Air cleaner pre-filtration improvement

US8979958B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979958-B2
Application numberUS-201213401396-A
CountryUS
Kind codeB2
Filing dateFeb 21, 2012
Priority dateFeb 21, 2012
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An air filter is provided and may include a first housing and a filter media disposed within the first housing. A second housing may include an inlet port receiving air at a first pressure from the first housing and an outlet port returning the air to the first housing at a second pressure, less than the first pressure. The second housing may remove debris from the air prior to returning the air to the first housing.

First claim

Opening claim text (preview).

What is claimed is: 1. An air filter comprising: a first housing; wherein said first housing includes a first inlet; wherein said first inlet is positioned relative to the first housing such that the first inlet is substantially tangential to an inner surface of the first housing to induce a swirl to air entering the first housing at the air inlet; a filter media disposed within said first housing; and a particle separator having a second housing elongated cylindrically su…

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What does patent US8979958B2 cover?
An air filter is provided and may include a first housing and a filter media disposed within the first housing. A second housing may include an inlet port receiving air at a first pressure from the first housing and an outlet port returning the air to the first housing at a second pressure, less than the first pressure. The second housing may remove debris from the air prior to returning the ai…
Who is the assignee on this patent?
Da Silva Carlos Alberto, Simo Rodrigo Dos Santos, Mann & Hummel Gmbh
What technology area does this patent fall under?
Primary CPC classification B01D46/0046. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 17 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).