[특허]Spin connection adsorption filter

Spin connection adsorption filter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-015/00 B01D-053/04
출원번호	US-0754998 (1985-07-15)
발명자 / 주소	Spearman Michael R. (1030 W. Larpenteur Ave. St. Paul MN 55113)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

An adsorption filter is provided by a tank which contains an adsorbent material that is capable of removing impurities from a fluid stream. Filtering may be done by the mass transfer zone principle of adsorption. The tank is formed with an elongated outer shell which is closed at one end and open at the other. An elongated core with an open upper end and a fluid opening at its lower end is centered in the open shell by a funnel that has a centrally located rod and a conical outer wall that contacts the top of the shell adjacent its open end which allows adsorbent material to be poured into the space between the shell and the core. The length of the shell is preferably at least two times as long as the mass transfer zone of the adsorbent material while the fluid opening at the lower end of the core is preferably on the order of three fourths as long as the mass transfer zone. A cap that has a port in fluid communication with the space between the shell and the core is formed by a ring of screened apertures. The second port is formed through the cap which is aligned with the open upper end of the core. The cap otherwise closes off the open end of the shell after the tank is filled with adsorbent and the funnel is removed. The cap is provided with female threads that allow the tank to be screwed into the outlet pipe in a receptacle in a self-supporting manner which allows contaminated fluid to flow into the tank through one of the ports and out the other of the ports.

대표청구항 ▼

A freely orientable, readily attachable spin-on gas or liquid filter comprising: (a) a tank that comprises an elongated cylindrical shell that has a closed end and an open end; (b) a fluid communication means comprising first and second ports located at said open end wherein said first port is circular and is located centrally and said second port is concentric with and surrounds said first port, said second port being formed by a plurality of apertures located along the circumference of a circle that is concentric with said first port; (c) an elongated cylindrical core having a length substantially equal to the length of said shell and having first and second ends wherein said first end is adjacent said closed end of said shell and includes a multitude of apertures in communication with the space between said core and said shell and said second end is an alignment with said first port, said core constructed to provide a completely closed fluid channel from its second end to said multitude of apertures in said first end, said cylindrical core centrally supported by material located in said tank; (d) a material that removes impurities from a fluid by adsorption in accordance with the mass transfer zone principle, said material filling said tank in the space between said shell and said core from substantially said open end to substantially said closed end of said core, said material operable for filtering impurities in either flow direction, said shell having a length that is at least twice as long as the length of the mass transfer zone of said material for the intended application of said material and said multitude of apertures extends along said first end for a distance that is less than the length of the mass transfer zone; and (e) an annular cap that seals off said open end of said shell except for said first and second ports, said circular first port formed in said cap and female threads formed therein so that said filter is readily attachable to an outer pipe, said cap comprising a first and second ridge concentric with said first port wherein said first ridge and said second ridge encircles both said first port and said second port and an annular sealing gasket positioned between said ridges to thereby seal said second port, said annular cap and said cylindrical shell joined together by an annular crimped lip to thereby hold said material in said cylindrical shell.

이 특허를 인용한 특허 (33)

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