GB9815386D0 - Device for measuring flow throughput of a flowing medium - Google Patents

Device for measuring flow throughput of a flowing medium

Info

Publication number
GB9815386D0
GB9815386D0 GBGB9815386.9A GB9815386A GB9815386D0 GB 9815386 D0 GB9815386 D0 GB 9815386D0 GB 9815386 A GB9815386 A GB 9815386A GB 9815386 D0 GB9815386 D0 GB 9815386D0
Authority
GB
United Kingdom
Prior art keywords
flowing medium
measuring flow
flow throughput
throughput
measuring
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.)
Granted
Application number
GBGB9815386.9A
Other versions
GB2327503B (en
GB2327503A (en
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB9815386D0 publication Critical patent/GB9815386D0/en
Publication of GB2327503A publication Critical patent/GB2327503A/en
Application granted granted Critical
Publication of GB2327503B publication Critical patent/GB2327503B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F1/68—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 using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Phase Differences (AREA)
GB9815386A 1997-07-17 1998-07-15 Device for measuring flow throughput of a flowing medium Expired - Fee Related GB2327503B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997130580 DE19730580A1 (en) 1997-07-17 1997-07-17 Flow measuring device e.g. for mass of air inducted by IC engine

Publications (3)

Publication Number Publication Date
GB9815386D0 true GB9815386D0 (en) 1998-09-16
GB2327503A GB2327503A (en) 1999-01-27
GB2327503B GB2327503B (en) 1999-08-25

Family

ID=7835955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9815386A Expired - Fee Related GB2327503B (en) 1997-07-17 1998-07-15 Device for measuring flow throughput of a flowing medium

Country Status (3)

Country Link
JP (1) JPH1194620A (en)
DE (1) DE19730580A1 (en)
GB (1) GB2327503B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003012376A1 (en) 2000-05-15 2003-02-13 Hitachi, Ltd. Thermal air flow rate measuring apparatus and its flowmeter and internal combustion engine and thermal air flow rate measuring method using it
JP3751538B2 (en) 2001-04-11 2006-03-01 株式会社日立製作所 Gas flow meter
JP4223915B2 (en) 2003-10-01 2009-02-12 株式会社日立製作所 Thermal flow meter and control system
WO2006051589A1 (en) 2004-11-11 2006-05-18 Hitachi, Ltd. Thermal flow rate measuring device
DE102014216867A1 (en) 2014-08-25 2016-02-25 Robert Bosch Gmbh Apparatus and method for determining a mass flow of a fluid and method of manufacturing such apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248603A1 (en) * 1982-12-30 1984-07-12 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR MEASURING THE MASS FLOW OF A FLOWING MEDIUM
DE19543236C2 (en) * 1994-11-18 2001-01-25 Hitachi Ltd Intake air quantity measuring device for internal combustion engines
DE19542143A1 (en) * 1995-11-11 1997-05-15 Bosch Gmbh Robert Device for determining the throughput of a flowing medium

Also Published As

Publication number Publication date
GB2327503B (en) 1999-08-25
GB2327503A (en) 1999-01-27
JPH1194620A (en) 1999-04-09
DE19730580A1 (en) 1999-01-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100715