FR2125255A1 - Flow meter - using thermosensor in a null method circuit - Google Patents
Flow meter - using thermosensor in a null method circuitInfo
- Publication number
- FR2125255A1 FR2125255A1 FR7136252A FR7136252A FR2125255A1 FR 2125255 A1 FR2125255 A1 FR 2125255A1 FR 7136252 A FR7136252 A FR 7136252A FR 7136252 A FR7136252 A FR 7136252A FR 2125255 A1 FR2125255 A1 FR 2125255A1
- Authority
- FR
- France
- Prior art keywords
- sensor
- temp
- thermosensor
- flow meter
- esp
- 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.)
- Withdrawn
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
- B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
- B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Quality & Reliability (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH230071A CH528084A (de) | 1971-02-17 | 1971-02-17 | Wärmeempfindliches Gerät, sowie Anwendung desselben |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2125255A1 true FR2125255A1 (en) | 1972-09-29 |
Family
ID=4230559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7136252A Withdrawn FR2125255A1 (en) | 1971-02-17 | 1971-10-08 | Flow meter - using thermosensor in a null method circuit |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT328346B (de) |
AU (1) | AU466959B2 (de) |
BE (1) | BE775171A (de) |
CH (1) | CH528084A (de) |
DD (1) | DD95706A5 (de) |
DE (1) | DE2145460A1 (de) |
ES (1) | ES399839A1 (de) |
FR (1) | FR2125255A1 (de) |
NL (1) | NL7113406A (de) |
RO (1) | RO61836A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1251198A1 (de) * | 2001-03-20 | 2002-10-23 | PROTECHNA Herbst GmbH & Co. KG | Textilpartikelabsaugvorrichtung für Textilmaschinen und Verfahren zum èberwachen derselben |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915520A (ja) * | 1982-07-15 | 1984-01-26 | Toyoda Autom Loom Works Ltd | ドラフト機構のロ−ラ加圧装置 |
DK170450B1 (da) * | 1986-12-12 | 1995-09-04 | Matsushita Electric Ind Co Ltd | Termisk følesystem |
US4964115A (en) * | 1987-12-11 | 1990-10-16 | Matsushita Electric Industrial Co., Ltd. | Thermal sensing system |
AU626945B2 (en) * | 1988-11-07 | 1992-08-13 | Davey Products Pty Ltd | Improvements relating to a solid state power supply/ temperature control circuit |
DE4030892C2 (de) * | 1990-09-29 | 2000-06-29 | Schlafhorst & Co W | Spuleinrichtung an einer Textilmaschine |
-
1971
- 1971-02-17 CH CH230071A patent/CH528084A/de not_active IP Right Cessation
- 1971-09-10 DE DE19712145460 patent/DE2145460A1/de active Pending
- 1971-09-30 NL NL7113406A patent/NL7113406A/xx unknown
- 1971-10-08 FR FR7136252A patent/FR2125255A1/fr not_active Withdrawn
- 1971-10-22 AT AT915771A patent/AT328346B/de not_active IP Right Cessation
- 1971-10-29 RO RO6859571A patent/RO61836A/ro unknown
- 1971-11-10 BE BE775171A patent/BE775171A/xx unknown
- 1971-12-31 DD DD16012471A patent/DD95706A5/xx unknown
-
1972
- 1972-02-01 AU AU38525/72A patent/AU466959B2/en not_active Expired
- 1972-02-16 ES ES399839A patent/ES399839A1/es not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1251198A1 (de) * | 2001-03-20 | 2002-10-23 | PROTECHNA Herbst GmbH & Co. KG | Textilpartikelabsaugvorrichtung für Textilmaschinen und Verfahren zum èberwachen derselben |
Also Published As
Publication number | Publication date |
---|---|
AT328346B (de) | 1976-03-10 |
DD95706A5 (de) | 1973-02-12 |
ATA915771A (de) | 1975-05-15 |
AU466959B2 (en) | 1973-08-02 |
AU3852572A (en) | 1973-08-02 |
BE775171A (fr) | 1972-03-01 |
ES399839A1 (es) | 1975-04-01 |
CH528084A (de) | 1972-09-15 |
DE2145460A1 (de) | 1972-08-31 |
RO61836A (de) | 1977-08-15 |
NL7113406A (de) | 1972-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |