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. 13, 2012
Filed:
May. 06, 2009
Applicants:
Taketoshi Matsumoto, Hamamatsu, JP;
Takahiro Amano, Hamamatsu, JP;
Tadayuki Onoda, Hamamatsu, JP;
Inventors:
Assignee:
Roki CP., Ltd., Hamamatsu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 35/10 (2006.01); F01N 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The object of the present invention is to provide an intake duct having waterproof function without increasing parts count. An intake ductfor air intake from the outside to an internal combustion engine E includes a duct wallmade of a resin in a tubular form. The duct wallincludes a waterproof and humidity-transparent componenthaving a water-repellent layermade of high-density fiber and a waterproof and humidity-transparent layermade of fine porous film laminated to each other.