Isolated Chamber For Mechanical Face Seal Leakage In Submersible Well Pump Assembly
US-2020095992-A1 · Mar 26, 2020 · US
Air diffuser system for industrial pumps
US9028203B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9028203-B2 |
| Application number | US-201313908808-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 3, 2013 |
| Priority date | Apr 5, 2007 |
| Publication date | May 12, 2015 |
| Grant date | May 12, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An air diffuser device suitable for use in an air diffuser system for a centrifugal pump the pump including a pump casing with a pumping chamber therein, an impeller mounted within the pumping chamber for rotation about a rotation axis, the impeller including a front side and a rear side. The air diffuser system comprises one or more passages extending through the impeller from the front side to the rear side, the or each passage having a first opening at the rear side and a second opening at the front side of the impeller. The air diffuser device comprises a main body having a seal side and an impeller side, and at least one channel extending through the main body from the seal side to the impeller side, the or each channel having an intake opening at the seal side, a discharge opening at the impeller side, and a base wall extending through the main body, the base wall having a leading end portion at the seal side, and a trailing end portion at the impeller side, the discharge opening being in fluid communication with the first opening of the passage in the impeller when installed.
First claim
Opening claim text (preview).
The invention claimed is: 1. An air diffuser device suitable for use in an air diffuser system for a centrifugal pump, the pump including a pump casing with a pumping chamber therein, an impeller mounted within the pumping chamber for rotation about a rotation axis, the impeller including a front side and a rear side, the air diffuser system comprising one or more passages extending through the impeller from the front side to the rear side, the or each passage having a first openin…
Assignees
Inventors
Classifications
Cross-Sectional Technologies · mapped topic
- F04D29/108Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F04D1/04Primary
Mechanical Engineering · mapped topic
- F04D29/00Primary
Mechanical Engineering · mapped topic
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- What does patent US9028203B2 cover?
- An air diffuser device suitable for use in an air diffuser system for a centrifugal pump the pump including a pump casing with a pumping chamber therein, an impeller mounted within the pumping chamber for rotation about a rotation axis, the impeller including a front side and a rear side. The air diffuser system comprises one or more passages extending through the impeller from the front side t…
- Who is the assignee on this patent?
- Weir Minerals Australia Ltd
- What technology area does this patent fall under?
- Primary CPC classification F04D29/108. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue May 12 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).