Invention Grant
- Patent Title: Filter element and filter assembly having two filtration zones
- Patent Title (中): 具有两个过滤区域的过滤元件和过滤器组件
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Application No.: US14310524Application Date: 2014-06-20
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Publication No.: US09295933B2Publication Date: 2016-03-29
- Inventor: Bryant A. Morris , Vincent P. Caliendo , Philip C. Spengler , Jeffrey R. Ries
- Applicant: CATERPILLAR INC.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Main IPC: B01D46/00
- IPC: B01D46/00 ; F24F3/16 ; B01D46/52 ; B01D46/24

Abstract:
A filter element may include filter media having an elongated hollow passage extending along a longitudinal axis and between a first end and a second end, with the filter media having an exterior surface. The filter element may also include first and second fins associated with and extending radially from the exterior surface of the filter media. The filter media may include a first filtration zone extending partially around the hollow passage and between the first fin and the second fin, with the first filtration zone being associated with a first portion of the filter media. The filter media may also include a second filtration zone extending partially around the hollow passage and between the first fin and the second fin, with the second filtration zone being associated with a second portion of the filter media.
Public/Granted literature
- US20150369496A1 FILTER ELEMENT AND FILTER ASSEMBLY HAVING TWO FILTRATION ZONES Public/Granted day:2015-12-24
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