JPH0184044U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第３図は、本考案の第１実施例を
示す図であつて、第１図は多段フイルタの縦断面
図、第２図は同平面図、第３図は平断面図、第４
図は多段フイルタの過効率の測定方法を説明す
る説明図である。第５図は、本考案の第１実施例
の多段フイルタの縦断面図である。 １……内容器、２……外容器、６……流入口、
７……流出口、８……フイルタ（第一のフイルタ
）、９……別のフイルタ（第二のフイルタ）、１
３……試験用配管（試料抽出管）、１４……試験
用配管（試料流入管）、１５……試験用配管（試
料抽出管）。 1 to 3 are views showing a first embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of a multistage filter, FIG. 2 is a plan view thereof, and FIG. 3 is a plan sectional view. Fourth
The figure is an explanatory diagram illustrating a method for measuring overefficiency of a multistage filter. FIG. 5 is a longitudinal sectional view of a multi-stage filter according to a first embodiment of the present invention. 1...Inner container, 2...Outer container, 6...Inflow port,
7... Outlet, 8... Filter (first filter), 9... Another filter (second filter), 1
3...Test piping (sample extraction tube), 14...Test piping (sample inflow tube), 15...Test piping (sample extraction tube).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外容器の内部に内容器を設け、これら容器に流
体を流出入する流入口および流出口を設け、上記
流入口から流入した流体を内容器内に導入すると
きに過するフイルタと該内容器内から流出する
ときに過する別のフイルタとを設けてなる多段
フイルタにおいて、上記内容器または外容器にフ
イルタの過効率測定用試料を流入または抽出す
る試験用配管を貫通させてその内部に開口させた
ことを特徴とする多段フイルタ。 An inner container is provided inside the outer container, and an inlet and an outlet for fluid to flow in and out are provided in these containers, and a filter is provided inside the inner container when the fluid that flows in from the inlet is introduced into the inner container. In a multi-stage filter, which is provided with another filter for passing the filter when flowing out from the inner container or the outer container, a test piping through which a sample for measuring overefficiency of the filter flows in or is extracted is penetrated and opened into the inner container or outer container. A multi-stage filter characterized by: