Reverse flow air filter arrangement and method

Details Reverse flow air filter arrangement and method Reverse flow air filter arrangement and method

B - Operations, Transporting

01

D

B01D 46/24 (2006.01)

Patent

CA 2294545

A reverse flow air filter arrangement is provided. The arrangement includes a filter element (225) having first and second end (224) caps, the second end cap having a central drainage aperture (218). A funnel shape on an interior surface of second end cap is used to direct moisture flow to the drainage aperture. The arrangement includes a housing in which the filter element is positioned, operatively, during use. Certain features in the housing (401) facilitate moisture withdrawal from the filter element while also inhibiting interference with sealing between the filter element and the housing.

L'invention concerne un dispositif de filtrage d'air à flux inverse, comprenant un élément (225) de filtrage qui présente un premier et un second (224) couvercles d'extrémité, le second comportant un orifice (218) central de drainage. La surface intérieure du second cache présente une forme d'entonnoir qui permet de diriger le flux d'humidité vers l'orifice de drainage. Le dispositif comprend un logement (401) dans lequel l'élément de filtrage est placé de manière opérationnelle pendant l'utilisation. Ce logement présente certaines caractéristiques facilitant l'évacuation de l'humidité hors de l'élément de filtrage, et réduisant simultanément les effets entraînant des pertes d'étanchéité entre l'élément de filtrage et le logement.

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