GB747126A - A sampling device for continuous supply of gas - Google Patents
A sampling device for continuous supply of gasInfo
- Publication number
- GB747126A GB747126A GB3254/54A GB325454A GB747126A GB 747126 A GB747126 A GB 747126A GB 3254/54 A GB3254/54 A GB 3254/54A GB 325454 A GB325454 A GB 325454A GB 747126 A GB747126 A GB 747126A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- sleeve
- channels
- members
- bimetal
- 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
Links
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1842—Ambient condition change responsive
- Y10T137/1939—Atmospheric
- Y10T137/1963—Temperature
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)
Abstract
A periodic sampling device for extracting a constant mass of gas per unit time from a continuous gas supply comprises two relatively rotating contacting members 3, 7 having sampling channels 8, 10, respectively, communicating periodically during rotation and thermal means 13 for displacing one of the members and varying the channel section to compencate for temperature-volume changes in the gas. An electric motor 5 rotates the sleeve 3 within the sleeve 7 so that gas pumped into pipe 17 and escaping at 9 is periodically led to a gas analyzer connected to the flexible tube 12 when the channels 8, 10 coincide. The sleeve 7 is carried on bimetal strips 13 the outer ends of which flex downwardly on a knife edge 14 on an adjustable ring nut 18 when the gas temperature rises and increase the overlapping area of the channels. In another embodiment the sleeve 3 is lowered by the bimetal strips and the gas enters through ports in sleeves 3, 7. The members 3, 7 may be relatively rotating discs, one of which is displaced by the bimetal. Specification 714,898 is referred to.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH319281D CH319281A (en) | 1954-02-03 | 1954-02-02 | Device for continuous sampling of gases |
GB3254/54A GB747126A (en) | 1954-02-03 | 1954-02-03 | A sampling device for continuous supply of gas |
DEK21035A DE1003974B (en) | 1954-02-03 | 1954-02-05 | Device for continuous sampling of gases |
FR1092930D FR1092930A (en) | 1954-02-03 | 1954-02-10 | Sample collection device for the continuous supply of a gas analyzer |
US409994A US2719432A (en) | 1954-02-03 | 1954-02-12 | Sampling device for continuous supply of gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3254/54A GB747126A (en) | 1954-02-03 | 1954-02-03 | A sampling device for continuous supply of gas |
Publications (1)
Publication Number | Publication Date |
---|---|
GB747126A true GB747126A (en) | 1956-03-28 |
Family
ID=9754857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3254/54A Expired GB747126A (en) | 1954-02-03 | 1954-02-03 | A sampling device for continuous supply of gas |
Country Status (5)
Country | Link |
---|---|
US (1) | US2719432A (en) |
CH (1) | CH319281A (en) |
DE (1) | DE1003974B (en) |
FR (1) | FR1092930A (en) |
GB (1) | GB747126A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL122770A0 (en) | 1997-12-25 | 1998-08-16 | Gotit Ltd | Automatic spray dispenser |
IL134219A0 (en) | 2000-01-25 | 2001-04-30 | Gotit Ltd | Spray dispenser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US857465A (en) * | 1905-10-27 | 1907-06-18 | Daniel E Kempster | Seam for uniting materials. |
DE690024C (en) * | 1935-02-06 | 1940-04-12 | Sterling Engine Company | |
US2333934A (en) * | 1939-07-14 | 1943-11-09 | Mine Safety Appliances Co | Multiple sampling valve and method of gas sampling |
US2647402A (en) * | 1946-05-16 | 1953-08-04 | Negretti & Zambra Ltd | Flow metering mechanism |
-
1954
- 1954-02-02 CH CH319281D patent/CH319281A/en unknown
- 1954-02-03 GB GB3254/54A patent/GB747126A/en not_active Expired
- 1954-02-05 DE DEK21035A patent/DE1003974B/en active Pending
- 1954-02-10 FR FR1092930D patent/FR1092930A/en not_active Expired
- 1954-02-12 US US409994A patent/US2719432A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2719432A (en) | 1955-10-04 |
DE1003974B (en) | 1957-03-07 |
CH319281A (en) | 1957-02-15 |
FR1092930A (en) | 1955-04-28 |
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