[특허]Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced fil

Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced fil 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B03C-003/14
출원번호	US-0026324 (1993-01-28)
발명자 / 주소	Jaisinghani Rajan (4200 Northwich Rd. Midlothian VA 23112)
인용정보	피인용 횟수 : 74 인용 특허 : 0

초록 ▼

An electrostatically stimulated air filter and process, contemplates a housing having an fluid intake and a fluid exhaust; a upstream electrode, disposed downstream of the fluid intake, for carrying a ground potential; a filter, disposed downstream of the prefilter, for filtering out contaminants in the fluid; an ionizing electrode, disposed between the filter and the prefilter, for carrying a second potential; and a downstream electrode, disposed downstream of the filter, for carrying a ground potential; and a fan, downstream of the filter, for driving air through the prefilter and the filter. Ionization of incoming fluid occurs as a result of electric fields generated by the downstream electrode, the ionizing electrode, and the upstream electrode. The filter comprises an upstream dielectric layer and a downstream conductive layer, usually fibers coated with activated carbon powder.

대표청구항 ▼

A filter portion for an electrostatically stimulated filtering device, said filter portion comprising: filter means for entrapping contaminants in a fluid medium drawn through said filter means; downstream electrode means, positioned downstream of said filter means, electrically connected for carrying a first potential; ionizing electrode means, positioned upstream of said filter means, electrically connected for carrying a second potential; and control electrode means, positioned upstream of said ionizing electrode means, electrically connected for carrying a third potential with said first potential and said third potential being substantially lower in magnitude than said second potential, said ionizing electrode means creating a first ionizing field between said ionizing electrode means and said control electrode means and a second ionizing field between said ionizing electrode means and said downstream electrode means, and with said filter means positioned within said second ionizing field. A method for filtering air in an electrostatically stimulated filtering device, comprising: setting a first distance between an ionizing electrode and a downstream electrode relative to a second distance between said ionizing electrode and a control electrode to provide preferential accommodation of electrical arcing between said ionizing electrode and said control electrode instead of between said ionizing electrode and said downstream electrode; and successively drawing air to be filtered past said upstream electrode while maintaining said upstream electrode at a first reference potential, then drawing the air through said ionizing electrode while maintaining said ionizing electrode at a second potential higher than said first reference potential, then drawing the air through a filter material, and then drawing the air through said downstream electrode while maintaining said downstream electrode at a third reference potential, with said first potential and said third potential being substantially lower in magnitude than said second potential.

이 특허를 인용한 특허 (74)

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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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연합인증

Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced fil 원문보기

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Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced fil 원문보기

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