Class 392/358 - By fan blower

Subclass of Class 392 - Electric resistance heating devices
Definition: Subject matter wherein the air to be heated is directed
No. of patents: 26
Last issue date: 02/21/2006

Number	Title	Issue Date
7003216	Space heater A portable space heater is provided in which a sealed vessel includes electrical heating elements for containing a fluid to be heated. A cooling tube communicates between an outlet at a top of the vessel and an inlet pipe extending down into the vessel. The inlet pi...	02/21/2006
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 on the two sides at the end of the hot water pipes respectively. Hole...	10/04/2005
6078024	Air conditioning apparatus having electric heating member integrated with heating heat exchanger An air conditioning apparatus includes a heating heat exchanger for heating air blown toward a passenger compartment using hot water as a heating source. A plurality of electric heating members are formed integrally with the heating heat exchanger, and el...	06/20/2000
5721804	Y-shaped portable electric space heater with value to reduce pressure within the boiler A space heater employs a generally Y-shaped housing. A boiler within the housing contains a working fluid at subatmospheric pressure when at ambient temperature. This reduces the boiling point of working fluid. A series of heat exchangers are mounted in t...	02/24/1998
5299278	Forced air circulation electric convection space heating system utilizing heated air discharge to preheat air to be heated An electric forced circulation space heating system has a first heat exchanger provided with electric heating elements for heating a heat exchange fluid, such as antifreeze or oil, pumped through a closed loop including first flow passages of a second hea...	03/29/1994
5245691	Electric heater circuit An electric heater circuit for an electric heater includes a set of heater coils for generating heat, a normally closed temperature sensitive switch for deactivating the heater coils when the temperature inside the electric heater exceeds a predetermined ...	09/14/1993
5131461	Heating apparatus A heater which is preferably rated at about 1,500 watts is described. This heater contains at least three separate heat exchangers; each of the heat exchangers contains heat exchanger tubes, and each of the heat exchangers contains a different fluid capac...	07/21/1992
5121788	Self contained heat exchange apparatus A self-contained heat exchange system (10) is provided wherein the fan (14), pump (18), radiator (30), and motor (16) are disposed within a cylindrical flow path (40) defined by a resilient housing (12). In accordance with a preferred embodiment, the hous...	06/16/1992
5076350	Heat tube designed plate heat exchanger A plate heat exchanger designed as a heat tube in the form of a multi-layer expanded partly laminated body has an integrated, fluidically continuous large-surface channel structure. Formed in the vicinity of the outer edge is a condensate-collecting chann...	12/31/1991
4870253	Mobile apparatus for heating rooms The mobile apparatus for heating rooms has a radiator comprising a set of radiating elements inside which there flows a superior diathermal fluid, rigidly associated with a supporting body having at least one thermoventilation unit for the delivery of war...	09/26/1989
4825847	Air furnace system A warm air furnace system comprising a closed casing having an air inlet and an air outlet duct, a fan to draw air from the air inlet toward the air outlet duct, a water tank mounted into the warm air furnace casing, a radiator anchored to the warm air fu...	05/02/1989
4718601	Heating unit An improved heating unit includes a water storage tank having an immersion heating element, with the water being pumped from the storage tank through the coils of a heat exchanger or condenser element. Ambient air is drawn over the coils and through a ven...	01/12/1988
4705213	Heat unit recycler A heat unit recycler for the exchange of air in a room includes an enclosed tank containing a liquid to be heated. A heating mechanism is provided for heating the liquid in the tank and a temperature control is provided for controlling the heating device ...	11/10/1987
4518847	Electrically-powered portable space heater A portable electrically-powered space heater includes an electrically-powered boiler generating steam at subatmospheric pressure from a mixture of water and ethylene glycol that is circulated through a closed loop heat exchanger, portions of which compris...	05/21/1985
4420677	Heating system A heating system comprising a closed conduit containing a liquid which is continuously circulated through the conduit by a pump. An electrical resistance heating unit serves to heat the liquid in the conduit and heat is transferred from the liquid through...	12/13/1983
4346048	Humidifying system for mobile vehicles A container of water is mounted on a motor vehicle and a means for dispensing that water into a passenger compartment of said vehicle is provided. The water will be delivered in the form of vapor. An electrical circuit is formed with a humidity sensing de...	08/24/1982
4310746	Electric fluid heating apparatus A fluid heating apparatus includes a thermally insulated housing divided by a thermally insulated vertical partition into a flue passage and a heat exchange chamber, the partition having top and bottom openings providing communication between the passage ...	01/12/1982
4242569	Multiple tank electric water heater A hot water heater includes inner and outer tanks for holding water. The tanks are interconnected in such a manner that the cold water is received in the outer tank prior to flowing into the inner tank to be heated. Hot water is drawn from the inner tank ...	12/30/1980
4223205	Central heating systems furnace having a self-contained electric steam heating unit A central heating system furnace includes a self-contained closed-system steam heating unit mounted in a housing having a cold air inlet and a hot air outlet. The unit includes a plurality of side-by-side radiators arranged above a boiler unit having an e...	09/16/1980
4200783	Apparatus for collecting and thermally storing energy An apparatus for collecting and storing energy includes a thermal energy storage cell having a single-piece steel inner core provided with external thermal insulation. A unit for collecting and converting non-electrical energy into electrical energy, such...	04/29/1980
4171772	Package heat exchanger system for heating and cooling A compact heating and cooling system in which air ducts are connected to a heat exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the s...	10/23/1979
4105894	Steam heated hot air furnace having an electric steam boiler In a furnace having a boiler in which a pair of spaced electrode plates are supported, electric current is applied to the electrodes to generate steam which flows out of the boiler through a steam conduit to a heat exchanger. A blower forces air across th...	08/08/1978
4102152	Heat exchange device for air conditioners A heat exchange device for air conditioners and the like comprising a primary body member of sheet plate material having tubular flow conduit fastened thereto for receiving and containing the flow of fluid such as the liquid/gas used with air conditioners...	07/25/1978
4053732	Portable electric room air heater A room air heater which includes a vertically disposed tubular housing or casing mounted on a mobile supporting structure for ease of movement to a desired location and including a heat exchange coiled tube communicating with a tank having an electric res...	10/11/1977
4024904	Forced air range with thermal exchange fluid A forced air range is part of a domestic appliance system which includes hot and cold thermal reservoirs. A thermal exchange fluid can circulate between a heat exchanger in one of the thermal reservoirs and a heat exchanger within a duct in the forced air...	05/24/1977
3941311	Heating unit Disclosed is a heating unit consisting of a boiler chamber in which a two-phase liquid system is placed under a slight vacuum and supplied with a source of thermal energy. The activation of the source of thermal energy causes the lower phase liquid to vap...	03/02/1976

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Class 392/358 - By fan blower