NL8020072A - Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem. - Google Patents

Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem. Download PDF

Info

Publication number
NL8020072A
NL8020072A NL8020072A NL8020072A NL8020072A NL 8020072 A NL8020072 A NL 8020072A NL 8020072 A NL8020072 A NL 8020072A NL 8020072 A NL8020072 A NL 8020072A NL 8020072 A NL8020072 A NL 8020072A
Authority
NL
Netherlands
Prior art keywords
signal
pneumatic
pressure
control signal
piezoelectric element
Prior art date
Application number
NL8020072A
Other languages
English (en)
Dutch (nl)
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
Publication of NL8020072A publication Critical patent/NL8020072A/nl

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)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
NL8020072A 1979-03-01 1980-02-29 Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem. NL8020072A (nl)

Applications Claiming Priority (2)

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
SE7901841 1979-03-01

Publications (1)

Publication Number Publication Date
NL8020072A true NL8020072A (nl) 1981-04-29

Family

ID=20337424

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8020072A NL8020072A (nl) 1979-03-01 1980-02-29 Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem.

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)

* Cited by examiner, † Cited by third party
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
USRE33028E (en) * 1983-07-12 1989-08-22 Dresser Industries, Inc. Electropneumatic transducer system
US4527583A (en) * 1983-07-12 1985-07-09 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
SE7901841L (sv) 1980-09-02
EP0024409A1 (en) 1981-03-11
DK462080A (da) 1980-10-31
ATA901680A (de) 1986-05-15
DE3034326C2 (de) 1983-11-17
DE3034326T1 (de) 1981-04-09
GB2065331A (en) 1981-06-24
NO803279L (no) 1980-10-31
SE420639B (sv) 1981-10-19
WO1980001826A1 (en) 1980-09-04
CH646230A5 (de) 1984-11-15
DK150278B (da) 1987-01-26

Similar Documents

Publication Publication Date Title
NL8020072A (nl) Signaalomzeteenheid bestemd om te worden ingebouwd in een pneumatisch besturingssysteem.
US4481967A (en) Control circuit for current to pressure converter
US4164865A (en) Acoustical wave flowmeter
KR100314182B1 (ko) 가스질량유량측정시스템
KR100326479B1 (ko) 차동전류열질량유동변환기
KR20030010704A (ko) 질량 유동 계측 시스템 및 방법
US5053692A (en) Temperature dependent power supply for use with a bridge transducer
US7284424B2 (en) Thermal air flow rate measuring apparatus and its flowmeter and internal combustion engine and thermal air flow rate measuring method using it
CA2165616C (en) Method of linearizing a flow velocity sensor and a linearized flow velocity measurement apparatus
US4729244A (en) Flow rate measuring apparatus
US6520009B2 (en) Air flow rate measuring apparatus
US4719409A (en) Digital signal output capacitance sensor displacement gauging system
US5767419A (en) Hall effect fluid flow switch and flow meter
US2949775A (en) Signal transducer
RU2773623C1 (ru) Струйно-пневматический пропорционально-интегральный (пи) регулятор
RU2788576C1 (ru) Струйно-фотокомпенсационный полупостоянно работающий пропорционально-интегрально-дифференциальный (ПИД) регулятор
RU2768107C1 (ru) Струйно-пневматический пропорционально-интегрально-дифференциальный (пид) регулятор
CA1105605A (en) Acoustical wave flowmeter
RU2781762C1 (ru) Струйно-фотокомпенсационный пропорционально-интегрально-дифференциальный (ПИД) регулятор
SU1425620A1 (ru) Система регулировани давлени газа
SU252643A1 (ru) Дифманометр пневматический компенсационный
SU723526A1 (ru) Устройство дл регулировани расхода
KR970009161B1 (ko) 열선유속계
SU794612A1 (ru) Двухканальный релейный регул тор
SU447588A1 (ru) Устройство дл измерени давлени

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: NAF CONTROLS AB

BV The patent application has lapsed