SE7901841L - Anordning for omvandling av en elektrisk styrsignal till ett derav beroende fluidumtryck-verde - Google Patents
Anordning for omvandling av en elektrisk styrsignal till ett derav beroende fluidumtryck-verdeInfo
- Publication number
- SE7901841L SE7901841L SE7901841A SE7901841A SE7901841L SE 7901841 L SE7901841 L SE 7901841L SE 7901841 A SE7901841 A SE 7901841A SE 7901841 A SE7901841 A SE 7901841A SE 7901841 L SE7901841 L SE 7901841L
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- control signal
- unit
- piezoelectric element
- voltage
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
- F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Paper (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7901841A SE420639B (sv) | 1979-03-01 | 1979-03-01 | Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element |
GB8105536A GB2065331A (en) | 1979-03-01 | 1980-02-29 | Signal converting unit intended to be incorporated in a pneumatic control system |
DE3034326T DE3034326C2 (de) | 1979-03-01 | 1980-02-29 | Signalwandler für ein pneumatisches Steuersystem |
CH816980A CH646230A5 (de) | 1979-03-01 | 1980-02-29 | Signalwandler fuer ein pneumatisches steuersystem. |
PCT/SE1980/000057 WO1980001826A1 (en) | 1979-03-01 | 1980-02-29 | A signal converting unit intended to be incorporated in a pneumatic control system |
NL8020072A NL8020072A (nl) | 1979-03-01 | 1980-02-29 | Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem. |
AT0901680A ATA901680A (de) | 1979-03-01 | 1980-02-29 | Signalwandler fuer ein pneumatisches steuersystem |
EP80900444A EP0024409A1 (en) | 1979-03-01 | 1980-09-10 | A signal converting unit intended to be incorporated in a pneumatic control system |
NO803279A NO803279L (no) | 1979-03-01 | 1980-10-31 | Signalomformende enhet beregnet til aa inngaa i et pneumatisk reguleringssystem |
DK462080AA DK150278B (da) | 1979-03-01 | 1980-10-31 | Signalomsaettende enhed beregnet til at indgaa i et pneumatisk reguleringssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7901841A SE420639B (sv) | 1979-03-01 | 1979-03-01 | Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7901841L true SE7901841L (sv) | 1980-09-02 |
SE420639B SE420639B (sv) | 1981-10-19 |
Family
ID=20337424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7901841A SE420639B (sv) | 1979-03-01 | 1979-03-01 | Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0024409A1 (sv) |
AT (1) | ATA901680A (sv) |
CH (1) | CH646230A5 (sv) |
DE (1) | DE3034326C2 (sv) |
DK (1) | DK150278B (sv) |
GB (1) | GB2065331A (sv) |
NL (1) | NL8020072A (sv) |
NO (1) | NO803279L (sv) |
SE (1) | SE420639B (sv) |
WO (1) | WO1980001826A1 (sv) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0102528A3 (en) * | 1982-08-16 | 1984-05-09 | The Perkin-Elmer Corporation | Voltage to pressure transducer |
AT380934B (de) * | 1983-01-13 | 1986-07-25 | Enfo Grundlagen Forschungs Ag | Elektrisch-pneumatischer signalwandler |
GB8301053D0 (en) * | 1983-01-14 | 1983-02-16 | Vickers Plc | Relief valve assembly |
US4509547A (en) * | 1983-02-22 | 1985-04-09 | The Babcock & Wilcox Company | Control system for an electro-pneumatic converter |
BR8400626A (pt) * | 1983-02-24 | 1984-10-02 | Babcock & Wilcox Co | Conjunto auxiliar pneumatico para um conversor eletro-pneumatico |
US4492246A (en) * | 1983-03-28 | 1985-01-08 | Mcgraw-Edison Company | Solid state current-to-pressure and current-to-motion transducer |
US4527583A (en) * | 1983-07-12 | 1985-07-09 | Dresser Industries, Inc. | Electropneumatic transducer system |
USRE33028E (en) * | 1983-07-12 | 1989-08-22 | Dresser Industries, Inc. | Electropneumatic transducer system |
JPS61173319A (ja) * | 1985-01-26 | 1986-08-05 | Shoketsu Kinzoku Kogyo Co Ltd | 流体用レギユレ−タ |
DE3532367A1 (de) * | 1985-09-11 | 1987-03-19 | Gulde Regelarmaturen Gmbh & Co | Pneumatischer regler |
US4665938A (en) * | 1986-09-30 | 1987-05-19 | Rosemount Inc. | Frequency feedback on a current loop of a current-to-pressure converter |
AT393174B (de) * | 1989-05-19 | 1991-08-26 | Enfo Grundlagen Forschungs Ag | Signalwandler |
JPH072029B2 (ja) * | 1989-06-26 | 1995-01-11 | セイコー電子工業株式会社 | 超音波モータ |
GB9105341D0 (en) * | 1991-03-13 | 1991-04-24 | Watson Smith Ltd | I/p converters |
DE4240802C2 (de) * | 1992-12-01 | 1997-07-17 | Hartmann & Braun Ag | Elektropneumatischer Umformer |
GB9611147D0 (en) * | 1996-05-29 | 1996-07-31 | Flight Refueling Ltd | A flapper valve |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1673475U (de) * | 1953-10-22 | 1954-03-11 | Julius Fingerhut | Stoffknopf. |
FR1183778A (fr) * | 1956-09-28 | 1959-07-13 | Thomson Houston Comp Francaise | Transducteur à cristal piézoélectrique pour la commande de valves hydrauliques |
US3456669A (en) * | 1966-10-20 | 1969-07-22 | Fisher Governor Co | Piezoelectric transducer |
DE1588245B1 (de) * | 1967-07-07 | 1970-11-12 | Gulde Regelarmaturen Kg | Elektropneumatischer Stellungsregler |
DE2013688C3 (de) * | 1970-03-21 | 1974-03-14 | Gulde-Regelarmaturen-Kg, 6700 Ludwigshafen | Elektropneumatischer Signalumformer |
US3882881A (en) * | 1973-01-12 | 1975-05-13 | American Chain & Cable Co | Pneumatic transmitter of electrical phenomena |
DE2523600A1 (de) * | 1975-05-28 | 1976-12-09 | Bosch Gmbh Robert | Elektrohydraulische steuereinrichtung |
GB1551039A (en) * | 1976-08-06 | 1979-08-22 | Ici Ltd | Conversion of electric to pneumatic signals |
DD138089B1 (de) * | 1978-07-28 | 1983-06-01 | Peter Domnitz | Anordnung zur elektrisch-pneumatischen und pneumatischelektrischen signalwandlung |
-
1979
- 1979-03-01 SE SE7901841A patent/SE420639B/sv not_active IP Right Cessation
-
1980
- 1980-02-29 DE DE3034326T patent/DE3034326C2/de not_active Expired
- 1980-02-29 AT AT0901680A patent/ATA901680A/de not_active Application Discontinuation
- 1980-02-29 WO PCT/SE1980/000057 patent/WO1980001826A1/en active Application Filing
- 1980-02-29 GB GB8105536A patent/GB2065331A/en not_active Withdrawn
- 1980-02-29 CH CH816980A patent/CH646230A5/de not_active IP Right Cessation
- 1980-02-29 NL NL8020072A patent/NL8020072A/nl not_active Application Discontinuation
- 1980-09-10 EP EP80900444A patent/EP0024409A1/en not_active Withdrawn
- 1980-10-31 DK DK462080AA patent/DK150278B/da unknown
- 1980-10-31 NO NO803279A patent/NO803279L/no unknown
Also Published As
Publication number | Publication date |
---|---|
SE420639B (sv) | 1981-10-19 |
NL8020072A (nl) | 1981-04-29 |
DK150278B (da) | 1987-01-26 |
CH646230A5 (de) | 1984-11-15 |
WO1980001826A1 (en) | 1980-09-04 |
DK462080A (da) | 1980-10-31 |
EP0024409A1 (en) | 1981-03-11 |
ATA901680A (de) | 1986-05-15 |
NO803279L (no) | 1980-10-31 |
GB2065331A (en) | 1981-06-24 |
DE3034326C2 (de) | 1983-11-17 |
DE3034326T1 (de) | 1981-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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