SE420639B - Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element - Google Patents

Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element

Info

Publication number
SE420639B
SE420639B SE7901841A SE7901841A SE420639B SE 420639 B SE420639 B SE 420639B SE 7901841 A SE7901841 A SE 7901841A SE 7901841 A SE7901841 A SE 7901841A SE 420639 B SE420639 B SE 420639B
Authority
SE
Sweden
Prior art keywords
signal
pneumatic
piezoelectric element
control signal
pressure
Prior art date
Application number
SE7901841A
Other languages
English (en)
Swedish (sv)
Other versions
SE7901841L (sv
Inventor
J Formanek
A L J Jacobsson
Original Assignee
Saab Scania Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saab Scania Ab filed Critical Saab Scania Ab
Priority to SE7901841A priority Critical patent/SE420639B/sv
Priority to GB8105536A priority patent/GB2065331A/en
Priority to CH816980A priority patent/CH646230A5/de
Priority to DE3034326T priority patent/DE3034326C2/de
Priority to PCT/SE1980/000057 priority patent/WO1980001826A1/en
Priority to AT0901680A priority patent/ATA901680A/de
Priority to NL8020072A priority patent/NL8020072A/nl
Publication of SE7901841L publication Critical patent/SE7901841L/
Priority to EP80900444A priority patent/EP0024409A1/de
Priority to DK462080AA priority patent/DK150278B/da
Priority to NO803279A priority patent/NO803279L/no
Publication of SE420639B publication Critical patent/SE420639B/sv

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)
SE7901841A 1979-03-01 1979-03-01 Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element SE420639B (sv)

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
AT0901680A ATA901680A (de) 1979-03-01 1980-02-29 Signalwandler fuer ein pneumatisches steuersystem
CH816980A CH646230A5 (de) 1979-03-01 1980-02-29 Signalwandler fuer ein pneumatisches steuersystem.
DE3034326T DE3034326C2 (de) 1979-03-01 1980-02-29 Signalwandler für 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
GB8105536A GB2065331A (en) 1979-03-01 1980-02-29 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.
EP80900444A EP0024409A1 (de) 1979-03-01 1980-09-10 Signalumformeinheit, welche in ein druckluftregelsystem eingebaut werden kann
DK462080AA DK150278B (da) 1979-03-01 1980-10-31 Signalomsaettende enhed beregnet til at indgaa i et pneumatisk reguleringssystem
NO803279A NO803279L (no) 1979-03-01 1980-10-31 Signalomformende enhet beregnet til aa inngaa 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 SE7901841L (sv) 1980-09-02
SE420639B true 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 (de)
AT (1) ATA901680A (de)
CH (1) CH646230A5 (de)
DE (1) DE3034326C2 (de)
DK (1) DK150278B (de)
GB (1) GB2065331A (de)
NL (1) NL8020072A (de)
NO (1) NO803279L (de)
SE (1) SE420639B (de)
WO (1) WO1980001826A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102528A3 (de) * 1982-08-16 1984-05-09 The Perkin-Elmer Corporation Spannung in Druckwandler
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
WO1980001826A1 (en) 1980-09-04
CH646230A5 (de) 1984-11-15
DK462080A (da) 1980-10-31
NO803279L (no) 1980-10-31
DE3034326C2 (de) 1983-11-17
EP0024409A1 (de) 1981-03-11
DE3034326T1 (de) 1981-04-09
ATA901680A (de) 1986-05-15
GB2065331A (en) 1981-06-24
SE7901841L (sv) 1980-09-02
DK150278B (da) 1987-01-26
NL8020072A (nl) 1981-04-29

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