JP4436089B2 - ガスサンプリングバッグ - Google Patents
ガスサンプリングバッグ Download PDFInfo
- Publication number
- JP4436089B2 JP4436089B2 JP2003287385A JP2003287385A JP4436089B2 JP 4436089 B2 JP4436089 B2 JP 4436089B2 JP 2003287385 A JP2003287385 A JP 2003287385A JP 2003287385 A JP2003287385 A JP 2003287385A JP 4436089 B2 JP4436089 B2 JP 4436089B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- pipe
- sampling
- bag
- outlet holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/2264—Sampling from a flowing stream of gas with dilution
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Description
なる関係を満足するように、より好ましくは、S19>S21を満足するようにしてある。
E(%)=〔(衝撃後の濃度)−(衝撃前の濃度)〕/(衝撃後の濃度)×100
10 ガスサンプリングバッグ
18 バッグ本体
19 パイプ
20 ガス接続部
21 ガス出入り孔
G 1 希釈後の排ガス
Claims (2)
- 自動車エンジン等から排出される排ガスを希釈してなる希釈後の排ガスを、定容量でサンプリングするための定容量サンプリング流路に接続されるガス接続部を有するとともに、複数のガス出入り孔が形成されたパイプをバッグ本体内に収容し、定容量サンプリング流路からのガスが前記ガス接続部を経て前記パイプに導入され、さらに、前記複数のガス出入り孔を通して前記ガスがバッグ本体内に出入りするようにしてあるガスサンプリングバッグにおいて、前記複数のガス出入り孔は、バッグ本体を形成する部材によって塞がらないように前記パイプの全長にわたってその周面に形成されており、これらガス出入り孔の開口の大きさは、圧損を可及的に大きくならないように抑制しつつ、複数のガス出入り孔の開口面積の総和が、前記パイプの断面積とほぼ等しいかあるいは小さくなるように設定され、すべてのガス出入り孔からほぼ均一にガスがバッグ本体内に吹き出されることを特徴とするガスサンプリングバッグ。
- 前記複数のガス出入り孔は、前記パイプの全長にわたってその周面に均一な間隔を隔てて形成されている請求項1に記載のガスサンプリングバッグ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003287385A JP4436089B2 (ja) | 2003-08-06 | 2003-08-06 | ガスサンプリングバッグ |
DE102004035192A DE102004035192A1 (de) | 2003-08-06 | 2004-07-21 | Gasprobenentnahmetasche |
US10/913,668 US7380476B2 (en) | 2003-08-06 | 2004-08-06 | Gas sampling bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003287385A JP4436089B2 (ja) | 2003-08-06 | 2003-08-06 | ガスサンプリングバッグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005055333A JP2005055333A (ja) | 2005-03-03 |
JP4436089B2 true JP4436089B2 (ja) | 2010-03-24 |
Family
ID=34213280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003287385A Expired - Fee Related JP4436089B2 (ja) | 2003-08-06 | 2003-08-06 | ガスサンプリングバッグ |
Country Status (3)
Country | Link |
---|---|
US (1) | US7380476B2 (ja) |
JP (1) | JP4436089B2 (ja) |
DE (1) | DE102004035192A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006048754A1 (de) * | 2006-10-12 | 2008-04-17 | Fev Motorentechnik Gmbh | Abgassammelbeutel |
JP2008157682A (ja) * | 2006-12-21 | 2008-07-10 | Horiba Ltd | 排ガス計測用バッグ |
CN102353563A (zh) * | 2011-06-13 | 2012-02-15 | 北京林业大学 | 一种污水好氧处理单元释放温室气体采集装置和采样方法 |
US9297726B2 (en) | 2012-05-23 | 2016-03-29 | Avl Test Systems, Inc. | Exhaust sampling system and method for water vapor management |
IN2014MN02299A (ja) | 2012-05-29 | 2015-08-07 | Avl Test Systems Inc | |
FI124077B (en) * | 2012-09-17 | 2014-03-14 | Outotec Oyj | Method and apparatus for taking clay suspension samples from a continuous gravity process flow and using the apparatus |
JP2017009539A (ja) * | 2015-06-25 | 2017-01-12 | 株式会社住化分析センター | ガス分析装置およびガス分析方法 |
JP6956002B2 (ja) * | 2017-12-27 | 2021-10-27 | 株式会社堀場製作所 | 排ガスサンプリング装置、排ガス分析システム、排ガスサンプリング方法、及び排ガスサンプリング用プログラム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5074155A (en) * | 1990-08-29 | 1991-12-24 | Vecere William T | Fitting and tube apparatus for gas emission sample container |
US5178021A (en) * | 1991-02-26 | 1993-01-12 | Bagtech, Inc. | Fluid sample bags with internal spacing element |
US5239877A (en) * | 1992-06-26 | 1993-08-31 | Engineered Devices, Inc. | Gas emission sample container with internal mixing fitting |
US6200819B1 (en) * | 1995-09-29 | 2001-03-13 | Horiba Instruments, Inc. | Method and apparatus for providing diluent gas to exhaust emission analyzer |
JP3629165B2 (ja) * | 1999-05-28 | 2005-03-16 | 株式会社堀場製作所 | 自動車排気ガスの採取プログラムを記録した記録媒体、自動車排気ガスの採取方法、および、自動車排気ガスの採取装置 |
US6497156B2 (en) * | 1999-12-28 | 2002-12-24 | Horiba Instruments, Inc. | Method for collecting exhaust gases |
US6279408B1 (en) * | 2000-09-28 | 2001-08-28 | Horiba Instruments, Inc. | Sample bag |
-
2003
- 2003-08-06 JP JP2003287385A patent/JP4436089B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-21 DE DE102004035192A patent/DE102004035192A1/de not_active Ceased
- 2004-08-06 US US10/913,668 patent/US7380476B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102004035192A1 (de) | 2005-03-17 |
JP2005055333A (ja) | 2005-03-03 |
US7380476B2 (en) | 2008-06-03 |
US20050056103A1 (en) | 2005-03-17 |
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