[특허]Pneumatic powder ejector

Pneumatic powder ejector 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04F-005/00
출원번호	US-0815973 (1986-01-03)
우선권정보	FR-0000072 (1985-01-04)
발명자 / 주소	Douche Jean-Pierre (Thourotte FRX) Coulon Jean-Claude (Mercurey FRX) Bernard Claude (Livry-Gargan FRX)
출원인 / 주소	Saint Gobain Vitrage (Courbevoie FRX 03)
인용정보	피인용 횟수 : 72 인용 특허 : 0

초록 ▼

The invention is in a pneumatic powder ejector comprising a suction stage and an injection stage. The suction stage includes a suction chamber (16), a venturi (14) communicating a primary gas to the suction chamber and a lateral suction input (18) offset in relation to the downstream end of the venturi. The injection stage includes a nozzle (22), an injection chamber (36) and a diffuser (38). The stages are located within a coaxially of the body of a tubular ejector. The nozzle includes a path for powder and primary gas between the suction chamber and diffuser, and is formed to provide a flow path of reduced dimension to communicate a secondary or entrainment gas between the diffuser and injection station.

대표청구항 ▼

An pneumatic powder ejector for depositing a powder on a substrate comprising a body; a suction stage within said body at one end, said suction stage including a suction chamber, a venturi for communicating a flow of primary gas to said suction chamber, and an input flow path for communicating powder to be deposited to said suction chamber, said powder being entrained in air along said input flow path and further being supplied at a controlled delivery rate, said input flow path being located in lateral offset relation to a downstream end of said venturi; and an injection stage within said body extending coaxially from said suction chamber toward the end of said body opposite said suction stage, said injection stage including a nozzle surrounded by a wall with the spaced therebetween defining a flow path for powder, said wall having an outer surface supported at one end by said body and substantially spaced from said body throughout a tapered length to its opposite end, an injection chamber for supplying an entrainment gas, said injection chamber located within said body bounded by said outer surface, at least one opening in said body for communicating said entrainment gas to said injection chamber, and a diffuser supported at the end of said body opposite said suction stage, said diffuser having an inner wall including a length convergent toward a zone of minimum section and a length divergent from said zone, said zone of minimum section located substantially at said opposite end of said nozzle and forming with said nozzle a gap output from said injection chamber passage of entrainment gas into said diffuser.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Pneumatic powder ejector 원문보기

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Pneumatic powder ejector 원문보기

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이 특허를 인용한 특허 (72)

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