|Publication number||US2741813 A|
|Publication date||Apr 17, 1956|
|Filing date||Nov 24, 1953|
|Priority date||Nov 24, 1953|
|Publication number||US 2741813 A, US 2741813A, US-A-2741813, US2741813 A, US2741813A|
|Original Assignee||Rubin Sidney|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (6), Referenced by (17), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
April 17, 1956 s. RUBIN 2,741,813
EVAPORATION DISSEMINATOR Filed NOV. 24, 1955 INVENTOR. Li a 2 zfafizkz BY MM w. W
ATTORNEY United States Patent EVAPORATION DISSEMZNATOR Sidney Rubin, Morristown, N. J.
Application November 24, 1953, Serial No. 394,186
2 Claims. (Cl. 21- 120) My invention relates generally to evaporation disseminators intended to disseminate deodorants, insecticides, perfumes or similar volatile materials and specifically relates to devices of this class, which utilize the heat supplied by an external object, such as an incandescent lamp.
It is among the objects of my invention to provide a simple evaporation disseminator which is easily secured to an incandescent lamp, has a minimum of parts, is durable, relatively easy to construct, maintain and clean and is capable of disseminating large quantities of volatile material over a large area.
It is among the further objects of my invention to provide a device which is relatively inexpensive.
Yet a further object of my invention is to provide a device from which it is difficult to spill or discharge the contained volatile material, even though it may be inverted.
It is yet a further object of my invention to provide an evaporation disseminator which may be mounted at any angle other than the horizontal and will continue to efiiciently function in spite of variant positions assumed.
Among the further objects of my invention is to provide a device of the class described which makes use of the principles of convection of air currents, to assist and stimulate the processes of dissemination of volatile materials.
These objects and advantages, as well as other objects and advantages may be achieved by the device illustrated in the appended drawings in which:
Figure 1 is a side elevational view of the evaporation disseminator attached to an incandescent lamp;
Figure 2 is a perspective view of the evaporation dis seminator;
Figure 3 is a top plan view thereof;
Figure 4 is a bottom view thereof;
Figure 5 is a partial cross-sectional view thereof; and
Figure 6 is a view of the insert included in the evaporation disseminator.
Referring now to the drawings in detail, my evaporation disseminator comprises a chamber 11 which is a cylindrical tube. At the bottom of the tube, a vorticular flange 12 extends inwardly a brief distance. From the top of this flange 12 a funnel 13 extends upwardly rising more sharply than the flange 12. Both the flange 12 and the funnel 13 are annular in form and define a passage to direct upwardly, a rising current of air. It is preferred that the vaporizer chamber 11 be formed of metal with a high coefficient thermal conduction, or some similar material with the same attribute. A double-wire loop 14 is also provided. This loop 14 has two annular portions 15 which are calculated to embrace the vaporizer. These annular portions 15 should be relatively nonresilient and should engage the vaporizer in a firm grip. It is optional to secure them to the vaporizer body by cement or by welding. The other end of the double wire loop should provide two annular corresponding portions 16. These portions 16 should be deformable and resilient, so as to engage an incandescent lamp globe 17 2,741,813 Patented Apr. 17, 1956 and secure the vaporizer chamber 11 to the globe 17. Thus, with the globe and the body of the vaporizer disposed in juxtaposition, heat transfer will take place between the globe 17 and the vaporizer 11. The flange 12 and the funnel 13 will rise to an elevated temperature. The air adjacent to the flange on the funnel will have its temperature raised. The air will consequently expand and a current of rising air will course through the tubular vaporizer 11. A tubular cylinder of cotton 18, or some similar highly absorbent material, will be disposed in the vaporizer 11 and seated on the flange 12 or funnel 13. The cylinder may be impregnated with deodorants, perfumes, insecticides or the like. Such materials should be characterized by their volatility. Thus, the constant coursing of a current of air through the vaporizer and the heat from the walls of the vaporizer 11 will cause the vaporization of the volatile substance; the current of air coursing through the body of the vaporizer 11 will cause it to be widely disseminated. Since the volatile material is held by the absorbent cylinder, the accidental inversion of the vaporizer will not cause such material to be deposited on persons in the vicinity, on foods, or the like. Thus, my vaporizer is safe to use. By varying the dimensions of the funnel 13 opening, the rate of dissemination may be controlled to any desirable rate. The size of the incandescent lamp 17 will likewise control the rate of dissemination.
The foregoing description is merely intended to illustrate an embodiment of the invention. The component parts have been shown and described. They each may have substitutes which may perform a substantially similar function; such substitutes may be known as proper substitutes for the said components and may have actually been known or invented before the present invention; these substitutes are contemplated as being within the scope of the appended claims, although they are not specifically catalogued herein.
1. An evaporation disseminator comprising a tubular chamber open at the top, an inverted vorticular floor rising upwardly from the bottom of the chamber and having a central opening, a tubular piece of absorbent material disposed in the chamber and positioned on the floor with the central opening of the floor in coincidence with the hollow center of the absorbent material, and a means mounted on the chamber for securing the chamber in heat exchange relation to a source of heat.
2. An evaporation disseminator comprising a tubular vertically disposed chamber made of material having a high coefficient of thermal conduction, an inverted vorticular floor in and connected to the bottom of the chamber and rising upwardly inside the chamber with a central opening at the top of the floor, a tube of absorbent material disposed in the chamber and positioned with its lower end on the floor and with its hollow center in coincidence with the opening in the floor, a means mounted on the chamber for vertically and releasably securing the chamber in heat exchange relation alongside of an electric light bulb whereby the temperature of the chamber will be raised and-convection currents of air will pass through the tubular chamber.
References Cited in the file of this patent UNITED STATES PATENTS 1,556,680 Dorment Oct. 13, 1925 2,143,246 McGary Jan. 10, 1939 2,207,889 Kingman July 16, 1940 2,220,583 Schnebly et al Nov. 5, 1940 2,468,164 Brewster Apr. 26, 1949 FOREIGN PATENTS 926,187 France Apr. 14, 1947
|Cited Patent||Filing date||Publication date||Applicant||Title|
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|US2143246 *||Jul 21, 1937||Jan 10, 1939||Vaporizer|
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|US2468164 *||Apr 5, 1946||Apr 26, 1949||Brewster Gordon L||Vaporizer device|
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|U.S. Classification||422/305, 392/393, 248/311.2, 261/DIG.890, 248/229.17, 392/390, 392/395|
|International Classification||A01M1/20, A01M13/00|
|Cooperative Classification||Y10S261/89, A01M1/2088|