[특허]Spray nozzle and method of manufacturing same

Spray nozzle and method of manufacturing same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-001/34
출원번호	US-0848791 (1997-05-01)
발명자 / 주소	Simmons Harold C. Harvey Rex J.
출원인 / 주소	Parker-Hannifin Corporation
대리인 / 주소	Hunter
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A method of forming an atomizing spray nozzle includes the steps of etching a swirl chamber and a spray orifice in a thin sheet of material. The swirl chamber is etched in a first side of the disk and the spray orifice is etched through a second side to the center of the swirl chamber. Feed slots are etched in the first side of the disk extending non-radially to the swirl chamber such that liquid can be conveyed to the swirl chamber so as to create and sustain the swirling motion. A inlet piece with inlet passage therein is connected with first side of the disk so as to convey liquid to the feed slots of the disk and to enclose the feed slots and swirl chamber. In addition to the method described an atomizing spray nozzle having the configuration described is much improved in its spray characteristics. The present invention also provides a method of forming a number of spray nozzles simultaneously in a single manufacturing process.

대표청구항 ▼

[ What is claimed is:] [1.] An atomizing spray nozzle, comprising:a metal disk member having a first side and a second side;said first side of said disk member having a bowl-shaped swirl chamber therein shaped by etching with smooth, rounded, generally vertical side walls and a smooth, generally horizontal end wall, with a smooth and continuously-curving concave surface extending between and interconnecting the side walls and end wall such that liquid to be sprayed from said nozzle can move therein in a vortex motion toward the center of the swirl chamber;a spray orifice in fluid communication with the center of the swirl chamber and extending substantially co-axial therewith such that liquid to be sprayed from the nozzle can move from the swirl chamber to said spray orifice and then exit the spray orifice in an active thin film, andat least one feed slot shaped by etching in fluid communication with the swirl chamber, said at least one feed slot having smooth, rounded trough-shaped walls extending in non-radial relation to said swirl chamber and having a smooth, continuous junction between said trough-shaped walls of said at least one feed slot and said side walls and end wall of said swirl chamber for supplying liquid to be sprayed through said nozzle.

이 특허를 인용한 특허 (43)

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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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Spray nozzle and method of manufacturing same 원문보기

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