FR1551623A - - Google Patents

Info

Publication number
FR1551623A
FR1551623A FR136567A FR1551623DA FR1551623A FR 1551623 A FR1551623 A FR 1551623A FR 136567 A FR136567 A FR 136567A FR 1551623D A FR1551623D A FR 1551623DA FR 1551623 A FR1551623 A FR 1551623A
Authority
FR
France
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.)
Expired
Application number
FR136567A
Other languages
French (fr)
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 US399250A external-priority patent/US3364897A/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1551623A publication Critical patent/FR1551623A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
    • 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
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
FR136567A 1964-09-25 1968-01-18 Expired FR1551623A (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US399250A US3364897A (en) 1964-09-25 1964-09-25 Differential fluid pressure indicator
GB0553/68A GB1207866A (en) 1964-09-25 1968-01-11 Differential fluid pressure indicator
FR136567 1968-01-18
DEP0043852 1968-01-19

Publications (1)

Publication Number Publication Date
FR1551623A true FR1551623A (sv) 1968-12-27

Family

ID=27437334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR136567A Expired FR1551623A (sv) 1964-09-25 1968-01-18

Country Status (4)

Country Link
BE (1) BE709627A (sv)
DE (1) DE1648661B1 (sv)
FR (1) FR1551623A (sv)
GB (1) GB1207866A (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325032A1 (fr) * 1975-06-18 1977-04-15 Facet Enterprises Dispositif pour signaler une difference de pressions excessive entre une entree et une sortie en milieu liquide ou gazeux
FR2499716A1 (fr) * 1981-02-09 1982-08-13 Facet Enterprises Dispositif indicateur de pression differentielle a compensation thermique
EP0511880A2 (en) * 1991-05-01 1992-11-04 Pall Corporation Pressure devices

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3302175A1 (de) * 1983-01-24 1984-07-26 Pfister Gmbh, 8900 Augsburg Verfahren und vorrichtung zum messen eines druckes, insbesondere einer fluessigkeit
AT387093B (de) * 1983-08-16 1988-11-25 Enfo Grundlagen Forschungs Ag Vorrichtung zum anzeigen von druecken oder druckdifferenzen
CN109719799B (zh) * 2017-10-30 2022-04-26 南京泉峰科技有限公司 一种链锯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619002A (en) * 1946-08-28 1949-03-02 Nat Pressure Cooking Company Improvement in pressure gauges for use on pressure vessels
US2850900A (en) * 1957-08-20 1958-09-09 Bastian Blessing Co Pressure indicator
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
US3154049A (en) * 1962-02-19 1964-10-27 Screen Products Inc Magnetic pressure indicator
DE1940319C3 (de) * 1969-08-07 1974-01-31 Teijin Ltd., Osaka (Japan) Verfahren zur Gewinnung der Naphthalin-2,6-dicarbonsäure aus dem ein Dialkalisalz der Naphthalin-2,6dicarbonsäure enthaltenden Produkt der thermischen Umlagerung oder Disproportionierung von Alkalisalzen geeigneter Naphthalincarbonsäuren

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325032A1 (fr) * 1975-06-18 1977-04-15 Facet Enterprises Dispositif pour signaler une difference de pressions excessive entre une entree et une sortie en milieu liquide ou gazeux
FR2499716A1 (fr) * 1981-02-09 1982-08-13 Facet Enterprises Dispositif indicateur de pression differentielle a compensation thermique
EP0511880A2 (en) * 1991-05-01 1992-11-04 Pall Corporation Pressure devices
EP0511880A3 (en) * 1991-05-01 1993-05-12 Pall Corporation Pressure devices
US5331856A (en) * 1991-05-01 1994-07-26 Pall Corporation Pressure devices

Also Published As

Publication number Publication date
BE709627A (sv) 1968-05-30
GB1207866A (en) 1970-10-07
DE1648661B1 (de) 1971-10-07

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