DE1911816A1 - Magnet-Druckanzeiger - Google Patents

Magnet-Druckanzeiger

Info

Publication number
DE1911816A1
DE1911816A1 DE19691911816 DE1911816A DE1911816A1 DE 1911816 A1 DE1911816 A1 DE 1911816A1 DE 19691911816 DE19691911816 DE 19691911816 DE 1911816 A DE1911816 A DE 1911816A DE 1911816 A1 DE1911816 A1 DE 1911816A1
Authority
DE
Germany
Prior art keywords
button
pressure
chamber
partition
movable
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
DE19691911816
Other languages
German (de)
English (en)
Inventor
Smith Richard Grant
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.)
Unifrax I LLC
Original Assignee
Carborundum Co
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 to US503918A priority Critical patent/US3448716A/en
Priority to GB1168469A priority patent/GB1239322A/en
Application filed by Carborundum Co filed Critical Carborundum Co
Priority to DE19691911816 priority patent/DE1911816A1/de
Publication of DE1911816A1 publication Critical patent/DE1911816A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Fluid Pressure (AREA)
  • Push-Button Switches (AREA)
DE19691911816 1965-10-23 1969-03-08 Magnet-Druckanzeiger Pending DE1911816A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US503918A US3448716A (en) 1965-10-23 1965-10-23 Magnetic pressure indicator
GB1168469A GB1239322A (enExample) 1965-10-23 1969-03-05
DE19691911816 DE1911816A1 (de) 1965-10-23 1969-03-08 Magnet-Druckanzeiger

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50391865A 1965-10-23 1965-10-23
GB1168469 1969-03-05
DE19691911816 DE1911816A1 (de) 1965-10-23 1969-03-08 Magnet-Druckanzeiger

Publications (1)

Publication Number Publication Date
DE1911816A1 true DE1911816A1 (de) 1970-09-24

Family

ID=27181826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691911816 Pending DE1911816A1 (de) 1965-10-23 1969-03-08 Magnet-Druckanzeiger

Country Status (3)

Country Link
US (1) US3448716A (enExample)
DE (1) DE1911816A1 (enExample)
GB (1) GB1239322A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595200A (en) * 1968-06-03 1971-07-27 Carborundum Co Differential pressure indicator
US3568625A (en) * 1968-11-05 1971-03-09 Fairfield Facility Commercial Differential pressure indicator
US3591003A (en) * 1970-02-11 1971-07-06 Pall Corp Differential pressure-responsive signalling device and a filter assembly having same
US4729339A (en) * 1986-04-21 1988-03-08 Facet Enterprises, Inc. Pressure differential indicator with non-mechanical thermal lockout
GB2255826B (en) * 1991-05-13 1994-08-24 Pall Corp Indicators
US9821256B2 (en) * 2014-05-07 2017-11-21 Dv Industries, Llc Elastically deformable component providing indication of proper fluid filter installation and related methods
DE102014017548A1 (de) * 2014-11-28 2016-06-02 Samson Ag Druckanzeigeeinrichtung

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332150A (enExample) * 1963-12-16
US2669707A (en) * 1950-04-29 1954-02-16 Bowser Inc Filter signal
US2878936A (en) * 1957-04-05 1959-03-24 Purolator Products Inc Filter unit
US2935040A (en) * 1957-12-09 1960-05-03 Bendix Aviat Corp Visible filter clogging indicator
US2954751A (en) * 1958-05-09 1960-10-04 Bendix Corp Visible filter clogging 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
US3080972A (en) * 1958-07-28 1963-03-12 Permanent Filter Corp Filtering component
US3045826A (en) * 1958-07-28 1962-07-24 Permanent Filter Corp Filter device
US3119367A (en) * 1958-10-15 1964-01-28 Bendix Corp Visible filter clogging indicator
US2948151A (en) * 1958-12-12 1960-08-09 Astl Jaromir Differential pressure gauge
US3070232A (en) * 1959-10-01 1962-12-25 Purolator Products Inc Filter unit with signal device
US3011470A (en) * 1960-03-18 1961-12-05 Thompson Ramo Wooldridge Inc Pressure change indicator
US3117550A (en) * 1961-03-20 1964-01-14 Bendix Corp Temperature sensitive differential pressure responsive device
US3077176A (en) * 1961-04-06 1963-02-12 Pall Corp Magnetic pressure-responsive devices
US3128743A (en) * 1961-05-26 1964-04-14 Bendix Corp Differential pressure responsive device
US3154049A (en) * 1962-02-19 1964-10-27 Screen Products Inc Magnetic pressure indicator
US3232266A (en) * 1963-07-08 1966-02-01 Altair Inc Differential pressure indicator
US3187711A (en) * 1963-12-19 1965-06-08 Pall Corp Magnetic pressure indicator
US3212471A (en) * 1964-04-03 1965-10-19 Purolator Products Inc Differential pressure indicator

Also Published As

Publication number Publication date
US3448716A (en) 1969-06-10
GB1239322A (enExample) 1971-07-14

Similar Documents

Publication Publication Date Title
DE2633669C3 (de) Vorrichtung zur automatischen Entriegelung des Deckels eines Behälters für Sicherheitsausrüstung, insbesondere für ein Notbeatmungsgerät an Bord eines Flugzeuges
DE2228683C2 (de) Beschleunigungs- und verzögerungsabhängige, elektrische Schaltvorrichtung zum Einbau in Fahrzeuge
DE19907732B4 (de) Hydraulisches Magnetventil
DE1962069C2 (de) Mehrwegeventil mit einem elektromagnetisch in seinen Arbeitsstellungen gehaltenen Längsschieber
DE2014087B2 (de) Verwendung einer kupplung zwischen einem ventilverschlusstueck und einem ventilantriebselement
DE2225289C3 (de) Prüfeinrichtung für eine schwimmergesteuerte FüllstandsmeDvorrichtung
DE1906309B2 (de) Gleitringdichtung
DE1911816A1 (de) Magnet-Druckanzeiger
DE2304317C3 (de) Magnetisches Druckanzeigegerät
DE1941598A1 (de) Druckschalter
DE7510027U (de) Differenzdruck-anzeigevorrichtung
DE3141705A1 (de) "betaetigungsmagnet fuer ein hydraulikventil"
DE68923391T2 (de) Druckanzeiger.
DE3317226A1 (de) Betaetigungsmagnet
DE69601506T2 (de) Betrugsverhinderndes schaltorgan für gaszähler und gaszähler damit
DE10030659A1 (de) Schaltbares Solenoidventil zur Verwendung in einem Bremssystem mit Antiblockier-Betriebsart
EP0359999A1 (de) Wassermischventil
DE2138092C3 (de) Ventil für eine Vakuumvorrichtung
DE2305124A1 (de) Elektromagnetisch betaetigbares mehrwegeventil
DE2228864A1 (de) Vorrichtung zur Anzeige des Verschmutzungsgrades eines Gas- oder Flüssigkeitsfilters
DE2734853C2 (de) Filter zur Reinigung von Flüssigkeiten
DE2040046A1 (de) Elektrisches Schaltgeraet,insbesondere Schaltschuetz,mit einer Verklinkungsvorrichtung fuer das bewegliche Schaltstueck
DE2509917A1 (de) Elektromagnet
DE2747934A1 (de) Elektromagnetisch betaetigte zahnkupplung
DE8114825U1 (de) "vorrichtung zur anzeige eines druckunterschiedes zwischen zwei druckmittel aufweisenden stellen, insbesondere vor und nach einem filter"