DE69817962D1 - Differential-hitzedraht-näherungsmesser - Google Patents
Differential-hitzedraht-näherungsmesserInfo
- Publication number
- DE69817962D1 DE69817962D1 DE69817962T DE69817962T DE69817962D1 DE 69817962 D1 DE69817962 D1 DE 69817962D1 DE 69817962 T DE69817962 T DE 69817962T DE 69817962 T DE69817962 T DE 69817962T DE 69817962 D1 DE69817962 D1 DE 69817962D1
- Authority
- DE
- Germany
- Prior art keywords
- knife
- heat wire
- differential heat
- wire proximity
- proximity
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/12—Measuring arrangements characterised by the use of fluids for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
-
- 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
-
- 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
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84558797A | 1997-04-25 | 1997-04-25 | |
PCT/US1998/006872 WO1998049523A1 (en) | 1997-04-25 | 1998-04-10 | Differential hot wire air gauge |
US845587 | 2001-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69817962D1 true DE69817962D1 (de) | 2003-10-16 |
DE69817962T2 DE69817962T2 (de) | 2004-05-19 |
Family
ID=25295573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69817962T Expired - Fee Related DE69817962T2 (de) | 1997-04-25 | 1998-04-10 | Differential-hitzedraht-näherungsmesser |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0907876B1 (de) |
JP (1) | JP2000514926A (de) |
KR (1) | KR20000022197A (de) |
CA (1) | CA2259006A1 (de) |
DE (1) | DE69817962T2 (de) |
WO (1) | WO1998049523A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010005372A1 (de) * | 2010-01-22 | 2011-07-28 | IQ 2 Patentverwaltung UG (haftungsbeschränkt), 72654 | Verfahren zur Messung der relativen Position zweier Bauteile |
ITBO20130024A1 (it) * | 2013-01-21 | 2014-07-22 | Medica S P A | Flussimetro differenziale per la misura del calo ponderale in trattamenti di emodialisi |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2649040B2 (de) * | 1976-10-28 | 1979-12-20 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Konstant-Temperatur-Anemometer |
US4142401A (en) * | 1977-10-03 | 1979-03-06 | Wilson Gardner P | Gage |
DE3029905A1 (de) * | 1980-08-07 | 1982-03-11 | Stumpp + Kurz Gmbh + Co, 7000 Stuttgart | Lecksuchgeraet |
-
1998
- 1998-04-10 KR KR1019980710615A patent/KR20000022197A/ko not_active Application Discontinuation
- 1998-04-10 EP EP98918028A patent/EP0907876B1/de not_active Expired - Lifetime
- 1998-04-10 WO PCT/US1998/006872 patent/WO1998049523A1/en not_active Application Discontinuation
- 1998-04-10 CA CA002259006A patent/CA2259006A1/en not_active Abandoned
- 1998-04-10 DE DE69817962T patent/DE69817962T2/de not_active Expired - Fee Related
- 1998-04-13 JP JP10547008A patent/JP2000514926A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0907876A1 (de) | 1999-04-14 |
KR20000022197A (ko) | 2000-04-25 |
JP2000514926A (ja) | 2000-11-07 |
CA2259006A1 (en) | 1998-11-05 |
DE69817962T2 (de) | 2004-05-19 |
EP0907876B1 (de) | 2003-09-10 |
WO1998049523A1 (en) | 1998-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |