Stoves and furnaces – Body warmers – Liquid or gaseous fuel
Patent
1987-06-08
1989-07-11
Green, Randall L.
Stoves and furnaces
Body warmers
Liquid or gaseous fuel
126 84, 126 91A, 126116B, 4524, A61F 700
Patent
active
048461458
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL ART FIELD
This invention relates to a sauna device having an infrared radiation sauna heater, more particularly an improvement of the sauna device having an infrared ray radiation sauna heater for the heat source. Combustion of fuel is converted to an infrared heat for the sauna.
BACKGROUND ART
The conventional sauna device of the convection type employing an electric heater is popular, but it has a disadvantage that electric energy is expensive.
To overcome such disadvantage, convenient and economical sauna devices were developed, wherein liquid or gas fuel is burned. The heat of combustion was converted to infrared rays which radiate the heat to the human body.
The infrared ray radiation device usually employs the burner and other combustion device outside the sauna chamber since it is dangerous to burn fuel in the sauna chamber. The combustion heater devices require broader floor space than sauna device with electrical heat source.
These problems are more serious for smaller scale sauna.
Although sauna devices to overcome the above disadvantages are disclosed in the specifications of Japanese utility model application Nos. 59-162174 and 60-131970, the devices there disclosed require a larger relatively floor space in comparison with an electric type sauna device with conventional electrical heat source.
The conventional infrared ray radiation sauna device does not provide the desired heat efficiency, safety and easeness of maintenance or inspection work.
DISCLOSURE OF INVENTION
This invention relates to a device which solves the above problems and one of the objects of the invention is to provide (a) infrared ray radiation sauna device suitable for use in the home (b) a sauna requiring the least possible floor space.
A second object of the invention is to provide an infrared ray radiation sauna device with high safety.
A third object of the invention is to provide an infrared ray radiation sauna device which is easily maintainable and inspectable.
A fourth object of the invention is to provide an infrared ray radiation sauna device which is low in cost and a compact in construction.
A fifth object of invention is to provide an infrared ray radiation sauna device with (a) low fuel cost (-- using petroleum and gas, etc. and (b) requiring flow space.
An object of the invention is achieved by an infrared ray radiation sauna device having a combustion heat source which comprises an infrared ray radiating tube, etc., wherein an infrared ray radiator is provided in the sauna chamber, in the tube of which gas or liquid fuel is burned or combustion gas is blown in the tube and infrared ray is radiated from the outer surface of the tube; and seats are located facing the infrared ray radiator with a partition between them, in a direction that the infrared ray of the infrared ray radiator is radiated; a control box at least partly covered with heat insulating is mounted in said seats, to insulate at the boundary between the control box and the inside wall of the sauna chamber; and a blast pipe passes inside of the control box to the combustion chamber of the infrared ray radiator, under the floor, to supply fuel and combustion air to the combustion chamber; and an exhaust tube or pipe which communicates from the downstream of the radiator pipe of the infrared ray radiator passing, under the floor, to inside of the control box and the inside of the control box contains the devices such as an electromagnetic valve which are necessary for fuel supply, and appliances such as a blower for exhausting, a transformer for ignition which is necessary for normal combustion devices; and upper and side walls of the control box is constructed detachably, so that the combustion heat is the heat source.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
FIG. 1 is a horizontal cross sectional plan view of an embodiment of the infrared ray radiation sauna device of the invention;
FIG. 2 is a cross section taken along line A--A in FIG. 1;
FIG. 3 is a cross section along line B--B in FIG. 1;
FIG. 4 is a cross section a
REFERENCES:
patent: 2682867 (1954-07-01), Cartter
patent: 3828762 (1974-08-01), Duzey
patent: 4044751 (1977-08-01), Johnson
patent: 4277855 (1981-07-01), Pass
Green Randall L.
Hall William D.
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