BR8804338A - Sensor de escoamento de ar e detector termoeletrico - Google Patents
Sensor de escoamento de ar e detector termoeletricoInfo
- 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
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)
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)
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 |
US5629481A (en) * | 1995-09-06 | 1997-05-13 | General Motors Corporation | Mass air flow measurement system and method |
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 |
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)
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 |
-
1987
- 1987-08-27 US US07/090,012 patent/US4782708A/en not_active Expired - Fee Related
-
1988
- 1988-08-08 EP EP19880307298 patent/EP0305072A3/en not_active Withdrawn
- 1988-08-12 AU AU20916/88A patent/AU603918B2/en not_active Ceased
- 1988-08-25 BR BR8804338A patent/BR8804338A/pt unknown
- 1988-08-26 JP JP63212299A patent/JPS6491062A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6491062A (en) | 1989-04-10 |
AU2091688A (en) | 1989-03-02 |
AU603918B2 (en) | 1990-11-29 |
EP0305072A3 (en) | 1990-10-10 |
US4782708A (en) | 1988-11-08 |
EP0305072A2 (en) | 1989-03-01 |
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