Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1988-08-08
1990-03-13
Joyce, Harold
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
361231, B60H 300
Patent
active
049074989
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to an assembly for providing electroclimatisation of the interior of a motor vehicle.
The beneficial effects of electrical fields and of ions contained in the ambient air on the health and the well being of persons are very well known. In this context, the book "Biologische Wirkungen von Luftionen", Andras Varga, Verlag fur Medizin, Dr. Ewald Fischer, 1986, Heidelberg, is informative. It is also known to simulate in buildings, by means of artificially generated electric fields, such fields which naturally occur in nature and to which the human physiology has adapted. For example, such a device is described in DE-OS 32 29 821.
However, devices for the electroclimatisation for the interiors of motor vehicles have been heretofore unknown. Here, because of the long periods of time which people spend in such motor vehicles and, in view of the fact that the vehicle chassis acts as a Faraday cage causing the nearly complete screening of natural electrical fields, means for providing electroclimatisation are particularly necessary.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a device which simulates electroclimatic conditions in the inner space of a motor vehicle which correspond to the electroclimatic conditions which are required for maintaining the health and the well being of persons therein.
In accordance with this objective, a device is provided which includes a high voltage generator whose output voltage is applied to substantially oppositely disposed windows of the motor vehicle; and means for generating ions within the fresh air conduit of the motor vehicle.
The invention provides electroclimatisation of the inner space of a motor vehicle based upon the combined effects of artificially generated ions which are fed into the inner space of the motor vehicle with the fresh air and an electric field which is maintained therein. The latter has an immediate influence on the health and the well being of the vehicle passengers as well as an effect on the ions being generated by the ion generator, which would have only a small range of travel without this electric field. In accordance with the invention, two substantially oppositely disposed windows are used as electrodes or "antennas" for generating the electric field, whose suitability for this purpose was surprisingly shown during experiments. However, the desired purpose is only fully effective when the passengers of the vehicle are subject to the electric potential of the chassis, i.e., ground potential. For this purpose, in accordance with the invention, at least one object with which the passengers of the vehicle come regularly and permanently into contact is connected to ground. There accordingly are no problems associated with static charging as the flow of ions occurs.
In certain exceptional cases it may be required that the substantially opposite disposed windows be coated with an electrically conductive transparent layer. However, generally the "antenna" or electrode effect is obtained with normal windows.
If the oppositely disposed windows are the front and rear windows, the field lines extend substantially parallel with the longitudinal axis of the car. This is particularly important for the ion feeding if, as normally is the case, the introduction of fresh air occurs mainly on the front transverse side of the vehicle interior or cabin.
In accordance with a further feature of the invention, a sensor is disposed in the inner space of the motor vehicle which measures the strength of the electric field. The sensor generates a representative signal which is fed to the high voltage generator and compared with a nominal value. In the event of a difference between the actual field strength signal and the nominal value, the output voltage of the high voltage generator is readjusted until the desired electrical field strength is obtained in the inner space of the motor vehicle. Such a readjustment for the inner space of buildings is already known form the aforementioned DE-OS 32 29
REFERENCES:
patent: 3292042 (1966-12-01), Michener et al.
patent: 3417302 (1968-12-01), Lueder
patent: 3541390 (1970-11-01), Jahnke
patent: 3662217 (1972-05-01), Von Berckheim
patent: 3870933 (1975-03-01), Huber
patent: 3894852 (1975-07-01), Von Berckheim
patent: 4542434 (1985-09-01), Gehlke et al.
patent: 4740862 (1988-04-01), Halleck
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