DE69423065T2 - Verbesserung an oder in Bezug auf Gasmesser - Google Patents

Verbesserung an oder in Bezug auf Gasmesser

Info

Publication number
DE69423065T2
DE69423065T2 DE69423065T DE69423065T DE69423065T2 DE 69423065 T2 DE69423065 T2 DE 69423065T2 DE 69423065 T DE69423065 T DE 69423065T DE 69423065 T DE69423065 T DE 69423065T DE 69423065 T2 DE69423065 T2 DE 69423065T2
Authority
DE
Germany
Prior art keywords
gas
flight
dependence
relation
improvement
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 - Lifetime
Application number
DE69423065T
Other languages
English (en)
Other versions
DE69423065D1 (de
Inventor
Karl Damian Spendel
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.)
Landis and Gyr Ltd
Original Assignee
Siemens Metering Ltd
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 Siemens Metering Ltd filed Critical Siemens Metering Ltd
Publication of DE69423065D1 publication Critical patent/DE69423065D1/de
Application granted granted Critical
Publication of DE69423065T2 publication Critical patent/DE69423065T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Glass Compositions (AREA)
DE69423065T 1993-09-29 1994-09-13 Verbesserung an oder in Bezug auf Gasmesser Expired - Lifetime DE69423065T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9320042A GB2282447B (en) 1993-09-29 1993-09-29 Improvements in or relating to gas meters

Publications (2)

Publication Number Publication Date
DE69423065D1 DE69423065D1 (de) 2000-03-30
DE69423065T2 true DE69423065T2 (de) 2000-06-08

Family

ID=10742679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423065T Expired - Lifetime DE69423065T2 (de) 1993-09-29 1994-09-13 Verbesserung an oder in Bezug auf Gasmesser

Country Status (5)

Country Link
US (1) US5644090A (de)
EP (1) EP0645609B1 (de)
AT (1) ATE189926T1 (de)
DE (1) DE69423065T2 (de)
GB (1) GB2282447B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10170485A (ja) * 1996-10-08 1998-06-26 Toyota Motor Corp 超音波式ガソリン特性判別方法および装置
US6422093B2 (en) * 1999-12-10 2002-07-23 Murray Feller Burst mode ultrasonic flow sensor
US7058523B2 (en) * 2002-09-13 2006-06-06 Landis+Gyr, Inc. Electricity meter having gas consumption correction processing
DE10254054A1 (de) * 2002-11-19 2004-06-03 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder des Massendurchflusses eines Mediums
US6854339B2 (en) * 2002-12-30 2005-02-15 Pti Technologies, Inc. Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic reflecting surface
US6901812B2 (en) * 2002-12-30 2005-06-07 Pti Technologies, Inc. Single-body dual-chip Orthogonal sensing transit-time flow device
US20040129088A1 (en) * 2002-12-30 2004-07-08 D.C. Tigwell & Associates Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic reflecting surface
US7317404B2 (en) * 2004-01-14 2008-01-08 Itron, Inc. Method and apparatus for collecting and displaying consumption data from a meter reading system
US7152490B1 (en) 2005-08-15 2006-12-26 Daniel Measurement And Control, Inc. Methods for determining transducer delay time and transducer separation in ultrasonic flow meters
JP5194754B2 (ja) * 2007-12-10 2013-05-08 パナソニック株式会社 ガスメータ装置及びこの装置を用いたガス供給システム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575050A (en) * 1968-12-04 1971-04-13 Panametrics Fluid flowmeter
US3874233A (en) * 1972-04-12 1975-04-01 Del Mar Eng Lab Gas volume meter
US4103551A (en) * 1977-01-31 1978-08-01 Panametrics, Inc. Ultrasonic measuring system for differing flow conditions
JPS58167918A (ja) * 1982-03-29 1983-10-04 Toshiba Corp 超音波流速測定装置
GB8813640D0 (en) * 1988-06-09 1988-07-13 Gill M J Speed measurement device
JPH0778438B2 (ja) * 1988-07-08 1995-08-23 エンドレス ウント ハウザー フローテック アクチエンゲゼルシヤフト 超音波流量測定方法及び装置
GB2237639B (en) * 1989-10-31 1994-07-06 British Gas Plc Measurement system
NZ243293A (en) * 1991-06-25 1995-03-28 Commw Scient Ind Res Org Fluid flow meter: time of travel of acoustic wave packet through fluid
GB9119742D0 (en) * 1991-09-16 1991-10-30 British Gas Plc Measurement system
FR2685766B1 (fr) * 1991-12-30 1994-04-08 Gaz De France Procede et dispositif pour la mesure de debit gazeux.

Also Published As

Publication number Publication date
EP0645609B1 (de) 2000-02-23
GB2282447A (en) 1995-04-05
US5644090A (en) 1997-07-01
GB9320042D0 (en) 1993-11-17
EP0645609A1 (de) 1995-03-29
DE69423065D1 (de) 2000-03-30
ATE189926T1 (de) 2000-03-15
GB2282447B (en) 1997-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LANDIS + GYR LTD., TELFORD, SHROPSHIRE, GB

8328 Change in the person/name/address of the agent

Representative=s name: ROESLER, U., DIPL.-PHYS.UNIV., PAT.-ANW., 81241 MUENCHEN

8328 Change in the person/name/address of the agent

Representative=s name: HAMMONDS LLP, LONDON, GB