DE1648661B1 - Druckdifferenzanzeigevorrichtung - Google Patents

Druckdifferenzanzeigevorrichtung

Info

Publication number
DE1648661B1
DE1648661B1 DE19681648661D DE1648661DA DE1648661B1 DE 1648661 B1 DE1648661 B1 DE 1648661B1 DE 19681648661 D DE19681648661 D DE 19681648661D DE 1648661D A DE1648661D A DE 1648661DA DE 1648661 B1 DE1648661 B1 DE 1648661B1
Authority
DE
Germany
Prior art keywords
partition
magnet
piston
cylinder bore
designed
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.)
Pending
Application number
DE19681648661D
Other languages
German (de)
English (en)
Inventor
Mouwen Herman C
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.)
Purolator Inc
Original Assignee
Purolator Inc
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 by Purolator Inc filed Critical Purolator Inc
Publication of DE1648661B1 publication Critical patent/DE1648661B1/de
Pending 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)
DE19681648661D 1964-09-25 1968-01-19 Druckdifferenzanzeigevorrichtung Pending DE1648661B1 (de)

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
DE1648661B1 true DE1648661B1 (de) 1971-10-07

Family

ID=27437334

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681648661D Pending DE1648661B1 (de) 1964-09-25 1968-01-19 Druckdifferenzanzeigevorrichtung

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974795A (en) * 1975-06-18 1976-08-17 Facet Enterprises, Inc. Filter Products Division Differential pressure indicating device
US4426952A (en) * 1981-02-09 1984-01-24 Facet Enterprises, Inc. Temperature compensated differential pressure indicating device
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
GB2255445B (en) * 1991-05-01 1994-11-30 Pall Corp Pressure devices
CN109719799B (zh) * 2017-10-30 2022-04-26 南京泉峰科技有限公司 一种链锯

Citations (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
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
US3154049A (en) * 1962-02-19 1964-10-27 Screen Products Inc Magnetic pressure indicator
DE1940319A1 (de) * 1969-08-07 1972-02-10 Teijin Ltd Verfahren zur Herstellung von Naphthalin-2,6-dicarbonsaeure

Patent Citations (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
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
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
DE1940319A1 (de) * 1969-08-07 1972-02-10 Teijin Ltd Verfahren zur Herstellung von Naphthalin-2,6-dicarbonsaeure

Also Published As

Publication number Publication date
BE709627A (enrdf_load_stackoverflow) 1968-05-30
GB1207866A (en) 1970-10-07
FR1551623A (enrdf_load_stackoverflow) 1968-12-27

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