DE69407662T2 - Vakuumdruckwandler mit Konvektions-Thermoelement - Google Patents
Vakuumdruckwandler mit Konvektions-ThermoelementInfo
- Publication number
- DE69407662T2 DE69407662T2 DE69407662T DE69407662T DE69407662T2 DE 69407662 T2 DE69407662 T2 DE 69407662T2 DE 69407662 T DE69407662 T DE 69407662T DE 69407662 T DE69407662 T DE 69407662T DE 69407662 T2 DE69407662 T2 DE 69407662T2
- Authority
- DE
- Germany
- Prior art keywords
- thermocouple
- thermocouples
- convection
- vacuum pressure
- pressure converter
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/10—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
- G01L21/14—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured using thermocouples
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Glass Compositions (AREA)
- Display Devices Of Pinball Game Machines (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/068,328 US5351551A (en) | 1993-05-27 | 1993-05-27 | Convection thermocouple vacuum gauge |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69407662D1 DE69407662D1 (de) | 1998-02-12 |
DE69407662T2 true DE69407662T2 (de) | 1998-05-07 |
Family
ID=22081858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69407662T Expired - Fee Related DE69407662T2 (de) | 1993-05-27 | 1994-03-15 | Vakuumdruckwandler mit Konvektions-Thermoelement |
Country Status (4)
Country | Link |
---|---|
US (1) | US5351551A (de) |
EP (1) | EP0626573B1 (de) |
AT (1) | ATE161949T1 (de) |
DE (1) | DE69407662T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557967A (en) * | 1995-02-24 | 1996-09-24 | Pacesetter, Inc. | Thermopile flow sensor |
US5713668A (en) * | 1996-08-23 | 1998-02-03 | Accutru International Corporation | Self-verifying temperature sensor |
US6473708B1 (en) | 1999-12-20 | 2002-10-29 | Bechtel Bwxt Idaho, Llc | Device and method for self-verifying temperature measurement and control |
FR2843234B1 (fr) * | 2002-07-30 | 2005-01-28 | Etienne Demeocq | Connecteur miniature avec electronique embarquee pour thermocouple |
KR20040013341A (ko) * | 2002-08-06 | 2004-02-14 | (주) 포스백 | 시간분할형 펠티어 진공게이지 구동회로 |
JP3808092B2 (ja) * | 2003-08-08 | 2006-08-09 | 松下電器産業株式会社 | 電子デバイスおよびその製造方法 |
US7451652B2 (en) * | 2005-12-28 | 2008-11-18 | Sumitomo Heavy Industries, Ltd. | Interrupted DC operation of thermocouple vacuum gauge |
WO2007149959A2 (en) * | 2006-06-22 | 2007-12-27 | Bae Systems | Programmable circuit for drift compensation |
US11389232B2 (en) | 2006-06-28 | 2022-07-19 | Kardium Inc. | Apparatus and method for intra-cardiac mapping and ablation |
US9119633B2 (en) * | 2006-06-28 | 2015-09-01 | Kardium Inc. | Apparatus and method for intra-cardiac mapping and ablation |
US8906011B2 (en) | 2007-11-16 | 2014-12-09 | Kardium Inc. | Medical device for use in bodily lumens, for example an atrium |
US8047711B2 (en) * | 2008-08-06 | 2011-11-01 | Heinz Ploechinger | Thermocouple vacuum gauge |
CA2764494A1 (en) | 2011-01-21 | 2012-07-21 | Kardium Inc. | Enhanced medical device for use in bodily cavities, for example an atrium |
US9452016B2 (en) | 2011-01-21 | 2016-09-27 | Kardium Inc. | Catheter system |
US9486273B2 (en) | 2011-01-21 | 2016-11-08 | Kardium Inc. | High-density electrode-based medical device system |
US9606074B2 (en) * | 2012-07-30 | 2017-03-28 | Heinz Plöchinger | Fluid property sensor with heat loss compensation and operating method thereof |
US10222285B2 (en) | 2014-10-24 | 2019-03-05 | Timothy G. Collins | Portable graphing vacuum pressure gauge |
US10436665B2 (en) | 2017-06-01 | 2019-10-08 | Heinz Plöchinger | Fluid property sensor with heat loss compensation and operating method thereof |
CN113865784A (zh) * | 2021-09-26 | 2021-12-31 | 成都国光电气股份有限公司 | 一种宽量程热偶真空计 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2460873A (en) * | 1945-01-01 | 1949-02-08 | Dayton H Clewell | Vacuum gauge |
US2745283A (en) * | 1950-01-23 | 1956-05-15 | Hastings Instr Company Inc | Temperature change compensated thermal measuring device |
US3030806A (en) * | 1959-06-08 | 1962-04-24 | Davis Merlin | Seebeck-peltier flowmeter |
FR2193487A5 (de) * | 1972-07-21 | 1974-02-15 | Onera (Off Nat Aerospatiale) | |
US3903743A (en) * | 1973-02-13 | 1975-09-09 | Hans Gunter Noller | Temperature compensated thermometer utilizing thermocouples |
DE3130817A1 (de) * | 1981-08-04 | 1983-02-24 | Leybold-Heraeus GmbH, 5000 Köln | Waermeleitungsvakuummeter |
DE3138424C1 (de) * | 1981-09-26 | 1983-01-27 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zum Messen des Heliumrestgasdruckes und Schaltungsanordnung zum Durchführen des Verfahrens |
US4579002A (en) * | 1984-10-31 | 1986-04-01 | Varian Associates, Inc. | Thermocouple vacuum gauge |
US4633717A (en) * | 1985-07-31 | 1987-01-06 | Varian Associates, Inc. | Thermocouple vacuum gauge |
-
1993
- 1993-05-27 US US08/068,328 patent/US5351551A/en not_active Expired - Fee Related
-
1994
- 1994-03-15 DE DE69407662T patent/DE69407662T2/de not_active Expired - Fee Related
- 1994-03-15 AT AT94301849T patent/ATE161949T1/de not_active IP Right Cessation
- 1994-03-15 EP EP94301849A patent/EP0626573B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE161949T1 (de) | 1998-01-15 |
EP0626573B1 (de) | 1998-01-07 |
EP0626573A3 (de) | 1995-03-29 |
DE69407662D1 (de) | 1998-02-12 |
EP0626573A2 (de) | 1994-11-30 |
US5351551A (en) | 1994-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |