BR8804338A - Sensor de escoamento de ar e detector termoeletrico - Google Patents

Sensor de escoamento de ar e detector termoeletrico

Info

Publication number
BR8804338A
BR8804338A BR8804338A BR8804338A BR8804338A BR 8804338 A BR8804338 A BR 8804338A BR 8804338 A BR8804338 A BR 8804338A BR 8804338 A BR8804338 A BR 8804338A BR 8804338 A BR8804338 A BR 8804338A
Authority
BR
Brazil
Prior art keywords
air flow
flow sensor
thermo electric
electric detector
detector
Prior art date
Application number
BR8804338A
Other languages
English (en)
Inventor
Charles R Harrington
Joseph P Heremans
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR8804338A publication Critical patent/BR8804338A/pt

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
    • 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
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7084—Measuring the time taken to traverse a fixed distance using thermal detecting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
BR8804338A 1987-08-27 1988-08-25 Sensor de escoamento de ar e detector termoeletrico BR8804338A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/090,012 US4782708A (en) 1987-08-27 1987-08-27 Thermocouple sensors

Publications (1)

Publication Number Publication Date
BR8804338A true BR8804338A (pt) 1989-03-21

Family

ID=22220734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804338A BR8804338A (pt) 1987-08-27 1988-08-25 Sensor de escoamento de ar e detector termoeletrico

Country Status (5)

Country Link
US (1) US4782708A (pt)
EP (1) EP0305072A3 (pt)
JP (1) JPS6491062A (pt)
AU (1) AU603918B2 (pt)
BR (1) BR8804338A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8901602A (nl) * 1989-06-23 1991-01-16 Bronkhorst High Tech Bv Geintegreerde halfgeleider-schakeling voor thermische metingen.
US5157240A (en) * 1989-09-13 1992-10-20 Chow Loren A Deposition heaters
US5031229A (en) * 1989-09-13 1991-07-09 Chow Loren A Deposition heaters
US5059543A (en) * 1990-09-21 1991-10-22 The Board Of Regents Acting For And On Behalf Of The University Of Michigan Method of manufacturing thermopile infrared detector
US5515714A (en) * 1994-11-17 1996-05-14 General Motors Corporation Vapor composition and flow sensor
DE19501347C2 (de) * 1995-01-18 1996-12-19 Draegerwerk Ag Vorrichtung zur Messung des Durchflusses in einem Fluidkanal
US5631417A (en) * 1995-09-06 1997-05-20 General Motors Corporation Mass air flow sensor structure with bi-directional airflow incident on a sensing device at an angle
US5629481A (en) * 1995-09-06 1997-05-13 General Motors Corporation Mass air flow measurement system and method
US5827960A (en) * 1997-08-28 1998-10-27 General Motors Corporation Bi-directional mass air flow sensor having mutually-heated sensor elements
EP0927874B1 (fr) * 1997-12-30 2001-12-12 Qualiflow S.A. Procédé de réalisation de capteur à microthermocouple pour débitmètre massique et dispositif associe
TW384392B (en) * 1998-05-25 2000-03-11 Ind Tech Res Inst Architecture of novel thermal pulsed micro flow meter
US6305923B1 (en) * 1998-06-12 2001-10-23 Husky Injection Molding Systems Ltd. Molding system using film heaters and/or sensors
JP2000171422A (ja) * 1998-12-04 2000-06-23 Fujikin Inc ガス検出センサー
US6171880B1 (en) * 1999-06-14 2001-01-09 The United States Of America As Represented By The Secretary Of Commerce Method of manufacture of convective accelerometers
US6626037B1 (en) * 1999-09-03 2003-09-30 Denso Corporation Thermal flow sensor having improved sensing range
US7241131B1 (en) 2000-06-19 2007-07-10 Husky Injection Molding Systems Ltd. Thick film heater apparatus
US6747572B2 (en) 2001-01-30 2004-06-08 Oceana Sensor Technologies, Inc. Autonomous sensor system for remote sensing and signal transmission
US7012223B2 (en) * 2003-11-25 2006-03-14 National Environmental Products, Ltd. Forced-air heater control system and method
US7117732B2 (en) * 2003-12-01 2006-10-10 Societe Bic Fuel gauge for fuel cartridges
US20110094556A1 (en) * 2009-10-25 2011-04-28 Digital Angel Corporation Planar thermoelectric generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1996943A (en) * 1929-12-19 1935-04-09 Detroit Lubricator Co Fluid measuring device
NL270368A (pt) * 1960-11-16
US4576050A (en) * 1984-08-29 1986-03-18 General Motors Corporation Thermal diffusion fluid flow sensor
DE3444347A1 (de) * 1984-12-05 1986-06-12 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur luftmengenmessung
US4561303A (en) * 1984-12-06 1985-12-31 Ford Motor Company Mass airflow sensor with backflow detection
SE447318B (sv) * 1985-05-21 1986-11-03 Nils Goran Stemme Integrerad halvledarkrets med fog av termiskt isolerande fogemne, sett att framstella kretsen samt dess anvendning i en flodesmetare

Also Published As

Publication number Publication date
AU2091688A (en) 1989-03-02
JPS6491062A (en) 1989-04-10
AU603918B2 (en) 1990-11-29
EP0305072A2 (en) 1989-03-01
EP0305072A3 (en) 1990-10-10
US4782708A (en) 1988-11-08

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