IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0991733
(2001-11-20)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
15 인용 특허 :
11 |
초록
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The invention is a filter system and support structure for use with drain basins, which have a perforated cover and cover support ledges, comprising a bag assembly, which is used as the filter, support members, an overflow bypass, and a channel for directing water into the bag assembly. The inventio
The invention is a filter system and support structure for use with drain basins, which have a perforated cover and cover support ledges, comprising a bag assembly, which is used as the filter, support members, an overflow bypass, and a channel for directing water into the bag assembly. The invention lies directly on the ledges of the cover support and is sandwiched between said support ledges and said cover.
대표청구항
▼
The invention is a filter system and support structure for use with drain basins, which have a perforated cover and cover support ledges, comprising a bag assembly, which is used as the filter, support members, an overflow bypass, and a channel for directing water into the bag assembly. The inventio
The invention is a filter system and support structure for use with drain basins, which have a perforated cover and cover support ledges, comprising a bag assembly, which is used as the filter, support members, an overflow bypass, and a channel for directing water into the bag assembly. The invention lies directly on the ledges of the cover support and is sandwiched between said support ledges and said cover. create a lowered pressure area adjacent the received first longitudinal flow tube portion to thereby facilitate the entrance of a pressurized filterable fluid into said second longitudinal portion of said flow tube via said bypass filter element when said bypass filter element is telescoped onto said second longitudinal portion of said flow tube. 12. The fluid filtration apparatus of claim 11, wherein: said second longitudinal portion of said flow tube has an outer end secured to and blocked by a fixture member. 13. The fluid filtration apparatus of claim 12 wherein: said fixture member has a generally circular configuration, said outer end of said second longitudinal portion of said flow tube is secured to a central portion of said fixture member, and said fixture member has a periphery wit a circumferentially spaced series of notches formed therein. 14. The fluid filtration apparatus of claim 12 wherein: said fixture member has a generally circular configuration with a peripheral annular flange having a circumferentially spaced series of peripheral notches thereon, and a raised central portion. 15. The fluid filtration apparatus of claim 11 wherein: said discharge openings are oriented and configured to impart to fluid exiting said discharge openings a swirling flow pattern. 16. The fluid filtration apparatus of claim 11 wherein: said discharge openings oriented and configured to impart to fluid exiting said discharge openings a swirling flow pattern which creates a tow pressure area. 17. The fluid filtration apparatus of claim 11 wherein: said bypass filter element is an oil filter element. 18. The fluid filtration device of claim 11 wherein: said fluid is a liquid. 19. The fluid filtration device of claim 11 wherein: said fluid is a gas. 20. Fluid filtration apparatus comprising: a generally tabular housing structure having a fluid inlet area and a fluid outlet area; a generally tabular full flow fluid filter element coaxially and removably supported within said housing structure and defining with an interior surface portion thereof an annular outer flow area communicated with said fluid inlet area; and a generally cylindrical bypass fluid filtration structure coaxially supported within said fall flow fluid filter element and defining therewith an inner annular flow area, said bypass fluid filtration structure having an outlet portion communicated with said fluid outlet area of said housing structure, said fluid filtration apparatus being operative in response to a forced flow of a pressurized fluid to be filtered inwardly through said fluid inlet area of said housing structure to flow the fluid sequentially through said annular outer flow area, through said full flow filter element, through said inner annular flow area, through said bypass fluid filtration structure, outwardly through said outlet portion of said bypass fluid filtration structure, and outwardly through said fluid outlet area of said housing structure, wherein said bypass fluid filtration structure includes: a generally tubular bypass portion in which said outlet portion is formed, and a generally tubular filtering portion communicating with said outlet portion, said outlet portion, in response to forced fluid flow therethrough, being operative to create a lowered pressure area serving to draw fluid through said filtering portion and into said bypass portion for discharge therefrom through said fluid outlet area of said housing structure, wherein said outlet portion is operative to impart to fluid being discharged therefrom a swirling flow pattern, wherein said generally tubular bypass portion has a side wall surface portion and an outlet end surface, and said outlet portion includes a circumferentially spaced series of discharge passages extending inwardly through said side wall surface portion, opening outwardly through said outlet end surface, and being axially and circumferentially angled relati
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