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US 7,069,655 B2Granted
Device and process for vertically extracting diffusers from a wastewater treatment tank
OwnerGlen D. Lindboinventor
Life of this patent
Estimating the term…
Abstract
A device and process for vertically extracting diffusers from a wastewater treatment tank where the diffusers are attached to a device having a lifting point and a pivot extraction point. The device and diffusers are lifted from the bottom of the tank until there is a clearance between the diffusers and the bottom of the tank, and then a pulling member attached to the pivot extraction point is pulled to pivot the device and the diffusers to align the diffusers with the hole. The diffusers and the device can then be extracted vertically through the hole.
Claims10
A device, comprising:
- a body having an air intake port, an exhaust port, and a lifting point;
- a ballast member attached to said body having a pivot extraction point, whereby when said body and said ballast member are lifted by said lifting point, pulling on said pivot extraction point pivots said body and said ballast member;
- whereby when a diffuser is attached to said exhaust port, and when said ballast member, said body and said diffuser are located in a tank having a top, a floor, and a small opening in said top, said diffuser can be extracted through said small opening by:
- lifting on said lifting point until said ballast member, said body and said diffuser are a pivot clearance above said floor;
- pulling on said pivot extraction point to pivot said ballast member, said body and said diffuser until said diffuser is aligned with said small opening;
- and
- extracting said diffuser through said small opening.
4 more elements
A device, comprising:
- a body having an air intake port, a plurality of exhaust ports, and a lifting point;
- a ballast member attached to said body having a pivot extraction point, whereby when said body and said ballast member are lifted by said lifting point, pulling on said pivot extraction point pivots said ballast member and said body;
- whereby when a diffuser is attached to each of said exhaust ports and when said ballast member, said body and said diffusers are located in a tank having a top, a floor, and a small opening in said top, at least one of said diffusers can be extracted through said small opening by:
- lifting on said lifting point until said ballast member, said body and said diffuser are a pivot clearance above said floor;
- pulling on said pivot extraction point to pivot said ballast member, said body and said diffusers until at least one of said diffusers is aligned with said small opening;
- and
- extracting at least one of said diffusers through said small opening.
4 more elements
A device, comprising:
- a body having an air intake port, an exhaust port, a lifting point, and a pivot extraction point, whereby when said body is lifted by said lifting point, pulling on said pivot extraction point pivots said body;
- whereby when a diffuser is attached to said exhaust port and when said body and said diffuser are located in a tank having a top, a floor, and a small opening in said top, said diffuser can be extracted through said small opening by:
- lifting on said lifting point until said body and said diffuser are a pivot clearance above said floor;
- pulling on said pivot extraction point to pivot said body and said diffuser until said diffuser is aligned with said small opening;
- and
- extracting said diffuser through said small opening.
3 more elements
Dependencies are inferred from the claim text.