FR2454132A1 - Dispositif limitateur de pression pour un circuit pneumatique d'instruments - Google Patents

Dispositif limitateur de pression pour un circuit pneumatique d'instruments

Info

Publication number
FR2454132A1
FR2454132A1 FR8006584A FR8006584A FR2454132A1 FR 2454132 A1 FR2454132 A1 FR 2454132A1 FR 8006584 A FR8006584 A FR 8006584A FR 8006584 A FR8006584 A FR 8006584A FR 2454132 A1 FR2454132 A1 FR 2454132A1
Authority
FR
France
Prior art keywords
instruments
pressure limiting
limiting device
control arm
pneumatic circuit
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.)
Granted
Application number
FR8006584A
Other languages
English (en)
Other versions
FR2454132B1 (fr
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.)
BETA BV
Original Assignee
BETA BV
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 BETA BV filed Critical BETA BV
Publication of FR2454132A1 publication Critical patent/FR2454132A1/fr
Application granted granted Critical
Publication of FR2454132B1 publication Critical patent/FR2454132B1/fr
Granted 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
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

LA PRESENTE INVENTION A POUR OBJET UN DISPOSITIF LIMITEUR DE PRESSION POUR CIRCUIT PNEUMATIQUE D'INSTRUMENTS. ELLE EST CARACTERISEE EN CE QUE CE DISPOSITIF COMPREND UN BRAS DE COMMANDE 13 QUI PEUT PIVOTER PAR UNE EXTREMITE AUTOUR D'UN AXE FIXE SOLIDAIRE DU CORPS DU DISPOSITIF ET QUI EST AGENCE POUR ACTIONNER PAR SON AUTRE EXTREMITE UN MICROCONTACTEUR 22 ASSURANT LA FERMETURE D'UNE VALVE DU CIRCUIT, LA PRESSION D'AIR ETANT DETECTEE A L'AIDE D'UN ELEMENT MOBILE 10 QUI ENTRE EN CONTACT AVEC LE BRAS DE COMMANDE 13 ENTRE L'AXE DE PIVOTEMENT ET LE MICROCONTACTEUR 22, CE BRAS DE COMMANDE ETANT SOUMIS A UNE POUSSEE ELASTIQUE EN VUE DE COMPENSER LA FORCE DU RESSORT DU MICROCONTACTEUR ET LA PLAGE DE PRESSIONS D'AIR ETANT REGLABLE PAR L'INTERMEDIAIRE DE DISQUES 26, 27 SERVANT DE BUTEES DE LIMITATION DU MOUVEMENT DU BRAS 13. ELLE SE RAPPORTE AUX SYSTEMES DE COMMANDE PNEUMATIQUE.
FR8006584A 1979-04-11 1980-03-25 Dispositif limitateur de pression pour un circuit pneumatique d'instruments Granted FR2454132A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7902857A NL7902857A (nl) 1979-04-11 1979-04-11 Drukbegrenzingsschakelaar voor een instrumentenlucht- net.

Publications (2)

Publication Number Publication Date
FR2454132A1 true FR2454132A1 (fr) 1980-11-07
FR2454132B1 FR2454132B1 (fr) 1984-06-22

Family

ID=19832968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006584A Granted FR2454132A1 (fr) 1979-04-11 1980-03-25 Dispositif limitateur de pression pour un circuit pneumatique d'instruments

Country Status (6)

Country Link
US (1) US4311892A (fr)
DE (1) DE3011558A1 (fr)
FR (1) FR2454132A1 (fr)
GB (1) GB2046998B (fr)
IT (1) IT1141412B (fr)
NL (1) NL7902857A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1231692B (it) * 1989-05-25 1991-12-19 Lai Salvatore Dispositivo pneumatico per rilevare in modo continuo il livello idrometrico di una colonna d'acqua, e comandare automaticamente l'avviamento e l'arresto di una elettropompa, nelle posizioni di massimo e minimo livello programmati

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318300A (en) * 1941-12-26 1943-05-04 Bliss E W Co Mechanism for operating switches
US2475069A (en) * 1945-11-09 1949-07-05 Delos R Wood Warning device for refrigerators
GB775756A (en) * 1953-04-27 1957-05-29 Mercier Jean Improvements in or relating to fluid pressure control systems
CH471418A (de) * 1968-07-22 1969-04-15 Trafag Ag Thermostat
DE2300332A1 (de) * 1973-01-04 1974-07-18 Centra Buerkle Kg Albert Schaltvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE228761C (fr) *
US2440034A (en) * 1945-03-03 1948-04-20 Irvin E Wiegers Regulating device
US2453861A (en) * 1946-08-27 1948-11-16 Penn Electric Switch Co Adjusting means for control devices
US2950421A (en) * 1956-10-09 1960-08-23 Langstroth Hall Pressure sensing device
DE1540180B2 (de) * 1965-08-10 1971-04-22 Druckabhaengiger elektrischer schalter
US4054763A (en) * 1976-04-23 1977-10-18 Furnas Electric Company Pressure switch and gauge
DE2746627C2 (de) * 1977-10-17 1979-10-25 Danfoss A/S, Nordborg (Daenemark) Druckabhängig betätigter elektrischer Schalter, insbesondere Verdampferthermostat für Kühlschränke

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318300A (en) * 1941-12-26 1943-05-04 Bliss E W Co Mechanism for operating switches
US2475069A (en) * 1945-11-09 1949-07-05 Delos R Wood Warning device for refrigerators
GB775756A (en) * 1953-04-27 1957-05-29 Mercier Jean Improvements in or relating to fluid pressure control systems
CH471418A (de) * 1968-07-22 1969-04-15 Trafag Ag Thermostat
DE2300332A1 (de) * 1973-01-04 1974-07-18 Centra Buerkle Kg Albert Schaltvorrichtung

Also Published As

Publication number Publication date
IT1141412B (it) 1986-10-01
IT8021307A0 (it) 1980-04-10
NL7902857A (nl) 1980-10-14
US4311892A (en) 1982-01-19
DE3011558C2 (fr) 1989-06-08
DE3011558A1 (de) 1980-10-30
GB2046998B (en) 1983-10-19
FR2454132B1 (fr) 1984-06-22
GB2046998A (en) 1980-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse