Liquid atomizing device with reduced settling of atomized liquid droplets
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-009/06
B05B-001/08
B05B-001/00
출원번호
UP-0868777
(2004-06-17)
등록번호
US-7775459
(2010-09-06)
발명자
/ 주소
Martens, III, Edward J.
Schramm, Heather R.
출원인 / 주소
S.C. Johnson & Son, Inc.
인용정보
피인용 횟수 :
62인용 특허 :
30
초록▼
A liquid atomizing device for dispensing liquid droplets includes a container for holding a liquid, the container having a porous wick positioned to communicate the liquid from the container, and an orifice plate with apertures, the orifice plate being vibrated by a piezoelectric element to cause li
A liquid atomizing device for dispensing liquid droplets includes a container for holding a liquid, the container having a porous wick positioned to communicate the liquid from the container, and an orifice plate with apertures, the orifice plate being vibrated by a piezoelectric element to cause liquid communicated from the container to be atomized and dispensed as liquid droplets through the apertures. The device employs a unique placement and design of heaters or fans to promote evaporation and dispersion of the atomized liquid while the liquid is airborne.
대표청구항▼
We claim: 1. A liquid atomizing device for dispensing liquid droplets, the liquid droplets being provided from a container holding a liquid, the container comprising a porous wick positioned to communicated the liquid from the container, the device comprising: an orifice plate with apertures, the o
We claim: 1. A liquid atomizing device for dispensing liquid droplets, the liquid droplets being provided from a container holding a liquid, the container comprising a porous wick positioned to communicated the liquid from the container, the device comprising: an orifice plate with apertures, the orifice plate being vibrated by a piezoelectric clement to cause liquid communicated from the container to be atomized and dispensed as liquid droplets through the apertures; an insulator surrounding the piezoelectric element; an orifice plate heating assembly comprising a heating element and a resistor trace coupled to the orifice plate and separated from the piezoelectric element by the insulator, wherein the heating element heats the liquid communicated from the container, thereby increasing the evaporation rate of the liquid droplets. 2. The liquid atomizing device according to claim 1, further comprising the container holding the liquid. 3. The liquid atomizing device according to claim 1, wherein the heating element is a surface mount resistor. 4. The liquid atomizing device according to claim 1, further comprising electrical leads connected to the heating element, wherein electrical current flows through the electrical leads to the heating element. 5. The liquid atomizing device according to claim 1, further comprising a fan disposed substantially outside a main body defined by the container and the orifice plate, wherein the fan acts to increase at least one of the evaporation rate and dispersion of the liquid droplets dispensed through the apertures of the orifice plate. 6. A liquid atomizing device for dispensing liquid droplets, the liquid droplets being provided from a container holding a liquid, the container comprising a wicking element having a porous wick positioned to communicate the liquid from the container, the device comprising: an orifice plate with apertures, the orifice plate being vibrated by a piezoelectric element to cause liquid communicated from the container to be atomized and dispensed as liquid droplets through the apertures; a thermally conducting tube surrounding a top portion of the wicking element when the container is mounted to the device; and a heating element coupled to the thermally conducting tube, the heating element heating the top portion of the wicking element, wherein heat from the heating element raises the temperature of the liquid in the wick which is being delivered to the orifice plate, thereby increasing the evaporation rate of the liquid dispensed as liquid droplets. 7. The liquid atomizing device according to claim 6, further comprising the container holding the liquid. 8. The liquid atomizing device according to claim 6, wherein an air gap is formed between the wick and the thermally conducting tube. 9. The liquid atomizing device according to claim 8, wherein the thermally conducting tube comprises a non-metal material. 10. The liquid atomizing device according to claim 6, wherein the thermally conducting tube includes extensions forming crimp tabs securing the piezoelectric element in a plurality of places along the periphery of the piezoelectric element. 11. The liquid atomizing device according to claim 6, further comprising an electrically insulating sleeve surrounding the thermally conducting tube. 12. The liquid atomizing device according to claim 11, wherein the heating element is a wire that is wound around the electrically insulating sleeve. 13. The liquid atomizing device according to claim 6, further comprising a fan disposed substantially outside a main body defined by the container and the orifice plate, wherein the fan acts to increase at least one of the evaporation rate and dispersion of the liquid droplets dispensed through the apertures of the orifice plate.
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