[특허]Liquid droplet generator

Liquid droplet generator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-001/08
출원번호	US-0880890 (1992-05-08)
발명자 / 주소	Dressler John L. (1216 Waterwyck Trail Spring Valley OH 45370)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

A droplet generator is provided for atomizing a fluid jet into a stream of droplets. The droplet generator comprises a housing having a first end, a second end, and an inner cavity. The second end of the housing has at least one orifice therein. An acoustic transducer is connected to the housing and has a first portion located within the cavity and spaced a given distance from the second end of the housing. The first portion of the acoustic transducer and the second end of the housing define a manifold therebetween for receiving a fluid. A fluid supply is connected to the acoustic transducer for supplying fluid under pressure to the inner cavity and into the manifold. The fluid passes from the manifold via the orifice as a stream of fluid. A drive mechanism is provided for driving the transducer and causing the first portion of the transducer to impart acoustic energy to the fluid in the manifold, thereby creating velocity perturbations on the stream of fluid which are sufficient to atomize the fluid.

대표청구항 ▼

A droplet generator comprising: a housing having a first end, a second end, and an inner cavity, said second end having at least one dispensing orifice; an acoustic transducer having a first portion located within said cavity and spaced a given distance from said second end of said housing, said first portion of said acoustic transducer and said second end of said housing defining a manifold therebetween for receiving a fluid; a mount for said transducer fixedly connected to said first end of said housing; a piston substantially sealed within said cavity to substantially isolate said manifold and defining said first portion of said transducer; fluid supply means connected to one of said housing and said acoustic transducer for supplying fluid under pressure into said manifold, said fluid passing from said manifold via said orifice as a stream of fluid; said transducer including piezoelectric means positioned between said housing and said piston for causing said piston to oscillate relative to said second end of said housing and impart acoustic energy to said fluid in said manifold, thereby creating velocity perturbations on said stream of fluid which are sufficient to atomize said fluid; and connector means for fixedly securing said mount, said housing, said piston and said piezoelectric means to one another, whereby said fluid is fully periodically compressed in said manifold by said piston against the fixed second end of said housing forming pressure perturbations to enhance the atomization of said fluid.

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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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