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Class 110/204 - Recirculation means


Subclass of Class 110 - Furnaces
Definition: Apparatus wherein the conditioning means returns all or
No. of patents: 169
Last issue date: 11/16/2010


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NumberTitleIssue Date
4182274Prevention of low temperature corrosion
An arrangement for inhibiting low temperature gas-side corrosion of an out of service steam generator and its heat exchange and gas clean-up adjuncts. The arrangement provides for circulating pressurized heated air through the steam generator and its adju...
01/08/1980
4140467Convection oven and method of drying solvents
A method of heat treating a workpiece, and an oven for carrying out the method in which, the gaseous atmosphere within each zone is continuously recirculated by recirculating fan and duct systems within each zone, and directed onto the workpiece, thereby ...
02/20/1979
4106214Dryer attachment
A heat reclaimer for use with a gas clothes dryer of the type including a rotary drum. The dryer includes a housing in the upper portion of which is a gas burner chamber. The heat generated in the gas burner is moved downwardly through the rotary drum by ...
08/15/1978
4098200Low pollution solid waste burner
A low polluting solid waste burner utilizes a first combustion chamber in which the solid waste is partially oxidized under a positive pressure with the partially oxided gaseous combustion products passing out into a first conduit where the gas is recycle...
07/04/1978
4089277Solid waste disposal
An entirely dry, solid waste disposal system is provided which incinerates waste in a manner to minimize pollution and to utilize the heat energy which is a by-product of the incineration. The waste material is shredded and then dried by mixing it with he...
05/16/1978
4089631Coal-burning gas turbine combustion system for reducing turbine erosion
Gas-fluidized ground coal, and coal dust slurried with fuel oil, are supplied to a reverse flow cyclone combustor which provides the functions of combustion and particulate removal. Coal dust borne by the fluidizing gas is passed through a cyclone scrubbe...
05/16/1978
4080932Industrial boilers
An industrial boiler installation, comprising an outer continuous shell within which is contained the water space of the boiler, a furnace and a plurality of smoke tubes for passage therethrough of the products of combustion of the furnace and the boiler ...
03/28/1978
3939781Incinerator, incineration system and method
Comminuted waste material is inserted into an upper section of a vertically directed incinerator. The incinerator includes a plurality of vertically contiguous zones. A blower is connected to an outlet port of the incinerator to adjust the flow rate of co...
02/24/1976
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