GB1438684A - Fluid flow rate control system - Google Patents
Fluid flow rate control systemInfo
- Publication number
- GB1438684A GB1438684A GB3437273A GB3437273A GB1438684A GB 1438684 A GB1438684 A GB 1438684A GB 3437273 A GB3437273 A GB 3437273A GB 3437273 A GB3437273 A GB 3437273A GB 1438684 A GB1438684 A GB 1438684A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluid
- flow
- temperature
- zener
- thermistor
- 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
Links
- 239000012530 fluid Substances 0.000 title abstract 6
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Volume Flow (AREA)
- Flow Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27412172A | 1972-07-21 | 1972-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1438684A true GB1438684A (en) | 1976-06-09 |
Family
ID=23046863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3437273A Expired GB1438684A (en) | 1972-07-21 | 1973-07-19 | Fluid flow rate control system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3757808A (enExample) |
| JP (1) | JPS4993048A (enExample) |
| FR (1) | FR2194322A5 (enExample) |
| GB (1) | GB1438684A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020648A1 (de) * | 1979-05-31 | 1980-12-11 | Antti Prof Niemi | Verfahren und vorrichtung zur regelung bzw. kontrolle technischer prozesse |
| DE4424652A1 (de) * | 1994-07-13 | 1996-01-25 | Ltg Lufttechnische Gmbh | Vorrichtung zur Regelung eines Volumenstromes |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885769A (en) * | 1973-06-20 | 1975-05-27 | Stoody Co | Variable flow-control valve |
| US4067705A (en) * | 1973-07-10 | 1978-01-10 | Jerome Leigh Kurz | Apparatus for high-volume sampling of gases at constant mass flow rate |
| GB1481021A (en) * | 1974-04-09 | 1977-07-27 | Nat Res Dev | Flow control system |
| DE2447617C3 (de) * | 1974-10-05 | 1980-09-04 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Kalorimetrischer Strömungswächter |
| US4347869A (en) * | 1979-12-14 | 1982-09-07 | American Standard Inc. | Hydraulic valve position control system for regulating smokestack exhaust pressure |
| US4458709A (en) * | 1980-03-27 | 1984-07-10 | Binks Manufacturing Company | Method and apparatus for measuring and controlling fluid flow rates |
| US4658855A (en) * | 1980-10-03 | 1987-04-21 | Silicon Valley Group | Mass flow controller |
| US4607789A (en) * | 1981-05-22 | 1986-08-26 | Hoffman Controls Corporation | Proportional motor drive control |
| DE3432494C2 (de) * | 1984-09-04 | 1995-07-27 | Buerkert Gmbh | Regelungsanordnung zur Regelung des Durchsatzes von Gas- oder Flüssigkeitsströmen in Rohrleitungen |
| DE3441683A1 (de) * | 1984-11-15 | 1986-05-22 | ALPAS Peter Schuldt KG, 2800 Bremen | Verfahren und vorrichtung zur steuerung des trocknungsverlaufs von nahrungsmitteln, insbesondere schinken oder rohwurst |
| US4738143A (en) * | 1985-08-29 | 1988-04-19 | Micro Motion, Incorporated | High temperature Coriolis mass flow rate meter |
| JPS62217313A (ja) * | 1986-03-19 | 1987-09-24 | Yuken Kogyo Kk | 比例電磁式流体制御弁の制御回路 |
| US4808009A (en) * | 1986-06-05 | 1989-02-28 | Rosemount, Inc. | Integrated semiconductor resistance temperature sensor and resistive heater |
| BE1003867A3 (nl) * | 1989-06-22 | 1992-06-30 | Aralco Nv | Inrichting voor het instellen van een ventilatierooster. |
| US5067506A (en) * | 1989-06-30 | 1991-11-26 | Allied-Signal Inc. | Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus |
| US5325884A (en) * | 1991-07-10 | 1994-07-05 | Conservair Technologies | Compressed air control system |
| US5190068A (en) * | 1992-07-02 | 1993-03-02 | Brian Philbin | Control apparatus and method for controlling fluid flows and pressures |
| NL9401554A (nl) * | 1994-09-23 | 1996-05-01 | Zwaan Adrianus J | Stelsel voor het automatisch regelen van de stand van een luchtdoorlaatklep, alsmede een ventilatieinrichting voorzien van een dergelijk stelsel. |
| NL9500205A (nl) * | 1994-09-23 | 1996-05-01 | Zwaan Adrianus J | Stelsel voor het automatisch regelen van de stand van een luchtdoorlaatklep, alsmede een ventilatieinrichting voorzien van een dergelijk stelsel. |
| US5901809A (en) * | 1995-05-08 | 1999-05-11 | Berkun; Andrew | Apparatus for supplying compressed air |
| US6658931B1 (en) | 2000-03-13 | 2003-12-09 | Honeywell International Inc. | Fluid flow sensing and control method and apparatus |
| US6655408B2 (en) * | 2001-06-13 | 2003-12-02 | Applied Materials, Inc. | Tunable ramp rate circuit for a mass flow controller |
| US7000464B2 (en) | 2002-05-28 | 2006-02-21 | Mcmillan Company | Measuring and control of low fluid flow rates with heated conduit walls |
| US6736005B2 (en) | 2002-05-28 | 2004-05-18 | Mcmillan Company | High accuracy measuring and control of low fluid flow rates |
| US7467639B2 (en) * | 2003-03-28 | 2008-12-23 | General Electric Company | Systems and methods for controlling gas flow |
| US7333899B2 (en) * | 2004-10-13 | 2008-02-19 | Therm-O-Disc, Incorporated | Fluid flow rate sensor and method of operation |
| US7693606B2 (en) * | 2007-12-21 | 2010-04-06 | Rosemount Inc. | Diagnostics for mass flow control |
| JP7344012B2 (ja) * | 2019-06-07 | 2023-09-13 | 株式会社堀場エステック | 流体制御バルブ、流量制御装置、及び、駆動回路 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3060736A (en) * | 1957-07-01 | 1962-10-30 | Honeywell Regulator Co | Mass rate flow meter |
| US3548865A (en) * | 1967-12-08 | 1970-12-22 | Bela P Povinger | Pressure control apparatus |
| US3552428A (en) * | 1968-06-20 | 1971-01-05 | Phillips Petroleum Co | Automatically tuned process controller |
| US3693437A (en) * | 1971-01-26 | 1972-09-26 | Kamekichi Shiba | Movable venturi type tube flow meter |
-
1972
- 1972-07-21 US US00274121A patent/US3757808A/en not_active Expired - Lifetime
-
1973
- 1973-07-19 FR FR7326459A patent/FR2194322A5/fr not_active Expired
- 1973-07-19 GB GB3437273A patent/GB1438684A/en not_active Expired
- 1973-07-20 JP JP48080757A patent/JPS4993048A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020648A1 (de) * | 1979-05-31 | 1980-12-11 | Antti Prof Niemi | Verfahren und vorrichtung zur regelung bzw. kontrolle technischer prozesse |
| DE4424652A1 (de) * | 1994-07-13 | 1996-01-25 | Ltg Lufttechnische Gmbh | Vorrichtung zur Regelung eines Volumenstromes |
Also Published As
| Publication number | Publication date |
|---|---|
| US3757808A (en) | 1973-09-11 |
| FR2194322A5 (enExample) | 1974-02-22 |
| JPS4993048A (enExample) | 1974-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920719 |