The present invention relates generally to a system for use in filtering a variety of environmental substances, and more particularly to a method and apparatus for filtering such substances as soil, sediment, and debris from such things as water runoff that may be entering storm drains or catch basi
The present invention relates generally to a system for use in filtering a variety of environmental substances, and more particularly to a method and apparatus for filtering such substances as soil, sediment, and debris from such things as water runoff that may be entering storm drains or catch basins for example. The filter may be comprised of a base and a readily visible top portion. A storm sewer grate may then be inserted within the filter and placed in an opening of the inlet. Water may then be filtered, through either or both the top portion and/or through the base, before entering the inlet. The top portion functions as a visual aid, thereby allowing workers, inspectors and equipment operators to easily locate the storm sewer grate.
대표청구항▼
1. A catch basin apparatus, comprising: a catch basin having an opening configured to receive a grate, the grate having an upper surface; a catch basin grate adapted to be positioned within said catch basin opening; a base in association with said grate; and a top portion attached to said
1. A catch basin apparatus, comprising: a catch basin having an opening configured to receive a grate, the grate having an upper surface; a catch basin grate adapted to be positioned within said catch basin opening; a base in association with said grate; and a top portion attached to said base and having an opening for receiving said grate, wherein a substantial portion of said top portion is adapted to be completely spaced apart from the upper surface of said grate when said grate is in said catch basin opening. 2. The apparatus of claim 1, wherein said top portion comprises: a first wall, having a flat end, a semi-elliptical end, a right side and a left side; a second wall, having a flat end, a semi-elliptical end, a right side and a left side; a third wall, having a flat end, a semi-elliptical end, a right side and a left side; a fourth wall, having a flat end, a semi-elliptical end, a right side and a left side; wherein said right side of said semi-elliptical end of said first wall attaches to said left side of the semi-elliptical end of said second wall, said right side of said semi-elliptical end of said second wall attaches the said left side of said semi-elliptical end of said third wall, said right side of said semi-elliptical end of said third wall attaches to said left side of said semi-elliptical end of said fourth wall, said right side of said semi-elliptical end of said fourth wall attaches to said left side of said semi-elliptical end of said first wall. 3. The apparatus of claim 1, wherein said top portion is spring loaded to “pop” out when opened.4. The apparatus of claim 1, wherein said top portion is dome-shaped.5. The apparatus of claim 1, wherein said top portion is tent-shaped.6. The apparatus of claim 1, wherein said top portion is of filter material.7. The apparatus of claim 1, wherein at least one point of said top portion is of at least six inches above the upper surface of the grate.8. The apparatus of claim 1, wherein at least one point of said top portion is at least one foot above the upper surface of the grate.9. The apparatus of claim 1, wherein at least one point of said top portion is at least two feet above the upper surface of the grate.10. The apparatus of claim 1, wherein said top portion has at least one wall of blocking material.11. The apparatus of claim 1, wherein said base is a porous fabric material.12. The apparatus of claim 1, wherein said base substantially encloses said grate.13. The apparatus of claim 1, wherein said base is open below the grate and is pinched by the grate and the catch basin opening around a perimeter of said base.14. The apparatus of claim 1, said filter further comprising: a first forming rod and a second forming rod, whereby each forming rod attaches to said top portion by at least two securing loops, said forming rods having a first end and second end. 15. The apparatus of claim 14, whereby said first end of said first forming rod attaches to a first comer of said dome-shaped top portion, said second end of said first forming rod attaches to a third comer of said dome-shaped top portion, said first end of said second forming rod attaches to a second comer of said dome-shaped top portion, said second end of said second forming rod attaches to a fourth comer of said dome-shaped top portion.16. The apparatus of claim 14, whereby said forming rods are semi-circular.17. A catch basin apparatus, comprising: a base, having a first side, a second side, a third side and a fourth side; a top portion attached to said base and having an opening for receiving a grate, the grate having an upper surface, wherein said top portion is adapted to be spaced apart from the upper surface of said grate; and at least one positioning strap attached to a bottom of said base. 18. The apparatus of claim 17, wherein said top portion comprises: a first wall, having a flat end, a semi-elliptical end, a right side and a left side; a second wall, having a flat end, a semi-elliptical end, a right side and a left side; a third wall, having a flat end, a semi-elliptical end, a right side and a left side; a fourth wall, having a flat end, a semi-elliptical end, a right side and a left side; wherein said right side of said semi-elliptical end of said first wall attaches to said left side of the semi-elliptical end of said second wall, said right side of said semi-elliptical end of said second wall attaches the said left side of said semi-elliptical end of said third wall, said right side of said semi-elliptical end of said third wall attaches to said left side of said semi-elliptical end of said fourth wall, said right side of said semi-elliptical end of said fourth wall attaches to said left side of said semi-elliptical end of said first wall. 19. The apparatus of claim 17, said filter further comprising: a first forming rod and a second forming rod, whereby each forming rod attaches to said dome-shaped top portion by at least two securing loops, said forming rods having a first end and second end. 20. A method for filtering water flowing into a catch basin, said catch basin having an opening substantially covered by a generally planar grate having an upper surface, comprising: providing an enclosure of filter fabric, said filter fabric being water-permeable, said filter fabric having a substantially dome-shaped top portion; inserting said grate into said enclosure such that said dome-shaped top portion is spaced apart from the upper surface of said grate; placing said grate, enclosed in said enclosure of filter fabric having a dome-shaped top portion; and repositioning said grate and filter over said catch basin opening; wherein said enclosure of filter fabric filters solid materials substantially from entering said catch basin while said grate and said filter allow water to pass therethrough into said catch basin and wherein said filter is maintained in position by said grate.
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이 특허에 인용된 특허 (7)
Chinn Andrew W. ; Strawser ; Sr. Daniel M. ; Chinn Geralde M., Environmental filter.
Hannah, Michael Morton; Yeoman, Gregory Paul; Lawford, Gary John; Vigar, Nicholas Alan, Storm water filter and components thereof and methods of installation and use.
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