a plastics material, which are relatively adjustable to determine the capacity of the vessel and which are finally bonded together. The modular elements may comprise a pair of inter-fitting top and bottom lid elements, or top and bottom lid elements interfitting with a central tubular element. The capacity of the vessel may be determined prior to the bonding of the elements together, by the extent to which they overlap one another or by suitable dimensioning of the elements. A storage tank may comprise a plurality of such cylindrical vessels which are interconnected by way of upper and lower piping connections which communicate with the ends of the lid elements, for improved water circulation. The piping connections are in the form of tubular stub connectors which are mated with one another and are then bonded together.

대표청구항 ▼

A hot water storage tank having an upper side and an underside, an access opening in said underside for a heating element positioned within the tank, and cold water supply, and hot water outflow, connectors communicating with the interior of the tank, the tank comprising at least two juxtaposed, ver

A hot water storage tank having an upper side and an underside, an access opening in said underside for a heating element positioned within the tank, and cold water supply, and hot water outflow, connectors communicating with the interior of the tank, the tank comprising at least two juxtaposed, vertical, pressure tight, cylindrical vessels interconnected by way of upper and lower piping connections, the cylindrical vessels being assembled from separate telescopic modular elements of plastic material which are relatively adjustable to determine a desired capacity of the tank, whereby said telescopic modular elements are bonded together after said desired capacity has been determined, said modular elements comprising a tubular central element and upper and lower lid elements attachable to the top and bottom, respectively, of said central element in overlapping relationship therewith, said piping connections communicating with said lid elements at apices thereof and said access opening, which is provided in a lower lid element, tapering outwardly thereof for the insertion of the heating element into said opening and securing it therein.