GB747126A - A sampling device for continuous supply of gas - Google Patents

A sampling device for continuous supply of gas

Info

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
Application number
GB3254/54A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CH319281D priority Critical patent/CH319281A/en
Application filed by Individual filed Critical Individual
Priority to GB3254/54A priority patent/GB747126A/en
Priority to DEK21035A priority patent/DE1003974B/en
Priority to FR1092930D priority patent/FR1092930A/en
Priority to US409994A priority patent/US2719432A/en
Publication of GB747126A publication Critical patent/GB747126A/en
Expired legal-status Critical Current

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.
GB3254/54A 1954-02-03 1954-02-03 A sampling device for continuous supply of gas Expired GB747126A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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