Method for coating a filter substrate
US-2018229228-A1 · Aug 16, 2018 · US
Diatomaceous earth filter apparatus and method
US8992775B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8992775-B2 |
| Application number | US-59065606-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 31, 2006 |
| Priority date | Oct 31, 2006 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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- Title
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Abstract
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The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.
First claim
Opening claim text (preview).
The invention claimed is: 1. A diatomaceous earth filter for filtering contaminants from liquid, the filter comprising: a top cartridge manifold; a bottom cartridge manifold; at least one filter cartridge coupled to the top cartridge manifold and the bottom cartridge manifold, the at least one filter cartridge including a septum coated with a solution including diatomaceous earth, the at least one filter cartridge including a cartridge tube with a plurality of holes to increas…
Assignees
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- B01D37/02Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8992775B2 cover?
- The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus can include one or more filter cartridges with cartridge tubes to increase flow during the backwash…
- Who is the assignee on this patent?
- Swindell Robert Frank, Richiuso Leonard, Cox Brian Everett, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B01D37/02. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).