Matches 1 - 50 out of 98 1 2 >
Match Document Document Title
7380524 Water heater chamber wrap  
The present invention relates generally to an insulation wrap for a water heater tank including a strip of nonflammable fibrous material having an opening therein and a fibrous material element...
7013841 Differently configured fuel-fired water heaters constructed from identical production platforms  
A specially configured fuel-fired water heater production platform may be used as a natural draft water heater. Alternatively, by modifying an upper end portion of the production platform using...
6941899 Annular foam seal  
A water heater includes a tank and a jacket surrounding the tank. Between the tank and jacket is defined an annular space in which a seal is positioned. The seal extends between the tank and the...
6941898 Combined liquid foam stop and insulator for a tank assembly  
The present invention relates to a combined liquid foam stop and insulator for a tank assembly including a fibrous material strip and a nonflammable insulating skirt connected to the fibrous...
6895902 Water heater with a flame arrester  
A water heater is arranged with the hot water storage chamber R 1 at the top and the combustion chamber R 2 at the bottom within the body 11 which is a container. The combustion chamber R 2 is...
6886500 Gas fed water-heater  
The present invention relates to a gas fed water-heater comprising a double wall container ( 1 ) inside which a burner ( 2 ) and a tank ( 3 ) of the water to be heated are arranged. At least in the...
6885816 Water heater apparatus and associated manufacturing and insulation methods  
A foam dam in the insulation cavity of an electric water heater comprises a plastic bag into which liquid foam insulation is injected, the bag having an essentially closed top edge portion with...
6857396 Heating device for hydrogen storage canister  
A heating device for a container in which a hydrogen storage canister is disposed. The hydrogen storage canister supplies hydrogen to a fuel cell including a discharge port, and the heating device...
6807925 Explosion-proof hot water heater with unsealed fuel combustion chamber  
An explosion-proof hot water heater of the type having a gas-fired combustion chamber at a lower end of the inner tank is described. The combustion chamber is an unsealed chamber and has a sealed...
6715451 Fuel-fired heating appliance with combustion air shutoff system having frangible temperature sensing structure  
A gas-fired water heater has a combustion chamber with a bottom wall defined by a perforated flame arrestor plate forming a portion of a flow path through which combustion air may be supplied to a...
6698386 Water heater  
An improved gas-fired water heater is disclosed which comprises a sealed cylindrical shell extending from the base of the water tank to the top, enclosing the burners and controls so as to shield...
6666174 Elevating base for gas-fired water heater  
A base for rendering a gas-fired water heater, having a lower combustion chamber, explosion-proof, is described. The base has elevating supports which are provided with securement means in an upper...
6612268 Hot-water appliance with vacuum insulation, to be connected to the water main  
A hot-water appliance capable of resisting at least the pressure of the public water supply system, comprising at least one hot-water vessel with a supply conduit connectable to the public water...
6595431 Exhaust heat trap and redirecting system  
An exhaust heat trap and redirecting system for utilizing exhaust heat includes an electric generator including an internal combustion engine. The electric generator is electrically coupled to an...
6588378 Water heater bottom pad/foam dam apparatus with integrated tank support members  
A water heater is provided with a specially designed molded bottom pad/foam dam member formed from a crushable material, such as polystyrene, which is received in a metal bottom pan and has...
6578531 Gas appliance with flash suppressor  
A water heater having a barrier for forming an enclosure around a lower portion of heater. The barrier has an inside wall, an outside wall and a space between the inside and outside walls. There is...
6578530 Apparatus and method for feeding air to a water heater  
Combustible vapors from flammable materials spilled near a gas water heater can enter the water heater's combustion chamber and cause a serious fire or explosion. This problem can be avoided by...
6575121 Housing for a hot water system  
A prefabricated housing for an external hot water system located adjacent a house wall or the like is disclosed which has walling members including two side walls and a front wall, a roof,...
6517344 Gas supply coupling for water heater  
A gas supply coupling for a water heater incorporating a shield to close the opening to the combustion chamber. The coupling includes a supply tube, a connector extending through the shield and a...
6499439 Modular stamped sight glass assembly  
A sight glass assembly for a water heater flame trap and a method of making same is disclosed. A rectangular-shaped sight glass frame casing being comprised of a thin metal plate further comprising...
6439171 Inner door/burner assembly for fuel-fired water heater  
An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and...
6427637 Steam generator with at least partially double-walled evaporation tank  
The invention relates to a steam generator comprising an evaporation tank and several heating elements ( 2 ). The evaporation tank consists of an evaporation vessel ( 1 ) and a removable limescale...
6412448 Water heater construction  
A flexible, water impervious liner is fitted in a rigid outer shell. The shell has an open top with a peripheral flange over which a top lip of the liner is fitted. A separate top plate attaches to...
6371057 Adjustable mount for a gas control valve of a water heater  
A fitting for connecting a gas control valve to a water storage tank of a gas water heater comprising a base member having an elongated opening sized and shaped to receive a mating locator attached...
6318304 Water heater  
The water heater includes a water tank, a burner below the tank, a casing around the outside surface of the tank and spaced therefrom so as to define a flue path within the casing and along the...
6309209 Flash suppressor for hot water heater  
A flash suppressor for surrounding a gas-fired appliance, comprising a barrier for forming an enclosure around a lower portion of the appliance. The barrier has an inside wall, an outside wall and...
6302062 Sealed access assembly for water heaters  
A water heater including a water container; a combustion chamber containing a main burner and a pilot burner positioned to heat water in the water container and having a side wall; a main burner...
6237544 Water heater and gas burner  
A water heater includes a tank 10 arranged inside a casing 20 with a burner 16 below the tank so that a heat exchange zone 15 surrounding the tank receives the combustion products. The tank 10 is...
6182613 Self-assembly water heater enclosure and kit  
A water heater enclosure and kit having a box-like configuration, with a top panel, a pair of opposing side panels secured to the top panel at upper ends, front and rear braces which secure the...
6148774 Pour-in-place water heater foam insulation systems  
The present invention relates to water heater (12) construction whereby thermal insulation material is foamed in the clearance space between the tank and shell of the water heater, wherein the...
5979371 Foam distribution jacket and method of insulating a hot water heater with expandable foam material  
A foam distribution jacket (10) for containing an insulating expandable liquid foam mixture (44) prior to expansion into a space (17) between a hot water tank (22) and an outer casing (29) secured...
5923819 Molded polymeric fluid storage tank, and associated fabrication methods  
The body structure of a fluid storage apparatus, which may be used for both liquids and gases, is formed from a coaxially and sealingly joined series of one-piece molded polymeric body sections...
5921230 Insulating blanket for a water heater  
The present invention relates to an insulating mechanism for a gas water heater designed to increase the efficiency thereof. The device comprises a blanket formed of a pair of arcuate, adjacent...
5899198 Self clamping temporary foam dam for protecting water heater electrical components  
A removable dam provides a way to prevent liquid insulation from interfering with electrical components and from squirting out an opening in the jacket of a hot water heater.
5711256 Apparatus for masking components of a hot water tank from insulation  
A method and apparatus for masking components of a hot water tank from insulation wherein a carrier sheet containing a pair of inflatable rings is insertable into the space between the inner tank...
5677026 Self-standing insulating jacket for a hot water tank  
An inflatable, self-standing, transparent insulating jacket for a hot water tank is disclosed. The jacket is comprised of an inflatable hood, a platform and an attachment means. The hood surrounds,...
5668922 Water heater having molded plastic storage tank and associated fabrication methods  
An electric water heater has a body structure formed in a manner eliminating the need for a separate metal water storage tank therein. The body structure is formed from a coaxially and sealingly...
5575273 Balanced flue outdoor water heater  
An outside balanced flue water heater including a water tank; a jacket surrounding the water tank; a combustion chamber containing a burner positioned adjacent the water tank; a flue extending from...
5555997 Pressure compensating water heater  
A water heater storage tank including a rigid outer shell having ports connected for water flow into and out from the storage tank. The water heater storage tank also has a flexible container...
5509566 Water heater construction and sealing device therefor  
A water heater construction including an inner tank for containing water surrounded in spaced apart relationship by an outer shell. An outer collar of insulation material is located in the annular...
5485879 Combined water heater and heat exchanger  
A system for heating two independent water supplies having a water storage tank adapted to contain a first, potable water supply and a coiled heat exchange tube mounted within the tank to contain...
5353750 Apparatus for sealing a foam insulated water heater  
A water heater comprising a tank defining a water chamber and having an outer surface, a spud mounted on the outer surface, a jacket surrounding the tank and having an inner surface spaced from the...
5341770 Integral lime inhibitor  
A water heater cold water inlet deflector means which creates turbulent flow within the inlet conduit and creates turbulent water circulation throughout the water storage tank so that sediment is...
5313914 Potable hot water storage vessel and direct-fired heat exchanger  
The inner surface of a hot water storage vessel is lined with a removable rigid plastic liner layer with injected foam insulation located between the liner and storage vessel. A heat exchanger is...
5299280 Wipe entry arrangement for components in a protective dam area of a foam insulated electric water heater tank  
An electric water heater tank defines a water chamber having an electrical component extending outwardly of the outer surface of the tank. A spaced outer jacket surrounds the tank and has a opening...
5293844 Protective shield for the electrical components of a water heater  
A water heater comprising a tank for holding water, a jacket surrounding the tank, foam insulation between the tank and the jacket, a heating element for heating water in the tank, and a thermostat...
5263469 Foam insulating a water heater  
The method of the present invention is for foam insulating a water heater where the water heater has an outer shell and an inner tank with tank fittings, the outer shell having tank fitting...
5251282 Electric water heater with improved insulation structure and control panel housing arrangement  
The external jacket structure of an electric water heater defines with the water storage tank portion thereof a hollow insulation space that horizontally circumscribes and extends across the top...
5209368 Insulated tank construction and improved self positioning sealing device for use therein  
An insulated tank construction for a water heater, including a cylindrical tank, a cylindrical shell placed around and spaced radially apart from the tank to form an annular space, and a...
5179914 Forced draft water heater with an improved tank structure and a method for making water heaters  
A fuel fired, high capacity, high efficiency water heater uses a cylindrical plastic tank. The strength of the plastic tank is maintained by keeping the side wall imperforate and providing all...
Matches 1 - 50 out of 98 1 2 >