The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2011
Filed:
Apr. 25, 2008
Applicant:
Hiroji Sato, Tokyo, JP;
Inventor:
Hiroji Sato, Tokyo, JP;
Assignee:
NIFCO Inc., Yokohama-Shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/13 (2006.01); B01D 29/15 (2006.01); B01D 35/02 (2006.01); F02M 37/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter apparatus F includes a bag-shape filter body and is attached in such a manner that an internal space of the filter body is connected to a fuel inlet in a fuel tank. The filter body includes two or more filter materials laminated each other. At least one of the filter materials is formed of an unwoven cloth having an average aperture diameter of 30 μm or less. A filter material made of an unwoven cloth having a maximum aperture diameter of 100 μm or less is disposed outside of the filter material made of the unwoven cloth having the average aperture diameter of 30 μm or less.