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Title:
FUEL FILTERING DEVICE
Document Type and Number:
Japanese Patent JP2009235927
Kind Code:
A
Abstract:

To provide a fuel filtering device compatibly materializing reduction of channel resistance and improvement of filtering performances.

An edge filter 1 is provided with a cylindrical outer filter 2 and an inner filter 3 inserted and fitted in the outer filter 2. A plurality of outer fuel passage grooves 22, 23 and inner fuel passage grooves 32, 33 are provided on an outer circumference surface of the outer filter 2 and an outer circumference surface of the inner filter 3 respectively. A gap between an inner circumference surface of a fuel passage 91 and a surface between the adjoining outer fuel passage grooves 22, 23 of the outer circumference surface of the outer filter 2 is an outer filtering part 26 and a gap between an inner circumference surface of the outer filter 2 and a surface between the adjoining inner fuel passage grooves 32, 33 of the outer circumference surface of the inner filter 3 is an inner filtering part 36 under a condition where the edge filter 1 is provided in the fuel passage 91. The outer filtering part 26 and the inner filtering part 36 overlap at least partially when viewed from an axis in a radial direction.


Inventors:
Edo, Koichi
Application Number:
JP2008000079743
Publication Date:
October 15, 2009
Filing Date:
March 26, 2008
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F02M61/16; B01D29/44; B01D35/02; F02M37/22; F02M61/00; B01D29/44; B01D35/00; F02M37/22



 
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