Chemical apparatus and process disinfecting – deodorizing – preser – For deodorizing of – or chemical purification of – or... – Including means adding material into environmental gas
Patent
1988-07-28
1990-08-21
Nucker, Christine M.
Chemical apparatus and process disinfecting, deodorizing, preser
For deodorizing of, or chemical purification of, or...
Including means adding material into environmental gas
239 59, A61L 900
Patent
active
049504576
DESCRIPTION:
BRIEF SUMMARY
The invention is concerned with a device for the evaporation of an active substance for treating the ambient air in motor vehicles (automobiles), comprising two cylindrical tubes that are supported within one another concentrically, that surround a chamber for the active substance to be evaporated, and the jacket walls of which have been provide with one gas-permeable evaporation zone each, and which may be moved, by means of a mutually opposing adjustment of the angle of the hollow cylinders into a closed position at a displaced angle of rotation, out of a coinciding position, comprising also a fastening means mounted on the jacket of one of the two hollow cylinders and intended to place the device into an area of intensive air-flow of the inside of the motor vehicle. Devices of this type are used to deodorize the inside air as well as add to it scented, stimulating, or possibly therapeutic agents, such as e.g., eucalyptus oil in the case of inflammatory diseases of the respiratory tract.
Known devices of this kind are designed, in such a way that they may be affixed either in front of an air-outlet screen of the dashboard, or above an air outlet slit on the inside, to the wind screen. In the case of the first method of placing the device, the evaporating device slows down the air flow very considerably, while said flow, in turn, brings about an excessively rapid and, for that reason, excessively intensive evaporation, so that the delivery of the active substance is initially too high and then decreases to a minimum very rapidly.
An evaporating device that is affixed to the windscreen, has intensive exposition to the radiation of the sun and that, once more, brings about an accelerated evaporation.
In addition, the use of either of these methods of fastening the evaporating device introduces a foreign body--that projects more or less--within the operating range of the driver of the vehicle, and that complicates the adjustments of the pertinent air outlet or the cleaning o the windscreen very considerably.
The invention is based--among other things--on the problem of eliminating those shortcomings by application of the simplest means. The object of the invention consists in the fact that the fastening means is designed as a gripping clasp that is aligned transversely in relation to the longitudinal axis of the device and the gripping (clamping) plane of which is designed more or less tangentially in relation to the device.
The device as designed in that way is fastened in a self-clamping manner, e.g. on the sun screen of the driver, in such a way that is placed on the underside of the sun screen. When the air stream of the wind screen is not turned on, the evaporatio is insignificant and may be called static. On the other hand, the air stream of the windscreen brings about a dynamic evaporation that is distinguished by a considerably higher intensity. The air stream rises up on the windscreen, is diverted toward the read, flows through the evaporating device, and hits the driver of the vehicle directly, enclosed with the active substance. E.g. when an active substance is used against fatigue, nervousness, or inflammatory diseases of the respiratory tracts, then the high concentration of the active substance entails a correspondingly intensive effect on the driver. In addition, the device which is placed in this manner, is protected from overheating by insulation and is located immediately outside the handling range of the driver.
An additional independent characteristic of the invention is concerned also the evaporation device as placed in motor vehicles and designed to be used as filling-up device. The topping-up has been done, up to this time, e.g. by unscrewing the inner hollow body from the outer hollow body that serves as a casing, and e.g. by providing it with a new tampon impregnated with the active substance.
Consequently, the further object of the invention consists in the further development of an evaporating device of this type, in the most economical way, in such a manner that a refilling of th
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patent: 3747902 (1973-07-01), Bailey
patent: 4258874 (1981-03-01), Webinger et al.
patent: 4523870 (1985-06-01), Spector
Beisner William H.
Nucker Christine M.
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