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公开(公告)号：US3653592A
公开(公告)日：1972-04-04
申请号：US3653592D
申请日：1970-05-07
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN PHILIP L
CPC classification number: B05B5/035 , B05B5/0531
Abstract: An improved construction for a hand operated electrostatic spray coating device of the so-called airless type in which atomization is effected by the interaction of a high speed fluid stream with air, including a self-contained electrogasdynamic generator as a power source for charging the spray and maintaining an electrostatic depositing field and a pneumatically assisted fluid valve mechanism operatively responsive to at least a portion of the air flowing through the electrogasdynamic generator.
Abstract translation: 一种改进的所谓无气型手动静电喷涂装置的结构，其中雾化是通过高速流体流与空气的相互作用来实现的，包括一个独立的电动气体发生器作为用于对喷雾进行充电的电源 以及维持静电沉积场和气动辅助流体阀机构，其可操作地响应于流过电动发电机的空气的至少一部分。
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公开(公告)号：US3797739A
公开(公告)日：1974-03-19
申请号：US3797739D
申请日：1972-07-11
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN P
Abstract: Improved methods and apparatus for charging atomized coating materials and maintaining an electrostatic depositing field in the electrostatic deposition of coating materials. Improved charging is effected by the selectively directed passage of corona discharge current from a primary source thereof through emitted coating material intermediate its point of emission and its locus of atomization to an electrically floating electrode element whose collection potential is maintained by a corona discharge emanating from an exposed end thereof.
Abstract translation: 用于对雾化涂料进行充电的方法和装置，以及在静电沉积涂料中保持静电沉积场。 改进的充电通过电晕放电电流从其主要源的选择性导向通过在其发射点和其雾化轨迹之间的发射涂层材料到电浮动电极元件，其电位由电晕放电发出的电晕放电 露出端。
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Patent Agency Ranking
公开(公告)号：US3843052A
公开(公告)日：1974-10-22
申请号：US31720772
申请日：1972-12-21
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN P
CPC classification number: B05B5/03 , B05B7/0815
Abstract: A pneumatically assisted hydraulic atomizing apparatus for paint or other liquids. The spraying apparatus includes an atomizing head assembly which has a selectively shaped orifice for transforming coating liquid such as paint, into a high speed expanding coherent flat and fan shaped film of such liquid that inherently developes unstable wavelike characteristics leading to the atomization of the emitted liquid at the front edge of the film in combination with means for directing gaseous jets into impinging relation over substantially the full transverse extent of the coherent fan shaped film to decrease the thickness thereof and accelerate the atomization whereby the fluid emission velocity for a predetermined degree of atomization can be substantially reduced.
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公开(公告)号：US3693877A
公开(公告)日：1972-09-26
申请号：US3693877D
申请日：1970-05-06
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN PHILIP L
CPC classification number: B05B5/0531 , B05B5/03 , B05B5/035
Abstract: Improved methods and apparatus for charging atomized coating materials and maintaining an electrostatic depositing field in the electrostatic deposition of coating materials. Improved charging is effected by the selectively directed passage of corona discharge current from a primary source thereof through emitted coating material intermediate its point of emission and its locus of atomization to an electrically floating electrode element whose collection potential is maintained by a corona discharge emanating from an exposed end thereof.
Abstract translation: 用于对雾化涂料进行充电的方法和装置，以及在静电沉积涂料中保持静电沉积场。 改进的充电通过电晕放电电流从其主要源的选择性导向通过在其发射点和其雾化轨迹之间的发射涂层材料到电浮动电极元件，其电位由电晕放电发出的电晕放电 露出端。
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公开(公告)号：US3791579A
公开(公告)日：1974-02-12
申请号：US3791579D
申请日：1972-02-23
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN P
CPC classification number: B05B5/08 , B05B5/03 , B05B5/0531 , B05B5/10
Abstract: Electrostatic air atomized paint spray system and spray device wherein power of charging air atomized spray droplets and for maintaining electrostatic depositing field is obtained from selfcontained electrogasdynamic generator operatively responsive to the flow of seeded atomizing air therethrough.
Abstract translation: 静电空气雾化喷涂系统和喷雾装置，其中充电空气雾化喷雾液滴的功率和用于维持静电沉积场的功能是从独立的电动气体发生器获得的，其可操作地响应于通过其喷射的雾化空气的流动。
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公开(公告)号：US3687368A
公开(公告)日：1972-08-29
申请号：US3687368D
申请日：1971-04-19
Applicant: ELECTROGASDYNAMICS
Inventor： GEBERTH JOHN D JR
CPC classification number: B05B5/0531 , B05B5/03
Abstract: An electrogasdynamically powered electrostatic spray gun is provided which discharges a liquid stream toward an object to be coated therewith. A first seeded air stream is selectively discharged from the spray gun to effect atomization of the fluid stream into a circular pattern and a second seeded air stream is selectively discharged from the spray gun to modify the shape of the atomized stream. The first and second seeded air streams are fed to their respective discharging zones through separate conduits which are supplied from a single feed. The shaping stream of seeded air can be reduced and the portion of the seeded air stream which would normally flow therethrough is redirected to bypass same whereby an undesirably high back pressure at the outlet of the electrogasdynamic generator will be avoided.
Abstract translation: 提供一种电动动力静电喷枪，其将液体流朝向要涂覆的物体排出。 第一种子气流从喷枪中选择性地排出，以使流体流雾化成圆形图案，并且第二种子气流从喷枪中选择性地排出以改变雾化流的形状。 第一和第二种子气流通过从单个进料供应的分开的管道供给到它们各自的排放区域。 可以减少接种空气的成形流，并且通常流过的种子气流的部分被重定向以旁路，从而避免电动发电机出口处的不期望的高背压。
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公开(公告)号：US3645447A
公开(公告)日：1972-02-29
申请号：US3645447D
申请日：1968-12-31
Applicant: ELECTROGASDYNAMICS
Inventor： COWAN PHILIP L
CPC classification number: B05B5/0531 , B05B5/03 , B05B5/10
Abstract: Electrostatic air atomized paint spray system and spray device wherein power for charging air atomized spray droplets and for maintaining electrostatic depositing field is obtained from selfcontained electrogasdynamic generator operatively responsive to the flow of seeded atomizing air therethrough.
Abstract translation: 静电空气雾化喷涂系统和喷雾装置，其中用于充电空气雾化喷雾液滴和用于维持静电沉积场的功率是从独立的电动气体发生器获得的，其可操作地响应于通过其喷射的雾化空气的流动。
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