Patents
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
11/1993
11/25/1993DE4216633A1 Water heater esp. for hotel bathroom - has side plates with grid of spacers, sleeves and bolts, with surface dimpled between bolt holes
11/25/1993DE4216492A1 Domestic bath - has hot water pipes embedded between side walls and outer insulating layer to keep bath water hot
11/24/1993EP0570586A1 Fluid heater
11/24/1993CN2147473Y Heat increasing device for water heater
11/24/1993CN2147472Y Water heating boiler for double-layer combustion oxygen compensation boiler
11/24/1993CN2147470Y Heat exchanger for water heater
11/24/1993CN2147469Y High-effect energy-saving heat-exchanger
11/24/1993CN2147468Y Vertical double-liner water heating furnace
11/24/1993CN2147467Y Mixing type electric water heater
11/24/1993CN2147466Y Domestic heat-exchanging water tank
11/24/1993CN2147465Y Semi conductor micro electric film water heater
11/24/1993CN2147464Y 电热水器 Electric water heaters
11/24/1993CN2147463Y Tower type energy-saving tea stove
11/24/1993CN2147462Y Energy-saving gas burning water heater
11/24/1993CN2147461Y 电加热水管 Electric heating pipes
11/24/1993CN2146984Y Electric heater of hot water health care bath for hand and foot
11/24/1993CN1078793A Liquid heating apparatus and method
11/18/1993EP0570201A1 Heat exchanger for a gas boiler
11/18/1993DE4216047A1 Cast iron@ heating boiler - has inner and outer shells of segments, which are connected to each other to form part water chambers
11/17/1993CN2146679Y Automatic on-off rapid electric water heater
11/17/1993CN2146678Y Multi-functional heating humidifier
11/16/1993US5263116 Heater for liquid
11/16/1993US5262621 Instant hot water apparatus utilizing electromagnetic induction heating
11/16/1993US5261438 Hot water tank construction, parts therefor and methods of making the same
11/10/1993CN2145956Y Verticle 3-return boiler
11/10/1993CN2145955Y Horizontal water pipe heating boiler
11/10/1993CN2145954Y Hot air heating kitchen range
11/10/1993CN2145953Y Vacuum hot tube type electric heater
11/10/1993CN2145952Y 3-guard electrothermal water heater
11/10/1993CN2145951Y Apparatus for continuously feeding boiling water
11/10/1993CN2145950Y Suspension core type coal-saving water heating stove
11/10/1993CN2145949Y Water heater
11/10/1993CN2145948Y Multipolar plate electrothermal water heater having automatic close and liear control
11/10/1993CN1078303A Liquid heating apparatus
11/06/1993CA2068052A1 Microwave water and pool heater
11/03/1993EP0568286A1 Liquid heating apparatus
11/03/1993CN2145347Y Large warming water, boiling water device with gas
11/03/1993CN1078039A Multi-purpose built-up water heater burning briquet
11/03/1993CN1078038A Water heater
10/1993
10/28/1993WO1993021482A1 A water heating tank
10/28/1993WO1993021476A1 Process and device for regulating the burning of solid fuels in a combustion plant
10/28/1993DE4213755A1 Combustion-chamber working in conjunction with solar heating or heat-pump - has metal-glazed ceramic cover over flame sprayed with cooling liquid pre-heating combustion air
10/28/1993CA2102288A1 A process and a device for regulating the combustion of solid fuels in a combustion plant
10/27/1993EP0566945A1 Installation for heating water, in particular hot water boiler
10/27/1993CN2144796Y Smokeless coal-fired boiler
10/27/1993CN2144795Y Steering household stove
10/27/1993CN2144794Y Reverse burning smoke eliminating energy-saving drinking boiler
10/27/1993CN2144793Y Heat storage type gas-fired shower
10/27/1993CN2144792Y Speed automatic electrothermal drinking machine
10/26/1993US5257341 Compact in-line thermostatically controlled electric water heater for use with dental instruments
10/20/1993EP0565782A1 Elliptical shaped tank for hot water in domestic plants
10/20/1993CN2144276Y Controller for split-type gas combustion water heater
10/20/1993CN2144275Y Car-shaped atmospheric pressure boiler for heating water
10/20/1993CN2144274Y Semi-gas atmospheric pressure water-heating boiler with two fire boxes
10/20/1993CN2144273Y Water heater utilizing waste heat from boiler
10/20/1993CN2144272Y Structure of instantaneously heating type water heater
10/20/1993CN2144271Y Water heater with case surrounded with preheating wing tube
10/19/1993CA1323257C Water heater construction
10/14/1993WO1993020389A1 Heat control device for circulating fluid
10/14/1993DE4311004A1 Combined water heater for hot water and central heating - has heat exchanger acted on by burner which supplies prim. circuit of further heat exchanger and can be selectively connected to hot water tap place or prim. circuit
10/14/1993DE4211839A1 Verfahren und Vorrichtung zur Regelung des Abbrandes fester Brennstoffe in einer Verbrennungsanlage Method and apparatus for controlling the burn solid fuels in an incinerator
10/14/1993CA2108796A1 Heat control device for circulating fluid
10/13/1993CN2143747Y Multifunction high efficency energy saving water boiler
10/13/1993CN2143439Y Hot water type electric mattress
10/13/1993CN1077272A Quick coal-burning gas boiled-water boiler
10/13/1993CN1077271A 自动化热水器 Automatic water heater
10/12/1993CA1322981C Foam insulated vessel and method of making the same
10/07/1993DE4211153A1 Heating boiler with boiler casing - comprises one piece corrosion resistant combustion chamber as insert with gas exhaust connection at front
10/06/1993EP0563955A1 Method of manufacturing a continuous heater for dispenser for hot beverages
10/06/1993CN2143309Y Boiled water tank
10/06/1993CN2143308Y Normal Pressure water heating boiler with horizontal pipe
10/06/1993CN2143307Y Self heating bath
10/06/1993CN2143222Y Multifunctional water tank for health care
10/05/1993US5251282 Electric water heater with improved insulation structure and control panel housing arrangement
09/1993
09/30/1993WO1993019564A1 Heating apparatus
09/30/1993WO1993019563A1 Automatically programmable self-regulating disposable electric immersion heater apparatus and method for medical use
09/30/1993WO1993019332A1 Electric instantaneous water heater
09/30/1993DE4308770A1 Steuerapparat einer Heißwasserversorgung Control apparatus of a hot water supply
09/30/1993DE4226325C1 Electric through-flow water heater - has two parallel profiles fitted to flow pipe receiving straight sections and curved ends of heating elements respectively
09/30/1993DE4209585A1 Heat exchanger for hot water heating boiler - has water flowing through it and comprises two superimposed, welded, S=shaped bent water channels between enclosing straps.
09/30/1993DE4209584A1 Mfr. of heat exchangers - by welding two steel sheets together along parallel lines and then folding in zigzag fashion.
09/30/1993DE4208611A1 Atmospheric gas burner assembly - has shaft-form housing conducting air current and contg. at least one gas nozzle with a downstream conically widened mixt. tube
09/29/1993EP0563028A1 Boiler for heating water
09/29/1993CN2142947Y Water-heating boiler of three-burning under atmosphere
09/29/1993CN2142946Y Vertical hot-water boiler
09/28/1993US5247908 Wall contained hot water heater
09/28/1993CA1322572C Appliance construction, sealing device therefor, and method of making same
09/23/1993DE4226767C1 Mfg electric through-flow water heater - profiling flow pipe before insertion in extruded metal profile incorporating electric heating elements for improved heat transfer
09/23/1993DE4208675A1 Electrical constant flow heater with cold water inlet and control unit - has insulation section with heater section consisting of at least tubular heating module, and second insulation section and hot water outlet
09/23/1993DE4208602A1 Electronic output control circuit for domestic continuous flow heater - has four heating resistances designed as bare wire coils lying one after other in direction of flow in water ducts of heating block
09/22/1993CN2142545Y Heat-dissipation type safe energy-saving warm water supply
09/21/1993CA1322272C Method of making a foam insulated vessel
09/16/1993WO1993018339A1 Flame tube boiler
09/16/1993WO1993018338A1 A water tank for heating water preferably in a vending machine
09/16/1993DE4308234A1 Control system for completely premixing atmospheric liquid burner - has comparator circuit acted on with actual temp. of medium to be heated by burner across heat exchanger and desired value transmitter to control gas supply valve
09/16/1993DE4308231A1 Bare wire continuous flow heater - has electrical heating element arranged in chamber of electrically insulating material and chamber is connected with water supply and discharge across earthed metallic connecting pieces
09/16/1993DE4223070A1 Horizontal domestic hot water tank with cold and hot water connecting unions - contains several, vertical, open-top flow ducts for domestic hot water incorporating heat exchangers
09/16/1993DE4207500A1 Special boiler for central heating - has cooled chamber as part of cooled door, and firebox insert of flame resistant material
09/16/1993DE4206969A1 Flame tube boiler for forming ash in fuel - has turn round chamber connected to one end and burner connected to other end with tubes for combustion gases
09/15/1993CN2142183Y Separating stove for heating water