IL42818A - Magnetic pressure indicator - Google Patents

Magnetic pressure indicator

Info

Publication number
IL42818A
IL42818A IL42818A IL4281873A IL42818A IL 42818 A IL42818 A IL 42818A IL 42818 A IL42818 A IL 42818A IL 4281873 A IL4281873 A IL 4281873A IL 42818 A IL42818 A IL 42818A
Authority
IL
Israel
Prior art keywords
magnetic
pressure indicator
indicator according
rotatable
magnetic means
Prior art date
Application number
IL42818A
Other languages
English (en)
Other versions
IL42818A0 (en
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of IL42818A0 publication Critical patent/IL42818A0/xx
Publication of IL42818A publication Critical patent/IL42818A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering 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
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143Filter condition indicators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0073Switches 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
IL42818A 1972-07-27 1973-07-25 Magnetic pressure indicator IL42818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00275854A US3815542A (en) 1972-07-27 1972-07-27 Magnetic pressure indicator

Publications (2)

Publication Number Publication Date
IL42818A0 IL42818A0 (en) 1973-10-25
IL42818A true IL42818A (en) 1976-07-30

Family

ID=23054089

Family Applications (1)

Application Number Title Priority Date Filing Date
IL42818A IL42818A (en) 1972-07-27 1973-07-25 Magnetic pressure indicator

Country Status (18)

Country Link
US (1) US3815542A (enExample)
JP (1) JPS5331754B2 (enExample)
AT (1) AT342892B (enExample)
AU (1) AU472376B2 (enExample)
BE (1) BE802864A (enExample)
CA (1) CA993278A (enExample)
CH (1) CH568557A5 (enExample)
DE (1) DE2337179C3 (enExample)
DK (1) DK145766C (enExample)
FI (1) FI60077C (enExample)
FR (1) FR2194964B1 (enExample)
GB (1) GB1443956A (enExample)
IL (1) IL42818A (enExample)
IT (1) IT989980B (enExample)
NL (1) NL168938C (enExample)
NO (1) NO139936C (enExample)
SE (1) SE393456B (enExample)
ZA (1) ZA735020B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139466A (en) * 1977-09-08 1979-02-13 Rosaen Nils O Differential fluid pressure indicating device
US4172971A (en) * 1978-10-30 1979-10-30 Pall Corporation Magnetic pressure indicator with thermal lockout
US4216672A (en) * 1979-01-29 1980-08-12 General Electric Company Apparatus for detecting and indicating the occurrence of a gas turbine engine compressor stall
US4362121A (en) 1979-08-15 1982-12-07 Dunlop Limited Pressure indicator for pneumatic tires
US4272368A (en) * 1979-09-04 1981-06-09 Parker-Hannifin Corporation Fluid filter and indicator
DE3202571A1 (de) * 1982-01-27 1983-08-11 Hans Günther 4330 Oberhausen Brinckmann Vorrichtung zum ueberwachen des druckes und/oder der geschwindigkeit von fluessigen oder gasfoermige medien in leitungssytemen, insbesondere des druckes in schmiermittelleitungen
AT387093B (de) * 1983-08-16 1988-11-25 Enfo Grundlagen Forschungs Ag Vorrichtung zum anzeigen von druecken oder druckdifferenzen
US4651670A (en) * 1985-09-27 1987-03-24 Pall Corporation Pressure indicating device
AT392158B (de) * 1986-09-09 1991-02-11 Voest Alpine Ag Einrichtung zum ueberwachen des zustandes von hydraulik-, schmier- oder kuehlfluessigkeiten
GB2207507A (en) * 1987-07-24 1989-02-01 Pall Europ Differential pressure sensor
US5279251A (en) * 1992-12-16 1994-01-18 Tdw Delaware, Inc. Bidirectional pipeline pig signaling device
DE29500362U1 (de) * 1995-01-11 1995-02-23 ELB-Füllstandsgeräte Bundschuh GmbH + Co, 64625 Bensheim Bistabile Schalteranordnung
GB2297161B (en) * 1995-01-23 1998-09-23 Pall Corp Differential pressure indicators
GB2297620B (en) * 1995-02-06 1998-10-07 Pall Corp Filter assemblies comprising differential pressure indicators
US5702592A (en) * 1995-10-20 1997-12-30 Western Filter Corporation Filter monitoring device which monitors differential pressure and temperature
US7649433B2 (en) * 2006-12-04 2010-01-19 Abb Technology Ag Circuit breaker with magnetically-coupled trip indicator
BRPI0900683A2 (pt) * 2009-03-17 2010-12-14 Aselco Indestria Com Imp Acco E Exportacco De Instr Ltda dispositivo de detecÇço e de sinalizaÇço de passagem de pig ou esfera e conjunto de detecÇço e sinalizaÇço de passagem de pig ou esfera
CA2904421C (en) 2013-03-15 2022-06-14 Brian M. Wiseman Directional differential pressure detector
WO2015179516A1 (en) 2014-05-20 2015-11-26 Wiseman Brian M Directional differential pressure detector
WO2018098339A1 (en) 2016-11-23 2018-05-31 Wiseman Brian M Directional differential pressure detector
AU2020284116A1 (en) * 2019-05-30 2022-01-06 AirFlow Direction, Inc. Directional differential pressure detector
US11423918B2 (en) 2019-05-30 2022-08-23 AirFlow Direction, Inc. Directional differential pressure detector
US11415594B2 (en) 2019-05-30 2022-08-16 AirFlow Direction, Inc. Directional differential pressure detector for indicating potential or actual directional air flow
US11460481B2 (en) * 2019-05-30 2022-10-04 AirFlow Directions, Inc. Directional differential pressure detector having a differential pressure set point indicator
WO2021081255A1 (en) 2019-10-22 2021-04-29 AirFlow Direction, Inc. Directional differential pressure detector
CA3256505A1 (en) 2022-04-21 2023-10-26 Airflow Direction Inc INTERCHANGEABLE DIRECTIONAL DIFFERENTIAL PRESSURE DETECTOR

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574866A (en) * 1947-02-25 1951-11-13 Henry W Fahrlander Magnetic flow gauge
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
GB891246A (en) * 1958-06-17 1962-03-14 Pall Corp Magnetic pressure indicator
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
US3077176A (en) * 1961-04-06 1963-02-12 Pall Corp Magnetic pressure-responsive devices
US3154049A (en) * 1962-02-19 1964-10-27 Screen Products Inc Magnetic pressure indicator
US3212471A (en) * 1964-04-03 1965-10-19 Purolator Products Inc Differential pressure indicator
US3429291A (en) * 1965-02-16 1969-02-25 Leslie J Hoffman Differential-pressure responsive indicator
BE755259A (fr) * 1969-11-17 1971-02-01 Honeywell Inc Voyant a deux positions pour panneau indicateur

Also Published As

Publication number Publication date
FR2194964B1 (enExample) 1976-09-17
AT342892B (de) 1978-04-25
DK145766B (da) 1983-02-21
NL168938B (nl) 1981-12-16
AU472376B2 (en) 1976-05-20
BE802864A (fr) 1974-01-28
NO139936B (no) 1979-02-26
GB1443956A (en) 1976-07-28
NL7310473A (enExample) 1974-01-29
CA993278A (en) 1976-07-20
IT989980B (it) 1975-06-10
ATA658173A (de) 1977-08-15
DE2337179B2 (de) 1977-10-13
DE2337179A1 (de) 1974-02-07
CH568557A5 (enExample) 1975-10-31
DK145766C (da) 1983-08-08
SE393456B (sv) 1977-05-09
ZA735020B (en) 1974-06-26
NL168938C (nl) 1982-05-17
DE2337179C3 (de) 1978-05-24
FR2194964A1 (enExample) 1974-03-01
IL42818A0 (en) 1973-10-25
FI60077C (fi) 1981-11-10
US3815542A (en) 1974-06-11
NO139936C (no) 1979-06-06
AU5838173A (en) 1975-01-23
JPS49133074A (enExample) 1974-12-20
FI60077B (fi) 1981-07-31
JPS5331754B2 (enExample) 1978-09-04

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