US3382603A - Method and apparatus for vaporizing material - Google Patents

Method and apparatus for vaporizing material Download PDF

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US3382603A
US3382603A US561938A US56193866A US3382603A US 3382603 A US3382603 A US 3382603A US 561938 A US561938 A US 561938A US 56193866 A US56193866 A US 56193866A US 3382603 A US3382603 A US 3382603A
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medium
exhaust
heat
reservoir
container
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US561938A
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Edwin L Oberto
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Acme Burgess Inc
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Burgess Vibrocrafters Inc
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Assigned to ACME BURGESS, INC. reassignment ACME BURGESS, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE AS OF 5/27/8O Assignors: BURGESS VIBROCRAFTERS, INC.
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M13/00—Fumigators; Apparatus for distributing gases

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  • the present invention relates to a method and apparatus for producing an aerosol from a material such as an insecticide or a herbicide, and the following disclosure thereof is offered for public dissemination upon the grant of a. patent therefor.
  • One common procedure for vaporizing insecticides, etc. is to provide a solution of the material in a carrier. The solution is then sprayed and heated to produce an aerosol.
  • the present invention involves the liquidizing of the material by heat without the use of a carrier.
  • dispersions by use of the present invention.
  • the use of the present invention is not limited to dispensing materials that are soluble in a suitable vehicle. Also, it eliminates the dange or combustion of the vaporized vehicle, which is an oil or other volatile solvent in many presently employed formulations.
  • the present invention employs an internal combustion engine as a source of heat, thus it is capable of being employed in locations in which electricity is not available. Since the heat is derived from the exhaust system, there is the advantage of lack of moving parts as compared to devices driven by an internal combustion engine, which devices do work in order to obtain heat.
  • An important feature of the invention is the manner of controlling the heat employed for useful purposes, e.g., of controlling the temperature for melting the solid material. This is important since some materials are deleteriously affected by excess heat. While engine exhaust systems previously have been used as a source of heat there has been no adequate means in the prior art for controlling the amount of heat thus employed, to the best of my knowledge.
  • FIGURE 1 is a diagrammatic illustration of an embodiment of the present invention.
  • FIGURE 2 is a modification of the embodiment of FIGURE 1.
  • heat is transferred from the engine exhaust to the material which is liquified through a heat transfer medium.
  • the liquified material is then carried into the engine exhaust where it is further heated and vaporized.
  • the discharge of the engine exhaust provides the force to deliver the aerosol at the area of application.
  • a reservoir of the heat transfer medium is maintained with ambient air conditions being employed to stabilize the temperature of the medium in the reservoir.
  • a second body of the heat transfer medium is maintained in heat exchange relationship with the engine exhaust and in heat exchange relationship with the material. Cooled medium from the reservoir is added to the body of medium that is in heat exchange relationship at a rate which will maintain the temperature of the latter at the desired level. Normally this is done by means of a continuous circulation of the medium between the heat exchange body thereof and the reservoir, with temperature control being achieved by means of control of the amount of that circulation.
  • herbicides such as atrazine, dicamba and trifluralin from the solid state.
  • rate of circulation of the medium By varying the rate of circulation of the medium one can achieve a melting temperature suitable for the material being employed, even though the materials have widely different melting ranges.
  • trifluralin has a melting temperature of 46-47 degrees Centigrade
  • atrazine has a melting temperature of 173-175 degrees centigrade.
  • an insecticide such as heptachlor which has a melting temperature of -96 degrees centigrade.
  • FIGURE 1 illustrates an internal combustion engine 10, having an exhaust pipe 11.
  • the exhaust pipe defines a venturi 12 and has a discharge opening 13.
  • Pipe 11 extends through a container 15 for holding a heat exchange medium 16.
  • the walls of container 15 are insulated, as illustrated at 17, in order to achieve a more uniform temperature in the container and prevent heat losses therefrom.
  • the container is provided with a removable lid 18.
  • Within the container is a melting tank 19 in which is received the material 20 to be vaporized. In the usual case that material will be in solid form before heat is applied in accordance with the present invention.
  • Reservoir 24 is exposed to ambient air conditions so as to cool the medium 16 therein. If additional heat transfer out of the reservoir is required, means such as fins 25 are employed in the manner of a radiator.
  • the amount of heat transfer out of reservoir 24, and the quantity of medium 16 in reservoir 24 as compared to the amount of medium 16 in container 15, should be such that the medium in the reservoir will have a comparatively stable temperature (substantially below the temperature of the medium in container 15) under normal operating conditions.
  • a pump 26 and a regulating valve 27 are provided in pipe 23 to control the flow between the reservoir and the container. As indicated by dot-dash line 28, pump 26 is driven by engine 10. However, in some instances the pump 26 can be dispensed with and the circulation between the reservoir and the container achieved by gravity.
  • a temperature responsive bulb or sensing element 30 is mounted in container 15 in heat exchange relationship with the medium 16 and with tank 19 (and thus in heat exchange relationship with the material 20).
  • the sensing element 30 will only be in temperature exchange relationship with the medium 16 and in other embodiments only with the tank (and contents) 19.
  • the bulb is employed to automatically control the setting of valve 27 and thus the flow through pipe 23. It is also employed to automatically control the discharge of pump 26, as indicated by line 31a.
  • the point is to control the circulation between the reservoir and the container so as to maintain the temperature of the medium 16 in the container 15 (and thus that of the material 20) at a predetermined level. This level may be preset by hand wheel 32 on valve 27.
  • this automatic control over the circulation, to control the temperature is achieved solely by pump 26, while in other embodiments it will be achieved solely by means of valve 27.
  • a conduit 34 has one end 35 in communication with the interior of tank 19, and the other end 36 positioned in the low ressure area achieved in the exhaust pipe 11 by venturi 12.
  • a valve 37 is mounted in conduit 34 to control the rate of flow therethrough. The setting of valve 37 is achieved by a hand Wheel 38.
  • the rate of flow of the medium 16 between reservoir 24 and tank 15 is adjusted so that the temperature of the medium 16 in the container 15 will be suitable for melting the material 20 in tank 19.
  • the melted material is drawn through pipe 34 and discharged into the exhaust of the engine at conduit end 36. It will be noted that a portion of pipe 34 upstream of end 36 extends down through the exhaust pipe 11 in heat exchange relationship with the exhaust. The extent of this heat exchange relationship (i.e., length of pipe so exposed to additional heat) can be sufficient to supply an amount of heat to the material 20 so that the material is about at its vaporization point when it reaches end 36.
  • Vaporization should not occur before end 36 is reached as this will cause a vapor lock,
  • the vaporized material is discharged out of end 13 of the exhaust pipe, which end is positioned so as to discharge the vaporized material, or aerosol, where desired.
  • the flow through conduit 34 is achieved both by gravity and by the vacuum provided by venturi 12.
  • venturi 12 could be eliminated and it would even be possible to have discharge end 36 of the conduit downstream from the discharge end 13 of the exhaust pipe, provided that pressure atomization is employed.
  • the vaporized material still would be within the exhaust and would be dispersed by the engine exhaust.
  • atomization is achieved through the use of the venturi.
  • FIGURE 2 there is no additional heating of the material in pipe 34 as occurs in pipe 34 in FIGURE 1.
  • Pipe 34 has a small opening 36 directly at the wall of the venturi 12.
  • a method of producing an aerosol by using an internal combustion engine to vaporize a solid material comprising the steps of: transferring heat from the exhaust of said engine to said material to liquify the same; introducing said material after liquification into said exhaust and vaporizing the same; and releasing said exhaust to- Ward the object to be treated.
  • An apparatus for discharging a vaporized material and using an internal combustion engine and the material including: a heating tank for holdig said material; a liquid heat transfer medium in heat transfer relationship with said tank; an engine exhaust pipe in heat transfer relationship with said medium; and a conduit having one end positioned to pickup the liquid material from the tank and the other end positioned to discharge the material into said exhaust; whereby heat will be transferred through said medium from said exhaust to said material to heat the same, and the material conducted to said exhaust will be vaporized by said exhaust.
  • said flow control means includes a pump operatively connected to said engine to be driven thereby for pumping the medium between said reservoir means and said container means.
  • said exhaust pipe includes a venturi defining a relatively low pressure area in said exhaust pipe in relation to the pressure elsewhere in the pipe, said other end being positioned in said area.

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Description

May 14, 1968 E L. OBERTO 3,382,603
METHOD AND APPARATUS FOR VAPORIZING MATERIAL Filed June 30, 1966 Internal Combustion Inventor Edwin. L. Oberto E lama-K m WMW fl-Hornegs United States Patent Delaware Filed June 30, 1966, Ser. No. 561,938 20 Claims. (Cl. 43-129) The present invention relates to a method and apparatus for producing an aerosol from a material such as an insecticide or a herbicide, and the following disclosure thereof is offered for public dissemination upon the grant of a. patent therefor.
One common procedure for vaporizing insecticides, etc. is to provide a solution of the material in a carrier. The solution is then sprayed and heated to produce an aerosol. The present invention involves the liquidizing of the material by heat without the use of a carrier. Thus by dispensing with the necessity for formulation there is a cost advantage in producing insecticide, etc., dispersions by use of the present invention. Furthermore, the use of the present invention is not limited to dispensing materials that are soluble in a suitable vehicle. Also, it eliminates the dange or combustion of the vaporized vehicle, which is an oil or other volatile solvent in many presently employed formulations.
The present invention employs an internal combustion engine as a source of heat, thus it is capable of being employed in locations in which electricity is not available. Since the heat is derived from the exhaust system, there is the advantage of lack of moving parts as compared to devices driven by an internal combustion engine, which devices do work in order to obtain heat.
An important feature of the invention is the manner of controlling the heat employed for useful purposes, e.g., of controlling the temperature for melting the solid material. This is important since some materials are deleteriously affected by excess heat. While engine exhaust systems previously have been used as a source of heat there has been no adequate means in the prior art for controlling the amount of heat thus employed, to the best of my knowledge.
Further objects and advantages will be apparent from the following description taken in conjunction with the drawings in which:
FIGURE 1 is a diagrammatic illustration of an embodiment of the present invention; and
FIGURE 2 is a modification of the embodiment of FIGURE 1.
Although the following disclosure offered for public dissemination is detailed to ensure adequacy and aid understanding, this is not intended to prejudice that purpose of a patent which is to cover each new inventive concept therein no matter how others may later disguise it by variations in form or additions or further improvements. The claims at the end hereof are intended as the chief aid toward this purpose; as it is these that meet the requirement of pointing out the parts, improvements, or combinations in which the inventive concepts are found.
In the present invention heat is transferred from the engine exhaust to the material which is liquified through a heat transfer medium. The liquified material is then carried into the engine exhaust where it is further heated and vaporized. The discharge of the engine exhaust provides the force to deliver the aerosol at the area of application. To control the heat, a reservoir of the heat transfer medium is maintained with ambient air conditions being employed to stabilize the temperature of the medium in the reservoir. A second body of the heat transfer medium is maintained in heat exchange relationship with the engine exhaust and in heat exchange relationship with the material. Cooled medium from the reservoir is added to the body of medium that is in heat exchange relationship at a rate which will maintain the temperature of the latter at the desired level. Normally this is done by means of a continuous circulation of the medium between the heat exchange body thereof and the reservoir, with temperature control being achieved by means of control of the amount of that circulation.
By use of this method one can vaporize herbicides, such as atrazine, dicamba and trifluralin from the solid state. By varying the rate of circulation of the medium one can achieve a melting temperature suitable for the material being employed, even though the materials have widely different melting ranges. For example, trifluralin has a melting temperature of 46-47 degrees Centigrade, while atrazine has a melting temperature of 173-175 degrees centigrade. One can vaporize an insecticide such as heptachlor which has a melting temperature of -96 degrees centigrade.
FIGURE 1 illustrates an internal combustion engine 10, having an exhaust pipe 11. The exhaust pipe defines a venturi 12 and has a discharge opening 13. Pipe 11 extends through a container 15 for holding a heat exchange medium 16. The walls of container 15 are insulated, as illustrated at 17, in order to achieve a more uniform temperature in the container and prevent heat losses therefrom. The container is provided with a removable lid 18. Within the container is a melting tank 19 in which is received the material 20 to be vaporized. In the usual case that material will be in solid form before heat is applied in accordance with the present invention.
Two pipes, 22 and 23 respectively, connect container 15 to a reservoir 24. Reservoir 24 is exposed to ambient air conditions so as to cool the medium 16 therein. If additional heat transfer out of the reservoir is required, means such as fins 25 are employed in the manner of a radiator. The amount of heat transfer out of reservoir 24, and the quantity of medium 16 in reservoir 24 as compared to the amount of medium 16 in container 15, should be such that the medium in the reservoir will have a comparatively stable temperature (substantially below the temperature of the medium in container 15) under normal operating conditions. A pump 26 and a regulating valve 27 are provided in pipe 23 to control the flow between the reservoir and the container. As indicated by dot-dash line 28, pump 26 is driven by engine 10. However, in some instances the pump 26 can be dispensed with and the circulation between the reservoir and the container achieved by gravity.
A temperature responsive bulb or sensing element 30 is mounted in container 15 in heat exchange relationship with the medium 16 and with tank 19 (and thus in heat exchange relationship with the material 20). In some embodiments the sensing element 30 will only be in temperature exchange relationship with the medium 16 and in other embodiments only with the tank (and contents) 19. As indicated by dot-dash line 31, the bulb is employed to automatically control the setting of valve 27 and thus the flow through pipe 23. It is also employed to automatically control the discharge of pump 26, as indicated by line 31a. As previously explained, the point is to control the circulation between the reservoir and the container so as to maintain the temperature of the medium 16 in the container 15 (and thus that of the material 20) at a predetermined level. This level may be preset by hand wheel 32 on valve 27. In some embodiments this automatic control over the circulation, to control the temperature, is achieved solely by pump 26, while in other embodiments it will be achieved solely by means of valve 27.
A conduit 34 has one end 35 in communication with the interior of tank 19, and the other end 36 positioned in the low ressure area achieved in the exhaust pipe 11 by venturi 12. A valve 37 is mounted in conduit 34 to control the rate of flow therethrough. The setting of valve 37 is achieved by a hand Wheel 38.
The rate of flow of the medium 16 between reservoir 24 and tank 15 is adjusted so that the temperature of the medium 16 in the container 15 will be suitable for melting the material 20 in tank 19. The melted material is drawn through pipe 34 and discharged into the exhaust of the engine at conduit end 36. It will be noted that a portion of pipe 34 upstream of end 36 extends down through the exhaust pipe 11 in heat exchange relationship with the exhaust. The extent of this heat exchange relationship (i.e., length of pipe so exposed to additional heat) can be sufficient to supply an amount of heat to the material 20 so that the material is about at its vaporization point when it reaches end 36. Vaporization should not occur before end 36 is reached as this will cause a vapor lock, Of course, the vaporized material is discharged out of end 13 of the exhaust pipe, which end is positioned so as to discharge the vaporized material, or aerosol, where desired.
In the illustrated embodiment the flow through conduit 34 is achieved both by gravity and by the vacuum provided by venturi 12. In some embodiments either one or the other of these two procedures for achieving the flow of material can be employed alone. Thus, for example, venturi 12 could be eliminated and it would even be possible to have discharge end 36 of the conduit downstream from the discharge end 13 of the exhaust pipe, provided that pressure atomization is employed. The vaporized material still would be within the exhaust and would be dispersed by the engine exhaust. In the embodiments disclosed atomization is achieved through the use of the venturi.
In FIGURE 2 there is no additional heating of the material in pipe 34 as occurs in pipe 34 in FIGURE 1. Pipe 34 has a small opening 36 directly at the wall of the venturi 12.
It should be pointed out that the stabilization of the external temperature of exhaust pipe 11, will also have some stabilizing effect upon the amount of heat of the exhaust in the pipe. It is this latter heat that is employed in the final vaporization of the liquid material.
I claim:
1. A method of producing an aerosol by using an internal combustion engine to vaporize a solid material comprising the steps of: transferring heat from the exhaust of said engine to said material to liquify the same; introducing said material after liquification into said exhaust and vaporizing the same; and releasing said exhaust to- Ward the object to be treated.
2. The method of claim 1, wherein after said material has been liquified and immediately prior to its introduction, additional heat is transferred to the material from said exhaust.
3. The method of claim 1, wherein the heat is transferred from the exhaust to the material through a liquid transfer medium, and the temperature of said medium is selectively controlled.
4. The method of claim 3, wherein the temperature control of said medium is obtained by maintaining a reservoir of said medium, cooling the medium in said reservoir by exposure to ambient conditions, maintaining a body of heated medium in heat transfer relationship between said exhaust and said material, transferring the heated medium from said body to said reservoir at a controlled rate, and replacing the transferred medium by 4 moving cooled medium from the reservoir to the body thereof.
5. The method of claim 4, wherein after said material has been liquified and immediately prior to its introduction, additional heat is transferred to the material from said exhaust.
6. The method of claim 4, wherein the material is selected from the group consisting of herbicide and insecticide.
7. The method of claim 1, wherein said material is atomized and introduced into said exhaust without first introducing additional heat into the material beyond that employed to liquify the same.
8. An apparatus for discharging a vaporized material and using an internal combustion engine and the material, said apparatus including: a heating tank for holdig said material; a liquid heat transfer medium in heat transfer relationship with said tank; an engine exhaust pipe in heat transfer relationship with said medium; and a conduit having one end positioned to pickup the liquid material from the tank and the other end positioned to discharge the material into said exhaust; whereby heat will be transferred through said medium from said exhaust to said material to heat the same, and the material conducted to said exhaust will be vaporized by said exhaust.
9. An apparatus as set forth in claim 8, and including container means to hold a body of said medium about said tank and about said exhaust pipe; reservoir means for said medium and having two pipes connected to said container means; and flow control means connected to said reservoir means to control the flow of the medium between the reservoir means and the container means.
10. An apparatus as set forth in claim 9, wherein said flow control means is temperature responsive.
11. An apparatus as set forth in claim 10, wherein said flow control means has a temperature sensing member in heat transfer relationship with said medium.
12. An apparatus as set forth in claim 10, wherein said flow control means has a temperature sensing member in heat transfer relationship with the material in said tank.
13. An apparatus as set forth in claim 9, wherein said exhaust pipe extends through said container means.
14. An apparatus as set forth in claim 9, wherein said flow control means includes a pump operatively connected to said engine to be driven thereby for pumping the medium between said reservoir means and said container means.
15. An apparatus as set forth in claim 14, wherein said flow control means includes a valve.
16.- An apparatus as set forth in claim 8, wherein said exhaust pipe includes a venturi defining a relatively low pressure area in said exhaust pipe in relation to the pressure elsewhere in the pipe, said other end being positioned in said area.
17. An apparatus as set forth in claim 16, wherein said conduit extends through the interior of said pipe upstream of said area.
18. An apparatus as set forth in claim 16, including adjustable flow control means in said conduit.
19. An apparatus as set forth in claim 8, wherein a portion of said conduit is in heat transfer relationship with said exhaust.
20. An apparatus as set forth in claim 8, and including a container about said tank, said exhaust pipe extending through said container, said exhaust pipe including a venturi defining a relatively low pressure area in said pipe in relation to the pressure elsewhere in the pipe, said other end being positioned in said area, said conduit extending through the interior of said pipe upstream of said area, adjustable flow control means in said conduit, reservoir means for said medium and having two pipes connected to said container means; and flow control means connected to said reservoir means to control the flow of the medium between the reservoir means and the References Cited UNITED STATES PATENTS Hammond et a1 43-125 Metzger et a1. 43-125 Rupprecht 23-227 Loy et a1. 43-129 6 10/1953 Loy et a1. 252-359 8/1959 Cragg et a1. 239-129 1/1963 Johnson et a1. 43-129 9/1965 Tenney 252-359 4/ 1966 Durr et a1. 252-359 FOREIGN PATENTS 7/1951 Great Britain. 8/1962 Great Britain.
ALDRICH F. MEDBERY, Primary Examiner.

Claims (1)

1. A METHOD OF PRODUCING AN AEROSOL BY USING AN INTERNAL COMBUSTION ENGINE TO VAPORIZE A SOLID MATERIAL COMPRISING THE STEPS OF: TRANSFERRING HEAT FROM THE EXHAUST OF SAID ENGINE TO SAID MATERIAL TO LIQUIFY THE SAME; INTRODUCING SAID MATERIAL AFTER LIQUIFICATION INTO SAID EXHAUST AND VAPORIZING THE SAME; AND RELEASING SAID EXHAUST TOWARD THE OBJECT TO BE TREATED.
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490694A (en) * 1967-12-05 1970-01-20 Leo G Ashby Fountain
US3646701A (en) * 1970-05-04 1972-03-07 Mc Graw Edison Co Portable thermal fogger
US3766586A (en) * 1972-03-02 1973-10-23 E Krickovich Snow removal and vacuum sweeper with slurry disposal
US3788547A (en) * 1972-04-05 1974-01-29 W Stahl Spraying apparatus
WO1992015823A1 (en) * 1991-02-27 1992-09-17 Symtron Systems, Inc. Portable electric smoke generator
US5377628A (en) * 1992-12-15 1995-01-03 Adams; Joseph S. Exhaust cooling system
US5561942A (en) * 1994-06-08 1996-10-08 Mugno; Matthew W. Fire ant killing device and method
US5718221A (en) * 1996-01-11 1998-02-17 Lobato; Emmanuel J. Method for conversion of snow into water and disposal thereof and snow disposal apparatus therefor
US5787613A (en) * 1996-07-03 1998-08-04 Derome; Andre Method and apparatus for melting snow using exhaust and cooling system waste heat
US6279261B1 (en) * 1998-06-10 2001-08-28 Binker Materialschutz Gmbh Thermal pest control
US20120266521A1 (en) * 2011-04-25 2012-10-25 Asciutto Joseph S Burrowing Vermin Exterminator
US20130181064A1 (en) * 2010-09-22 2013-07-18 Xeda International Thermal fogging device using a liquid and related method
US9677235B2 (en) * 2009-01-26 2017-06-13 Ncc Construction As Plant and method for melting and cleaning of snow and ice
US9848593B2 (en) * 2011-04-25 2017-12-26 Joseph Asciutto Method of fumigation of burrowing vermin tunnels

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1529785A (en) * 1923-04-30 1925-03-17 California Cyanide Company Fumigation
US1562902A (en) * 1924-02-15 1925-11-24 California Cyanide Company Inc Fumigating apparatus
US1919307A (en) * 1931-04-01 1933-07-25 Rupprecht George Method and apparatus for volatilizing sulphur
GB655033A (en) * 1947-03-06 1951-07-11 Harold Walter Seymour Improvements relating to fumigating and disinfecting apparatus
US2611992A (en) * 1950-06-02 1952-09-30 Kileze Company Inc Engine exhaust operated fluent material distributor
US2655406A (en) * 1951-05-24 1953-10-13 Cyril W Loy Fluent material distributor
US2901182A (en) * 1957-08-07 1959-08-25 Donaldson Co Inc Engine operated insecticide sprayer
GB903292A (en) * 1957-08-23 1962-08-15 Aerovap Holdings Ltd Method of and apparatus for distributing pesticides
US3074199A (en) * 1961-04-07 1963-01-22 Gen Implement Corp Thermal aerosol dispenser
US3205176A (en) * 1961-02-27 1965-09-07 William L Tenney Apparatus for producing fogs and the like
US3244641A (en) * 1957-05-24 1966-04-05 Heizmotoren Ges M B H Apparatuis for producing smoke or fog

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1529785A (en) * 1923-04-30 1925-03-17 California Cyanide Company Fumigation
US1562902A (en) * 1924-02-15 1925-11-24 California Cyanide Company Inc Fumigating apparatus
US1919307A (en) * 1931-04-01 1933-07-25 Rupprecht George Method and apparatus for volatilizing sulphur
GB655033A (en) * 1947-03-06 1951-07-11 Harold Walter Seymour Improvements relating to fumigating and disinfecting apparatus
US2611992A (en) * 1950-06-02 1952-09-30 Kileze Company Inc Engine exhaust operated fluent material distributor
US2655406A (en) * 1951-05-24 1953-10-13 Cyril W Loy Fluent material distributor
US3244641A (en) * 1957-05-24 1966-04-05 Heizmotoren Ges M B H Apparatuis for producing smoke or fog
US2901182A (en) * 1957-08-07 1959-08-25 Donaldson Co Inc Engine operated insecticide sprayer
GB903292A (en) * 1957-08-23 1962-08-15 Aerovap Holdings Ltd Method of and apparatus for distributing pesticides
US3205176A (en) * 1961-02-27 1965-09-07 William L Tenney Apparatus for producing fogs and the like
US3074199A (en) * 1961-04-07 1963-01-22 Gen Implement Corp Thermal aerosol dispenser

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490694A (en) * 1967-12-05 1970-01-20 Leo G Ashby Fountain
US3646701A (en) * 1970-05-04 1972-03-07 Mc Graw Edison Co Portable thermal fogger
US3766586A (en) * 1972-03-02 1973-10-23 E Krickovich Snow removal and vacuum sweeper with slurry disposal
US3788547A (en) * 1972-04-05 1974-01-29 W Stahl Spraying apparatus
WO1992015823A1 (en) * 1991-02-27 1992-09-17 Symtron Systems, Inc. Portable electric smoke generator
US5367603A (en) * 1991-02-27 1994-11-22 Symtron Systems, Inc. Smoke generator for firefighting trainers utilizing a metering venturi
US5377628A (en) * 1992-12-15 1995-01-03 Adams; Joseph S. Exhaust cooling system
US5561942A (en) * 1994-06-08 1996-10-08 Mugno; Matthew W. Fire ant killing device and method
US5718221A (en) * 1996-01-11 1998-02-17 Lobato; Emmanuel J. Method for conversion of snow into water and disposal thereof and snow disposal apparatus therefor
US5787613A (en) * 1996-07-03 1998-08-04 Derome; Andre Method and apparatus for melting snow using exhaust and cooling system waste heat
US6279261B1 (en) * 1998-06-10 2001-08-28 Binker Materialschutz Gmbh Thermal pest control
US9677235B2 (en) * 2009-01-26 2017-06-13 Ncc Construction As Plant and method for melting and cleaning of snow and ice
US20130181064A1 (en) * 2010-09-22 2013-07-18 Xeda International Thermal fogging device using a liquid and related method
US20120266521A1 (en) * 2011-04-25 2012-10-25 Asciutto Joseph S Burrowing Vermin Exterminator
US8955248B2 (en) * 2011-04-25 2015-02-17 Joseph S. Asciutto Burrowing vermin exterminator
US9848593B2 (en) * 2011-04-25 2017-12-26 Joseph Asciutto Method of fumigation of burrowing vermin tunnels

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