Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Plural holders for diverse materials
Patent
1985-04-08
1986-02-11
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Plural holders for diverse materials
137569, 239307, B08B 302, B60S 304
Patent
active
045694834
DESCRIPTION:
BRIEF SUMMARY
A principal object of the invention is to provide apparatus for cleaning objects in industry, as in service stations, in shipping, as well as in agriculture and household areas, by which the object to be cleaned is washed by means of a spray pistol and fluid streams mixed with cleaning and servicing chemicals.
Apparatus of this general kind has taken various forms in the past, and herein a high pressure stream is utilized, drawn by a pump from a heated water supply and with which chemicals are mixed, and the resulting mixture is sprayed from a spray pistol (spray lance). This high pressure stream is of low mass and has a strong effect of removing dirt due to its high pressure.
Heretofore in order to achieve a good cleaning effect, a very high temperature of the water stream was necessary, which would entail a considerable amount of heat. The water used was warmed or heated by suitable means. In the use of a high pressure stream, there was insufficient time for the chemicals to penetrate the dirt to be removed. Also because of the high velocity of the stream, an electrostatic charge would develop on the object to be cleaned, and the cleaning result would be impaired.
It has also heretofore been known to utilize a water tube, with a wash brush and shampoo rods, to cleanse the object and to provide chemicals by means of a special pump or equivalent means.
A disadvantage of such a pump though is that strong chemicals cannot be used, and when changing from one object to another, the entire spray tube must be emptied and cleaned, which entailed a great amount of valuable time, and relatively expensive chamicals would be wasted. There is the further disadvantage that water soluble cleaning means are available only in concentrated form and must be thinned before use.
The present invention provides apparatus and method which are extremely effective with less effort and can go from a low pressure operation to a high pressure operation, and be operated substantially more effectively and inexpensively than high pressure cleaning, or low pressure cleaning taken by itself.
In carrying out the present invention several working stages are utilized: in a first stage a low pressure stream of water is utilized, from the general supply or community supply; in a second stage the low pressure is shut off and the chemicals are permitted to penetrate the dirt to be removed; and in a third stage the chemicals are washed off with a high pressure stream.
The present invention utilizes a combination of low pressure and high pressure, in which a low pressure step is added to a high pressure step. This has the advantage that the chemicals are applied with low pressure, which results in sparingly applying the chemicals on the object to be cleaned. The low pressure stream is shut off after the chemicals are applied in the second stage, so that the chemicals can penetrate the dirt to be removed for a longer time. Thereafter, the high pressure cleaning is resumed and in this the third stage, the chemicals are washed off with the high pressure stream. This assures complete elimination of the chemicals, and the high pressure stream itself, without the chemicals, performs a further cleaning effort.
In the present invention, the combination of the low pressure and high pressure stages, perform an effect far superior to previously known procedures.
The present invention also encompasses a fourth stage in which water remaining on the object being cleaned from the high pressure stream, is blown off with air pressure. This step is of special importance in such operations as cleaning motors, ignition distributors, spark plugs, and other water sensitive items.
A further advantage of the invention is that in utilizing an air stream, additional chemicals can be introduced, such as spray wax, felloe cleaners, insect repellents, etc. This step deals with chemicals that are effective for cleaning, in air, without the use of water.
The apparatus, utilizing a combination of low pressure and high pressure cleaning steps, and alternatively with air cleaning
REFERENCES:
patent: 1658473 (1928-02-01), Ackerman
patent: 3322350 (1967-05-01), Heinicke et al.
patent: 3556402 (1971-01-01), Wolking
patent: 3720226 (1973-03-01), Minich, Jr. et al.
patent: 3797744 (1974-03-01), Smith
Gallagher Paul H.
Kashnikow Andres
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