Matches 1 - 50 out of 111 1 2 3 >
Match Document Document Title
7337828 Heat transfer using a heat driven loop  
A heat transfer fluid medium ( 25 ) within the closed system is arranged to boil to form a vapor in the evaporation section ( 12 ) and such that release of heat from the condensation section ( 11 )...
7055466 Control system for a portable instant hot water heater  
A portable instant water heater. Water is delivered to a base unit of the instant hot water heater by a pump that draws water from a reservoir through a flow control valve. The water flows into a...
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...
6951191 Water heater provided with compact design and hot water temperature for human body  
A water heater includes an exhaust hood, a heat exchange module, a main heat valve and a control valve extending downwardly in turn between a case and a plate. Inlet and outlet heads are installed...
6640047 Hybrid water heater with electrical heating unit and combustor  
In a hybrid water heater, a heat pump unit and a combustion heating unit are combined for heating water to be stored in a hot water tank. The combustion heating unit includes a combustor for...
6612301 Water heater  
A water heater comprising a water-tight tank having a combustion chamber located in the bottom portion of the tank. A combustion air blower is operable to draw combustion air into the combustion...
6295980 Composite polymer manifold for water heating unit  
A header for a heat exchanger having a plurality of parallel hollow tubes mounted between a pair of flat mounting plates and defining a plurality of passages through the plates. The header...
6041742 Fluid heating and pumping apparatus  
A fluid heating and pumping apparatus for use with hot fluid space heating systems includes a fluid tank containing heated fluid and a collapsible bladder contained within the fluid tank for...
6026804 Heater for fluids  
A fluid heater includes a housing, a burner unit disposed in a bottom portion of the housing for burning combustible fuel, a combustion chamber disposed within the housing where the fuel is burned...
6026801 Plug core heat exchanger  
An apparatus (10) for transferring heat to a fluid from combustion gases including a housing (12) extending between a first end (14) and a second end (16). The apparatus further includes a burner...
6019098 Self powered furnace  
A self-powered combustion furnace unit. A combustion furnace providing circulating hot fluid heating is equipped with a thermoelectric generator comprised of a plurality of thermoelectric modules...
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...
5964215 Heating installation with closed liquid circuit  
The invention relates to a heating installation comprising a closed liquid circuit which is under pressure during operation, in which are incorporated a heating boiler in which heat is supplied to...
5927269 Auxiliary vehicle heater  
An auxiliary vehicle heater includes a combustion air fan, an intermittently rotating, absorbent wick, a glow plug for initiating combustion and a water jacket surrounding a combustion chamber....
5911217 Internally mounted flue damper with exterior free-standing damper drive  
This invention provides a water heater including a water storage tank, a flue, a jacket around the tank and the flue and having a top end, a top cover which extends over the tank and the flue and...
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.
5898818 Water feed system at constant temperature keeping the hot water from mixing with the cold water fed during use of the hot water in a single tank  
A water feed system at constant temperature keeping the hot water from mixing with the cold water in a single tank, the cold water being fed during use of the hot water, comprising a cold water...
5872891 System for providing substantially instantaneous hot water  
A water heater tank is designed to be installed within a wall to provide substantially instantaneous and continuous hot water when the faucet is activated. The tank maintains water at a hot...
5857482 System for control of fluid vessel overflows  
An overflow control system includes a vessel having a liquid input and output, the vessel having a top and bottom defined by the gravity vector. The system further includes a housing peripherally...
5848586 Fire safety collar for gas water heaters  
An air inlet system for gas water heaters that prevents or delays the ignition of fumes from flammable liquids accidentally spilled on the floor. The air inlet is above the quickly combustible...
5838879 Continuously cleaned pressureless water heater with immersed copper fluid coil  
A pressureless electric water heater for domestic use has a cylindrical double-walled tank for holding a quantity of a heat transfer liquid such as water. Cold water enters a copper coil immersed...
5787229 Electric hot water tank with layered storage  
An electric hot water heater tank is fitted with a plurality of separators that divide the tank into a plurality of chambers surrounding the tank axis and extending between the top and bottom...
5761379 Water heater capable of being hung from a support  
A water heater is capable of being hung from a support, and includes a water tank, a water inlet, a water outlet, and a jacket positioned around the water tank so as to define a space between the...
5725833 Water buffered essential oils smokeless incensing system  
A water buffered essential oil non-open flame incensing system including a level fire plate with a metallic fire ring centrally bonded to the upper surface thereof. A stoneware urn is provided...
5690094 Gas flame kettle  
A gas-flame heated, self-contained kettle comprises a housing (12); a gas burner (14) contained within the housing (12); a container (16) for the fluid (18) to be heated, positioned within the...
5642725 Liquid heating apparatus  
A heating apparatus for a liquid includes a vessel (1) having a base and a side walls (2, 3), and a planar electrical element (5) integrated in the base wall (2). In order to render the apparatus...
5588088 Hot water tempering system utilizing a storage tank, a bypass line and a proportional flow controller  
A hot water tempering system tempers the output of a hot water storage tank by mixing that output with a cold water flow in a defined ratio to produce a flow of water at a steady intermediate...
5460161 Campfire water heating apparatus and method  
An apparatus and method for heating and delivering water by use of a campfire, comprising drawing water from a first kettle through a supply hose to a heat exchanger that is placed in the campfire....
5441039 Teapot capable of giving off sound while it pours  
A teapot has a handle provided therein with a receiving space shielded with a cover. The receiving space is intended to house therein a battery set and a circuit board comprising a...
5437264 Waste heat collector for domestic gas water heaters  
A heat collection apparatus which collects the lost or waste heat from a domestic gas water heater. This apparatus sits on top of the water heater over the flue, where the lost heat is directed...
5419308 Gas-using water heater having a water pressure-controlled gas general switch  
a gas-using water heater having a water pressure-controlled gas general switch, wherein the water pressure-controlled gas general switch is disposed outside the water heater and is combined with...
5417201 Portable water heating system  
A portable thermosyphon water heating system for use by outdoor enthusiasts, or others at locations remote from a conventional supply of hot water. Water is heated by an open campfire flame in an...
5396878 Hot water kettle  
Apparatus for heating water over an open fire comprises a kettle having a substantially flat bottom and an upstanding perimeter sidewall. Two openings are provided in the upper portion of the...
5356487 Thermally amplified and stimulated emission radiator fiber matrix burner  
A combustion device for producing predetermined radiation spectral output and heat for a variety of applications including lighting, cooking, heating water, electric power generation, and providing...
5341797 Liquid heating apparatus  
In a liquid heating apparatus according to the present apparatus, an external drum comprising a dual wall is provided in a water tank, the external drum has a combustion gas distribution chamber...
5334299 Water heater having improved sacrificial anode assembly therein  
A water heater includes a metal storage tank for holding a quantity of water to be heated. Extending into the interior of the tank is a sacrificial anode assembly operative to inhibit corrosion of...
5329920 Wood burning boiler  
An outdoor, self-contained wood fueled furnace. The furnace includes a non-warping, laminated sheet metal door; a rear exiting flue with water discharge means; and a baffled, heat exchanger which...
5318007 Heat exchanger manifold for swimming pool or spa heaters  
A swimming pool or spa heater unit having a heat exchanger manifold designed to permit the use of direct plastic piping connections to the manifold header. The manifold is principally characterized...
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...
5226408 Method and apparatus for heating a spa  
A method and apparatus for heating water in a spa which has a plurality of venturi jets, a hosing which includes a plurality of venturi jets and a high speed pump which circulates water through the...
5197456 Gas water heater with improved exhaust distribution in multiple flues  
A water heater comprising a tank defining a water chamber, a generally cylindrical combustion chamber located beneath the water chamber and centered on a generally vertical axis, a plurality of...
5190025 Motor vehicle drinking water warming and heating device  
A drinking water warming and heating device, comprising a housing having a storage chamber inside thereof and a water circulating space set therebetween. Inside the space is a partition which...
5167216 Vapor jacketed cooking vessel with burner  
A cooking vessel includes a kettle partially surrounded by a vapour jacket. An evaporator for containing fluid is mounted to the kettle and includes a tubular portion and is in fluid communication...
5134683 Water heater with integral drainage catch pan structure  
An electric water heater is provided with a vertically enlarged, sealed bottom end cap which functions as an integral drainage catch basin to receive water leaking from the water heater's internal...
5133041 Method and apparatus for transporting commodities, especially liquid commodities, at temperatures above their congealing point in tanks or tank containers, as well as a method and apparatus for cleaning the tanks or tank containers  
A method and an apparatus for transporting commodities, especially liquid commodities above their congealing temperature in a tanks or tank containers. At least a partial flow of hot exhaust gases...
5096413 Ignition mechanism for a heater  
An ignition mechanism for a heater which includes a metal exothermic container in which are mounted an exothermic part, a firing part and an igniter. The igniter is a type which may be actuated by...
5029605 Fluid vessel overflow system  
There is provided a system for blocking the inflow of water to an appliance such as a hot water tank in the event of a leak in the appliance or water supply thereto. A low voltage current solenoid...
4917077 Wall-mounted hot water boiler of the instant type  
A wall-mounted hot water boiler of the instant type comprises a plurality of plumbing components in fluid communication with one another by plumbing lines preformed on a wall member, which wall...
4875465 High efficiency submersible chamber water heater  
A submersible chamber water heater having improved efficiency. The water heater includes a tubular member that is mounted in an opening in the tank and defines a combustion chamber. A fuel-air...
4874104 Hot water storage tank  
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...
Matches 1 - 50 out of 111 1 2 3 >