GB2251312B - Sensor - Google Patents

Sensor

Info

Publication number
GB2251312B
GB2251312B GB9126769A GB9126769A GB2251312B GB 2251312 B GB2251312 B GB 2251312B GB 9126769 A GB9126769 A GB 9126769A GB 9126769 A GB9126769 A GB 9126769A GB 2251312 B GB2251312 B GB 2251312B
Authority
GB
United Kingdom
Prior art keywords
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
GB9126769A
Other versions
GB9126769D0 (en
GB2251312A (en
Inventor
Jiri Marek
Frank Bantien
Eugen Haering
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 GB9126769D0 publication Critical patent/GB9126769D0/en
Publication of GB2251312A publication Critical patent/GB2251312A/en
Application granted granted Critical
Publication of GB2251312B publication Critical patent/GB2251312B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Sensors (AREA)
GB9126769A 1990-12-22 1991-12-17 Sensor Expired - Fee Related GB2251312B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904041578 DE4041578C2 (en) 1990-12-22 1990-12-22 Method for producing a sensor for measuring the speed or the flow rate of a flowing medium

Publications (3)

Publication Number Publication Date
GB9126769D0 GB9126769D0 (en) 1992-02-12
GB2251312A GB2251312A (en) 1992-07-01
GB2251312B true GB2251312B (en) 1995-02-08

Family

ID=6421292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9126769A Expired - Fee Related GB2251312B (en) 1990-12-22 1991-12-17 Sensor

Country Status (3)

Country Link
JP (1) JPH04269628A (en)
DE (1) DE4041578C2 (en)
GB (1) GB2251312B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233153C2 (en) * 1992-10-02 1995-08-17 Lang Apparatebau Gmbh Calorimetric flow meter and process for its manufacture
JP2880651B2 (en) * 1994-08-12 1999-04-12 東京瓦斯株式会社 Thermal micro flow sensor and method of manufacturing the same
GR1003010B (en) * 1997-05-07 1998-11-20 "����������" Integrated gas flow sensor based on porous silicon micromachining
US6032527A (en) * 1998-07-01 2000-03-07 Memsys, Inc. Solid state microanemometer
JP2002131106A (en) * 2000-10-24 2002-05-09 Hitachi Ltd Microheater and thermal air flowmeter
DE10119192C2 (en) * 2001-04-19 2003-07-10 Paal Gmbh Machine for baling and strapping
DE10121394A1 (en) * 2001-05-02 2002-11-07 Bosch Gmbh Robert Semiconductor component, in particular a micromechanical pressure sensor
US6983653B2 (en) * 2002-12-13 2006-01-10 Denso Corporation Flow sensor having thin film portion and method for manufacturing the same
JP2007286007A (en) * 2006-04-20 2007-11-01 Denso Corp Method of producing thermal type flow sensor
WO2008095747A1 (en) * 2007-02-07 2008-08-14 Continental Automotive Gmbh Method for producing a layered component
JP5202007B2 (en) * 2008-01-29 2013-06-05 日立オートモティブシステムズ株式会社 Thermal fluid flow sensor
JP2010230312A (en) * 2009-03-25 2010-10-14 Fujikura Ltd Semiconductor sensor manufacturing method and semiconductor sensor
DE102011110882A1 (en) * 2011-08-17 2013-02-21 Sensus Spectrum Llc Thermal flow sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501144A (en) * 1982-09-30 1985-02-26 Honeywell Inc. Flow sensor
EP0319871A1 (en) * 1987-12-07 1989-06-14 Honeywell Inc. Thin film orthogonal microsensor for air flow and method for its fabrication
WO1989005963A1 (en) * 1987-12-23 1989-06-29 Siemens Aktiengesellschaft Silicon-based mass airflow sensor
US4867842A (en) * 1982-09-30 1989-09-19 Honeywell Inc. Method of making slotted diaphragm semiconductor devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2618349A1 (en) * 1976-04-27 1977-11-10 Weber Guenther Conduction or convection heat flow measuring transducer - uses defined planar temp. dependent and reference resistances connected in bridge configuration
JPS60236024A (en) * 1984-05-09 1985-11-22 Nippon Soken Inc Direct heating type air flow rate sensor
US4870745A (en) * 1987-12-23 1989-10-03 Siemens-Bendix Automotive Electronics L.P. Methods of making silicon-based sensors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501144A (en) * 1982-09-30 1985-02-26 Honeywell Inc. Flow sensor
US4867842A (en) * 1982-09-30 1989-09-19 Honeywell Inc. Method of making slotted diaphragm semiconductor devices
EP0319871A1 (en) * 1987-12-07 1989-06-14 Honeywell Inc. Thin film orthogonal microsensor for air flow and method for its fabrication
WO1989005963A1 (en) * 1987-12-23 1989-06-29 Siemens Aktiengesellschaft Silicon-based mass airflow sensor

Also Published As

Publication number Publication date
GB9126769D0 (en) 1992-02-12
JPH04269628A (en) 1992-09-25
DE4041578A1 (en) 1992-07-02
GB2251312A (en) 1992-07-01
DE4041578C2 (en) 1997-07-17

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Legal Events

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

Effective date: 20061217