DE1648276A1 - Waermeleitfaehigkeitsdetektor - Google Patents
WaermeleitfaehigkeitsdetektorInfo
- Publication number
- DE1648276A1 DE1648276A1 DE19671648276 DE1648276A DE1648276A1 DE 1648276 A1 DE1648276 A1 DE 1648276A1 DE 19671648276 DE19671648276 DE 19671648276 DE 1648276 A DE1648276 A DE 1648276A DE 1648276 A1 DE1648276 A1 DE 1648276A1
- Authority
- DE
- Germany
- Prior art keywords
- detector
- bridge
- circuit
- hot
- wires
- 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.)
- Pending
Links
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 16
- 239000012159 carrier gas Substances 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
- G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56887266A | 1966-07-29 | 1966-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1648276A1 true DE1648276A1 (de) | 1971-07-22 |
Family
ID=24273069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671648276 Pending DE1648276A1 (de) | 1966-07-29 | 1967-07-14 | Waermeleitfaehigkeitsdetektor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3470355A (enExample) |
| CH (1) | CH482188A (enExample) |
| DE (1) | DE1648276A1 (enExample) |
| FR (1) | FR1605449A (enExample) |
| GB (1) | GB1189009A (enExample) |
| NL (1) | NL6710467A (enExample) |
| SE (1) | SE349865B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2456950A1 (fr) * | 1979-05-14 | 1980-12-12 | Sereg Soc | Catharometre |
| NL7906868A (nl) | 1979-09-14 | 1981-03-17 | Gould Godart Bv | Gasanalysator. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2545343A (en) * | 1946-02-18 | 1951-03-13 | Bendix Aviat Corp | Electric motor control system |
| US3040157A (en) * | 1959-09-30 | 1962-06-19 | North American Aviation Inc | Temperature control servo system |
| US3197616A (en) * | 1963-03-04 | 1965-07-27 | Donald W Gade | Temperature regulation circuit |
| US3369107A (en) * | 1965-04-07 | 1968-02-13 | Neff Instr Corp | Temperature regulating circuit for an ink reservoir |
-
1966
- 1966-07-29 US US568872A patent/US3470355A/en not_active Expired - Lifetime
-
1967
- 1967-07-14 DE DE19671648276 patent/DE1648276A1/de active Pending
- 1967-07-18 CH CH1023467A patent/CH482188A/de not_active IP Right Cessation
- 1967-07-24 SE SE10787/67*A patent/SE349865B/xx unknown
- 1967-07-27 FR FR67008949A patent/FR1605449A/fr not_active Expired
- 1967-07-28 GB GB34873/67A patent/GB1189009A/en not_active Expired
- 1967-07-28 NL NL6710467A patent/NL6710467A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH482188A (de) | 1969-11-30 |
| NL6710467A (enExample) | 1968-01-30 |
| FR1605449A (en) | 1976-01-09 |
| GB1189009A (en) | 1970-04-22 |
| US3470355A (en) | 1969-09-30 |
| SE349865B (enExample) | 1972-10-09 |
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