Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1987-07-13
1990-08-21
Bartis, Anthony
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
98 315, 126110AA, 219273, 219366, 219368, F24H 304, F24F 706, F24D 900, H05B 100
Patent
active
049508717
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device or arrangement for heating rooms uniformly, especially heated living rooms, through the equalization of the temperature distribution between the ceiling and the floor regions.
It is known that, as a result of lower density of warmer or hotter air in rooms, a temperature distribution with a temperature gradient takes place, wherein at the floor level the lowest and at the ceiling level the highest temperatures occur. Heating elements are ordinarily arranged at the lower level of a room and warm the air there, which then rises as a result of convection heat, while the colder air flows back from there to the floor. Depending on the height of the ceiling, on the flow ratios, and the heat transmission of the walls, the ceiling temperatures in a heated room may attain, for example, 25.degree. C., while the floor temperature at the same time amounts to 17.degree. C.
This has, for one, the shortcoming that much more heat energy must be expended than would be necessary for the well-being of persons staying in a room. Moreover, indeed, well-being is feigned when seated because at this height, in the cited example, a temperature of about 20.degree. C. reigns, but at the same time, below a level of about one meter, a colder zone remains, which represents a starting point for many illnesses.
The invention thus is rooted in the problem of providing a device or arrangement by which a uniform temperature distribution in rooms may be achieved and at the same time heating energy may be saved. Employed with all known heating methods, an equalization of the temperatures at the ceiling and floor levels should be obtained.
This problem is solved according to the invention by the provision of a device having at least one upright column extending between the ceiling and floor of a room. The column comprises two channel-shaped shells fastened to each other which form an air channel in which a fan, which creates an air current from top to bottom, and an electrical heating element are arranged. The fan and electrical heating element are located between an upper air inlet and a lower air outlet. Also included is a control unit which is attached to a front panel. The front panel can be installed and fastened to a front recess of the column, while the fan is fastened to a plate on whose lower surface the heating element in the shape of a tubular spiral body is attached and hung. The heating element is surrounded by a cylindrical air duct and the heating element and fan form a modular unit fastened below the front recess for easy access.
The advantages of this solution consist in particular in that in the first place the floor region is maintained warm and the heating power can be reduced by a good half. The cold air layer on the floor is displaced and the unnecessary heating up of the upper portion of the room can be avoided. A uniform temperature distribution at a satisfactory level increases the well-being of people. Should, as an example, air with a temperature of 25.degree. C. in the ceiling region be mixed with the floor air of 17.degree. C., a mixed air temperature of about 21.degree. C. would result. Through uniform temperature distribution, especially in the total floor area of the residence, even with open doors, draft movements will be eliminated. The heretofore existing large heat losses through the room ceilings as a result of the stationary warm air below the room ceiling also are eliminated. Especially in the case of high rooms, with the device of the invention, it is not longer necessary, in order to save energy, to install lower room ceilings, or respectively, build-in intermediate ceilings. Besides, the built-in electrical heating element can provide a cost-efficient warming of a room during the change of seasons of the year (spring or, respectively, fall).
By locating at least two devices in a room removed from each other, a quick and very thorough mixing of room air is achievable, whereby the speed of the fan per device can be reduced, so that the fan runs very gently. Moreov
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Forster Joachim
Pollak Walter
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