[특허]Filter element having a flat and non-flat configuration

Filter element having a flat and non-flat configuration 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-063/14
출원번호	US-0241590 (1994-05-12)
우선권정보	JP-0142972 (1993-05-21)
발명자 / 주소	Yamada Katsuhisa (Okazaki JPX) Ohya Yoshihiko (Takahama JPX) Taki Yoshihiro (Nagoya JPX) Takagaki Takanari (Nagoya JPX) Yamaguchi Yoshimitsu (Chita-gun JPX)
출원인 / 주소	Nippondenso Co., Ltd. (Kariya JPX 03)
인용정보	피인용 횟수 : 82 인용 특허 : 0

초록 ▼

A filter element of the present invention provides low pressure loss, superior filter performance and bonding of filtering material, and compactness. An inlet path of a nearly semicircular configuration which is formed in the width direction of a filter element is open at its upper side and closed at its lower side. An outlet path is closed at its upper side and open at its lower side. Corrugated filtering material has continuous mountain portions and valley portions. The mountain portions have a large radius of curvature R1, and the valley portions have a small radius of curvature R2. The valley portions are bonded to a flat filtering material. The open surface area of the inlet path is larger than the closed surface area of the outlet path 16. Preferably, R1/R2 is set so as to be within the range of 1.5 to 3.0.

대표청구항 ▼

A filter element comprising: a first filtering material of substantially flat configuration; a second filtering material of substantially non-flat configuration which allows fluid to be filtered to pass in the direction of thickness and has a plurality of mountain portions and valley portions which are formed in parallel alternation so as to extend to a lower side from an upper side of fluid flow, ridges of said mountain portions being in contact with said first material, more than one-half of said second material forming said mountain portions and said mountain portions being in convex relation only toward said first material; a third filtering material of substantially flat configuration provided in contact with ridges of said valley portions of said second material; an upper side closing material which closes spaces between said first material and said second material at a position close to the upper side of the fluid flow; a lower side closing material which closes spaces between said second material and said third material at a position close to the lower side of the fluid flow; spaces defining fluid inlet paths between the ridges of said valley portions and the ridges of said mountain portions being formed by axially extending arc-shaped walls which are convexities; and a closed surface area of said upper side closing material being smaller than an upper side open surface area of said inlet path.

이 특허를 인용한 특허 (82)

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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

Filter element having a flat and non-flat configuration 원문보기

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연구과제 타임라인

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Filter element having a flat and non-flat configuration 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (82)

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