GB2348007B - Mass flow sensor with air temperature sensor - Google Patents

Mass flow sensor with air temperature sensor

Info

Publication number
GB2348007B
GB2348007B GB0003131A GB0003131A GB2348007B GB 2348007 B GB2348007 B GB 2348007B GB 0003131 A GB0003131 A GB 0003131A GB 0003131 A GB0003131 A GB 0003131A GB 2348007 B GB2348007 B GB 2348007B
Authority
GB
United Kingdom
Prior art keywords
air temperature
mass flow
sensor
temperature sensor
flow sensor
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
GB0003131A
Other versions
GB2348007A (en
GB0003131D0 (en
Inventor
Guy Hoffmann
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of GB0003131D0 publication Critical patent/GB0003131D0/en
Publication of GB2348007A publication Critical patent/GB2348007A/en
Application granted granted Critical
Publication of GB2348007B publication Critical patent/GB2348007B/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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
GB0003131A 1999-02-26 2000-02-14 Mass flow sensor with air temperature sensor Expired - Fee Related GB2348007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9904429.9A GB9904429D0 (en) 1999-02-26 1999-02-26 Mass flow with air temperature sensor

Publications (3)

Publication Number Publication Date
GB0003131D0 GB0003131D0 (en) 2000-04-05
GB2348007A GB2348007A (en) 2000-09-20
GB2348007B true GB2348007B (en) 2001-06-20

Family

ID=10848543

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9904429.9A Ceased GB9904429D0 (en) 1999-02-26 1999-02-26 Mass flow with air temperature sensor
GB0003131A Expired - Fee Related GB2348007B (en) 1999-02-26 2000-02-14 Mass flow sensor with air temperature sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9904429.9A Ceased GB9904429D0 (en) 1999-02-26 1999-02-26 Mass flow with air temperature sensor

Country Status (1)

Country Link
GB (2) GB9904429D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111840C2 (en) * 2001-03-13 2003-06-05 Bosch Gmbh Robert Process for avoiding contamination on a sensor chip and use of an additional heater on a sensor chip

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005967A1 (en) * 1987-12-23 1989-06-29 Siemens Aktiengesellschaft Berlin Und München Control and detection circuitry for mass airflow sensors
EP0387025A1 (en) * 1989-03-10 1990-09-12 Yamatake-Honeywell Co. Ltd. Temperature compensating circuit
GB2240627A (en) * 1990-02-05 1991-08-07 Yamatake Honeywell Co Ltd Microbridge flow sensor
GB2241334A (en) * 1990-02-22 1991-08-28 Yamatake Honeywell Co Ltd Microbridge flow sensor
US5765432A (en) * 1995-03-16 1998-06-16 Robert Bosch Gmbh Flow sensor
JPH11258021A (en) * 1998-03-16 1999-09-24 Hitachi Ltd Thermal type air flow sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005967A1 (en) * 1987-12-23 1989-06-29 Siemens Aktiengesellschaft Berlin Und München Control and detection circuitry for mass airflow sensors
EP0387025A1 (en) * 1989-03-10 1990-09-12 Yamatake-Honeywell Co. Ltd. Temperature compensating circuit
GB2240627A (en) * 1990-02-05 1991-08-07 Yamatake Honeywell Co Ltd Microbridge flow sensor
GB2241334A (en) * 1990-02-22 1991-08-28 Yamatake Honeywell Co Ltd Microbridge flow sensor
US5765432A (en) * 1995-03-16 1998-06-16 Robert Bosch Gmbh Flow sensor
JPH11258021A (en) * 1998-03-16 1999-09-24 Hitachi Ltd Thermal type air flow sensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Acc.No. 99-594 343 & JP 11 258 021 A *

Also Published As

Publication number Publication date
GB2348007A (en) 2000-09-20
GB0003131D0 (en) 2000-04-05
GB9904429D0 (en) 1999-04-21

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Legal Events

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

Effective date: 20040214