FR2536170A1 - Pressostat a diaphragme pour le controle de petits gradients de pression - Google Patents

Pressostat a diaphragme pour le controle de petits gradients de pression Download PDF

Info

Publication number
FR2536170A1
FR2536170A1 FR8318303A FR8318303A FR2536170A1 FR 2536170 A1 FR2536170 A1 FR 2536170A1 FR 8318303 A FR8318303 A FR 8318303A FR 8318303 A FR8318303 A FR 8318303A FR 2536170 A1 FR2536170 A1 FR 2536170A1
Authority
FR
France
Prior art keywords
diaphragm
pressure switch
small
pressure
working
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Withdrawn
Application number
FR8318303A
Other languages
English (en)
French (fr)
Inventor
Cesare Gallone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Signal Lux SpA
Original Assignee
Signal Lux SpA
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
Priority claimed from IT24290/82A external-priority patent/IT1153051B/it
Priority claimed from ITMI1983U21996U external-priority patent/IT8321996U1/it
Application filed by Signal Lux SpA filed Critical Signal Lux SpA
Publication of FR2536170A1 publication Critical patent/FR2536170A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
FR8318303A 1982-11-17 1983-11-17 Pressostat a diaphragme pour le controle de petits gradients de pression Withdrawn FR2536170A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT24290/82A IT1153051B (it) 1982-11-17 1982-11-17 Pressostato a membrana per il controllo di piccoli gradienti di pressione
ITMI1983U21996U IT8321996U1 (it) 1983-05-30 1983-05-30 Struttura di pressostato a membrana per il controllo di piccoli gradienti di pressione

Publications (1)

Publication Number Publication Date
FR2536170A1 true FR2536170A1 (fr) 1984-05-18

Family

ID=26328060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8318303A Withdrawn FR2536170A1 (fr) 1982-11-17 1983-11-17 Pressostat a diaphragme pour le controle de petits gradients de pression

Country Status (4)

Country Link
US (1) US4532390A (enExample)
DE (1) DE3341353A1 (enExample)
FR (1) FR2536170A1 (enExample)
GB (1) GB2132415A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431651A1 (de) * 1984-08-29 1986-03-13 Gerhard 7262 Althengstett Kurz Alarmeinrichtung zur anzeige eines auf eine druckaenderung zurueckgehenden zustands
DE3436493A1 (de) * 1984-10-05 1986-04-10 Dieter 3502 Vellmar Coesfeld Druckmessvorrichtung zur kontinuierlichen ueberwachung des luftdruckes in fahrzeugreifen
US5122628A (en) * 1990-05-25 1992-06-16 Fike Corporation Sudden pressure rise detector
DE19944678A1 (de) * 1999-09-17 2001-04-12 Gerhard Kurz Drucksensor
GB2361102B (en) * 2000-04-07 2003-07-16 Raymond Wells A pressure-actuated switch
EP1288988A1 (en) * 2001-08-30 2003-03-05 Raymond Wells A pressure-actuated switch
US8286661B2 (en) * 2009-05-26 2012-10-16 Honeywell International Inc. Bi-directional overpressure shut-off valve
IT1399666B1 (it) * 2010-03-30 2013-04-26 Bticino Spa Apparecchio per il controllo e/o la distribuzione di energia elettrica comprendente un dispositivo protettivo antipolvere
CN108626104B (zh) * 2018-06-22 2024-04-30 佛山科学技术学院 一种防抽空装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1195626A (fr) * 1957-05-06 1959-11-18 British Oxygen Co Ltd Commutateur sensible à la pression des fluides
US3005067A (en) * 1959-03-30 1961-10-17 Holley Carburetor Co Differential pressure switch
FR2247801A1 (enExample) * 1973-10-10 1975-05-09 Europe Mfg Trust
EP0016519A1 (en) * 1979-02-21 1980-10-01 The Echlin Manufacturing Company Pressure actuated switch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840340A (en) * 1927-12-22 1932-01-12 Kelsey Hayes Wheel Corp Stoplight switch
US2039717A (en) * 1931-05-11 1936-05-05 Trico Products Corp Horn system
GB543989A (en) * 1939-11-01 1942-03-23 Bendix Westinghouse Automotive Improvement in brake mechanism
GB676659A (en) * 1949-01-26 1952-07-30 Trico Products Corp Improvements in pneumatic systems for the operation of motor vehicle accessories
GB790623A (en) * 1954-02-03 1958-02-12 Power Jets Res & Dev Ltd Improvements in or relating to control devices for fluid pressure systems
US2813945A (en) * 1956-01-24 1957-11-19 Weatherhead Co Pressure sensitive switch
GB859636A (en) * 1958-04-21 1961-01-25 Appleby & Ireland Ltd Improvements in or relating to fluid-pressure-operated instruments
US3106623A (en) * 1961-12-15 1963-10-08 Vapor Corp Snap action differential actuator
GB1087961A (en) * 1963-04-05 1967-10-18 Tecalemit Engineering Improvements in or relating to fluid pressure-operated electrical switches and fluid valves
FR1390306A (fr) * 1964-01-09 1965-02-26 Seignol Contacteur électrique perfectionné
US3407277A (en) * 1965-10-22 1968-10-22 Controls Co Of America Pressure switch
US4104495A (en) * 1973-10-10 1978-08-01 Eaton Corporation Pressure switch and actuating means responsive to low pressure
US4081636A (en) * 1976-03-03 1978-03-28 Johnson Controls, Inc. Differential pressure cutout switch
US4095566A (en) * 1977-05-27 1978-06-20 Borg-Warner Corporation Vacuum timing system
US4335283A (en) * 1979-12-05 1982-06-15 Eaton Corporation Temperature compensated fill valve/pressure switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1195626A (fr) * 1957-05-06 1959-11-18 British Oxygen Co Ltd Commutateur sensible à la pression des fluides
US3005067A (en) * 1959-03-30 1961-10-17 Holley Carburetor Co Differential pressure switch
FR2247801A1 (enExample) * 1973-10-10 1975-05-09 Europe Mfg Trust
EP0016519A1 (en) * 1979-02-21 1980-10-01 The Echlin Manufacturing Company Pressure actuated switch

Also Published As

Publication number Publication date
US4532390A (en) 1985-07-30
DE3341353C2 (enExample) 1987-12-10
GB2132415A (en) 1984-07-04
GB8330454D0 (en) 1983-12-21
DE3341353A1 (de) 1984-05-17

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