RU93056588A - POWDER SPRAY - Google Patents

POWDER SPRAY

Info

Publication number
RU93056588A
RU93056588A RU93056588/26A RU93056588A RU93056588A RU 93056588 A RU93056588 A RU 93056588A RU 93056588/26 A RU93056588/26 A RU 93056588/26A RU 93056588 A RU93056588 A RU 93056588A RU 93056588 A RU93056588 A RU 93056588A
Authority
RU
Russia
Prior art keywords
powder
charging
path
outer cylinder
inner core
Prior art date
Application number
RU93056588/26A
Other languages
Russian (ru)
Other versions
RU2124950C1 (en
Inventor
Б.Хэллер Куртис
Дж.Ноубб Алан
У.Крум Джеральд
Original Assignee
Нордсон Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/956,615 external-priority patent/US5344082A/en
Application filed by Нордсон Корпорейшн filed Critical Нордсон Корпорейшн
Publication of RU93056588A publication Critical patent/RU93056588A/en
Application granted granted Critical
Publication of RU2124950C1 publication Critical patent/RU2124950C1/en

Links

Claims (1)

Трибоэлектрический порошковый распылитель содержит диффузор для смешивания порошка с транспортирующим газом, зарядную часть, расположенную в направлении потока диффузора, и головку распылителя на выпуске из этой зарядной части для дозирования этого заряженного порошка. Зарядная часть имеет внутренний сердечник, установленный с возможностью снятия внутри полого внешнего цилиндра с круговым зазором, сформированным между ними, обеспечивающим путь потока для заряда порошка. Внутренний сердечник и внешний цилиндр имеют волнистые и волнообразные зарядные поверхности, изготовленные из электрически изолирующего материала так, что этот кольцевой зазор обеспечивает извилистый путь для порошка, увеличивает контакт порошка и заряд, сообщаемый этому порошку. Заземление обеспечивается поверхностной проводимостью этого электрически изолирующего контактного материала через кольцо заземления, расположенное вне пути порошка, у впуска в зарядную часть, где образуется наибольшая часть заряда. Расположение кольца заземления вне пути порошка сохраняет это кольцо заземления в чистоте и минимизирует величину зарядной поверхности. Внутренний сердечник и внешний цилиндр выполнены продольно симметричными для облегчения их повторной сборки.The triboelectric powder atomizer contains a diffuser for mixing the powder with the conveying gas, a charging part located in the direction of flow of the diffuser, and a nozzle head at the outlet of this charging part for dispensing this charged powder. The charging part has an inner core installed with the possibility of removal inside the hollow outer cylinder with a circular gap formed between them, providing a flow path for charging the powder. The inner core and the outer cylinder have wavy and wave-like charging surfaces made of electrically insulating material so that this annular gap provides a winding path for the powder, increases the contact of the powder and the charge imparted to this powder. Grounding is provided by the surface conductivity of this electrically insulating contact material through an earth ring located outside the powder path at the inlet to the charging part, where the largest part of the charge is generated. The location of the ground ring outside the powder path keeps this ground ring clean and minimizes the size of the charging surface. The inner core and the outer cylinder are longitudinally symmetrical to facilitate their reassembly.
RU93056588A 1992-10-05 1993-10-04 Powder sprayer RU2124950C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/956.615 1992-10-05
US07/956,615 US5344082A (en) 1992-10-05 1992-10-05 Tribo-electric powder spray gun
US07/956,615 1992-10-05

Publications (2)

Publication Number Publication Date
RU93056588A true RU93056588A (en) 1996-11-27
RU2124950C1 RU2124950C1 (en) 1999-01-20

Family

ID=25498451

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93056588A RU2124950C1 (en) 1992-10-05 1993-10-04 Powder sprayer

Country Status (12)

Country Link
US (2) US5344082A (en)
EP (3) EP0592137B1 (en)
JP (1) JP3494680B2 (en)
KR (1) KR100265911B1 (en)
CN (1) CN1051033C (en)
AU (1) AU666774B2 (en)
CA (1) CA2106251C (en)
CZ (1) CZ287182B6 (en)
DE (3) DE69332517T2 (en)
ES (1) ES2239551T1 (en)
RU (1) RU2124950C1 (en)
TW (1) TW246647B (en)

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