Air cleaner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 22, 2017
Issued Date -
N/A
app pub date -
Sep 28, 2015
filing date -
May 7, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air cleaner of this disclosure includes a hollow case, a filter element, and an opening end member. The hollow case defines an expanded space; the filter element defines an upstream-side expanded space and a downstream-side expanded space in the expanded space; the case includes an intake port configured to bring an upstream-side duct into communication with the upstream-side expanded space; the opening end member is formed from a material having an air permeability in a range of 0.3 to 100 sec/300 cc, and is integrated on an inner side of the intake port so as to project into the upstream-side expanded space and so as to extend a duct wall of the intake port; and D representing a diameter of the opening end member and L representing a length thereof satisfy 0.25D≦L≦2.0D.
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