NL192404B - Electronic flow rate meter for liquid media. - Google Patents

Electronic flow rate meter for liquid media.

Info

Publication number: NL192404B
Authority: NL; Netherlands
Prior art keywords: flow rate; liquid media; rate meter; electronic flow; electronic
Prior art date: 1986-10-23

Application number

NL8702512A

Other languages

Dutch (nl)

Other versions

NL8702512A (en

NL192404C (en

Original Assignee

Landis & Gyr Gmbh

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.)

1986-10-23

Filing date

1987-10-21

Publication date

1997-03-03

1987-10-21 Application filed by Landis & Gyr Gmbh filed Critical Landis & Gyr Gmbh

1988-05-16 Publication of NL8702512A publication Critical patent/NL8702512A/en

1997-03-03 Publication of NL192404B publication Critical patent/NL192404B/en

1997-07-04 Application granted granted Critical

1997-07-04 Publication of NL192404C publication Critical patent/NL192404C/en

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)
Measurement Of Unknown Time Intervals (AREA)
Measuring Phase Differences (AREA)
Measuring Volume Flow (AREA)

NL8702512A 1986-10-23 1987-10-21 Electronic flow rate meter for liquid media. NL192404C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH422586A CH672187A5 (en)	1986-10-23	1986-10-23
CH422586		1986-10-23

Publications (3)

Publication Number	Publication Date
NL8702512A NL8702512A (en)	1988-05-16
NL192404B true NL192404B (en)	1997-03-03
NL192404C NL192404C (en)	1997-07-04

Family

ID=4272133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8702512A NL192404C (en)	1986-10-23	1987-10-21	Electronic flow rate meter for liquid media.

Country Status (4)

Country	Link
CH (1)	CH672187A5 (en)
DE (1)	DE3734635A1 (en)
DK (1)	DK166695B1 (en)
NL (1)	NL192404C (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3843678A1 (en) *	1988-12-23	1990-06-28	Flowtec Ag	Process and arrangement for flow metering by means of ultrasonic waves
ATE138734T1 (en) *	1990-04-10	1996-06-15	Landis & Gyr Tech Innovat	FLOW VOLUME METER
EP0496953B1 (en) *	1991-01-29	1996-05-29	Landis & Gyr Technology Innovation AG	Volume through-put meter for fluids
EP0543109A1 (en) *	1991-11-18	1993-05-26	Landis & Gyr Technology Innovation AG	Measuring device for measuring the flow throughput of a flowing liquid
EP0616198B1 (en) *	1993-03-19	1997-10-22	Landis & Gyr Technology Innovation AG	Volume flow sensor
DE4319344C2 (en) *	1993-06-11	1996-10-02	Krohne Ag	Method for measuring a phase difference
DE4420329C1 (en) *	1994-06-10	1995-10-26	Hydrometer Gmbh	Method for ultrasound measurement of flow rates of flowing fluids
DE19530054C2 (en) *	1995-08-16	1999-06-17	Hydrometer Gmbh	Method for ultrasound measurement of flow rates of flowing fluids
DE10034474C1 (en) *	2000-07-15	2001-10-11	Flexim Flexible Industriemeste	Liquid or gas characteristics measuring method using ultrasound has conical wavefront directed through pipe with detection of waves after propagation through the liquid or gas
JP4886120B2 (en) *	2001-05-16	2012-02-29	東京計器株式会社	Ultrasonic current meter
DE102005051669B3 (en) *	2005-10-28	2007-04-26	Mib Gmbh Messtechnik Und Industrieberatung	Flow measurement method
JP2010147758A (en) *	2008-12-18	2010-07-01	Panasonic Corp	Oscillation circuit
DE102015102200B4 (en)	2015-02-16	2022-08-11	Endress+Hauser Flow Deutschland Ag	Method for determining properties of a medium and device for determining properties of a medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH604133A5 (en) *	1977-05-10	1978-08-31	Landis & Gyr Ag

1986
- 1986-10-23 CH CH422586A patent/CH672187A5/de not_active IP Right Cessation
1987
- 1987-10-13 DE DE19873734635 patent/DE3734635A1/en active Granted
- 1987-10-21 NL NL8702512A patent/NL192404C/en not_active IP Right Cessation
- 1987-10-23 DK DK556487A patent/DK166695B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3734635C2 (en)	1989-06-22
DK556487A (en)	1988-04-24
DE3734635A1 (en)	1988-05-05
NL8702512A (en)	1988-05-16
DK556487D0 (en)	1987-10-23
DK166695B1 (en)	1993-06-28
NL192404C (en)	1997-07-04
CH672187A5 (en)	1989-10-31

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Legal Events

Date	Code	Title	Description
1990-03-01	BA	A request for search or an international-type search has been filed
1990-05-01	BB	A search report has been drawn up
1990-06-01	BC	A request for examination has been filed
2001-07-02	SNR	Assignments of patents or rights arising from examined patent applications	Owner name: SIEMENS AKTIENGESELLSCHAFT;LANDIS & STAEFA PRODUKT
2001-07-02	TNT	Modifications of names of proprietors of patents or applicants of examined patent applications	Owner name: LANDIS & GYR (DEUTSCHLAND) GMBH;LANDIS & GYR DEUTS
2004-07-01	V1	Lapsed because of non-payment of the annual fee	Effective date: 20040501