Fragrance vaporizer, in particular for toilets

Gas and liquid contact apparatus – Contact devices – Rotating

Patent

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Details

96222, 96283, 261 30, 261DIG17, B01F 304

Patent

active

058940014

DESCRIPTION:

BRIEF SUMMARY
BACKGROUND OF THE INVENTION

The invention relates to a fragrance vaporizer, in particular for toilets having a liquid aromatic compound to be distributed within the air in a room.
In order to avoid or suppress unpleasant odors, for example in toilet facilities of restaurants, other public buildings, or even in buildings for private use, spraying agents have previously often been used. These nebulize a liquid aromatic compound in fine droplets in the air in the room. Some of these droplets vaporize almost completely and are thus located in the air in the room, which thus has the fragrance of this aromatic compound.
Usually, however, the sprayed aromatic compound does not vaporize completely. Some of the nebulized droplets settle on the floor, the walls, on fittings and on the clothing of people present in the room. This leads to unpleasant side effects. For instance, the floor may possibly become slippery, or clothing and shoes are attacked by the sometimes aggressive aromatic compounds, for example of ethereal oils. Because of this, the floor in public toilet facilities has to be wiped regularly at intervals of about 2 hours.
Furthermore, so-called odor blocks to avoid unpleasant odors have been disclosed. Odor blocks of this type have the disadvantage that they constantly give off their scent to the surrounding air in the room. This leads to waste of the aromatic compound since this is given off into the air in the room even when it is not necessary to combat a foreign odor, for example when the toilet is not being used. In the case of odor blocks, this deficiency also cannot be readily eliminated since it is not possible to regulate the dispensing of the aromatic compound in odor blocks.


SUMMARY OF THE INVENTION

The object of the invention is therefore to propose a fragrance vaporizer in which the aromatic compound can be regulated and can be fed to the air in the room only when required and in a meterable quantity.
Starting from a fragrance vaporizer of the type mentioned in the introduction, this object is achieved by a fixed surface which extends partially into a liquid aromatic compound and serves as a wettable surface and a vaporization chamber which surrounds the fixed surface wherein ambient air moves past the fixed surface and communicates with air in a room.
Advantageous designs and further developments of the invention are possible by means of the measures mentioned in the following description.
Accordingly, a fragrance vaporizer according to the invention has a fixed surface which can be wetted, when required, with a liquid aromatic compound from an aromatic-compound reservoir. In this case, a vaporization chamber which surrounds the fixed surface communicates with the air in the room.
Increased vaporization takes place due to the distribution of the liquid aromatic compound on the fixed surface. Since the vaporization chamber surrounding the fixed surface communicates with the air in the room, the desired fragrance effect can thus be brought about by introducing air enriched with aromatic compound from the vaporization space of the fragrance vaporizer into the room exposed to the odour. The fixed surface is only wetted with liquid aromatic compound when required, so that no unnecessary aromatic compound is distributed into the air in the room. The floor, walls, fittings or even clothing of a person present in the room are not wetted by aromatic compound. Since an aromatic-compound reservoir is provided, a sufficient quantity of aromatic compound is also available over a prolonged period.
The surface is advantageously arranged to be movable so that it can be immersed at least partially into an aromatic-compound bath for wetting with aromatic compound, and that the surface wetted by immersion can be moved after immersion out of the aromatic-compound bath into the vaporization chamber.
In this way, at least the immersed part of the surface is completely wetted with the aromatic compound.
Any remaining residue of aromatic -compound on the surface prior to immersion does not cause any harm in

REFERENCES:
patent: 2190972 (1940-02-01), Boldt
patent: 2539059 (1951-01-01), Cohn
patent: 3309021 (1967-03-01), Powers
patent: 3465605 (1969-09-01), Hylan
patent: 3598370 (1971-08-01), Hoag
patent: 3834680 (1974-09-01), Yost et al.
patent: 3880124 (1975-04-01), Stratton
patent: 3948627 (1976-04-01), Schwarz et al.
patent: 4261930 (1981-04-01), Walker
patent: 5292479 (1994-03-01), Haraga et al.

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