DE69407662D1 - Vakuumdruckwandler mit Konvektions-Thermoelement - Google Patents

Vakuumdruckwandler mit Konvektions-Thermoelement

Info

Publication number
DE69407662D1
DE69407662D1 DE69407662T DE69407662T DE69407662D1 DE 69407662 D1 DE69407662 D1 DE 69407662D1 DE 69407662 T DE69407662 T DE 69407662T DE 69407662 T DE69407662 T DE 69407662T DE 69407662 D1 DE69407662 D1 DE 69407662D1
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
Application number
DE69407662T
Other languages
English (en)
Other versions
DE69407662T2 (de
Inventor
Emil Drubetsky
Donald R Taylor
Leonard Woshczyn
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.)
Fredericks Co
Original Assignee
Fredericks Co
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
Application filed by Fredericks Co filed Critical Fredericks Co
Application granted granted Critical
Publication of DE69407662D1 publication Critical patent/DE69407662D1/de
Publication of DE69407662T2 publication Critical patent/DE69407662T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69407662T 1993-05-27 1994-03-15 Vakuumdruckwandler mit Konvektions-Thermoelement Expired - Fee Related DE69407662T2 (de)

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 true DE69407662D1 (de) 1998-02-12
DE69407662T2 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)

* Cited by examiner, † Cited by third party
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
WO2005015637A1 (ja) * 2003-08-08 2005-02-17 Matsushita Electric Industrial Co., Ltd. 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
US8123405B2 (en) * 2006-06-22 2012-02-28 Bae Systems Information Solutions Inc. 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
US9480525B2 (en) 2011-01-21 2016-11-01 Kardium, Inc. High-density electrode-based medical device system
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE69407662T2 (de) 1998-05-07
ATE161949T1 (de) 1998-01-15
EP0626573B1 (de) 1998-01-07
US5351551A (en) 1994-10-04
EP0626573A2 (de) 1994-11-30
EP0626573A3 (de) 1995-03-29

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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