IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0448728
(1989-12-11)
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발명자
/ 주소 |
- Toth Denis W. (5060 Cooley Lake Rd. Pontiac MI 48084)
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인용정보 |
피인용 횟수 :
24 인용 특허 :
0 |
초록
▼
The automatic paint spray gun is for industrial applications involving use with industrial robots. The spray gun comprises a housing including a tubular extension; an air cap mountable onto the tubular extension of the housing; a nozzle disposed within the air cap; and a device for adjusting the flo
The automatic paint spray gun is for industrial applications involving use with industrial robots. The spray gun comprises a housing including a tubular extension; an air cap mountable onto the tubular extension of the housing; a nozzle disposed within the air cap; and a device for adjusting the flow of air through the housing independent of the air cap. The paint is supplied under pressure to a paint discharge orifice in the nozzle through a first passage. The first passages is essentially centrally disposed within the tubular extension. The atomizing air is supplied to the paint discharge orifice through a second passage to control the atomizing of the paint spray gun. The atomizing air is supplied to the nozzle through a second passage. The second passage is supplied through an annular chamber in the tubular extension, the annual chamber being disposed radially outwardly from the first passage. The fanning air is supplied to the fan discharge openings through a plurality of passages in the tubular extension, the fanning are controlling the fanning of the paint spray. The fanning air is supplied through the plurality of passages disposed radially outwardly from the annular chamber. In addition, the fanning of the paint spray may be regulated independently of the rotative position of the air cap with either turbine air or compressed air.
대표청구항
▼
A paint spray gun for delivering a high volume output at a low air cap pressure, the gun comprising: (a) a housing, the housing having a forward end and a rearward end, the housing further having an air passageway and a central passage formed therein, the housing comprising: (1) a first fitting for
A paint spray gun for delivering a high volume output at a low air cap pressure, the gun comprising: (a) a housing, the housing having a forward end and a rearward end, the housing further having an air passageway and a central passage formed therein, the housing comprising: (1) a first fitting for delivering paint into a first bore formed in the housing from the first fitting, the first bore being in fluid communication with the first fitting, the central passage of the housing being in fluid communication with the first bore, such that paint flows into the housing from the first fitting through the first bore and into the central passage; (2) a second fitting, the second fitting receiving therein air under pressure, at least one air delivery bore formed in the housing fluidly communicating with the second fitting, the at least one air delivery bore being in fluid communication with the air passageway, such that an air under pressure flows into the housing from the second fitting through the at least one air delivery bore and into the air passageway; (3) an adjustment knob disposed on the rearward end of the housing, a needle valve seated in the adjustment knob, the valve continuing forwardly from the knob into the central passage; (b) a tubular extension, the extension having a forward end and a rearward end, the needle valve continuing forwardly into the extension, the rearward end of the extension being mounted on the forward end of the housing, the extension having a central opening formed therein, the central opening being in fluid communication with the central passage of the housing thereby allowing the paint to flow into the extension, the extension having a chamber formed therein circumferentially around the central opening and separate therefrom, the extension having: (1) a third fitting, the third fitting allowing turbine air to enter into the extension, the turbine air being supplied at a pressure of less than 10 psi, the third fitting being in fluid communication with the chamber, the turbine air flowing from the third fitting into the chamber; and (2) a nozzle, the nozzle having a bore centrally formed therein, the nozzle being in fluid communication with and plugging the central opening such that the paint flows into the nozzle and out of it through the bore formed in the nozzle, the nozzle further having the needle valve terminating in the bore of the nozzle and closing the nozzle when deployed forward fully; and (c) an air cap, the air cap having a forward end and a rearward end, the rearward end of the cap being mounted on the forward end of the tubular extension, the air cap having an opening formed therein substantially around the bore of the nozzle, the air cap having at least two passages formed therein, the at least two passages being in fluid communication with the at least two bores of the extension to allow the air under pressure to flow thereinto, at least two ports formed on the air cap such that the at least two ports are each in fluid communication with one passage the at least two ports allowing the air under pressure to exit the air cap to control the fanning of the spray, the air cap further having at least two channels formed therein in fluid communication with the chamber of the extension, the at least two channels channeling the turbine air through the air cap and past the bore of the nozzle, the turbine air atomizing the paint emitting therefrom.
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