DE69112251D1 - Membransensor. - Google Patents
Membransensor.Info
- Publication number
- DE69112251D1 DE69112251D1 DE69112251T DE69112251T DE69112251D1 DE 69112251 D1 DE69112251 D1 DE 69112251D1 DE 69112251 T DE69112251 T DE 69112251T DE 69112251 T DE69112251 T DE 69112251T DE 69112251 D1 DE69112251 D1 DE 69112251D1
- Authority
- DE
- Germany
- Prior art keywords
- membrane sensor
- membrane
- 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 - Lifetime
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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9652090 | 1990-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69112251D1 true DE69112251D1 (de) | 1995-09-28 |
DE69112251T2 DE69112251T2 (de) | 1996-02-22 |
Family
ID=14167418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1991612251 Expired - Lifetime DE69112251T2 (de) | 1990-04-13 | 1991-04-11 | Membransensor. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0452134B1 (de) |
DE (1) | DE69112251T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9127337D0 (en) * | 1991-12-24 | 1992-02-19 | Toleman Bernard J | System for measuring fluid flow |
DE4307512A1 (de) * | 1993-03-10 | 1994-09-15 | Bosch Gmbh Robert | Meßelement |
US5581028A (en) * | 1994-06-23 | 1996-12-03 | Hewlett Packard Company | Fluid property sensors incorporating plated metal rings for improved packaging |
JP3404300B2 (ja) * | 1998-10-28 | 2003-05-06 | 三菱電機株式会社 | 感熱式流量センサ |
JP3754678B2 (ja) * | 2003-04-16 | 2006-03-15 | 株式会社フジキン | 耐食金属製熱式質量流量センサとこれを用いた流体供給機器 |
JP5209232B2 (ja) * | 2007-05-24 | 2013-06-12 | アズビル株式会社 | 熱式流量計 |
JP5178598B2 (ja) | 2009-03-24 | 2013-04-10 | 日立オートモティブシステムズ株式会社 | 熱式流量計 |
US10739170B2 (en) * | 2017-08-04 | 2020-08-11 | Encite Llc | Micro flow measurement devices and devices with movable features |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4706061A (en) * | 1986-08-28 | 1987-11-10 | Honeywell Inc. | Composition sensor with minimal non-linear thermal gradients |
DE3638138A1 (de) * | 1986-11-08 | 1988-05-11 | Bosch Gmbh Robert | Vorrichtung zur bestimmung der masse eines stroemenden mediums |
US4914742A (en) * | 1987-12-07 | 1990-04-03 | Honeywell Inc. | Thin film orthogonal microsensor for air flow and method |
US4888988A (en) * | 1987-12-23 | 1989-12-26 | Siemens-Bendix Automotive Electronics L.P. | Silicon based mass airflow sensor and its fabrication method |
US4784721A (en) * | 1988-02-22 | 1988-11-15 | Honeywell Inc. | Integrated thin-film diaphragm; backside etch |
-
1991
- 1991-04-11 DE DE1991612251 patent/DE69112251T2/de not_active Expired - Lifetime
- 1991-04-11 EP EP91303225A patent/EP0452134B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0452134B1 (de) | 1995-08-23 |
EP0452134A3 (en) | 1992-03-04 |
EP0452134A2 (de) | 1991-10-16 |
DE69112251T2 (de) | 1996-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: YAMATAKE CORP., TOKIO/TOKYO, JP |