Claims
- 1. A diffusing fogger, comprising a soundproof case, an air compressor having an inlet and outlet mounted within the case, a heat exchanger connected to the outlet of the air compressor for cooling compressed air, a water trap connected to an outlet of the heat exchanger for removing water from the cooled compressed air, a venturi nozzle connected to the water trap for releasing dry compressed air, an oil supply connected to the nozzle for drawing oil from the oil supply into the nozzle and atomizing the oil with the dry compressed air and releasing atomized oil from the nozzle, a fan mounted in the case for drawing air into the case and drawing air over the air compressor for cooling the air compressor, and air-directing ducts for directing air from the fan over the compressor and the heat exchanger and directing hot air from the heat exchanger out of the case, and further air-directing ducts for directing air from the fan out of the case around the atomized oil and air from the nozzle.
- 2. The apparatus of claim 1, wherein the case is an insulated case having one inlet for drawing in air and a baffle around which air passes, parallel fans mounted in apertures for drawing air in through the inlet and around the baffle, and first and second hot air outlets for releasing air heated by the air compressor and the heat exchanger, and a horizontally elongated outlet for releasing ambient air and oil fog.
- 3. The apparatus of claim 2, wherein the single air inlet is located in the bottom of a box, wherein the baffle comprises a shelf extending partially across the bottom of the box above the inlet, wherein the fans are mounted in parallel openings in a shelf above the baffle shelf, wherein the compressor is mounted directly above the fans, wherein the warm air ducts are positioned laterally adjacent the compressor, and wherein the nozzle is mounted in a nozzle assembly positioned opposite the baffle.
- 4. The diffusion fogger of claim 3, wherein the nozzle assembly is separated from the baffle by a vertically positioned insulated cover.
- 5. The diffusion fogger apparatus of claim 1, wherein the case comprises a generally rectangular insulated container having a relatively large back wall, opposite side walls and top and bottom walls, an elongated air inlet opening in the bottom wall near the back wall, a horizontal baffle shelf extending between the side walls along the back wall above the inlet opening, and a horizontal fan opening shelf positioned above the horizontal baffle wall, and first and second fans positioned in first and second openings in the fan shelf for drawing air from the inlet opening around the baffle wall and through the fan openings a sound suppressing cover fitted between the fan opening shell and the bottom for completing a baffle box with an elongated opening between a front edge of the baffle wall and the sound insulating cover, first and second exhaust ducts mounted inside opposite sides and extending forward from the back wall, and first and second exhaust openings in the back wall communicating with the exhaust ducts, the exhaust ducts leaving entrance openings at positions spaced downward from the top, the compressor positioned in the container between the exhaust ducts and spaced above the fans and below the top for flowing air over the compressor and out through the exhaust ducts, an air intake in the compressor near the fans and a compressed air exhaust on the compressor, the heat exchanger connected to the compressed air exhaust and positioned in an air stream between the fans and the exhaust openings for cooling the heat exchanger and compressed air in the heat exchanger with air in the exhaust duct, a nozzle assembly positioned in the container opposite the sound-insulating cover and a conduit connecting the heat exchanger with the nozzle assembly, the nozzle assembly having an outlet for delivering oil mist and decompressed air, a partition cover vertically positioned in the box between the side walls and spaced from the front wall for forming with the front wall and portions of the side walls a fog delivery duct, the partition having openings for receiving air from the fans for mixing the fan-driven air with oil mist and decompressed air, and the front wall having an elongated horizontally-extending opening near the top for flowing fan-driven air, oil mist and compressed air out of the opening as a diffusion fog.
- 6. The apparatus of claim 5, wherein the container is constructed as a road case, with caster wheels connected to a bottom wall and handles connected to side walls.
- 7. The apparatus of claim 5, wherein the top and bottom and side walls are divided and wherein the divided portions of one side wall are hinged together, whereby the container is formed with a relatively deep laterally-opening box and a relatively shallow laterally-opening box, wherein the air inlet, the baffle shelf and the fan supporting shelf, the exhaust ducts and the compressor are mounted in the relatively deep box, and wherein the nozzle assembly and the fog duct are positioned in the relatively shallow box.
- 8. The apparatus of claim 5, wherein the container is entirely lined with 1/4 inch foam, wherein the side, top, bottom, rear and front walls are joined together by angular aluminum strips, and wherein the top and bottom walls, baffle shelf and fan shelf and exhaust duct additionally are lined with 1 inch foam, and wherein additional layers of 1/2 inch and 1/4 inch foam are interposed between the 1/4 inch and 1 inch foam on the top wall.
- 9. The fogger apparatus of claim 5, wherein the nozzle assembly comprises a multiple layer, thin, rectangular nozzle head and filter box, comprising a first lower oil sump chamber, an oil intake manifold at the bottom of the chamber, the oil intake manifold having vertically-oriented oil line connectors and oil filters horizontally-extending into the oil manifold, a site glass connected to a side of the oil sump chamber, an opening in the top of the oil sump chamber, oil tubes connected to the oil line connectors on the manifold and extending upward through the opening in the top of the oil sump chamber, a nozzle chamber, an opening in a bottom of the nozzle chamber aligned with the opening in the top of the oil sump chamber, an air manifold positioned in the nozzle chamber, a plurality of nozzles having inlets connected to the air manifold and having spray nozzle outlets, and having oil inlets on the nozzles between the air inlets and the spray nozzles, the oil lines being connected to the oil inlets for drawing oil through the filters and oil manifold and oil lines into the nozzles, with air flowing through the nozzles from the air manifold, the nozzle chamber having a cover, a small opening in the cover aligned with the air manifold and a compressed air connector connected to the air manifold through the small opening, a nozzle access hole in the nozzle chamber cover near the small hole for accessing the nozzles, a mist flow hole in the cover remote from the nozzle access hole for flowing mist upward through the cover, a marble maze chamber positioned above the nozzle chamber, the marble maze chamber having side walls and a bottom wall with a plurality of openings above the mist opening in the nozzle chamber for flowing mist through the plurality of openings, marbles disposed in the marble chamber, a cover on the marble chamber having a mist-releasing opening at an end of the chamber opposite the plural mist-flowing openings in the bottom of the marble chamber, a filter chamber positioned above the marble chamber, the filter chamber having plural marble-restricting openings in a bottom wall and a mist-releasing opening in a top wall at a position thereon remote from the marble-restricting openings in the bottom wall, and a mist exhaust connected to the opening in the top wall of the filter chamber.
- 10. The apparatus of claim 9, further comprising vertically extending bolts extending downward through the filter chamber, through the marble chamber, through the nozzle chamber and through the cover of the oil sump chamber and holding the chambers vertically assembled together.
- 11. The apparatus of claim 9, further comprising a handle connected to the bolts and positioned on the cover of the filter chamber for lifting and carrying the assembly.
- 12. The apparatus of claim 9, further comprising bolts extending through the filter chamber, through the marble chamber, through the nozzle chamber and through part of the oil sump chamber and holding the chambers assembled together.
- 13. The apparatus of claim 12, further comprising a handle connected to the bolts and positioned on the filter chamber for lifting and carrying the mist head assembly.
- 14. Fogger apparatus comprising a multiple layer, thin, rectangular nozzle head and filter box, comprising a first lower oil sump chamber, an oil intake manifold at the bottom of the chamber, the oil intake manifold having vertically-oriented oil line connectors and oil filters horizontally-extending into the oil manifold, a site glass connected to a side of the oil sump chamber, an opening in the top of the oil sump chamber, oil tubes connected to the oil line connectors and extending upward through the opening in the top of the oil sump chamber, a nozzle chamber, an opening in a bottom of the nozzle chamber aligned with the opening in the top of the oil sump chamber, an air manifold positioned in the nozzle chamber, a plurality of nozzles having inlets connected to the air manifold and having spray nozzle outlets, and having oil inlets on the nozzles between the air inlets and the spray nozzles, the oil lines being connected to the oil inlets for drawing oil through the filters and oil manifold and oil lines into the nozzles, with air flowing through the nozzles from the air manifold, the nozzle chamber having a small opening aligned with the air manifold and a compressed air connector connected to the air manifold through the small opening, a nozzle access hole in the nozzle chamber near the small hole for accessing the nozzles, a mist flow hole remote from the nozzle access hole for flowing mist outward, a marble maze chamber positioned adjacent the nozzle chamber, the marble maze chamber having a plurality of openings adjacent the mist opening in the nozzle chamber for flowing mist through the plurality of openings, marbles disposed in the marble chamber, the marble chamber having a mist-releasing opening at an end of the chamber opposite the plural mist-inflow openings in the marble chamber, a filter chamber positioned adjacent the marble chamber, the filter chamber having plural marble-restricting openings in a wall and a mist-releasing opening in a wall at a position thereon remote from the marble-restricting openings wall, and a mist exhaust connected to the mist-releasing opening in the top wall of the filter chamber.
- 15. Fog head apparatus comprising a compressed air connector, an air manifold connected to the compressed air connector for receiving compressed air from the connector, plural venturi spray nozzles having inlets connected to the air manifold, having suction ports and having spray nozzle head outlets, oil supply lines connected to the suction ports, a nozzle chamber surrounding the nozzles and a maze chamber connected to the nozzle chamber for passing oil mist sprayed from the spray nozzle heads through the maze, the maze chamber having an outlet, and a filter chamber having an inlet connected to the outlet of the maze chamber, the filter chamber having a foam filter and a mist outlet port connected to the filter chamber remote from the filter chamber inlet.
- 16. The apparatus of claim 15, further comprising an oil sump positioned beneath the nozzles, oil in the sump, an oil manifold in the oil, the oil manifold having connections connected to the oil lines and having intake ports and intake filters connected to the intake ports of the oil manifold.
- 17. The apparatus of claim 15, further comprising a fog duct surrounding the mist port, air inlet means in the fog duct adjacent the mist port and fog outlet means in the fog duct remote from the mist port and the air inlet means for entraining mist in the air flowing through the inlet port and outlet port for flowing a fog to a desired location.
- 18. The apparatus of claim 17, further comprising a fan chamber connected to the air inlets, fans within the fan chamber, and a fan intake baffle chamber connected to the fan chamber and inlet means in the baffle chamber remote from the fan chamber for flowing air inward through the baffle chamber into the fan chamber and out through the openings in the fog duct.
- 19. The apparatus of claim 18, further comprising an air compressor mounted in a compressor chamber adjacent the fan chamber, an outlet on the air compressor connected to a compressed air connector on the air manifold, air exhaust outlets near the compressor for flowing air from the fan chamber around the compressor and out through the outlets.
- 20. The apparatus of claim 19, further comprising exhaust ducts mounted between the compressor and the air exhaust outlets and a heat exchanger mounted near the exhaust ducts and connected in the compressed air line between the air compressor and the compressed air connector for removing heat from the compressed air in the heat exchanger with air moving through the exhaust ducts.
- 21. The apparatus of claim 20, further comprising a road case having insulated walls surrounding and forming the baffle chamber, the fan chamber, the mist duct, the compressor chamber and the exhaust duct.
- 22. The apparatus of claim 21, further comprising a power cord having a 110 volt AC plug connected to the road case, a switch connected to the power cord, the power cord being connected to the fans and to the air compressor for turning on the air compressor and fans when the switch is turned on for creating and delivering fog by providing compressed air to the venturi nozzle array, drawing oil from the sump with the compressed air flowing through the nozzles, spraying the oil in a fine mist with the nozzles and decompressed air, turning and filtering the mist and mixing the mist with air currents from the fans and carrying the mist with the fan-blown air currents.
- 23. A mist head assembly comprising a plurality of chambers, a first chamber being an oil sump chamber having oil intake means, a second chamber being a nozzle chamber adjacent the first chamber and having a plurality of spray nozzles with receiving means for air and receiving means for oil, and having a mist flow hole for allowing mist to flow from the nozzle chamber, a maze chamber positioned adjacent to the nozzle chamber having a plurality of openings for receiving mist, and having means for collection of large mist particles and passage of finer mist particles, and having an opening for releasing the mist from the maze chamber, a filter chamber positioned adjacent to the maze chamber having a plurality of openings for receiving mist from the maze chamber and having a mist releasing opening, the entire mist head assembly being assembled together as one unit.
- 24. A mist head assembly comprising a vertical assembly of chambers, a first lower chamber being an oil sump chamber, an oil intake manifold at the bottom of the oil sump chamber, the oil intake manifold having vertically orientated oil line connectors and oil filters horizontally extending into the oil manifold, a sight glass connected to a side of the oil sump chamber, an opening in the top of the oil sump chamber, oil tubes connected to the oil line connectors on the manifold and extending upward through the opening in the top of the oil sump chamber, a nozzle chamber atop and adjacent to the oil sump chamber, an opening in a bottom of the nozzle chamber aligned with the opening in the top of the oil sump chamber, an air manifold positioned in the nozzle chamber, a plurality of nozzles having inlets connected to the air manifold and having spray nozzle outlets, and having oil inlets on the nozzles between the air inlets and the spray nozzles, the oil lines being connected to the oil inlets for drawing oil through the filters and oil manifold and oil lines into the nozzles, with air flowing through the nozzles from the oil manifold, the nozzle chamber having a small opening aligned with the air manifold and a compressed air quick coupling connector connected to the air manifold through the small opening, a nozzle access hole in the nozzle chamber near the small hole for accessing the nozzles, a mist flow hole remote from the nozzle access hole for flowing mist outward, a marble maze chamber positioned atop and adjacent the nozzle chamber, the marble maze chamber having a plurality of openings adjacent the mist opening in the nozzle chamber for flowing mist through the plurality of openings, marbles disposed in the marble chamber, the marbles being balls of a hard material that does not absorb oil, the marble chamber having a mist releasing opening at an end of the chamber opposite the plurality of mist inflow openings in the marble chamber, a filter chamber positioned atop and adjacent to the marble chamber, the filter chamber having plural marble restricting openings in a wall and a mist releasing opening in a wall at a position thereon remote from the marble restricting opening wall, and a mist exhaust connected to the mist releasing opening in the top wall of the filter chamber, bolts extending through the filter chamber, through the marble chamber, through the nozzle chamber and through parts of the oil sump chamber and holding the chambers assembled together, a handle connected to the bolts and positioned on the filtered chamber for lifting the carrying the entire mist head assembly as one unit to be easily removed from or installed within a fogger assembly.
Parent Case Info
This application is a continuation of application Ser. No. 348,775, filed May 8, 1989.
US Referenced Citations (26)
Continuations (1)
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Number |
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Country |
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348775 |
May 1989 |
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