[특허]Gang mountable spray gun

Spraying Systems Co.

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Gang mountable spray gun

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-001/30
미국특허분류(USC)	239/583; 239/290; 239/296; 239/407; 239/411; 239/423; 239/424; 239/433; 239/551; 239/600
출원번호	US-0350813 (2003-01-24)
발명자 / 주소	Scotchmur, Ronald R. Ferrazza, Gerald P.
출원인 / 주소	Spraying Systems Co.
대리인 / 주소	Leydig, Voit & Mayer, Ltd.
인용정보	피인용 횟수 : 3 인용 특허 : 7

초록
▼

A liquid spray module which can be individually used, or which can be easily mounted in ganged side-by-side relation with a plurality of such modules. Each module includes a spray gun cartridge having liquid passages through the liquid to be sprayed, is directed and one or more air passages through which pressurized air may be directed for assisting in atomization of the liquid and controlling operating movement of a valve needle. Each spray gun cartridge further includes a manifold body having a central bore into which the spray gun cartridge is removably mounted and liquid and air inlet and outlet passages which communicate with the liquid and air spray gun cartridge passages. The spray gun cartridge is removable from the manifold body without disconnection of fluid supply lines to the manifold body and without removal of the manifold body from a ganged mounted array of such spray modules.

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청구항
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1. A liquid spray module comprising:a spray gun cartridge including an elongated cartridge body with a central liquid passage,a spray nozzle at a discharge end of said cartridge body having a liquid discharge orifice in communication with said cartridge body liquid passage,a valve needle mounted for reciprocating movement within said cartridge body for controlling liquid passage through said discharge orifice,said cartridge body having a cylinder air passage into which pressurized air may be directed for reciprocating said valve needle between on and off positions,said cartridge body having an atomizing air passage into which pressurized air may be directed for assisting in atomization of liquid to be discharged from said nozzle,a manifold body having an elongated bore extending therethrough into which said spray gun cartridge is removably mounted, andsaid manifold body having a liquid inlet passage and at least one pressurized air inlet passage on a common side thereof for connection with fluid supply lines for permitting communication of liquid to said spray gun cartridge liquid passage and pressurized air to said cylinder air and atomizing air passages when said spray gun cartridge is mounted in said manifold body bore, andsaid spray gun cartridge being removable from said manifold body without disconnection of said fluid supply lines from said manifold body. 2. The liquid spray module of claim 1 in which said spray gun cartridge is supported within said manifold body bore with the spray nozzle extending outwardly of one end of said manifold body and an upstream end of said cartridge extending outwardly of an opposite end of said manifold body. 3. The liquid spay module of claim 2 in which said spray nozzle includes a selectively removable air cap, and said module is mountable in said manifold body bore with said air cap disposed below the manifold body for removal and replacement from the nozzle without removal of said cartridge from said manifold body. 4. The liquid spray module of claim 1 in which said manifold body is a generally rectangular shaped block with said bore extending through top and bottom ends thereof, and said liquid and air inlet passages extend through a side of said manifold body into communication with said bore. 5. The liquid spay module of claim 3 in which said manifold body bore extends through top and bottom ends of said manifold body, said liquid and air inlet passages communicating with said bore through a side of said manifold body, and said manifold body has a liquid outlet passage and at least one pressurize air outlet passage communicating with said bore through a side of said manifold body opposite the side in which said inlet passages are formed. 6. The liquid spray module of claim 5 in which said spray gun cartridge and manifold body define respective circumferential passages between said liquid inlet and outlet passages and between said air inlet and outlet passages. 7. The liquid spray module of claim 5 including a removable adaptor plate mounted on a side of said manifold body for closing off said manifold body outlet passages. 8. The liquid spray module of claim 7 including an adaptor plate removably mounted on a side of said manifold body having liquid and air passages communicating with said liquid and air inlet passages in said manifold body, respectively, and liquid air supply lines connected to said adaptor plate in communication with said adaptor plate liquid, cylinder air, and atomizing and air passages, respectively. 9. The liquid spray module of claim 1 in which said manifold body is formed with two pressurized air inlet passages, said air inlet passages including a cylinder air inlet passage connectable to a cylinder air supply line and communicating with said cartridge cylinder air passage and an atomizing air inlet passage connectable to an atomizing air supply line and communicating with said cartridge atomizing air passage when said cartridge is mounted in said manifold body. 10. The liquid spray module of claim 9 including a plurality of annular sealing members interposed between an outer perimeter of said cartridge and said manifold body bore for sealing said liquid, air atomizing and cylinder air passages from each other. 11. The liquid spray module of claim 1 in which said cartridge body and manifold bore are inwardly tapered in a downstream direction. 12. The liquid spray module of claim 11 in which said nozzle body bore defines a plurality of tiers that are progressively smaller in diameter in a downstream direction, and including at least one annular sealing member between the manifold body bore and cartridge at each tier when said cartridge is mounted in said bore. 13. The liquid spray module of claim 12 in which said tiers each are generally cylindrical in shape. 14. The liquid spray module of claim 1 in which said valve needle is connected to a piston mounted for reciprocating movement under the control of pressurized air in said cylinder air passage between a valve closing position and a valve opening position, and a valve stop for limiting the stroke of movement of said valve piston upon movement to said valve opening position, and a liquid control member rotatably mounted on an upper end of said cartridge body, and said valve piston stop being adjustably positionable for selectively altering the stroke of piston movement in response to rotation of said control member. 15. The liquid spray module of claim 14 including a detent between said rotatable control member and said cartridge body for locating said control member at predetermined rotative positions. 16. The liquid spray module of claim 13 in which said detent includes a spring biased detent member mounted in one of said control member and cartridge body and a plurality of circumferentially spaced detent recesses formed in the other of said control member and cartridge body for receiving the detent member at selective rotative positions of said control member. 17. A liquid spraying system comprising a plurality of liquid spray modules, said modules each including a spray gun cartridge and a manifold body, said spray gun cartridges each including a cartridge body with a liquid passage into which pressurized liquid may be directed and an air passage into which pressurized air may be directed, a spray nozzle at a discharge end of said cartridge body having a liquid discharge orifice in communication with said cartridge body liquid passageway, and said manifold body of each module having an elongated bore extending therethrough into which a respective spray gun cartridge is removably mounted, said manifold body of each module having a liquid inlet passage communicating with the liquid passage of a spray gun cartridge mounted in said manifold body bore and a pressurized air inlet passage communicating with the air passage of a spray gun cartridge mounted in said manifold body bore, said manifold body of each module having a liquid outlet passage and a pressurized air outlet passage formed therein, respectively, communicating with the liquid and air passages of a spray gun cartridge mounted in said manifold body, said manifold bodies of a plurality of said modules being connected in a side-by-side array with respective liquid and air inlet and outlet passages of adjacent modules connected in fluid communication with each other, and each spray gun cartridge being removable from the respective manifold body in which it is mounted without disconnection of said manifold bodies from each other or removal of the manifold body from said array. 18. The liquid spraying system of claim 17 including respective fluid supply lines connected to the inlet passages of the manifold body of the fist module in the array and respective fluid discharge lines connected to the manifold body outlet passages of the last module of the array. 19. The spraying system of claim 18 in which said pipes are fixed between adjacent manifolds with ends of the pipes positioned in manifold body inlet and outlet passages. 20. The spraying system of claim 17 in which individual pipes interconnect the manifold body liquid and air inlet passages with respective liquid and air outlet passages of an adjacent module. 21. The spraying system of claim 20 in which said manifold bodies of the first and last modules of the array have annular seals about said manifold body inlet and outlet passages, said annular seals being exposed on a respective side of the manifold body, and a removable adaptor plate mounted on each side of the manifold body for retaining said annular seals. 22. The spraying system of claim 20 in which the manifold bodies of the module intermediate modules at opposite ends of said array each have annular seals about said manifold body inlet and outlet passages for sealing contact with a respective pipe positioned in the passage, and said annular seals each being located in recessed relation to a respective side of the manifold body of the intermediate module. 23. The liquid spraying system of claim 17 in which said liquid and air inlet passages of each manifold body are on a common side of the manifold body and said liquid and air discharge passages of each manifold body are on a common side of said manifold body opposite of said inlet passages. 24. The liquid spraying system of claim 23 in which said manifold body inlet passages communicate with the bore of the manifold body in perpendicular relation to the axis of the bore. 25. The liquid spraying system of claim 23 in which said inlet and outlet passages of each module body are in lines parallel to the axis of the manifold body bore. 26. The liquid spraying system of claim 17 in which each cartridge has a valve needle mounted for reciprocating movement within said cartridge body for controlling liquid passage through said discharge orifice, and said air passage in each cartridge body is a cylinder air passage into which pressurized air communicated from said manifold body air inlet passage is effective for reciprocating said valve needle between on and off positions. 27. The liquid spraying system of claim 26 in which each said cartridge body has an atomizing air passage into which pressurized air may be communicated for assisting in atomization of liquid to be discharged from said nozzle, each said manifold body being formed with two pressurized air inlet passages, said air inlet passages including a cylinder air inlet passage connectable to a cylinder air supply line and communicating with a cartridge cylinder air passage and an atomizing air inlet passage connectable to an atomizing air supply line and communicating with said cartridge atomizing air passage of a cartridge mounted in said manifold body. 28. The liquid spraying system of claim 26 in which the valve needle of each cartridge is connected to a piston mounted for reciprocating movement under the control of pressurized air in said cylinder air passage between a valve closing position and a valve opening position, a valve stop for limiting the stroke of movement of said valve piston upon movement to said valve opening position, a liquid control member rotatably mounted on an upper end of said cartridge body, and said valve piston stop being adjustably positionable for selectively altering the stroke of piston movement in response to rotation of said control member. 29. The liquid spraying system of claim 17 in which the air passage in each cartridge body is an atomizing air passage into which pressurized air communicated from said manifold body air inlet passage is effective for assisting in atomization of liquid to be discharged from said nozzle. 30. The liquid spraying system of claim 17 in which each said spray gun cartridge is supported within the respective manifold body bore with the spray nozzle extending outwardly of one end of said manifold body and an upstream end of said cartridge extending outwardly of an opposite end of said manifold body. 31. The liquid spraying system of claim 17 in which each said manifold body is a generally rectangular shaped block with the bore therein extending through top and bottom ends thereof and the liquid and air inlet passages therein extending through a side of said manifold body into communication with said bore. 32. The liquid spraying system of claim 17 in which each said spray gun cartridge and respective manifold body define respective circumferential passages between said liquid inlet and outlet passages and between said air inlet and outlet passages. 33. The liquid spraying system of claim 17 in which each said nozzle body bore is defined by a plurality of tiers that are progressively smaller in diameter in a downstream direction, and including at least one annular sealing member at each tier between the manifold body bore and cartridge mounted therein at each tier.

이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 피인용횟수: 3

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Gang mountable spray gun

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Gang mountable spray gun

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이 특허에 인용된 특허 (7)

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